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1
Motorola Small–Signal Transistors, FETs and Diodes Device Data
General Purpose Transistors
PNP Silicon
MAXIMUM RATINGS
Rating Symbol 2N3635 2N3637 Unit
CollectorEmitter Voltage VCEO 140 175 Vdc
CollectorBase Voltage VCBO 140 175 Vdc
EmitterBase Voltage VEBO 5.0 Vdc
Collector Current — Continuous IC1.0 Adc
Total Device Dissipation @ TA = 25°C
Derate above 25°CPD1.0
5.71 Watts
mW/°C
Total Device Dissipation @ TC = 25°C
Derate above 25°CPD5.0
28.6 Watts
mW/°C
Operating and Storage Junction
Temperature Range TJ, Tstg 65 to +200 °C
THERMAL CHARACTERISTICS
Characteristic Symbol Max Unit
Thermal Resistance, Junction to Ambient R
q
JA 175 °C/W
Thermal Resistance, Junction to Case R
q
JC 35 °C/W
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic Symbol Min Max Unit
OFF CHARACTERISTICS
CollectorEmitter Breakdown Voltage(1)
(IC = –10 mAdc, IB = 0) 2N3635
2N3637
V(BR)CEO 140
175
Vdc
CollectorBase Breakdown Voltage
(IC = –100
m
Adc, IE = 0) 2N3635
2N3637
V(BR)CBO 140
175
Vdc
EmitterBase Breakdown Voltage
(IE = –10
m
Adc, IC = 0) V(BR)EBO 5.0 Vdc
Collector Cutoff Current
(VCB = –100 Vdc, IE = 0) ICBO 100 nAdc
Emitter Cutoff Current
(VEB = –3.0 Vdc, IC = 0) IEBO –50 nAdc
1. Pulse Test: Pulse Width
v
300
m
s, Duty Cycle
v
2.0%.
Order this document
by 2N3635/D
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
2N3635
2N3637
CASE 79–04, STYLE 1
TO–39 (TO–205AD)
1
2
3
Motorola, Inc. 1996
COLLECTOR
3
2
BASE
1
EMITTER
(Replaces 2N3634/D)
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2 Motorola Small–Signal Transistors, FETs and Diodes Device Data
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) (Continued)
Characteristic Symbol Min Max Unit
ON CHARACTERISTICS
DC Current Gain
(IC = –0.1 mAdc, VCE = –10 Vdc)
(IC = –1.0 mAdc, VCE = –10 Vdc)
(IC = –10 mAdc, VCE = –10 Vdc)(1)
(IC = –50 mAdc, VCE = –10 Vdc)(1)
(IC = –150 mAdc, VCE = –10 Vdc)(1)
hFE 80
90
100
100
50
300
CollectorEmitter Saturation V oltage (1)
(IC = –10 mAdc, IB = –1.0 mAdc)
(IC = –50 mAdc, IB = –5.0 mAdc)
VCE(sat)
0.3
0.5
Vdc
BaseEmitter Saturation V oltage (1)
(IC = –10 mAdc, IB = –1.0 mAdc)
(IC = –50 mAdc, IB = –5.0 mAdc)
VBE(sat)
0.65 0.8
0.9
Vdc
SMALL–SIGNAL CHARACTERISTICS
CurrentGain — Bandwidth Product
(VCE = –30 Vdc, IC = –30 mAdc, f = 100 MHz) fT200 MHz
Output Capacitance
(VCB = –20 Vdc, IE = 0, f = 1.0 MHz) Cobo 10 pF
Input Capacitance
(VEB = –1.0 Vdc, IC = 0, f = 1.0 MHz) Cibo 75 pF
Input Impedance
(IC = –10 mAdc, VCE = –10 Vdc, f = 1.0 kHz) hie 200 1200
Voltage Feedback Ratio
(IC = –10 mAdc, VCE = –10 Vdc, f = 1.0 kHz) hre 3.0 X 10–4
Small–Signal Current Gain
(IC = –10 mAdc, VCE = –10 Vdc, f = 1.0 kHz) hfe 80 320
Output Admittance
(IC = –10 mAdc, VCE = –10 Vdc, f = 1.0 kHz) hoe 200 µmhos
Noise Figure
(IC = –0.5 mAdc, VCE = –10 Vdc, RS = 1.0 k, f = 1.0 kHz) NF 3.0 dB
SWITCHING CHARACTERISTICS
Turn–On Time (VCC = –100 Vdc, VBE = 4.0 Vdc, ton 400 ns
Turn–Off Time
(CC BE
IC = –50 mAdc, IB1 = IB2 = –5.0 mAdc) toff 600 ns
1. Pulse Test: Pulse Width
v
300
m
s, Duty Cycle
v
2.0%.
100
70
50
30
20
10
5.0 1.0
REVERSE BIAS (VOLTS)
Figure 1. Junction Capacitance Variations
2.0 5.0 10 20 100
Cob
500
300
200
100
70
50
IE, EMITTER CURRENT (mA)
Figure 2. Gain–Bandwidth Product
VCE = –10 V
TJ = 25°C
–500.1 0.2 0.5
7.0
Cib
fr, GAIN–BANDWIDTH PRODUCT (MHz)
C, CAPACITANCE (pF)
1.0 2.0 3.0 5.0 7.0 10 20 30 50 701000.3 3.0 30
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3
Motorola Small–Signal Transistors, FETs and Diodes Device Data
IC, COLLECTOR CURRENT (mA)
300
10 7.0 20
Figure 3. Current Gain Characteristics versus Junction Temperature
TJ = 125°C
hFE, DC CURRENT GAIN
100 200
TJ = 25°C
TJ = –55°C
2N3635
VCE = –2.0 V
–70–50–30–105.03.0
2.0
1.0
20
30
50
70
100
200
IC, COLLECTOR CURRENT (mA)
0.1 7.0 20
Figure 4. Current Gain Characteristics versus Collector Emitter Voltage
NORMALIZED DC CURRENT GAIN
100 200
–70–50–30–105.03.0
2.0
1.0
2N3635
TJ = 25°C
2.0
1.0
0.2
0.3
0.5
0.7
NORMALIZED TO VCE = –10 V IC = –50 mA
VCE = –10 V
VCE = –2.0 V
VCE = –1.0 V
IC, COLLECTOR CURRENT (mA)
300
10 7.0 20
Figure 5. Current Gain Characteristics versus Junction Temperature
TJ = 125°C
hFE, DC CURRENT GAIN
100 200
TJ = 25°C
TJ = –55°C
2N3637
VCE = –2.0 V
–70–50–30–105.03.0
2.0
1.0
20
30
50
70
100
200
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4 Motorola Small–Signal Transistors, FETs and Diodes Device Data
IC, COLLECTOR CURRENT (mA)
0.1 7.0 20
Figure 6. Current Gain Characteristics versus Collector Emitter Voltage
NORMALIZED DC CURRENT GAIN
100 200
–70–50–30–105.03.0
2.0
1.0
2N3637
TJ = 25°C
2.0
1.0
0.2
0.3
0.5
0.7
NORMALIZED TO VCE = –10 V, IC = –50 mA
VCE = –10 V
VCE = –2.0 V
VCE = –1.0 V
5.0
IE, EMITTER CURRENT (mA)
0.1 2.0 3.0 5.0 7.0 101.00.70.50.30.2
0.5
0.7
1.0
2.0
3.0
7.0
10
20
h
ie
,
I
NPU
T
IM
P
E
D
A
N
CE
(k
O
H
MS)
h , OUTPUT IMPEDANCE (
oe
m
ohms)
70
50
30
20
10
7.0
5.0
0.1 2.0 3.0 5.0 7.0 101.00.70.50.30.2 IE, EMITTER CURRENT (mA)
Figure 7. Input Impedance Figure 8. Output Impedance
2N3635, 2N3637
2N3635, 2N3637
IE, EMITTER CURRENT (mA)
0.1 2.0 3.0 5.0 7.0 101.00.70.50.30.2
50
70
100
150
200
0.1 2.0 3.0 5.0 7.0 101.00.70.50.30.2 IE, EMITTER CURRENT (mA)
Figure 9. Current Gain Figure 10. Voltage Feedback Ratio
2N3635, 2N3637
2N3635, 2N3637
h , VOLTAGE FEEDBACK RATIO (X 10 )
re –4
h
fe
,
C
U
RRE
N
T
G
AI
N
0.7
1.0
2.0
3.0
5.0
7.0
10
20
30
50
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Motorola Small–Signal Transistors, FETs and Diodes Device Data
IC, COLLECTOR CURRENT (mA)
2.0 3.0 5.0 101.0
1.0
IC, COLLECTOR CURRENT (mA)
Figure 11. Saturation Voltages Figure 12. Temperature Coefficients
IC, COLLECTOR CURRENT (mA)
1000
IC, COLLECTOR CURRENT (mA)
Figure 13. Switching Time Test Circuit
Figure 14. Turn–On Time Variations
with Voltage
V
sat
,
O
U
T
PU
T
SAT
U
RATIO
N
VOLTA
G
E
(
VOLTS)
V, TEMPERATURE COEFFICIENT (mV/ C)°θ
t,
TIME
(n
s)
t, TIME (ns)
0.8
0.6
0.4
0.2
–0 –20 –30 –50 100 200
βF = 10
TJ = 25°CVBE(sat)
VCE(sat)
θVC for VCE(sat)
(25°C to –55°C)
+1.0
+0.5
0
0.5
1.0
1.5
2.00 50 100 150 200
θVB for VBE(sat)
(25°C to 125°C)
(25°C to –55°C)
(25°C to 125°C)
CURVES APPLY TO ALL DEVICE TYPES
EXCEPT WHERE INDICATED
5.0
7.0
10
20
30
50
70
100
200
300
500
700
2.03.0 5.0 101.0 –20 –30 –50 100 200
5000
50
100
70
200
300
500
700
1000
2000
3000
2.03.0 5.0 101.0 –20 –30 –50 100 200
βF = 10
TJ = 25°C
VCC = –100 V
tr
VCC = –10 V
2N3637
2N3635
td @ VOB = 0 V
VCC = –100 V
TJ = 25°C
βF = 20
βF = 10
βF = 20
βF = 10
ts
tf
Vmax Vin
Vmin
2.0 k
1.0 k
Vin
–100 V
P.W.
^
20 µs
DUTY CYCLE 2%
RISE TIME 20 ns
Vmax Vmin
TURN–ON
TURN–OFF +4.0 V
+4.1 V 5.65 V
5.9 V
Figure 15. Turn–Off Time Variations with
Circuit Gain
7.0 –70
7.0 –70 7.0 –70
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6 Motorola Small–Signal Transistors, FETs and Diodes Device Data
PACKAGE DIMENSIONS
CASE 079–04
(TO–205AD)
ISSUE N
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION J MEASURED FROM DIMENSION A
MAXIMUM.
4. DIMENSION B SHALL NOT VARY MORE THAN
0.25 (0.010) IN ZONE R. THIS ZONE
CONTROLLED FOR AUTOMATIC HANDLING.
5. DIMENSION F APPLIES BETWEEN DIMENSION
P AND L. DIMENSION D APPLIES BETWEEN
DIMENSION L AND K MINIMUM. LEAD
DIAMETER IS UNCONTROLLED IN DIMENSION
P AND BEYOND DIMENSION K MINIMUM.
STYLE 1:
PIN 1. EMITTER
2. BASE
3. COLLECTOR
SEATING
PLANE
R
EF
B
C
K
L
P
D3 PL
–T–
–A–
–H–
M
J
G
2
31
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A0.335 0.370 8.51 9.39
B0.305 0.335 7.75 8.50
C0.240 0.260 6.10 6.60
D0.016 0.021 0.41 0.53
E0.009 0.041 0.23 1.04
F0.016 0.019 0.41 0.48
G0.200 BSC 5.08 BSC
H0.028 0.034 0.72 0.86
J0.029 0.045 0.74 1.14
K0.500 0.750 12.70 19.05
L0.250 ––– 6.35 –––
M45 BSC 45 BSC
P––– 0.050 ––– 1.27
R0.100 ––– 2.54 –––
__
M
A
M
0.36 (0.014) H M
T
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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
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