Transistor
2SA1123
Silicon PNP epitaxial planer type
For low-frequency high breakdown voltage amplification Complementary to 2SC2631
5.1±0.2
Unit: mm
5.0±0.2 4.0±0.2
s Features
q q q q
Satisfactory foward current transfer ratio hFE collector current IC characteristics. High collector to emitter voltage VCEO. Small collector output capacitance Cob. Makes up a complementary pair with 2SC2631, which is optimum for the pre-driver stage of a 20 to 40W output amplifier. (Ta=25˚C)
Ratings –150 –150 –5 –100 –50 750 150 –55 ~ +150 Unit
13.5±0.5
s Absolute Maximum Ratings
Parameter Collector to base voltage Collector to emitter voltage Emitter to base voltage Peak collector current Collector current Collector power dissipation Junction temperature Storage temperature Symbol VCBO VCEO VEBO ICP IC PC Tj Tstg
0.45 –0.1 1.27
+0.2
0.45 –0.1
1.27
+0.2
V V mA mA mW ˚C ˚C
123
2.3±0.2
V
2.54±0.15
1:Emitter 2:Collector 3:Base JEDEC:TO–92 EIAJ:SC–43A
s Electrical Characteristics
Parameter Collector cutoff current Collector to emitter voltage Emitter to base voltage Forward current transfer ratio Collector to emitter saturation voltage Transition frequency Collector output capacitance Noise voltage
(Ta=25˚C)
Symbol ICBO VCEO VEBO hFE fT Cob NV
*
Conditions VCB = –100V, IE = 0 IC = –0.1mA, IB = 0 IE = –10µA, IC = 0 VCE = –5V, IC = –10mA IC = –30mA, IB = –3mA VCB = –10V, IE = 10mA, f = 200MHz VCB = –10V, IE = 0, f = 1MHz VCE = –10V, IC = –1mA, GV = 80dB Rg = 100kΩ, Function = FLAT
min
typ
max –1
Unit µA V V
–150 –5 130 450 –1 200 5 150 300
VCE(sat)
V MHz pF mV
*h
FE
Rank classification
R 130 ~ 220 S 185 ~ 330 T 260 ~ 450 hFE
Rank
1
Transistor
PC — Ta
1.0 –80 Ta=25˚C –70 –100 25˚C Ta=75˚C –80
2SA1123
IC — VCE
–120 VCE=–5V
IC — VBE
Collector power dissipation PC (W)
0.9
Collector current IC (mA)
–60 –50 –40 –30 –20 –10 0
0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 20 40 60 80 100 120 140 160
Collector current IC (mA)
0.8
IB=–500µA –450µA –400µA –350µA –300µA –250µA –200µA –150µA –100µA –50µA
–25˚C
–60
–40
–20
0 0 –2 –4 –6 –8 –10 –12 0 – 0.4 – 0.8 –1.2 –1.6 –2.0
Ambient temperature Ta (˚C)
Collector to emitter voltage VCE (V)
Base to emitter voltage VBE (V)
VCE(sat) — IC
Collector to emitter saturation voltage VCE(sat) (V)
–100 –30 –10 –3 –1 Ta=75˚C 25˚C –25˚C IC/IB=10 600
hFE — IC
300 VCE=–5V
fT — IE
VCB=–10V Ta=25˚C
Forward current transfer ratio hFE
500
Transition frequency fT (MHz)
–10 –30 –100
250
400 Ta=75˚C 300
200
25˚C –25˚C
150
– 0.3 – 0.1 – 0.03 – 0.01 – 0.1 – 0.3
200
100
100
50
–1
–3
–10
–30
–100
0 – 0.1 – 0.3
0 –1 –3 1 3 10 30 100
Collector current IC (mA)
Collector current IC (mA)
Emitter current IE (mA)
Cob — VCB
6
Collector output capacitance Cob (pF)
5
IE=0 f=1MHz Ta=25˚C
4
3
2
1
0 –1
–3
–10
–30
–100
Collector to base voltage VCB (V)
2
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