STMicroelectronics BD438 PNP Transistor, -4 A, -45 V, 3-Pin SOT-32
- RS Stock No.:
- 109-078
- Mfr. Part No.:
- BD438
- Brand:
- STMicroelectronics
Currently unavailable
We don't know if this item will be back in stock, RS intend to remove it from our range soon.
- RS Stock No.:
- 109-078
- Mfr. Part No.:
- BD438
- Brand:
- STMicroelectronics
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | STMicroelectronics | |
| Transistor Type | PNP | |
| Maximum DC Collector Current | -4 A | |
| Maximum Collector Emitter Voltage | -45 V | |
| Package Type | SOT-32 | |
| Mounting Type | Through Hole | |
| Maximum Power Dissipation | 36 W | |
| Transistor Configuration | Single | |
| Maximum Collector Base Voltage | 45 V | |
| Maximum Emitter Base Voltage | 5 V | |
| Maximum Operating Frequency | 3 MHz | |
| Pin Count | 3 | |
| Number of Elements per Chip | 1 | |
| Dimensions | 10.8 x 7.8 x 2.7mm | |
| Maximum Operating Temperature | +150 °C | |
| Select all | ||
|---|---|---|
Brand STMicroelectronics | ||
Transistor Type PNP | ||
Maximum DC Collector Current -4 A | ||
Maximum Collector Emitter Voltage -45 V | ||
Package Type SOT-32 | ||
Mounting Type Through Hole | ||
Maximum Power Dissipation 36 W | ||
Transistor Configuration Single | ||
Maximum Collector Base Voltage 45 V | ||
Maximum Emitter Base Voltage 5 V | ||
Maximum Operating Frequency 3 MHz | ||
Pin Count 3 | ||
Number of Elements per Chip 1 | ||
Dimensions 10.8 x 7.8 x 2.7mm | ||
Maximum Operating Temperature +150 °C | ||
PNP Power Transistors, STMicroelectronics

The STMicroelectronics BD438 are silicon epitaxial-base NPN power transistor in Jedec SOT-32 plastic package, intended for use in medium power linear and switching applications. It is especially suitable for use in car-radio output stages. The complementary PNP types are BD434, BD436, and BD438 respectively.
Preferred sales type
Complementary PNP - NPN devices
Complementary PNP - NPN devices
Bipolar Transistors, STMicroelectronics
A broad range of NPN and PNP Bipolar Transistors from STMicroelectronics including General Purpose, Darlington, Power and High-Voltage devices in both SMT and Through-hole packages.
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