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2SD1257-P Datasheet(PDF) 2 Page - Guangdong Kexin Industrial Co.,Ltd |
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2SD1257-P Datasheet(HTML) 2 Page - Guangdong Kexin Industrial Co.,Ltd |
2 / 3 page SMD Type www.kexin.com.cn 2 Transistors NPN Transistors 2SD1257 ■ Typical Characterisitics PC I a T — C — VCE VCE(sat) — IC VCE(sat) — IC VBE(sat) — IC VBE(sat) — IC hFE — IC fT — IC Cob — VCB 0 6 1 0 40 120 80 140 20 100 60 0 50 40 30 20 10 (1) TC=Ta (2) With a 50 × 50 × 2mm Al heat sink (3) Without heat sink (PC=1.3W) (1) (2) (3) Ambient temperature Ta (˚C) 2 1 0 10 8 2 6 4 0 10 8 6 4 2 TC=25˚C IB=55mA 50mA 40mA 45mA 20mA 30mA 35mA 10mA 15mA 5mA Collector to emitter voltage VCE (V) 0.01 0.1 1 10 0.03 0.3 3 0.01 0.03 0.1 0.3 1 3 10 30 100 IC/IB=20 TC=100˚C 25˚C –25˚C Collector current IC (A) 3 1 0 . 0 1 0.1 0.03 0.3 0.01 0.03 0.1 0.3 1 3 10 (1) IC/IB=10 (2) IC/IB=20 TC=25˚C (1) (2) Collector current IC (A) 0 3 1 . 0 10 1 0.3 3 0.01 0.03 0.1 0.3 1 3 10 (1) IC/IB=10 (2) IC/IB=20 TC=25˚C (1) (2) Collector current IC (A) 0.01 0.1 1 10 0.03 0.3 3 0.01 0.03 0.1 0.3 1 3 10 30 100 IC/IB=20 TC=–25˚C 25˚C 100˚C Collector current IC (A) 0.01 0.1 1 10 0.03 0.3 3 1 3 10 30 100 300 1000 3000 10000 VCE=10V f=10MHz TC=25˚C Collector current IC (A) 0.1 1 10 100 0.3 3 30 1 3 10 30 100 300 1000 3000 10000 IE=0 f=1MHz TC=25˚C Collector to base voltage VCB (V) 0.01 0.1 1 10 0.03 0.3 3 1 3 10 30 100 300 1000 3000 10000 VCE=2V TC=100˚C 25˚C –25˚C Collector current IC (A) |
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