1
Motorola SmallSignal Transistors, FETs and Diodes Device Data
High Current Transistors
NPN Silicon
MAXIMUM RATINGS
Rating
Symbol
BC
635
BC
637
BC
639
Unit
Collector Emitter Voltage
VCEO
45
60
80
Vdc
Collector Base Voltage
VCBO
45
60
80
Vdc
Emitter Base Voltage
VEBO
5.0
Vdc
Collector Current -- Continuous
IC
0.5
Adc
Total Device Dissipation @ TA = 25
C
Derate above 25
C
PD
625
5.0
mW
mW/
C
Total Device Dissipation @ TC = 25
C
Derate above 25
C
PD
1.5
12
Watt
mW/
C
Operating and Storage Junction
Temperature Range
TJ, Tstg
55 to +150
C
THERMAL CHARACTERISTICS
Characteristic
Symbol
Max
Unit
Thermal Resistance, Junction to Ambient
R
q
JA
200
C/W
Thermal Resistance, Junction to Case
R
q
JC
83.3
C/W
ELECTRICAL CHARACTERISTICS
(TA = 25
C unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Unit
OFF CHARACTERISTICS
Collector Emitter Breakdown Voltage(1)
(IC = 10 mAdc, IB = 0)
BC635
BC637
BC639
V(BR)CEO
45
60
80
--
--
--
--
--
--
Vdc
Collector Base Breakdown Voltage
(IC = 100
Adc, IE = 0)
BC635
BC637
BC639
V(BR)CBO
45
60
80
--
--
--
--
--
--
Vdc
Emitter Base Breakdown Voltage
(IE = 10
m
Adc, IC = 0)
V(BR)EBO
5.0
--
--
Vdc
Collector Cutoff Current
(VCB = 30 Vdc, IE = 0)
(VCB = 30 Vdc, IE = 0, TA = 125
C)
ICBO
--
--
--
--
100
10
nAdc
Adc
1. Pulse Test: Pulse Width
300
s, Duty Cycle 2.0%.
Order this document
by BC635/D
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
BC635
BC637
BC639
CASE 2904, STYLE 14
TO92 (TO226AA)
1
2
3
Motorola, Inc. 1996
COLLECTOR
2
3
BASE
1
EMITTER
BC635 BC637 BC639
2
Motorola SmallSignal Transistors, FETs and Diodes Device Data
ELECTRICAL CHARACTERISTICS
(TA = 25
C unless otherwise noted) (Continued)
Characteristic
Symbol
Min
Typ
Max
Unit
ON CHARACTERISTICS(1)
DC Current Gain
(IC = 5.0 mAdc, VCE = 2.0 Vdc)
(IC = 150 mAdc, VCE = 2.0 Vdc)
BC635
BC637
BC639
(IC = 500 mA, VCE = 2.0 V)
hFE
25
40
40
40
25
--
--
--
--
--
--
250
160
160
--
--
Collector Emitter Saturation Voltage
(IC = 500 mAdc, IB = 50 mAdc)
VCE(sat)
--
--
0.5
Vdc
BaseEmitter On Voltage
(IC = 500 mAdc, VCE = 2.0 Vdc)
VBE(on)
--
--
1.0
Vdc
DYNAMIC CHARACTERISTICS
Current Gain -- Bandwidth Product
(IC = 50 mAdc, VCE = 2.0 Vdc, f = 100 MHz)
fT
--
200
--
MHz
Output Capacitance
(VCB = 10 Vdc, IE = 0, f = 1.0 MHz)
Cob
--
7.0
--
pF
Input Capacitance
(VEB = 0.5 Vdc, IC = 0, f = 1.0 MHz)
Cib
--
50
--
pF
1. Pulse Test: Pulse Width
300
s, Duty Cycle 2.0%.
BC635 BC637 BC639
3
Motorola SmallSignal Transistors, FETs and Diodes Device Data
I C
, COLLECT
OR CURRENT
(mA)
h
FE
, DC CURRENT
GAIN
f
, CURRENTGAIN -- BANDWIDTH PRODUCT
(MHz)
T
V
, VOL
T
AGE (VOL
TS)
V
,
TEMPERA
TURE COEFFICIENTS (mV/
C)
1000
1
2
5
10
20
50
100
200
500
100
1
2
3
4 5
7
10
20
30 40 50 70
VCE, COLLECTOREMITTER VOLTAGE (VOLTS)
Figure 1. Active Region Safe Operating Area
BC635
BC637
BC639
PD TA 25
C
PD TC 25
C
SOA = 1S
PD TC 25
C
PD TA 25
C
500
200
100
50
20
1
3
5
10
30
50
100
300 500
1000
IC, COLLECTOR CURRENT (mA)
Figure 2. DC Current Gain
VCE = 2 V
500
300
100
50
20
1
10
100
1000
IC, COLLECTOR CURRENT (mA)
Figure 3. CurrentGain -- Bandwidth Product
VCE = 2 V
1
0.8
0.6
0.4
0.2
0
1
10
100
1000
IC, COLLECTOR CURRENT (mA)
Figure 4. "Saturation" and "On" Voltages
VBE(sat) @ IC/IB = 10
VBE(on) @ VCE = 2 V
VCE(sat) @ IC/IB = 10
0.2
1.0
2.2
1.6
1
3
5
10
30
50
100
300 500
1000
IC, COLLECTOR CURRENT (mA)
Figure 5. Temperature Coefficients
VCE = 2 VOLTS
T = 0
C to +100
C
V for VBE
BC635 BC637 BC639
4
Motorola SmallSignal Transistors, FETs and Diodes Device Data
PACKAGE DIMENSIONS
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. CONTOUR OF PACKAGE BEYOND DIMENSION R
IS UNCONTROLLED.
4. DIMENSION F APPLIES BETWEEN P AND L.
DIMENSION D AND J APPLY BETWEEN L AND K
MINIMUM. LEAD DIMENSION IS UNCONTROLLED
IN P AND BEYOND DIMENSION K MINIMUM.
R
A
P
J
L
F
B
K
G
H
SECTION XX
C
V
D
N
N
X X
SEATING
PLANE
DIM
MIN
MAX
MIN
MAX
MILLIMETERS
INCHES
A
0.175
0.205
4.45
5.20
B
0.170
0.210
4.32
5.33
C
0.125
0.165
3.18
4.19
D
0.016
0.022
0.41
0.55
F
0.016
0.019
0.41
0.48
G
0.045
0.055
1.15
1.39
H
0.095
0.105
2.42
2.66
J
0.015
0.020
0.39
0.50
K
0.500
12.70
L
0.250
6.35
N
0.080
0.105
2.04
2.66
P
0.100
2.54
R
0.115
2.93
V
0.135
3.43
1
CASE 02904
(TO226AA)
ISSUE AD
STYLE 14:
PIN 1. EMITTER
2. COLLECTOR
3. BASE
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit,
and specifically disclaims any and all liability, including without limitation consequential or incidental damages. "Typical" parameters can and do vary in different
applications. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. Motorola does
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associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part.
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BC635/D
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