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What is BC556?

This electronic component, produced by the manufacturer "General Semiconductor", performs the same function as "Small Signal Transistors (PNP)".


BC556 Datasheet PDF - General Semiconductor

Part Number BC556
Description Small Signal Transistors (PNP)
Manufacturers General Semiconductor 
Logo General Semiconductor Logo 


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BC556 THRU BC559
Small Signal Transistors (PNP)
TO-92
.181 (4.6)
.142 (3.6)
max..022 (0.55)
.098 (2.5)
CE
B
Dimensions in inches and (millimeters)
FEATURES
PNP Silicon Epitaxial Planar Transistors for
switching and AF amplifier applications.
These transistors are subdivided into
three groups A, B and C according to
their current gain. The type BC556 is avail-
able in groups A and B, however, the types
BC557 and BC558 can be supplied in all three
groups. The BC559 is a low-noise type available
in all three groups. As complementary types, the
NPN transistors BC546 … BC549 are recommended.
On special request, these transistors are also manufac-
tured in the pin configuration TO-18.
MECHANICAL DATA
Case: TO-92 Plastic Package
Weight: approx. 0.18 g
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 °C ambient temperature unless otherwise specified
Symbol
Value
Collector-Base Voltage
BC556
BC557
BC558, BC559
–VCBO
–VCBO
–VCBO
80
50
30
Collector-Emitter Voltage
BC556
BC557
BC558, BC559
–VCES
–VCES
–VCES
80
50
30
Collector-Emitter Voltage
BC556
BC557
BC558, BC559
–VCEO
–VCEO
–VCEO
65
45
30
Emitter-Base Voltage
–VEBO
5
Collector Current
–IC 100
Peak Collector Current
–ICM
200
Peak Base Current
–IBM
200
Peak Emitter Current
IEM 200
Power Dissipation at Tamb = 25 °C
Ptot 5001)
Junction Temperature
Tj 150
Storage Temperature Range
TS –65 to +150
1) Valid provided that leads are kept at ambient temperature at a distance of 2 mm from case.
Unit
V
V
V
V
V
V
V
V
V
V
mA
mA
mA
mA
mW
°C
°C
4/98

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BC556 equivalent
RATINGS AND CHARACTERISTIC CURVES BC556 THRU BC559
Relative h-parameters
versus collector current
10 2
6
he(-IC) 4
he (-IC = 2 mA)
2
10
6
4
hie
2
hre
1
6
hfe
4
2
10 -1
10 -1
hoe
2
4
BC556...BC559
-VCE = 5 V
Tamb = 25 °C
1 2 4 10 mA
-IC


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BC556 datasheet


1. 0.1A, PNP Transistor - Fairchild

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