| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
48 pcs
|
48 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Supplier Device Package |
The BC557 is a popular PNP bipolar junction transistor designed for general-purpose applications. It is housed in a compact TO-92 package, making it suitable for various electronic circuits where space is a consideration.
This transistor functions effectively as both a switch and an amplifier. Its key electrical characteristics include a maximum collector dissipation of 500 milliwatts and a collector-to-emitter breakdown voltage of -45V. The DC current gain (hFE) ranges from 110 to 800, depending on the specific variant (A, B, or C), making it a versatile component for small signal amplification, such as in audio circuits.
The BC557 is well-suited for switching applications with loads under 100mA. Its PNP type means holes are the majority carriers. The transistor's parameters, including Vce Saturation and collector cutoff current, are important considerations for circuit design.
Commonly used in amplification stages and switching circuits, the BC557 is a reliable choice for many electronic designs. Its equivalents include parts like the BC157, BC558, and 2N3906, offering designers flexibility in component selection.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The collector-emitter breakdown voltage is 45V.
The maximum continuous collector current (IC) is 100mA.
The typical DC current gain (hFE) is 300.
The BC557 is available in a TO-92 package.
The maximum collector dissipation is 500 milliwatts.
