BTA41600B Triacs: Circuits, Pinout, and Datasheet [Video&FAQ]
TRIAC 600V 40A TOP3
The BTA41600B is a 40 A standard Triacs. Available in high-power packages, the BTA/BTB40-41 series is suitable for general purpose AC switching. The BTA series provides an insulated tab (rated at 2500 V rms). This article mainly introduces circuits, pinout, datasheet and other detailed information about STMicroelectronics BTA41600B.

How to make Dimmer using BTA41 600B | BTA41 circuit | BTA 41 Power Controller | TRAIC Dimmer project
BTA41600B Description
The BTA41600B is a 40 A standard Triacs. Available in high-power packages, the BTA/BTB40-41 series is suitable for general-purpose AC switching. The BTA series provides an insulated tab (rated at 2500 V RMS ).
• BT indicates the series number.
• "A" represents that the device is insulated, while B would mean non-insulated. The insulation is provided on the Tab of the device up to 2500 volts.
• 41 = 4 and "one" zero, that equals 40 Amps.
• 600 is the voltage handling capacity, therefore here it's 600 volts.
• B represents the triggering sensitivity that's 50mA in this case.
• Absolute Maximum Rating (at around 25 to 40 degrees Celsius).
• RMS, continuous current handling capacity = 40 Amps.
• Non-repetitive peak current = 400 Amp, only for max 20ms.
BTA41600B Pinout
BTA41600B CAD Model
The following figures are the Symbol, Footprint and 3D Model of BTA41600B.

Symbol

Footprint

3D Model
BTA41600B Features
• High current TRIAC
• Low thermal resistance with clip bonding
• High commutation capability
• BTA series UL1557 certified (File ref: 81734)
• Packages are RoHS (2002/95/EC) compliant
Specifications
- TypeParameter
- Lifecycle Status
Lifecycle Status refers to the current stage of an electronic component in its product life cycle, indicating whether it is active, obsolete, or transitioning between these states. An active status means the component is in production and available for purchase. An obsolete status indicates that the component is no longer being manufactured or supported, and manufacturers typically provide a limited time frame for support. Understanding the lifecycle status is crucial for design engineers to ensure continuity and reliability in their projects.
ACTIVE (Last Updated: 7 months ago) - Factory Lead Time5 Weeks
- Contact Plating
Contact plating (finish) provides corrosion protection for base metals and optimizes the mechanical and electrical properties of the contact interfaces.
Tin - Mount
In electronic components, the term "Mount" typically refers to the method or process of physically attaching or fixing a component onto a circuit board or other electronic device. This can involve soldering, adhesive bonding, or other techniques to secure the component in place. The mounting process is crucial for ensuring proper electrical connections and mechanical stability within the electronic system. Different components may have specific mounting requirements based on their size, shape, and function, and manufacturers provide guidelines for proper mounting procedures to ensure optimal performance and reliability of the electronic device.
Through Hole - Mounting Type
The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.
Through Hole - Package / Case
refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.
TOP-3 Insulated - Number of Pins3
- Weight4.535924g
- Number of Elements1
- Operating Temperature
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.
-40°C~125°C TJ - Packaging
Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.
Tube - JESD-609 Code
The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.
e3 - Part Status
Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.
Active - Moisture Sensitivity Level (MSL)
Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures
1 (Unlimited) - Number of Terminations3
- ECCN Code
An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.
EAR99 - Voltage - Rated DC
Voltage - Rated DC is a parameter that specifies the maximum direct current (DC) voltage that an electronic component can safely handle without being damaged. This rating is crucial for ensuring the proper functioning and longevity of the component in a circuit. Exceeding the rated DC voltage can lead to overheating, breakdown, or even permanent damage to the component. It is important to carefully consider this parameter when designing or selecting components for a circuit to prevent any potential issues related to voltage overload.
600V - Current Rating
Current rating is the maximum current that a fuse will carry for an indefinite period without too much deterioration of the fuse element.
40A - Base Part Number
The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.
BTA41 - Pin Count
a count of all of the component leads (or pins)
3 - Configuration
The parameter "Configuration" in electronic components refers to the specific arrangement or setup of the components within a circuit or system. It encompasses how individual elements are interconnected and their physical layout. Configuration can affect the functionality, performance, and efficiency of the electronic system, and may influence factors such as signal flow, impedance, and power distribution. Understanding the configuration is essential for design, troubleshooting, and optimizing electronic devices.
Single - Case Connection
Case Connection refers to the method by which an electronic component's case or housing is connected to the electrical circuit. This connection is important for grounding purposes, mechanical stability, and heat dissipation. The case connection can vary depending on the type of component and its intended application. It is crucial to ensure a secure and reliable case connection to maintain the overall performance and safety of the electronic device.
ISOLATED - Max Repetitive Reverse Voltage (Vrrm)
The Max Repetitive Reverse Voltage (Vrrm) is a crucial parameter in electronic components, particularly in diodes and transistors. It refers to the maximum voltage that can be applied across the component in the reverse direction without causing damage. This parameter is important for ensuring the proper functioning and longevity of the component in circuits where reverse voltage may be present. Exceeding the Vrrm rating can lead to breakdown and failure of the component, so it is essential to carefully consider this specification when designing or selecting components for a circuit.
600V - RMS Current (Irms)
RMS Current (Irms) refers to the Root Mean Square value of the alternating current flowing through an electronic component or circuit. It is a measure of the effective current that produces the same heating effect as the equivalent DC current. In AC circuits, the current continuously changes direction, so using the RMS value helps in calculating power dissipation and determining the component's capability to handle the current without overheating. RMS Current is crucial in selecting components like resistors, capacitors, and inductors to ensure they can safely operate within their specified current ratings.
40A - Hold Current
the minimum current which must pass through a circuit in order for it to remain in the 'ON' state.
80mA - Trigger Device Type
Trigger Device Type is a parameter in electronic components that refers to the type of device or mechanism used to initiate a specific action or function within the component. This parameter specifies the specific trigger device, such as a sensor, switch, or signal input, that is required to activate or control the operation of the component. Understanding the trigger device type is crucial for proper integration and operation of the electronic component within a larger system or circuit. By specifying the appropriate trigger device type, engineers and designers can ensure that the component functions correctly and responds to the intended input signals or conditions.
4 QUADRANT LOGIC LEVEL TRIAC - Voltage - Gate Trigger (Vgt) (Max)
Voltage - Gate Trigger (Vgt) (Max) refers to the maximum voltage level required to trigger the gate of a semiconductor device, such as a thyristor or triac, into the conductive state. When the gate receives this voltage, it initiates the device's conduction, allowing current to flow between its anode and cathode. Exceeding this voltage can lead to unwanted behavior or damage to the component, making it a critical parameter in designing circuits that utilize these devices. Understanding Vgt is essential for ensuring proper operation and reliability in electronic applications.
1.3V - Current - Non Rep. Surge 50, 60Hz (Itsm)
The parameter "Current - Non Rep. Surge 50, 60Hz (Itsm)" in electronic components refers to the maximum non-repetitive surge current that a component can withstand without damage during a single surge event at frequencies of 50Hz or 60Hz. This parameter is important for assessing the robustness and reliability of the component in handling sudden spikes or surges in current that may occur in the electrical system. It helps in determining the level of protection needed for the component to ensure its longevity and proper functioning in various operating conditions. Manufacturers provide this specification to guide engineers and designers in selecting the appropriate components for their applications based on the expected surge current levels.
400A 420A - Current - Gate Trigger (Igt) (Max)
Current - Gate Trigger (Igt) (Max) refers to the maximum gate trigger current required to activate a semiconductor device, such as a thyristor or triac. It is the minimum current that must flow into the gate terminal to ensure that the device turns on and conducts current between its anode and cathode. Exceeding this value can lead to unnecessary power consumption, while insufficient current may prevent the device from turning on effectively. This parameter is crucial for circuit design, as it influences the selection of gate driving circuits.
50mA - Current - Hold (Ih) (Max)
The parameter "Current - Hold (Ih) (Max)" in electronic components refers to the maximum current required to maintain the component in a latched or on-state after it has been triggered. This parameter is commonly associated with relays, switches, and other devices that have a latching function. It is important because it determines the minimum current that must be supplied to keep the component in its activated state, ensuring reliable operation. Exceeding the maximum Ih value can lead to the component failing to hold its state, potentially causing malfunctions or disruptions in the circuit.
80mA - Leakage Current (Max)
Leakage Current (Max) is a parameter that specifies the maximum amount of current that can flow through an electronic component when it is in an off state. It represents the amount of current that leaks through the component due to imperfections in its insulation or semiconductor materials. Excessive leakage current can lead to power loss, reduced efficiency, and potential reliability issues in electronic circuits. Manufacturers provide this specification to help designers ensure that the leakage current does not exceed acceptable limits for the intended application. It is typically measured in microamps (μA) or nanoamps (nA) and is an important consideration in low-power and high-precision electronic designs.
5mA - Critical Rate of Rise of Off-State Voltage-Min
The parameter "Critical Rate of Rise of Off-State Voltage-Min" in electronic components refers to the minimum rate at which the off-state voltage of a device must rise in order to trigger a critical event, such as a breakdown or failure. This parameter is crucial for ensuring the reliable operation of the component under various conditions. It helps determine the maximum allowable rate of voltage increase that the component can withstand without experiencing detrimental effects. Manufacturers specify this parameter to guide engineers and designers in selecting and using the component within its safe operating limits to prevent damage or malfunction. Understanding and adhering to this parameter is essential for maintaining the performance and longevity of electronic devices.
500V/us - Triac Type
Triac Type refers to the classification of triacs based on their electrical characteristics and applications. Triacs are semiconductor devices that can control current flow in both directions and are commonly used in AC power control. Different types of triacs may have variations in parameters such as voltage rating, current rating, triggering method, and switching speed, making them suitable for specific applications like light dimmers, motor speed controls, and heating regulation. Understanding the triac type is crucial for selecting the appropriate component for a given circuit design.
Standard - Height12.85mm
- Length15.5mm
- Width4.6mm
- REACH SVHC
The parameter "REACH SVHC" in electronic components refers to the compliance with the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation regarding Substances of Very High Concern (SVHC). SVHCs are substances that may have serious effects on human health or the environment, and their use is regulated under REACH to ensure their safe handling and minimize their impact.Manufacturers of electronic components need to declare if their products contain any SVHCs above a certain threshold concentration and provide information on the safe use of these substances. This information allows customers to make informed decisions about the potential risks associated with using the components and take appropriate measures to mitigate any hazards.Ensuring compliance with REACH SVHC requirements is essential for electronics manufacturers to meet regulatory standards, protect human health and the environment, and maintain transparency in their supply chain. It also demonstrates a commitment to sustainability and responsible manufacturing practices in the electronics industry.
No SVHC - Radiation Hardening
Radiation hardening is the process of making electronic components and circuits resistant to damage or malfunction caused by high levels of ionizing radiation, especially for environments in outer space (especially beyond the low Earth orbit), around nuclear reactors and particle accelerators, or during nuclear accidents or nuclear warfare.
No - RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
ROHS3 Compliant - Lead Free
Lead Free is a term used to describe electronic components that do not contain lead as part of their composition. Lead is a toxic material that can have harmful effects on human health and the environment, so the electronics industry has been moving towards lead-free components to reduce these risks. Lead-free components are typically made using alternative materials such as silver, copper, and tin. Manufacturers must comply with regulations such as the Restriction of Hazardous Substances (RoHS) directive to ensure that their products are lead-free and environmentally friendly.
Lead Free
How to use BTA41600B Triacs
The method of using BTA41600B is shown as follows.

The pinouts are connected in the same way as other triacs are. Let's go over them one more:
A1 should be linked to the ground at all times. The ground doesn't have to be the neutral of the AC; it might be any of the two main input wires. The other wire will be connected to one of the load terminals, while the load's second wire will be connected to the triac's A2.
Because the triac will conduct with every rising positive edge of the DC trigger, the gate should be linked to the appropriate trigger input, which must be a DC. The minimal triggering gate current is 50 mA in this case.
If an external triggering circuit is used, A1 should be connected to one of the AC terminals as well as the DC trigger circuit's ground.
BTA41600B Application Circuits
The triac BTA41600B is ideally suited for controlling AC loads such as heater coils, high-power halogen lamps, AC motor pumps, or simply motors used in dryers, blowers, and other appliances.
The circuit below shows how the device can be used to control heater coils in furnaces, induction cookers, and other appliances.

Application Circuit
The above circuit can also be used for controlling AC motor speeds simply by replacing the heater coil with the motor wires.
The adjoining diagram depicts another application of BTA41/600 where it has been configured as a PWM assisted AC motor controller or even heater coils.

Application Circuit
BTA41600B Alternatives
| Part Number | Description | Manufacturer |
| DTN8ETRIGGER DEVICES | TRIAC,400V V(DRM),8A I(T)RMS,TO-220AB | onsemi |
| CQ202-4BS-2TRIGGER DEVICES | TRIAC, 200V V(DRM), 4A I(T)RMS, TO-202-2, 3 PIN | Central Semiconductor Corp |
| MAC4NTRIGGER DEVICES | TRIAC,800V V(DRM),4A I(T)RMS,TO-220AB | Freescale Semiconductor |
| BTA212-800ETRIGGER DEVICES | TRIAC, 800V V(DRM), 12A I(T)RMS, | Philips Semiconductors |
| BCR8CM-12LTRIGGER DEVICES | TRIAC, 600V V(DRM), 8A I(T)RMS, TO-220AB, TO-220, 3 PIN | Mitsubishi Electric |
| BTB08-700TWTRIGGER DEVICES | 700V, 8A, 4 QUADRANT LOGIC LEVEL TRIAC, TO-220AB, PLASTIC, TO-220AB, 3 PIN | STMicroelectronics |
| T0610SHTRIGGER DEVICES | 700V, 6A, 4 QUADRANT LOGIC LEVEL TRIAC | STMicroelectronics |
| CQ39DTTRIGGER DEVICES | 4 Quadrant Logic Level TRIAC, 400V V(DRM), 4A I(T)RMS, TO-39, | Central Semiconductor Corp |
| T0512DHTRIGGER DEVICES | TRIAC, 400V V(DRM), 5A I(T)RMS | Tag Semiconductors Ltd |
| DTC8C-NTRIGGER DEVICES | TRIAC, 200V V(DRM), 8A I(T)RMS, TO-220AB, TO-220, 3 PIN | SANYO Electric Co Ltd |
BTA41600B Applications
• On/off function in static relays, heating regulation, induction motor starting circuits
• Phase control operations in light dimmers, motor speed controllers, and similar
BTA41600B Package
BTA41600B Manufacturer
STMicroelectronics, headquartered in Plan-les-Ouates, Switzerland, near Geneva, is a multinational electronics and semiconductors firm. The company was created in 1987 by the merger of two government-owned semiconductor companies: "Thomson Semiconductors" in France and "SGS Microelettronica" in Italy. It is known as "ST" and is the most profitable semiconductor chip producer in Europe. While the corporate headquarters and EMEA regional offices of STMicroelectronics are in Geneva, the holding company, STMicroelectronics N.V., is based in the Netherlands.
The company's US headquarters are located in Coppell, Texas. The headquarters for the Asia-Pacific region is in Singapore, while Japan and Korea's activities are in Tokyo. The company's China regional headquarters are based in Shanghai.
Trend Analysis
Datasheet PDF
- Datasheets :
How to use BTA41600B electronic components?
The BTA41600B electronic component is a three-terminal two-way control system. BTA41600B This series of originals are used in static relays, heating regulators, water heaters, induction motor starting circuits, welding and other equipment and other applications. They are most widely used for switching functions, and can also be used for phase control operations in high-power motor speed control and soft start. BTA41600B electronic component parameters: forward average current: 41 (A) control pole trigger voltage: 600 (V) package form: TOP3 temperature range: min -40 C max 125 C suitable for general AC switching operations.
What is the difference between BTA41700B SCR and 600B?
The only difference between BTA41700B SCR and 600B is the withstand voltage. The maximum withstand voltage of BTA41700B is 700V, and the maximum withstand voltage of BTA41600B is 600V.
Can TG35C60 be replaced by BTA41600B?
Parameters can be substituted, but the packaging of the two thyristors is quite different, and welding and heat dissipation need special treatment.
What is the BTA41600B?
40 A standard Triacs.
What type of packages are the BTA41600B available in?
High-power packages.
How much insulation is provided on the Tab of the device?
2500 volts.
How many Amps does the BTA41600B have?
41.
What is the voltage handling capacity of the BTA41600B?
600 volts.
What is the triggering sensitivity of the BTA41600B?
50mA.
What is the Absolute Maximum Rating?
25 to 40 degrees Celsius.
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