BOCA 2N3478 Datasheet
NPN SILICON PLANAR TRANSISTOR 2N3478
http://www.bocasemi.com
Boca Semiconductor Corp.
BSC
TO-72
VHF/UHF Applications
ABSOLUTE MAXIMUM RATINGS
DESCRIPTION SYMBOL VALUE UNIT
Collector -Base Voltage
Collector -Emitter Voltage
Emitter Base Voltage
Collector Current
Power Dissipation @ Ta=25 deg C
Operating & Storage Junction
Temperature Range
ELECTRICAL CHARACTERISTICS (Ta=25 deg C Unless Otherwise Specified)
DESCRIPTION SYMBOL TEST CONDITION MIN TYP MAX UNIT
Collector Cut off Current
Collector -Base Voltage
Collector -Emitter Voltage
Emitter Base Voltage
DC Current Gain
DYNAMIC CHARACTERISTICS
Forward Current Transfer Ratio
Out-Put Capacitance
VCBO 30 V
VCEO 15 V
VEBO 2.0 V
IC 50 mA
Ptot 200 mW
Tj, Tstg -65 to +200 deg C
ICBO VCB=15V, IE=0 - - 20 nA
VCBO IC=1uA, IE=0 30 - - V
VCEO IC=1uA, IB=0 15 - - V
VEBO IE=1uA, IC=0 2.0 - - V
hFE IC=2mA,VCE=8V 25 - 150
hfe IC=2mA,VCE=8V,f=100MHz 7.5 - 16
Ccb VCB=10V, IE=0, f=1MHz - - 1.0 pF
E
http://www.bocasemi.com
D
1
H
L
J
TO-72 Metal Can Package
A
B
DIM MIN. MAX.
C
K
1
4
F
2
3
G
4
2
3
PIN CONFIGURATION
1. EMITTER
2. BASE
3. COLLECTOR
4. CASE
A 5.24 5.84
B 4.52 4 .95
C 4 .31 5 .33
D 0 .40 0 .53
E — 0.76
F 1.14 1 .39
G 2.28 2.97
H 0 .91 1 .17
J 0.7 1 1.2 2
K
12.70
L
All dimensions in mm.
12 DEG
—
48 DEG
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