BC557B
SMALL SIGNAL PNP TRANSISTOR
■SILICO N EP ITA X IAL PLANA R PNP
TRANSISTOR
■TO-92 PACKAGE SUITABLE FOR
TH ROUGH-HO LE PC B ASSEMBLY
■ THE NPN COMPLEMENTARY TYPE IS
BC547B
■
APPLICATIONS
■WELL SU ITAB LE FO R TV AND HOME
APPLIANCE EQUIPMENT
■SMALL LOAD SWITCH TRANSISTOR WITH
HIGH GAIN AND LOW SATURATION
VOLTAGE
®
INT E R NAL SCH E M ATI C DIAG RA M
March 2003
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
VCBO Collector-Base Voltage (IE = 0) -50 V
VCEO Collector-Emitter Voltage (IB = 0) -45 V
VEBO Emitter-Base Voltage (IC = 0) -5 V
ICCollector Current -100 m A
ICM Collector Peak Current (tp < 5 ms) -200 m A
Ptot Total Dissipation at TC = 25 oC 500 mW
Tstg Storage Temperature -65 to 150 oC
TjMax. Operating Junction Temperature 150 oC
TO-92
Bulk TO-92
Ammopack
Ordering Code Marking Package / Shipment
BC557B BC557B TO-92 / Bulk
BC557B-AP BC557B TO-92 / Ammopack
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THERMAL DATA
Rthj-amb •
Rthj-Case •Thermal Resistance Junction-Ambient Max
Thermal Resistance Junction-Case Max 250
83.3
oC/W
oC/W
ELE CT RICAL CHAR ACT ERIST I CS (Tcase = 25 oC unless otherwise specif ied)
Symbol Parameter Test Conditions Min. Typ. Max. Unit
ICBO Collector Cut-off
Current (IE = 0) VCB = -30 V
VCB = -30 V TC = 150 oC-1 -15
-4 nA
µA
IEBO Emitter Cut-off Cu rrent
(IC = 0) VEB = -5 V -100 nA
V(BR)CEO∗Collector-Emitter
Breakdown Voltage
(IB = 0)
IC = -10 mA -45 V
VCE(sat)∗Collector-Emitter
Saturation Voltage IC = -10 mA IB = -0.5 mA
IC = -100 mA IB = -5 m A -0.06
0.18 -0.3
-0.65 V
V
VBE(sat)∗Base-Emitter
Saturation Voltage IC = -10 mA IB = -0.5 mA
IC = -100 mA IB = -5 m A -0.75
-0.93 V
V
VBE(on)∗Base-Emitter On
Voltage IC = -2 mA VCE = -5 V
IC = -10 mA VCE = -5 V -0.6 -0.65 -0.75
-0.82 V
V
hFE DC Current Gain IC = -2 mA VCE = -5 V 220 475
fTTransition Frequency IC = -10 mA VCE = -5 V f = 1 00MHz 100 MHz
CCBO Collector-Base
Capacitance IE = 0 VCB = -10 V f = 1 MHz 3 pF
CEBO Emitter-Base
Capacitance IC = 0 VEB = -0 .5 V f = 1 MHz 10 pF
NF Noise Figure VCE = -5 V IC = -200 µA f = 1KHz
∆f = 200 Hz RG = 2 KΩ210dB
∗ P ulsed: P ulse duration = 300 µs, d uty cy cle ≤ 2 %
BC557B
2/5
DIM. mm inch
MIN. TYP. MAX. MIN. TYP. MAX.
A 4.32 4.95 0.170 0.195
b 0.36 0.51 0.014 0.020
D 4.45 4.95 0.175 0.194
E 3.30 3.94 0.130 0.155
e 2.41 2.67 0.095 0.105
e1 1.14 1.40 0.045 0.055
L 12.70 15.49 0.500 0.609
R 2.16 2.41 0.085 0.094
S1 1.14 1.52 0.045 0.059
W 0.41 0.56 0.016 0.022
V 4 degree 6 degree 4 degree 6 degree
TO-9 2 MEC HANICAL DAT A
BC557B
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DIM. mm inch
MIN. TYP. MAX. MIN. TYP. MAX.
A1 4.80 0.189
T 3.80 0.150
T1 1.60 0.063
T2 2.30 0.091
d 0.48 0.019
P0 12.50 12.70 12.90 0.492 0.500 0.508
P2 5.65 6.35 7.05 0.222 0.250 0.278
F1,F2 2.44 2.54 2.94 0.096 0.100 0.116
delta H -2.00 2.00 -0.079 0.079
W 17.50 18.00 19.00 0.689 0.709 0.748
W0 5.70 6.00 6.30 0.224 0.236 0.248
W1 8.50 9.00 9.25 0.335 0.354 0.364
W2 0.50 0.020
H 18.50 20.50 0.728 0.807
H0 15.50 16.00 16.50 0.610 0.630 0.650
H1 25.00 0.984
D0 3.80 4.00 4.20 0.150 0.157 0.165
t 0.90 0.035
L 11.00 0.433
I1 3.00 0.118
delta P -1.00 1.00 -0.039 0.039
TO-92 AMMOPACK SHIPMENT (Suffix"-AP") MECHANICAL DATA
BC557B
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Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences
of use of such inform ation nor for any infringe ment o f patents or other rig hts o f third part ies which may re sult from its use . No li cen s e i s
granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are
subject to change without notice. This publication supersedes and replaces all information previously supplie d. STMicroelectronics pr oducts
ar e not aut horized for use as critical compo nents in life support devices or systems without express written approval of STMicroelectronics.
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BC557B
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