전자부품 데이터시트 검색엔진 |
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BC490 데이터시트(PDF) 4 Page - Motorola, Inc |
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BC490 데이터시트(HTML) 4 Page - Motorola, Inc |
4 / 6 page BC490,A 4 Motorola Small–Signal Transistors, FETs and Diodes Device Data VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS) –1.0 k –1.0 –2.0 –5.0 Figure 6. Active Region, Safe Operating Area CURRENT LIMIT THERMAL LIMIT SECOND BREAKDOWN LIMIT –700 –500 –300 –200 –100 –70 –50 –30 –20 –10 –3.0 –10 –20 –50 –30 –7.0 –70 –100 BC490 100 µs 1.0 ms 1.0 s TC = 25°C TA = 25°C IC, COLLECTOR CURRENT (mA) Figure 7. “On” Voltages 1.0 0.8 0.6 0.4 0.2 0 0.5 1.0 200 20 TJ = 25°C VBE(on) @ VCE = 1.0 V VCE(sat) @ IC/IB = 10 5.0 10 50 100 VBE(sat) @ IC/IB = 10 2.0 500 IC, COLLECTOR CURRENT (mA) Figure 8. Collector Saturation Region 1.0 0.8 0.6 0.4 0.2 0 0.1 10 1.0 TJ = 25°C IC = 10 mA 0.05 0.2 0.5 2.0 5.0 20 100 mA 250 mA 50 mA 50 500 mA IC, COLLECTOR CURRENT (mA) Figure 9. Base–Emitter Temperature Coefficient –0.8 –2.8 1.0 100 10 R θVB for VBE 0.5 2.0 5.0 20 50 200 –1.2 –1.6 –2.0 –2.4 500 Figure 10. DC Current Gain IC, COLLECTOR CURRENT (mA) 400 –0.5 –0.7 –1.0 –2.0 –3.0 –5.0 –7.0 –10 –20 –30 –50 –70 –100 –200 200 100 80 60 40 TJ = 125°C 25 °C –55 °C VCE = –1.0 V –300 –500 |
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