tsop38238 IR Receiver Sensor
VISHAY TSOP38238. IR RECEIVER
The TSOP38238 is a 38kHz IR Receiver Module for remote control systems. This article will cover TSOP38238 Pinout, TSOP38238 equivalent, TSOP38238 datasheet, and other aspects.

Make a Simple Remote Tester By TSOP38238 IR Receiver - IR Remote Tester
tsop38238 Description
For remote control systems, the TSOP38238 is a 38 kHz IR Receiver Module. On a lead frame, a PIN diode and a preamplifier are built, and an IR filter is contained in epoxy packaging. For decoding, the demodulated output signal can be connected directly to a CPU. It has been optimized to block practically all spurious pulses from energy-saving bulbs such as CFLs.
tsop38238 Features
• Very low supply current
• Photo detector and preamplifier in one package
• Internal filter for PCM frequency
• Supply voltage: 2.5 V to 5.5 V
• Improved immunity against ambient light
• Insensitive to supply voltage ripple and noise
Specifications
- TypeParameter
- Factory Lead Time12 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.
Surface Mount - 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.
Radial - Number of Pins3
- 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.
-25°C~85°C TA - 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.
Bulk - Published2011
- Tolerance
In electronic components, "tolerance" refers to the acceptable deviation or variation from the specified or ideal value of a particular parameter, such as resistance, capacitance, or voltage. It indicates the range within which the actual value of the component can fluctuate while still being considered acceptable for use in a circuit. Tolerance is typically expressed as a percentage or a specific value and is important for ensuring the accuracy and reliability of electronic devices. Components with tighter tolerances are more precise but may also be more expensive. It is crucial to consider tolerance when selecting components to ensure proper functionality and performance of the circuit.
0.003% - 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.
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) - Resistance
Resistance is a fundamental property of electronic components that measures their opposition to the flow of electric current. It is denoted by the symbol "R" and is measured in ohms (Ω). Resistance is caused by the collisions of electrons with atoms in a material, which generates heat and reduces the flow of current. Components with higher resistance will impede the flow of current more than those with lower resistance. Resistance plays a crucial role in determining the behavior and functionality of electronic circuits, such as limiting current flow, voltage division, and controlling power dissipation.
40Ohm - Voltage - Supply
Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.
2.5V~5.5V - Orientation
In electronic components, the parameter "Orientation" refers to the specific alignment or positioning of the component with respect to its intended installation or operation. This parameter is crucial for ensuring proper functionality and performance of the component within a circuit or system. Orientation may include factors such as the physical orientation of the component on a circuit board, the direction of current flow through the component, or the alignment of specific features or terminals for correct connection. Manufacturers often provide orientation guidelines in datasheets or technical specifications to help users correctly install and use the component. Paying attention to the orientation of electronic components is essential to prevent errors, ensure reliability, and optimize the overall performance of electronic devices.
Side View - Frequency
In electronic components, the parameter "Frequency" refers to the rate at which a signal oscillates or cycles within a given period of time. It is typically measured in Hertz (Hz) and represents how many times a signal completes a full cycle in one second. Frequency is a crucial aspect in electronic components as it determines the behavior and performance of various devices such as oscillators, filters, and communication systems. Understanding the frequency characteristics of components is essential for designing and analyzing electronic circuits to ensure proper functionality and compatibility with other components in a system.
24MHz - ESR (Equivalent Series Resistance)
Equivalent Series Resistance (ESR) is a parameter that describes the internal resistance of a capacitor or an inductor in an electronic circuit. It represents the total resistance that is present in series with the ideal capacitance or inductance of the component. ESR is typically caused by factors such as the resistance of the conductive materials used in the component, the connections within the component, and the dielectric material used. A lower ESR value is desirable in electronic components as it indicates better performance and efficiency, especially in applications where high-frequency signals or rapid changes in voltage are involved. ESR is an important parameter to consider when selecting components for applications such as power supplies, filtering circuits, and signal processing.
40Ohm - Operating Supply Current
Operating Supply Current, also known as supply current or quiescent current, is a crucial parameter in electronic components that indicates the amount of current required for the device to operate under normal conditions. It represents the current drawn by the component from the power supply while it is functioning. This parameter is important for determining the power consumption of the component and is typically specified in datasheets to help designers calculate the overall power requirements of their circuits. Understanding the operating supply current is essential for ensuring proper functionality and efficiency of electronic systems.
450μA - Load Capacitance
the amount of capacitance measured or computed across the crystal terminals on the PCB. Frequency Tolerance. Frequency tolerance refers to the allowable deviation from nominal, in parts per million (PPM), at a specific temperature, usually +25°C.
18pF - Nominal Supply Current
Nominal current is the same as the rated current. It is the current drawn by the motor while delivering rated mechanical output at its shaft.
450μA - Power Dissipation
the process by which an electronic or electrical device produces heat (energy loss or waste) as an undesirable derivative of its primary action.
10mW - Output Current
The rated output current is the maximum load current that a power supply can provide at a specified ambient temperature. A power supply can never provide more current that it's rated output current unless there is a fault, such as short circuit at the load.
5mA - Viewing Angle
the angle at which a display can be viewed with acceptable visual performance.
90 ° - Frequency Tolerance
the maximum allowable deviation from the nominal crystal frequency at a specified temperature, usually 25℃. The recommended frequency tolerance of the crystal over the manufacturing process is ±50 ppm.
0.003% - Sensing Distance
It is the sensing range for which the sensor can stably detect the standard sensing object even if there is an ambient temperature drift and/or supply voltage fluctuation. (Normally, it is 70 to 80 % of the maximum operation distance.)
45m - B.P.F. Center Frequency
B.P.F. Center Frequency stands for Bandpass Filter Center Frequency. It refers to the specific frequency at which a bandpass filter allows signals to pass through with minimal attenuation. In electronic components, bandpass filters are used to selectively filter out unwanted frequencies and allow only a specific range of frequencies to pass through. The center frequency is the midpoint of this range and is a crucial parameter in determining the filter's performance and functionality. Adjusting the center frequency allows for customization and optimization of the filter for different applications and signal processing requirements.
38.0kHz - Height1.0414mm
- Length5.0038mm
- Width3.2004mm
- 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
tsop38238 CAD Models
Symbol
Footprint
3D Models
tsop38238 Pinout and Configurations
Pin Name | Description |
VCC | The Vcc pin powers the module, typically with +5V |
GND | Power Supply Ground |
OUT | Output Pin |
tsop38238 Applications
• Security
• Light detecting portion of remote control
• AV instruments such as Audio, TV, VCR, CD, MD, etc.
• Home appliances such as Air-conditioner, Fan, etc.
• Multi-media Equipment
How to use tsop38238?
The application circuit diagram for the TSOP38238 IR Receiver module is given below. The Resistor R1 and Capacitor C1 are used to reduce the supply ripples. TSOP38238 consists of a PIN diode, a preamplifier, and an IR filter.
The receiver diode detects all frequencies of IR light, but the filter only lets through IR at 38 kHz. Then the preamplifier modulates the signal and converts it to an electrical signal before sending it to a microcontroller.
Where to use tsop38238?
Engineers and hobbyists alike use the TSOP382 tiny IR Receiver diode because of its low power consumption and simple-to-use packaging. The TSOP382 is compatible with all popular IR remote control data formats, allowing it to be utilized with a wide range of IR remote controls. It may be utilized with both 3.3V and 5V power supplies because the working voltage ranges from 2.5V to 5.5V.
In terms of size, the TSOP38238 is comparable to a standard plastic-packaged transistor and is suited for all types of infrared remote control and transmission. So, if you're seeking a low-power IR Receiver diode, the TSOP38238 might be the one for you.
tsop38238 Manufacturer
Vishay Intertechnology produces discrete semiconductors in a variety of shapes and sizes. Switching, amplifying, rectifying, or transmitting electrical signals are examples of single-function devices. Vishay Intertechnology also produces chosen integrated circuits (ICs) that combine the functionalities of many components on a single chip, as well as modules that contain multiple components in one package. MOSFETs (low-voltage, medium-voltage, and high-voltage), ICs (both power and analog), a large range of diodes and rectifiers, and a variety of optoelectronic items are all part of Vishay Intertechnology's semiconductors line. In power rectifiers, low-voltage power MOSFETs, and infrared components. the company is a market and technology leader.
tsop38238 Equivalent
TSOP38236 | VISHAY TSOP38236 Infrared Receiver, Remote Control, 36kHz, 45m, 45°, 5.5V, 2.5V, -25℃ |
TSOP38438 | VISHAY TSOP38438 Infrared Receiver, Remote Control, 38kHz, 45m, 45°, 5.5V, 2.5V, -25℃ |
TSOP38436 | VISHAY TSOP38436 Infrared Receiver, 36kHz, 45m, 45°, 5.5V, 2.5V, -25℃ |
TSOP38336 | VISHAY TSOP38336 Infrared Receiver, Remote Control, 36kHz, 45m, 45°, 5.5V, 2.5V, -25℃ |
tsop38238 Package
Trend Analysis
Datasheet PDF
- PCN Design/Specification :
- Datasheets :
- RohsStatement :
Parts with Similar Specs
- ImagePart NumberManufacturerPackage / CaseNumber of PinsMountSensing DistanceViewing AngleB.P.F. Center FrequencyMoisture Sensitivity Level (MSL)Operating TemperatureView Compare
TSOP38238
Radial
3
Surface Mount
45m
90 °
38.0kHz
1 (Unlimited)
-25°C ~ 85°C (TA)
What is IR receiver diode?
The receiver diode detects all IR light frequencies, but the filter only allows 38 kHz IR to get through. The signal is then modulated and converted to an electrical signal by the preamplifier before being sent to the microcontroller.
What is the output of IR receiver?
IR detectors are digital out, which means they either detect a 38KHz IR signal and output low (0V) or don't detect any and output high (5V). Photocells function similarly to resistors, with resistance varying based on the amount of light they are exposed to.
Can IR sensor detect water?
Sensors that detect infrared light. Because the beam emitted by the sensors must be interrupted by a non-transparent edge, which is not the case with water, infrared sensors are not typically employed for surface water detection.
What is the difference between ultrasonic sensor and infrared sensor?
Sound waves (echolocation) are used by ultrasonic sensors to determine how far away you are from an object. IR sensors, on the other hand, employ infrared light to detect the presence of an object.
How do IR receivers work?
Ultrasonic sensors use sound waves (echolocation) to measure how far away you are from an object. On the other hand, IR sensors use Infrared light to determine whether or not an object is present.
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