BA159 Fast Diode: Datasheet, Equivalent and Pinout
Standard Diode Rectifier Fast Recovery =< 500ns, > 200mA (Io) 1.3V @ 40V -65°C~125°C 2-Termination Tape & Box (TB) DO-204AL, DO-41, Axial Through Hole









Standard Diode Rectifier Fast Recovery =< 500ns, > 200mA (Io) 1.3V @ 40V -65°C~125°C 2-Termination Tape & Box (TB) DO-204AL, DO-41, Axial Through Hole
BA159 is a 1 Amp fast recovery rectifier featuring 400~1000 Volts. This article mainly covers pinout, datasheet, features, equivalent, and other details about the BA159 diode. Furthermore, there is a huge range of semiconductors, capacitors, resistors, and Ics in stock. Welcome RFQ!
What is BA159 diode?
The BA159 is a Fast Diode with a molded plastic casing that may be installed anywhere. Axial leads are solderable. The cathode end polarity is indicated by the color band. The surge current capability is high for maximum efficiency, swap quickly.
BA159 Pinout

BA159 Pinout
BA159 CAD Model
Symbol

BA159 Symbol
Footprint

BA159 Footprint
3D Model

BA159 3D Model
BA159 Features
Diff used Junction
Low Forward Voltage Drop
High Current Capability
High Reliability
High Surge Current Capability
Specifications
- TypeParameter
- 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.
DO-204AL, DO-41, Axial - Surface Mount
having leads that are designed to be soldered on the side of a circuit board that the body of the component is mounted on.
NO - Diode Element Material
The parameter "Diode Element Material" refers to the specific semiconductor material used in the construction of a diode. This material determines the electrical characteristics and performance of the diode, including its forward voltage drop, reverse breakdown voltage, and switching speed. Common diode element materials include silicon, germanium, and gallium arsenide, each offering different advantages for various applications. The choice of material impacts the diode's efficiency, thermal stability, and overall suitability for specific electronic circuits.
SILICON - Number of Elements1
- 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.
Tape & Box (TB) - 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 - Pbfree Code
The "Pbfree Code" parameter in electronic components refers to the code or marking used to indicate that the component is lead-free. Lead (Pb) is a toxic substance that has been widely used in electronic components for many years, but due to environmental concerns, there has been a shift towards lead-free alternatives. The Pbfree Code helps manufacturers and users easily identify components that do not contain lead, ensuring compliance with regulations and promoting environmentally friendly practices. It is important to pay attention to the Pbfree Code when selecting electronic components to ensure they meet the necessary requirements for lead-free applications.
yes - Part Status
Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.
Obsolete - 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 Terminations2
- 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 - Terminal Finish
Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.
Matte Tin (Sn) - HTS Code
HTS (Harmonized Tariff Schedule) codes are product classification codes between 8-1 digits. The first six digits are an HS code, and the countries of import assign the subsequent digits to provide additional classification. U.S. HTS codes are 1 digits and are administered by the U.S. International Trade Commission.
8541.10.00.80 - Terminal Form
Occurring at or forming the end of a series, succession, or the like; closing; concluding.
WIRE - Peak Reflow Temperature (Cel)
Peak Reflow Temperature (Cel) is a parameter that specifies the maximum temperature at which an electronic component can be exposed during the reflow soldering process. Reflow soldering is a common method used to attach electronic components to a circuit board. The Peak Reflow Temperature is crucial because it ensures that the component is not damaged or degraded during the soldering process. Exceeding the specified Peak Reflow Temperature can lead to issues such as component failure, reduced performance, or even permanent damage to the component. It is important for manufacturers and assemblers to adhere to the recommended Peak Reflow Temperature to ensure the reliability and functionality of the electronic components.
NOT SPECIFIED - Reach Compliance Code
Reach Compliance Code refers to a designation indicating that electronic components meet the requirements set by the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation in the European Union. It signifies that the manufacturer has assessed and managed the chemical substances within the components to ensure safety and environmental protection. This code is vital for compliance with regulations aimed at minimizing risks associated with hazardous substances in electronic products.
not_compliant - Time@Peak Reflow Temperature-Max (s)
Time@Peak Reflow Temperature-Max (s) refers to the maximum duration that an electronic component can be exposed to the peak reflow temperature during the soldering process, which is crucial for ensuring reliable solder joint formation without damaging the component.
NOT SPECIFIED - Pin Count
a count of all of the component leads (or pins)
2 - JESD-30 Code
JESD-30 Code refers to a standardized descriptive designation system established by JEDEC for semiconductor-device packages. This system provides a systematic method for generating designators that convey essential information about the package's physical characteristics, such as size and shape, which aids in component identification and selection. By using JESD-30 codes, manufacturers and engineers can ensure consistency and clarity in the specification of semiconductor packages across various applications and industries.
O-PALF-W2 - Qualification Status
An indicator of formal certification of qualifications.
Not Qualified - 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 - Speed
In electronic components, "Speed" typically refers to the rate at which data can be processed or transferred within the component. It is a measure of how quickly the component can perform its functions, such as executing instructions or transmitting signals. Speed is often specified in terms of frequency, such as clock speed in processors or data transfer rate in memory modules. Higher speed components can perform tasks more quickly, leading to improved overall performance in electronic devices. It is an important parameter to consider when designing or selecting electronic components for specific applications.
Fast Recovery =< 500ns, > 200mA (Io) - Diode Type
In electronic components, the parameter "Diode Type" refers to the specific type or configuration of a diode, which is a semiconductor device that allows current to flow in one direction only. There are various types of diodes, each designed for specific applications and functions. Common diode types include rectifier diodes, zener diodes, light-emitting diodes (LEDs), and Schottky diodes, among others. The diode type determines the diode's characteristics, such as forward voltage drop, reverse breakdown voltage, and maximum current rating, making it crucial for selecting the right diode for a particular circuit or application. Understanding the diode type is essential for ensuring proper functionality and performance in electronic circuits.
Standard - Voltage - Forward (Vf) (Max) @ If
The parameter "Voltage - Forward (Vf) (Max) @ If" refers to the maximum voltage drop across a diode when it is forward-biased and conducting a specified forward current (If). It indicates the maximum potential difference the diode can withstand while allowing current to flow in the forward direction without breaking down. This value is crucial for designing circuits as it helps determine how much voltage will be lost across the diode during operation. Higher Vf values can lead to reduced efficiency in power applications, making this parameter essential for optimizing circuit performance.
1.3V @ 40V - 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 - Operating Temperature - Junction
Operating Temperature - Junction refers to the maximum temperature at which the junction of an electronic component can safely operate without causing damage or performance degradation. This parameter is crucial for determining the reliability and longevity of the component, as excessive heat can lead to thermal stress and failure. Manufacturers specify the operating temperature range to ensure that the component functions within safe limits under normal operating conditions. It is important for designers and engineers to consider the operating temperature - junction when selecting and using electronic components to prevent overheating and ensure optimal performance.
-65°C~125°C - Output Current-Max
Output Current-Max is a parameter in electronic components that specifies the maximum amount of current that can be safely drawn from the output of the component without causing damage. It is an important specification to consider when designing circuits to ensure that the component can handle the required current without overheating or failing. Exceeding the maximum output current can lead to performance issues, component damage, or even complete failure of the circuit. It is crucial to adhere to the specified maximum output current to ensure the reliable operation of the electronic component and the overall circuit.
1A - Voltage - DC Reverse (Vr) (Max)
Voltage - DC Reverse (Vr) (Max) is a parameter in electronic components that specifies the maximum reverse voltage that the component can withstand without breaking down. This parameter is crucial for components like diodes and transistors that are often subjected to reverse voltage during operation. Exceeding the maximum reverse voltage can lead to the component failing or getting damaged. Designers need to consider this parameter when selecting components to ensure the reliability and longevity of their circuits.
1000V - Current - Average Rectified (Io)
The parameter "Current - Average Rectified (Io)" in electronic components refers to the average value of the rectified current flowing through the component. This parameter is important in determining the average power dissipation and thermal considerations of the component. It is typically specified in datasheets for diodes, rectifiers, and other components that handle alternating current (AC) and convert it to direct current (DC). Understanding the average rectified current helps in selecting the appropriate component for a given application to ensure reliable operation and prevent overheating.
1A - Reverse Recovery Time
Reverse Recovery Time is a key parameter in semiconductor devices, particularly diodes and transistors. It refers to the time taken for a diode or transistor to switch from conducting in the forward direction to blocking in the reverse direction when the polarity of the voltage across the device is reversed. This parameter is crucial in applications where fast switching speeds are required, as a shorter reverse recovery time allows for quicker response times and improved efficiency. Reverse Recovery Time is typically specified in datasheets for electronic components and is an important consideration in circuit design to ensure optimal performance and reliability.
250ns - Rep Pk Reverse Voltage-Max
Rep Pk Reverse Voltage-Max refers to the maximum reverse voltage that an electronic component, such as a diode, can withstand during a specified period of time without failing. This parameter is crucial in determining the safe operating limits of components in circuits where reverse voltage conditions may occur. Exceeding this value can lead to breakdown or permanent damage to the component. It is typically expressed in volts and is a key specification in signal and power applications.
1000V - Capacitance @ Vr, F
Capacitance @ Vr, F refers to the capacitance value of a capacitor measured at a specified rated voltage (Vr). It indicates how much electrical charge the capacitor can store per volt when subjected to this voltage. This parameter is essential for understanding the behavior of capacitors in circuits, particularly under different voltage conditions, and ensures that the component operates within its safe limits. The unit of measurement is Farads (F), which quantifies the capacitor's ability to hold an electrical charge.
15pF @ 4V 1MHz - RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
RoHS Compliant
BA159 Mechanical Data
Case: DO-41, Molded Plastic
Terminals: Plated Leads Solderable per MIL -STD-202, Method 208
Polarity: Cathode Band
Weight: 0.35 grams
BA159 Applications
Aerospace
Defense
Military
BA159 Test Circuit

BA159 Test Circuit
BA159 Equivalents
BA157, BA158, BA159D, PR1007G, STTH108, STTH110RL, CMF05, BYT11-1000, BYT11-800, MR817, MR818, SRP100K, RGP104
BA159 vs. 1N4007
| 1N4007 | BA159 | |
| Rohs Code | No | No |
| Part Life Cycle Code | Active | Obsolete |
| Part Package Code | DO-41 | |
| Package Description | PLASTIC PACKAGE-2 | O-PALF-W2 |
| Pin Count | 2 | |
| Reach Compliance Code | unknown | compliant |
| ECCN Code | EAR99 | |
| HTS Code | 8541.10.00.80 | |
| Additional Feature | HIGH RELIABILITY | HIGH RELIABILITY |
| Case Connection | ISOLATED | ISOLATED |
| Configuration | SINGLE | SINGLE |
| Diode Element Material | SILICON | SILICON |
| Diode Type | RECTIFIER DIODE | RECTIFIER DIODE |
| Forward Voltage-Max (VF) | 1 V | |
| JEDEC-95 Code | DO-41 | DO-41 |
| JESD-30 Code | O-PALF-W2 | O-PALF-W2 |
| JESD-609 Code | e0 | |
| Non-rep Pk Forward Current-Max | 30 A | |
| Number of Elements | 1 | 1 |
| Number of Terminals | 2 | 2 |
| Operating Temperature-Max | 150 °C | |
| Operating Temperature-Min | -65 °C | |
| Output Current-Max | 1 A | 1 A |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | ROUND | ROUND |
| Package Style | LONG FORM | LONG FORM |
| Rep Pk Reverse Voltage-Max | 1000 V | 1000 V |
| Surface Mount | NO | NO |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Form | WIRE | WIRE |
| Terminal Position | AXIAL | AXIAL |
| Base Number Matches | 1 | 46 |
| Moisture Sensitivity Level | 1 | |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | |
| Qualification Status | Not Qualified | |
| Reverse Recovery Time-Max | 0.5 µs | |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
BA159 Dimensions

BA159 Dimensions
BA159 Manufacturer
Founded in 1991, Micro Commercial Components Corp. (MCC) is a manufacturer of high-quality discrete semiconductors to the consumer markets. It provides diodes, rectifiers, transistors, MOSFETs, voltage regulators, and protection devices.
Datasheet PDF
- PCN Obsolescence/ EOL :
- Datasheets :
What is BA159 used for?
BA159 is a fast switching silicon rectifier diode that finds usage in fast switching rectification of power supply, inverters, converters, and freewheeling diodes for consumer and telecommunication products.
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