
1998
Document No. D16143EJ1V0DS00
Date Published April 2002 N CP(K)
Printed in Japan
SILICON TRANSISTORS
2SA1221, 1222
PNP SILICON EPITAXIAL TRANSISTOR
FOR LOW-FREQUENCY POWER AMPLIFIERS
DATA SHEET
2002
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confirm that this is the latest version.
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availability and additional information.
FEATURES
Ideal for use of high withstanding voltage current such as TV
vertical deflection output, audio output, and variable power
supplies.
Complementary transistor with 2SC2958 and 2SC2959
VCEO = 140 V: 2SA1221/2SC2958
VCEO = 160 V: 2SA1222/2SC2959
ABSOLUTE MAXIMUM RATINGS (Ta = 25
°°°°C)
Parameter
Symbol
Ratings
Unit
Collector to base voltage
VCBO
160
V
Collector to emitter voltage
VCEO
140/–160
V
Emitter to base voltage
VEBO
5.0
V
Collector current (DC)
IC(DC)
500
mA
Collector current (pulse)
IC(pulse)*
1.0
A
Total power dissipation
PT
1.0
W
Junction temperature
Tj
150
°C
Storage temperature
Tstg
55 to +150
°C
*PW
≤ 10 ms, duty cycle ≤ 50%
PACKAGE DRAWING (UNIT: mm)
ELECTRICAL CHARACTERISTICS (Ta = 25
°°°°C)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Collector cutoff current
ICBO
VCB =
100 V, IE = 0
200
nA
Emitter cutoff current
IEBO
VEB =
5.0 V, IC = 0
200
nA
DC current gain
hFE **
VCE =
2.0 V, IC = 100 mA
100
150
400
DC base voltage
VBE **
VCE =
5.0 V, IC = 20 mA
0.6
0.64
0.7
V
Collector saturation voltage
VCE(sat) **
IC =
1.0 A, IB = 0.2 A
0.6
0.9
V
Base saturation voltage
VBE(sat) **
IC =
1.0 A, IB = 0.2 A
1.1
0.3
V
Output capacitance
Cob
VCB =
10 V, IE = 0, f = 1.0 MHz
24
40
pF
Gain bandwidth product
fT
VCE =
10 V, IE = 20 mA
30
45
MHz
** Pulse test PW
≤ 350
s, duty cycle ≤ 2% per pulsed