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2SA872 Datasheet(PDF) 2 Page - Hitachi Semiconductor |
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2SA872 Datasheet(HTML) 2 Page - Hitachi Semiconductor |
2 / 7 page 2SA872, 2SA872A 2 Absolute Maximum Ratings (Ta = 25°C) Item Symbol 2SA872 2SA872A Unit Collector to base voltage V CBO –90 –120 V Collector to emitter voltage V CEO –90 –120 V Emitter to base voltage V EBO –5 –5 V Collector current I C –50 –50 mA Collector power dissipation P C 300 300 mW Junction temperature Tj 150 150 °C Storage temperature Tstg –55 to +150 –50 to +150 °C Electrical Characteristics (Ta = 25°C) 2SA872 2SA872A Item Symbol Min Typ Max Min Typ Max Unit Test conditions Collector to emitter breakdown voltage V (BR)CEO –90 — — –120 — — V I C = –1 mA, RBE = ∞ Collector cutoff current I CBO — — –0.5 — — — µAV CB = –75 V, IE = 0 — — — — — –0.5 µAV CE = –100 V, IE = 0 DC current tarnsfer ratio h FE1* 1 250 — 800 250 — 800 V CE = –12 V, I C = –2 mA h FE2 160 — — 160 — — V CE = –12 V, I C = –0.1 mA Base to emitter voltage V BE — — –0.75 — — –0.75 V V CE = –12 V, I C = –2 mA Collector to emitter saturation voltage V CE(sat) — — –0.5 — — –0.5 V I C = –10 mA, I B = –1 mA Gain bandwidth product f T — 120 — — 120 — MHz V CE = –12 V, I C = –2 mA Collector output capacitance Cob — 1.8 — — 1.8 — pF V CB = –25 V, IE = 0, f = 1 MHz Noise figure NF — — 5.0 — — 5.0 dB V CE = –6 V, I C = –50 µA R g = 50 kΩ f = 10 Hz — — 1.5 — — 1.5 dB f = 1 kHz Note: 1. The 2SA872/A is grouped by h FE1 as follows. DE 250 to 500 400 to 800 |
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