1N4148WS, 1N4448WS SURFACE MOUNT SWITCHING DIODES 75 Volts POWER 200 mWatts PACKAGE SOD-323 FEATURES • Fast switching speed. • Surface mount package Ideally Suited for Automatic insertion • Electrically Identical to Standard JEDEC • High Conductance MECHANICAL DATA Case: SOD-323, Plastic Terminals: Solderable per MIL-STD-202, Method 208 Approx. Weight: 0.008 gram Marking: A2, A3 MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25OC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. PARAMETER SYMBOL 1N4148WS 1N4448WS UNITS Reverse Voltage VR 75 75 V Peak Reverse Voltage VRM 100 100 V Rectified Current (Average), Half Wave Rectification with Resistive Load and f >=50 Hz IO 150 150 mA Peak Forward Surge Current, 8.3ms single half sine-wave superimposed on rated load (JEDEC method) IFSM 2.0 4.0 A Power Dissipation Derate Above 25OC PTOT 200 200 mW Maximum Forward Voltage VF 1 @ IF=10mA 0.72 @ IF=5mA 1 @ IF=10mA V Maximum DC Reverse Current at Rated DC Blocking Voltage TJ= 25OC IR 2.5 2.5 µA Typical Junction Capacitance( Notes1) C Jo t 4.0 4.0 pF Maximum Reverse Recovery (Notes2) TRR 4.0 4.0 ns Maximum Thermal Resistance Storage Temperature Range RθJA 357 TJ -55 TO +125 O C/W O C NOTE: 1. CJ at VR=0, f=1MHZ 2.From IF=10mA to IR=1mA, VR=6Volts, RL=100Ω www.ps-pfs.com Part Number: 1N4148WS, 1N4448WS PAGE 1 RATING and CHARACTERISTIC CURVES 10 TA=150OC REVERSE CURRENT, mA FORWARD CURRENT, mA 10 1.0 0.1 TA=125OC 1.0 O TA=85 C 0.1 O TA=55 C 0.01 O TA=25 C 0.001 0.01 0.2 0.6 0.4 0.8 1.0 1.2 0 10 20 30 40 50 REVERSE VOLTAGE, Volts FORWARD VOLTAGE, Volts LEAKAGE CURRENT FORWARD VOLTAGE DIODE CAPACITANCE, pF 6.0 4.5 60 W 3.5 VRF=2V 2nF 5k W Vo 1.5 0 0 2 4 6 8 RECTIFICATION EFFCIENCY MEASUREMENT CIRCUIT REVERSE VOLTAGE, Volts TYPICAL CAPATICANCE www.ps-pfs.com Part Number: 1N4148WS, 1N4448WS PAGE 2 OUTLINE DRAWING www.ps-pfs.com Part Number: 1N4148WS, 1N4448WS PAGE 3