| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
2 pcs
|
2 pcs | On Request | 2 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Supplier Device Package |
The BC557 is a widely used PNP bipolar junction transistor (BJT) manufactured by Texas Instruments. Designed for general-purpose applications, it functions effectively as both a switch and an amplifier in electronic circuits. Its small TO-92 package makes it suitable for space-constrained designs.
Key electrical characteristics include a maximum collector-emitter breakdown voltage of 45V and a maximum continuous collector current of 100mA. The transistor offers a typical DC current gain (hFE) of 300, with specific grades (A, B, C) providing different ranges. Its Vce saturation is a maximum of 650mV at 100mA collector current and 5mA base current. The maximum collector dissipation is rated at 500mW.
This transistor is ideal for small signal amplification, such as in audio signal amplification circuits. It can also reliably switch loads under 100mA. The BC557 is a complementary part to the BC547 NPN transistor, allowing for complementary push-pull configurations in amplifier designs.
Packaged in the common TO-92 package, the BC557 is easy to integrate into breadboard prototypes and printed circuit boards. Its robust specifications make it a reliable choice for various analog and digital circuit designs.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The maximum collector-emitter breakdown voltage for the BC557 is 45V.
The maximum continuous collector current (IC) for the BC557 is 100mA.
The typical DC current gain (hFE) of the BC557 is 300.
The BC557 transistor is supplied in a TO-92 package.
The Vce saturation voltage for the BC557 is a maximum of 650mV at 100mA collector current and 5mA base current.
