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2SD1257-R 数据表(PDF) 3 Page - Guangdong Kexin Industrial Co.,Ltd

部件名 2SD1257-R
功能描述  NPN Transistors
PDF  3 Pages
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制造商  KEXIN [Guangdong Kexin Industrial Co.,Ltd]
网页  http://www.kexin.com.cn/index.asp
标志 KEXIN - Guangdong Kexin Industrial Co.,Ltd

2SD1257-R 数据表(HTML) 3 Page - Guangdong Kexin Industrial Co.,Ltd

  2SD1257-R Datasheet HTML 1Page - Guangdong Kexin Industrial Co.,Ltd 2SD1257-R Datasheet HTML 2Page - Guangdong Kexin Industrial Co.,Ltd 2SD1257-R Datasheet HTML 3Page - Guangdong Kexin Industrial Co.,Ltd  
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SMD Type
www.kexin.com.cn
3
Transistors
NPN Transistors
2SD1257
■
Typical Characterisitics
ton, tstg, tf — IC
Area of safe operation (ASO)
Rth(t) — t
10–4
10
10–3
10–1
10–2
0
1
1
3
102
104
10–2
10–1
1
10
103
102
(1) Without heat sink
(2) With a 50 × 50 × 2mm Al heat sink
(1)
(2)
Time t (s)
8
0
2
6
4
7
1
5
3
0.01
0.03
0.1
0.3
1
3
10
30
100
Pulsed tw=1ms
Duty cycle=1%
IC/IB=10(IB1=–IB2)
VCC=50V
TC=25˚C
tstg
tf
ton
Collector current IC (A)
1
10
100
1000
3
30
300
0.01
0.03
0.1
0.3
1
3
10
30
100
Non repetitive pulse
TC=25˚C
ICP
IC
t=0.5ms
10ms
300ms
1ms
Collector to emitter voltage VCE (V)



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