Transistor BC157 PNP 45 V 100 mA 300 mW SOT-25

Transistor BC157 PNP, 100mA SOT-25

Transistors

Reference: TRBC157

Part.No: BC157

€0.60

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The BC157 is a general-purpose PNP Bipolar Junction Transistor (BJT) in a SOT-25 package. Suited for small-signal amplification and low-power switching in analog and digital hobby circuits.

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Description
Product Details

BC157 PNP Transistor - General Purpose Switching & Amplification

The BC157 is a PNP bipolar junction transistor in a compact SOT-25 package, commonly used as the complementary counterpart to NPN types like the BC147 in push-pull and general-purpose analog circuits.

Functions & Applications

PNP Polarity: Complements NPN types for push-pull and complementary-pair circuit designs.
Compact SOT-25 Package: Small footprint suitable for space-constrained boards.
Low-Power Switching: Handles up to 100mA collector current for driving small loads.
General Purpose: Works well in signal amplification and basic switching applications.

Technical Specifications

Parameter	Value / Specification
Transistor Type	BJT (Bipolar Junction Transistor)
Polarity / Channel	PNP
Package / Case	SOT-25
Collector-Emitter Voltage (Vceo)	45V
Max Collector Current (Ic)	100mA
Power Dissipation (Pd)	300mW
Mounting Type	Surface Mount (SMD)

Frequently Asked Questions

Q: What is the complementary NPN part for the BC157?
A: The BC147 is the common complementary NPN counterpart with matching voltage and current ratings.

Q: What is the maximum current the BC157 can switch?
A: The BC157 is rated for a maximum collector current of 100mA, making it suitable for small loads like LEDs and low-current relays.

Note: Price refers to one (1) piece. The component is shipped in bulk without individual packaging.

Transistor Type: BJT (Bipolar Junction Transistor)
Transistor Polarity / Channel: PNP
Transistor Case Style: SOT-25

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