Page 1
查询BC557B-AP 供应商
®
SMALL SIGNAL PNP TRANSISTOR
Ordering Code Marking Package / Shipment
BC557B BC557B TO-92 / Bulk
BC557B-AP BC557B TO-92 / Ammopack
■ SILICON EPI TAX IA L PLANAR PN P
TRANSISTOR
■ TO-92 PACKAGE SUITABLE FOR
THROU GH-HOLE PCB ASSEMBLY
■ THE NPN COMPLEMENTARY TYPE IS
BC547B
■
APPLICATIONS
■ WELL SUITABLE FOR TV AND HOME
APPLIANCE EQUIPMENT
■ SMALL LOAD SWITCH TRANSISTOR WITH
HIGH GAIN AND LOW SATURATION
VOLTAGE
BC557B
TO-92
Bulk
INTER NAL SCH E M ATI C DIAG RA M
TO-92
Ammopack
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
V
V
I
P
T
March 2003
Collector-Base Voltage (IE = 0) -50 V
CBO
Collector-Emitter Voltage (IB = 0) -45 V
CEO
Emitter-Base Voltage (IC = 0) -5 V
EBO
Collector Current -100 mA
I
C
Collector Peak Current (tp < 5 ms) -200 mA
CM
Total Dissipation at TC = 25 oC 500 mW
tot
Storage Temperature -65 to 150
stg
Max. Operating Junction Temperature 150
T
j
o
C
o
C
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Page 2
BC557B
THERMAL DATA
R
R
thj-amb
thj-Case
•
Thermal Resistance Junction-Ambient Max
•
Thermal Resistance Junction-Case Max
250
83.3
o
C/W
o
C/W
ELECTRICAL CHARACTERISTICS (T
= 25 oC unless otherwise specified)
case
Symbol Parameter Test Conditions Min. Typ. Max. Unit
I
CBO
I
EBO
V
(BR)CEO
Collector Cut-off
Current (I
= 0)
E
Emitter Cut-off Current
(I
= 0)
C
∗ Collector-Emitter
= -30 V
V
CB
V
= -30 V TC = 150 oC
CB
= -5 V -100 nA
V
EB
I
= -10 mA -45 V
C
-1 -15
-4
Breakdown Voltage
(I
= 0)
B
∗ Collector-Emitter
V
CE(sat)
Saturation Voltage
V
∗ Base-Emitter
BE(sat)
Saturation Voltage
V
∗ Base-Emitter On
BE(on)
Voltage
h
f
C
CBO
DC Current Gain IC = -2 mA VCE = -5 V 220 475
FE
Transition Frequency IC = -10 mA VCE = -5 V f = 100MHz 100 MHz
T
Collector-Base
IC = -10 mA IB = -0.5 mA
I
= -100 mA IB = -5 mA
C
IC = -10 mA IB = -0.5 mA
I
= -100 mA IB = -5 mA
C
IC = -2 mA VCE = -5 V
I
= -10 mA VCE = -5 V
C
-0.6 -0.65 -0.75
-0.06
0.18
-0.75
-0.93
-0.3
-0.65
-0.82
IE = 0 VCB = -10 V f = 1 MHz 3 pF
Capacitance
C
EBO
Emitter-Base
IC = 0 VEB = -0.5 V f = 1 MHz 10 pF
Capacitance
NF Noise Figure
V
∆f = 200 Hz R
∗ Pulsed: Pulse duration = 300 µs, duty cycle ≤ 2 %
= -5 V IC = -200 µA f = 1KHz
CE
= 2 KΩ
G
210dB
nA
µA
V
V
V
V
V
V
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Page 3
TO-92 MECHANICA L DAT A
BC557B
DIM.
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
mm inch
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Page 4
BC557B
TO-92 AMMOPACK SHIPMENT (Suffix"-AP") MECHANICAL DATA
DIM.
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
MIN. TYP. MAX. MIN. TYP. MAX.
mm inch
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Page 5
BC557B
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 par ties which ma y resul t from i ts use. N o li cen se is
granted by implicatio n 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 supplied. STMicroelectronics products
are not authorized for use as critical compo nents in life support devices or systems without express written approval of STMicroelectronics.
The ST logo is a trademark of STMicroelectronics
© 2003 STMicroelectro nics – Printed in Italy – All Rights Reserved
STMicroelectronics GROUP OF COMPANIES
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