LESHAN RADIO COMPANY, LTD. High−Speed Switching Diode LMBD914LT1 Features • Pb−Free Package May be Available. The G−Suffix Denotes a Pb−Free Lead Finish 3 1 MAXIMUM RATINGS Symbol Value Unit Reverse Voltage VR 100 Vdc Forward Current IF 200 mAdc IFM(surge) 500 mAdc Symbol Max Unit PD 225 mW 1.8 mW/°C RqJA 556 °C/W PD 300 Rating Peak Forward Surge Current 2 SOT-23 THERMAL CHARACTERISTICS Characteristic Total Device Dissipation FR–5 Board (Note 1.) TA = 25°C Derate above 25°C Total Device Dissipation Alumina Substrate (Note 2.) TA = 25°C Derate above 25°C 5D mW 5D = Device Code 2.4 mW/°C Thermal Resistance, Junction to Ambient RqJA 417 °C/W Junction and Storage Temperature Range TJ, Tstg –55 to +150 °C ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) Symbol Min Max ORDERING INFORMATION Device LMBD914LT1 V(BR) Package Shipping† SOT−23 3000/Tape & Reel SOT−23 (Pb−Free) 3000/Tape & Reel Unit OFF CHARACTERISTICS Reverse Breakdown Voltage (IR = 100 mAdc) 1 ANODE MARKING DIAGRAM Thermal Resistance, Junction to Ambient Characteristic 3 CATHODE 100 – Vdc – – 25 5.0 nAdc mAdc Reverse Voltage Leakage Current (VR = 20 Vdc) (VR = 75 Vdc) IR Diode Capacitance (VR = 0, f = 1.0 MHz) CT – 4.0 pF Forward Voltage (IF = 10 mAdc) VF – 1.0 Vdc Reverse Recovery Time (IF = IR = 10 mAdc) (Figure 1) trr – 4.0 ns LMBD914LT1G 1. FR–5 = 1.0 0.75 0.062 in. 2. Alumina = 0.4 0.3 0.024 in. 99.5% alumina. LMBD914LT1-1/3 LESHAN RADIO COMPANY, LTD. LMBD914LT1 820 Ω +10 V 2k 0.1 µF 100 µH tp tr IF 0.1 µF IF t trr 10% t DUT 50 Ω OUTPUT PULSE GENERATOR 50 Ω INPUT SAMPLING OSCILLOSCOPE 90% iR(REC) = 1 mA IR VR OUTPUT PULSE (IF = IR = 10 mA; measured at iR(REC) = 1 mA) INPUT SIGNAL Notes: 1. A 2.0 kΩ variable resistor adjusted for a Forward Current (IF) of 10 mA. Notes: 2. Input pulse is adjusted so IR(peak) is equal to 10 mA. Notes: 3. tp » trr Figure 1. Recovery Time Equivalent Test Circuit TA = 85°C I R , REVERSE CURRENT (m A) 10 TA = -40°C 10 TA = 25°C 1.0 0.1 0.2 0.4 0.6 0.8 1.0 TA = 125°C 1.0 TA = 85°C 0.1 TA = 55°C 0.01 0.001 1.2 TA = 150°C TA = 25°C 10 0 20 30 40 VF, FORWARD VOLTAGE (VOLTS) VR, REVERSE VOLTAGE (VOLTS) Figure 2. Forward Voltage Figure 3. Leakage Current 50 0.68 C D , DIODE CAPACITANCE (pF) I F, FORWARD CURRENT (mA) 100 0.64 0.60 0.56 0.52 0 2.0 4.0 6.0 8.0 VR, REVERSE VOLTAGE (VOLTS) Figure 4. Capacitance LMBD914LT1–2/3 LESHAN RADIO COMPANY, LTD. LMBD914LT1 SOT-23 NOTES: A 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. L 3 1 V 2 B S DIM G A B C D G H J K L S V 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 LMBD914LT1-3/3