Page 1
BC635
SMALL SIGNAL NPN TRANSI STOR
PRELIMINARY DATA
■ SILICON EPI TAX IA L PLANAR N PN
TRANSISTOR
■ TO-92 PACKAGE SUITABLE FOR
THROU GH-HOL E PCB ASSEMBL Y
■ THE PNP COMPLEMENTARY TYPE IS
BC636
APPLICATIONS
■ WELL SUITABLE FOR TV AND HOME
APPLIANCE EQUIPMENT
■ SMALL LOAD SWITCH TRANSISTORS
WITH HIGH GAIN AND LO W SA TUR ATION
VOLTAG E
®
INTER NAL SCH E M ATI C DIAG RA M
February 2003
Ordering Code Marking Package / Shipment
BC635 BC635 TO-92 / Bulk
BC635-AP BC635 TO-92 / Ammopack
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
CER
Collector-Emitter Voltage (RBE = 1KΩ)
45 V
V
CEO
Collector-Emitter Voltage (IB = 0) 45 V
V
CES
Collector-Emitter Voltage (VBE = 0) 45 V
V
EBO
Emitter-Base Voltage (IC = 0) 5 V
I
C
Collector Current 1 A
I
CM
Collector Peak Current 1.5 A
P
tot
Total Dissipation at T
amb
= 25 oC1W
T
stg
Storage Temperature -65 to 150
o
C
T
j
Max. Operating Junction Temperature 150
o
C
TO-92
Bulk
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Ammopack
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THERMAL DATA
R
thj-amb
•
R
thj-Case
•
Thermal Resistance Junction-Ambient Max
Thermal Resistance Junction-Case Max
125
83.3
o
C/W
o
C/W
ELECTRICAL CHARACTERISTICS (T
case
= 25 oC unless otherwise specified)
Symbol Parameter Test Conditions Min. Typ. Max. Unit
I
CBO
Collector Cut-off
Current (I
E
= 0)
V
CB
= 30 V 0.1 µA
I
EBO
Emitter Cut-off Current
(I
C
= 0)
V
EB
= 5 V 0.1 µA
V
(BR)CEO
∗ Collector-Emitter
Breakdown Voltage
(I
B
= 0)
I
C
= 10 mA 45 V
V
CE(sat)
∗ Collector-Emitter
Saturation Voltage
IC = 500 mA IB = 50 mA 0.5 V
V
BE(on)
∗ Base-Emitter On
Voltage
IC = 500 mA VCE = 2 V 1 V
h
FE
DC Current Gain IC = 5 mA VCE = 2 V
I
C
= 150 mA VCE = 2 V
I
C
= 500 mA VCE = 2 V
25
40
25
250
f
T
Transition Frequency IC = 10 mA VCE = 5 V f = 50MHz 100 MHz
∗ Pulsed: Pulse duration = 300 µs, duty cycle ≤ 2 %
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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-92 MECHANICA L DAT A
BC635
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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
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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 par ties which ma y resul t from i ts use. N o li cen se is
granted by implicatio n or otherwise un der any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are
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BC635
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