BAS21LT1

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 = 25°C Derate above 25°C Thermal Resistance, Junction to Ambient Total Device Dissipation Alumina Substrate, (2) TA = 25°C Derate above 25°C Thermal Resistance, Junction to Ambient Junction and Storage Temperature Symbol PD Max 225 1.8 RθJA PD 556 300 2.4 RθJA TJ , Tstg 417 –55 to +150 Unit mW mW/°C °C/W mW mW/°C °C/W °C ELECTRICAL CHARACTERISTICS (T A = 25°C 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 µAdc OFF CHARACTERISTICS Reverse Voltage Leakage Current (V R = 200Vdc) (V R = 200Vdc, T J = 150°C) Reverse Breakdown Voltage (I BR = 100 µAdc) 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 Ω) 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 Ω 2.0 k 0.1µF tr tp 10% t IF t rr t 100 µH IF 0.1 µF 50 Ω OUTPUT PULSE GENERATOR D.U.T. 50 Ω 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 kΩ 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