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MJE5850 Scheda tecnica(PDF) 4 Page - Motorola, Inc |
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MJE5850 Scheda tecnica(HTML) 4 Page - Motorola, Inc |
4 / 8 page MJE5850 MJE5851 MJE5852 4 Motorola Bipolar Power Transistor Device Data 1 INPUT Rcoil Lcoil VCC Vclamp RS = 0.1 Ω 1N4937 OR EQUIVALENT TUT SEE ABOVE FOR DETAILED CONDITIONS 20 1 0 PW Varied to Attain IC = 100 mA 2 –10 V t1 ICM tf Clamped tf t t Vclamp t2 TIME VCEM 1 2 TUT RL VCC t1 Adjusted to Obtain IC Test Equipment Scope — Tektronix 475 or Equivalent t1 ≈ Lcoil (ICM) VCC t2 ≈ Lcoil (ICM) VClamp VCEO(sus) RBSOA AND INDUCTIVE SWITCHING RESISTIVE SWITCHING – V adjusted to obtain desired IB1 + V adjusted to obtain desired VBE(off) + V 50 Ω 2 W INPUT 0 0.2 µF 0.0025 µF 0.1 µF 500 Ω 1/2 W 500 Ω 0.0033 µF 500 Ω 1/2 W + V 50 µF 0.1 µF MJE15029 1 2 1 Ω 2 W MJE15028 50 µF – V + – 1/2 W 1N4934 0.1 µF – + 500 Ω 1/2 W 0.2 µF IB1 adjusted to obtain the forced hFE desired TURN–OFF TIME Use inductive switching driver as the input to the resistive test circuit. IB1 1 2 TURN–ON TIME Lcoil = 80 mH, VCC = 10 V Rcoil = 0.7 Ω Lcoil = 180 µH Rcoil = 0.05 Ω VCC = 20 V VCC = 250 V RL = 62 Ω Pulse Width = 10 µs INDUCTIVE TEST CIRCUIT RESISTIVE TEST CIRCUIT OUTPUT WAVEFORMS Vclamp = 250 V RB adjusted to attain desired IB1 VCE IC Table 1. Test Conditions for Dynamic Performance tti Figure 7. Inductive Switching Measurements TIME IB VCE 90% IB1 tsr tc 10% VCEM Figure 8. Inductive Switching Times IC = 4 A IC/IB = 4 TJ = 25°C tc 100°C tsv 100°C tsv 25°C tc 25°C VBE, BASE–EMITTER VOLTAGE (VOLTS) 0 0.4 0.2 1.0 0.6 0.8 3 6 8 0 5 7 2 1 4 0 0.9 0.3 2.7 1.5 2.1 1.2 0.6 3.0 1.8 2.4 IC 10% ICM 2% ICM trv tfi 90% ICM ICM VCEM Vclamp |
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