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| LESHAN RADIO COMPANY, LTD. Monolithic Dual Switching Diodes FETURE * Pb-Free Package is available. ORDERING INFORMATION Device LMBD2837LT1 LMBD2837LT1G LMBD2838LT1 LMBD2838LT1G Rating Peak Reverse Voltage D.C Reverse Voltage Peak Forward Current Average Rectified Current LMBD2837LT1 LMBD2838LT1 LMBD2837LT1 LMBD2838LT1 Shipping 3000/Tape&Reel 3000/Tape&Reel 3000/Tape&Reel 3000/Tape&Reel Symbol V RM V R Marking A5 A5(Pb-Free) MA6 MA6(Pb-Free) 3 1 2 MAXIMUM RATINGS(EACH DIODE) Value 75 30 50 450 300 150 100 Unit Vdc Vdc mAdc mAdc 3 CATHODE ANODE 1 2 ANODE SOT- 23 (TO-236AB) I FM IO THERMAL CHARACTERISTICS Characteristic Total Device Dissipation FR- 5 Board (1) T A = 25C Derate above 25C Thermal Resistance, Junction to Ambient Total Device Dissipation Alumina Substrate, (2) T A = 25C Derate above 25C Thermal Resistance, Junction to Ambient Junction and Storage Temperature Symbol PD Max 225 1.8 556 300 2.4 417 -55 to +150 Unit mW mW/C C/W mW mW/C C/W C R JA PD R JA T J , T stg DEVICE MARKING LMBD2837LT1 = A5; LMBD2838LT1 = MA6 ELECTRICAL CHARACTERISTICS (T A = 25C unless otherwise noted) ( EACH DIODE ) Characteristic Symbol V (BR) IR LMBD2837LT1 LMBD2838LT1 -- -- -- -- -- Min 35 75 -- -- Max -- -- Adc 0.1 0.1 4.0 1.0 1.0 1.2 4.0 pF Vdc Unit Vdc OFF CHARACTERISTICS Reverse Breakdown Voltage(I (BR) = 100Adc) LMBD2837LT1 LMBD2838LT1 Reverse Voltage Leakage Current (V R = 30 Vdc) (V R = 50 Vdc) Diode Capacitance CT (V R = 0 V, f = 1.0 MHz) Forward Voltage(I F = 10 mAdc) VF (I F = 50 mAdc) (I F = 100 mAdc) Reverse Recovery Time(I F=I R=10mAdc,I R(REC)=1.0mAdc)(Figure 1) t rr 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. ns G21-1/3 LESHAN RADIO COMPANY, LTD. LMBD2837LT1 LMBD2838LT1 +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 DUT 50 INPUT SAMPLING OSCILLOSCOPE 90% i R(REC) = 1.0 mA INPUT SIGNAL V R IR OUTPUT PULSE (I F = I R = 10 mA; MEASURED at i R(REC) = 1.0 mA) Notes: 1. A 2.0 k variable resistor adjusted for a Forward Current (I F ) of 10mA. Notes: 2. Input pulse is adjusted so I R(peak) is equal to 10mA. Notes: 3. t p t rr Figure 1. Recovery Time Equivalent Test Circuit CURVES APPLICABLE TO EACH CATHODE 100 10 I F , FORWARD CURRENT (mA) T A = 85C 10 I R, REVERSE CURRENT ( A) T A =150C T A =125C 1.0 T A= -40C T A =85C 0.1 T A = 25C 1.0 T A =55C 0.01 0.1 0.2 0.4 0.6 0.8 1.0 1.2 0.001 0 10 T A =25C 20 30 40 50 V F , FORWARD VOLTAGE (VOLTS) V R , REVERSE VOLTAGE (VOLTS) Figure 2. Forward Voltage Figure 3. Leakage Current 1.0 C D , DIODE CAPACITANCE (pF) 0.9 0.8 0.7 0.6 0 2.0 4.0 6.0 8.0 V R , REVERSE VOLTAGE (VOLTS) Figure 4. Capacitance G21-2/3 LESHAN RADIO COMPANY, LTD. LMBD2837LT1 LMBD2838LT1 SOT-23 NOTES: A L 3 1 2 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. BS DIM A B C D G H J K L S V V G C D H K J INCHES MIN MAX 0.1102 0.1197 0.0472 0.0551 0.0350 0.0440 0.0150 0.0200 0.0701 0.0807 0.0005 0.0040 0.0034 0.0070 0.0140 0.0285 0.0350 0.0401 0.0830 0.1039 0.0177 0.0236 MILLIMETERS MIN MAX 2.80 3.04 1.20 1.40 0.89 1.11 0.37 0.50 1.78 2.04 0.013 0.100 0.085 0.177 0.35 0.69 0.89 1.02 2.10 2.64 0.45 0.60 PIN 1. ANODE 2. NO CONNECTION 3. CATHODE 0.037 0.95 0.037 0.95 0.079 2.0 0.035 0.9 0.031 0.8 inches mm G21-3/3 |
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