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2SC4988 Datasheet(PDF) 2 Page - Hitachi Semiconductor |
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2SC4988 Datasheet(HTML) 2 Page - Hitachi Semiconductor |
2 / 8 page 2SC4988 2 Absolute Maximum Ratings (Ta = 25°C) Item Symbol Ratings Unit Collector to base voltage V CBO 15 V Collector to emitter voltage V CEO 9V Emitter to base voltage V EBO 1.5 V Collector current I C 100 mA Collector power dissipation P C 800* 1 mW Junction temperature Tj 150 °C Storage temperature Tstg –55 to +150 °C Note: 1. This value is allowed when using the alumina ceramics board (12.5 x 20 x 0.7 mm) Electrical Characteristics (Ta = 25°C) Item Symbol Min Typ Max Unit Test conditions Collector to base breakdown voltage V (BR)CBO 15 ——V I C = 10 µA, IE = 0 Collector cutoff current I CBO —— 1 µAV CB = 12 V, IE = 0 I CEO —— 1 mA V CE = 9 V, RBE = ∞ Emitter cutoff current I EBO —— 10 µAV EB = 1.5 V, IC = 0 DC current transfer ratio h FE 50 120 250 V CE = 5 V, IC = 20 mA Collector output capacitance Cob — 1.1 1.6 pF V CB = 5 V, IE = 0, f = 1 MHz Gain bandwidth product f T 5.5 8.5 — GHz V CE = 5 V, IC = 20 mA Power gain PG 7.5 10.5 — dB V CE = 5 V, IC = 20 mA, f = 900 MHz Noise figure NF — 1.3 2.5 dB V CE = 5 V, IC = 5 mA, f = 900 MHz Note: Marking is “FR”. Attention: This device is very sensitive to electro static discharge. It is recommended to adopt appropriate cautions when handling this transistor. |
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