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BF494B データシート(PDF) 2 Page - NXP Semiconductors |
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BF494B データシート(HTML) 2 Page - NXP Semiconductors |
2 / 8 page 1997 Jul 08 2 Philips Semiconductors Product specification NPN medium frequency transistors BF494; BF495 FEATURES • Low current (max. 30 mA) • Low voltage (max. 20 V). APPLICATIONS • HF applications in radio and television receivers • FM tuners • Low noise AM mixer-oscillators • IF amplifiers in AM/FM receivers. DESCRIPTION NPN medium frequency transistor in a TO-92; SOT54 plastic package. PINNING PIN DESCRIPTION 1 base 2 emitter 3 collector Fig.1 Simplified outline (TO-92; SOT54) and symbol. handbook, halfpage1 3 2 MAM258 3 1 2 QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT VCBO collector-base voltage open emitter − 30 V VCEO collector-emitter voltage open base − 20 V ICM peak collector current − 30 mA Ptot total power dissipation Tamb ≤ 25 °C − 300 mW hFE DC current gain IC = 1 mA; VCE =10V BF494 67 220 BF495 35 125 fT transition frequency IC = 1 mA; VCE = 10 V; f = 100 MHz 120 − MHz |
同様の部品番号 - BF494B |
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同様の説明 - BF494B |
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