Question 1

What is BC557B?

Accepted Answer

BC557B Transistor Datasheet pdf, BC557B Equivalent. Parameters and Characteristics

Question 2

What are the specifications of BC557B?

Accepted Answer

Key specifications include: Material of Transistor: Si, Polarity: PNP, Maximum Collector Power Dissipation (Pc): 0.5 W, Maximum Collector-Base Voltage |Vcb|: 50 V, Maximum Collector-Emitter Voltage |Vce|: 45 V, Maximum Emitter-Base Voltage |Veb|: 5 V, Maximum Collector Current |Ic max|: 0.1 A, Max. Operating Junction Temperature (Tj): 150 °C, Transition Frequency (ft): 75 MHz, Collector Capacitance (Cc): 9 pF, Forward Current Transfer Ratio (hFE), MIN: 200, Noise Figure, dB: -, Package: TO92

Question 3

What are equivalent components to BC557B?

Accepted Answer

Common equivalents include: BC556A, BC556AP, BC556B, BC556BP, BC556VI, BC557, BC557A, BC557AP

BC557B Transistor — Specifications & Equivalents

Key Specifications

Equivalent & Replacement Parts

Material of Transistor	Si
Polarity	PNP
Maximum Collector Power Dissipation (Pc)	0.5 W
Maximum Collector-Base Voltage \|Vcb\|	50 V
Maximum Collector-Emitter Voltage \|Vce\|	45 V
Maximum Emitter-Base Voltage \|Veb\|	5 V
Maximum Collector Current \|Ic max\|	0.1 A
Max. Operating Junction Temperature (Tj)	150 °C
Transition Frequency (ft)	75 MHz
Collector Capacitance (Cc)	9 pF
Forward Current Transfer Ratio (hFE), MIN	200
Noise Figure, dB	-
Package	TO92