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| LESHAN RADIO COMPANY, LTD. High Voltage Switching Diode 3 CATHODE 1 ANODE BAS21LT1 3 MAXIMUM RATINGS Rating Continuous Reverse Voltage Peak Forward Current Peak Forward Surge Current Symbol VR IF I FM(surge) Value 250 200 625 Unit Vdc mAdc mAdc 1 2 CASE 318-08, STYLE 8 SOT-23 (TO-236AB) DEVICE MARKING BAS21LT1 = JS THERMAL CHARACTERISTICS Characteristic Total Device Dissipation FR- 5 Board, (1) TA = 25C Derate above 25C Thermal Resistance, Junction to Ambient Total Device Dissipation Alumina Substrate, (2) TA = 25C Derate above 25C Thermal Resistance, Junction to Ambient Junction and Storage Temperature Symbol PD Max 225 1.8 RJA PD 556 300 2.4 RJA TJ , Tstg 417 -55 to +150 Unit mW mW/C C/W mW mW/C C/W C ELECTRICAL CHARACTERISTICS (T A = 25C unless otherwise noted) Characteristic Symbol IR -- -- V (BR) VF -- -- CD t rr -- -- 1000 1250 5.0 50 pF ns 250 1.0 100 -- Vdc mV Min Max Unit Adc OFF CHARACTERISTICS Reverse Voltage Leakage Current (V R = 200Vdc) (V R = 200Vdc, T J = 150C) Reverse Breakdown Voltage (I BR = 100 Adc) Forward Voltage (I F = 100 mAdc) (I F = 200 mAdc) Diode Capacitance (V R = 0, f = 1.0 MHz) Reverse Recovery Time (I F = I R = 30mAdc, R L = 100 ) 1. FR-5 = 1.0 x 0.75 x 0.062 in. 2. Alumina = 0.4 x 0.3 x 0.024 in. 99.5% alumina. G3-1/2 LESHAN RADIO COMPANY, LTD. BAS21LT1 +10 V 820 2.0 k 0.1F tr tp 10% t IF t rr t 100 H IF 0.1 F 50 OUTPUT PULSE GENERATOR D.U.T. 50 INPUT SAMPLING OSCILLOSCOPE 90% V R INPUT SIGNAL IR i R(REC) = 3.0 mA OUTPUT PULSE (I F = I R = 30 mA; MEASURED at i R(REC) = 3.0 mA) Notes: 1. A 2.0 k variable resistor adjusted for a Forward Current (I F ) of 30 mA. Notes: 2. Input pulse is adjusted so I R(peak) is equal to 30 mA. Notes: 3. t p t rr Figure 1. Recovery Time Equivalent Test Circuit G3-2/2 |
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