BC 817UPN Infineon Transistor (SOT23 (6-Pin)) In Stock
The Infineon BC 817UPN is a dual NPN+PNP complementary bipolar transistor pair in a 6-pin SC-74 package, rated at 500 mA and 45 V. Ideal for push-pull switching circuits. Available from stock with worldwide shipping.
- Manufacturer
- Infineon
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- BC 817UPN Datasheet PDF
- Category
- Transistor
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of BC 817UPN?
- Dual NPN+PNP complementary pair in one 6-pin SC-74 package reduces component count and board space
- 500 mA continuous collector current supports medium-load switching in portable and battery-powered designs
- 45 V collector-emitter breakdown voltage provides headroom for automotive and industrial signal switching
- Matched complementary characteristics simplify push-pull amplifier and complementary driver circuit design
What is BC 817UPN used for?
The BC 817UPN is well-suited for push-pull output stages, complementary switching circuits, and small motor control in portable consumer devices. Its dual NPN+PNP structure in a single 6-pin SC-74 package reduces board space and simplifies BOM management for LED drivers, relay drivers, and signal-level inverters operating up to 45 V.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the BC 817UPN datasheet?
BC 817UPN Datasheet DownloadOfficial datasheet from Infineon
What are equivalent replacements for BC 817UPN?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Why does combining NPN and PNP transistors in the BC 817UPN reduce PCB component count?
The BC 817UPN integrates a matched NPN and PNP pair in a single 6-pin SC-74 package, replacing two separate SOT-23 transistors. This saves board space and reduces solder joints, which is particularly valuable in portable devices with 500 mA switching requirements and compact PCB layouts.
Which circuit topologies leverage the BC 817UPN's complementary NPN+PNP structure most effectively?
The BC 817UPN's complementary NPN+PNP structure is ideal for push-pull output stages, class AB audio amplifiers, and CMOS-level translator circuits. Both transistors are rated to 45 V and 500 mA, providing sufficient drive for relay coils, LED strings, and small motors without external discrete devices.
For a 3.3 V microcontroller interfacing with a 12 V load, how does the BC 817UPN enable level-shifted switching?
The BC 817UPN's NPN transistor can be base-driven from a 3.3 V microcontroller GPIO while switching loads up to 45 V at 500 mA on the collector. The complementary PNP transistor enables high-side switching in the same package, making this dual transistor a compact solution for mixed-voltage embedded control applications.
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