MMBD4148 Surface Mount Switching Diode Elektronische Bauelemente RoHS Compliant Product A suffix of "-C" specifies halogen & lead-free FEATURES A L · · Fast Switching Speed · · For General Purpose Switching Applications Surface Mount Package Ideally Suited for Automatic Insertion 3 1 High Conductance Top View B S 2 V G 3 3 1 CATHODE ANODE C 1 2 H D J K MAXIMUM RATINGS Rating Symbol Value SOT-23 Unit Dim Min Max Reverse Voltage VR 75 Vdc Forward Current IF 300 mAdc A 2.800 3.040 IFM(surge) 500 mAdc B 1.200 1.400 C 0.890 1.110 D 0.370 0.500 Peak Forward Surge Current THERMAL CHARACTERISTICS Characteristic Symbol Max Unit G 1.780 2.040 PD 325 mW H 0.013 0.100 J 0.085 0.177 K 0.450 0.600 Total Device Dissipation FR– 5 Board(1) TA = 25°C Derate above 25°C Thermal Resistance, Junction to Ambient 1.8 RqJA 556 °C/W PD 300 mW L 0.890 1.020 S 2.100 2.500 2.4 mW/°C V 0.450 0.600 RqJA 417 °C/W TJ, Tstg – 55 to +150 °C Total Device Dissipation Alumina Substrate,(2) TA = 25°C Derate above 25°C Thermal Resistance, Junction to Ambient Junction and Storage Temperature mW/°C All Dimension in mm DEVICE MARKING MMBD4148 = 5D, KA2 ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) Characteristic Symbol Min Max Unit V(BR) 75 — Vdc — — 25 5.0 nAdc mAdc OFF CHARACTERISTICS Reverse Breakdown Voltage (IR = 100 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 — 1.25 Vdc Reverse Recovery Time (IF = IR = 10 mAdc) (Figure 1) trr — 4.0 ns 0.062 in. 0.024 in. 99.5% alumina. 1. FR– 5 = 1.0 0.75 2. Alumina = 0.4 0.3 http://www.SeCoSGmbH.com 01-Jun-2002 Rev. A Any changing of specification will not be informed individual Page 1 of 2 MMBD4148 Surface Mount Switching Diode Elektronische Bauelemente 820 Ω +10 V 2.0 k tr 0.1 µF tp IF 100 µH IF t trr 10% t 0.1 µF 90% DUT 50 Ω Input Sampling Oscilloscopes 50 Ω Output Pulse Generator IR(REC) = 1.0 mA IR VR Output Pulse (IF = IR = 10 mA; Measured at IR(REC) = 1.0 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 10 100 TA = 150°C TA = –40°C TA = 125°C 1.0 IR , Reverse Current (µA) I F, Forward Current (mA) TA = 85°C 10 TA = 25°C 1.0 TA = 85°C 0.1 TA = 55°C 0.01 TA = 25°C 0.1 0.2 0.4 0.6 0.8 1.0 0.001 1.2 0 10 20 30 VF, Forward Voltage (V) VR, Reverse Voltage (V) Figure 2. Forward Voltage Figure 3. Leakage Current 40 50 CD , Diode Capacitance (pF) 0.68 0.64 0.60 0.56 0.52 0 2.0 4.0 6.0 8.0 VR, Reverse Voltage (V) Figure 4. Capacitance http://www.SeCoSGmbH.com 01-Jun-2002 Rev. A Any changing of specification will not be informed individual Page 2 of 2