1N4148W, 1N4148WS SMALL SIGNAL DIODES .022 (0.55) SOD-123 (1N4148W) .112 (2.85) .100 (2.55) ¨ This diode is also available in other case styles including: the DO-35 case with the type designation 1N4148, the Mini-MELF case with the type designation LL4148, and the SOT-23 case with the type designation IMBD4148. max. .006 (0.15) max. .053 (1.35) .067 (1.70) .055 (1.40) MECHANICAL DATA 1N4148W Case: SOD-123 Plastic Case Weight: approx. 0.01 g Marking Code: A2 min. .010 (0.25) .012 (0.3) .112 (2.85) .100 (2.55) .076 (1.95) .065 (1.65) Cathode Mark SOD-323 (1N4148WS) max. .049 (1.25) max. .004 (0.1) 1N4148WS Case: SOD-323 Plastic Case Weight: approx. 0.004 g Marking Code: A2 max. .006 (0.15) Top View .059 (1.5) .043 (1.1) ¨ Silicon Epitaxial Planar Diode ¨ Fast switching diodes. Top View max. .004 (0.1) .152 (3.85) .140 (3.55) Cathode Mark FEATURES min. .010 (0.25) Dimensions in inches and (millimeters) MAXIMUM RATINGS Ratings at 25¡C ambient temperature unless otherwise specified. SYMBOL Reverse Voltage Peak Reverse Voltage Rectified Current (Average) Half Wave Rectification with Resist. Load at Tamb = 25 ¡C and f ³ 50 HZ Surge Forward Current at t < 1 s and Tj = 25 ¡C 1N4148W 1N4148WS UNIT VR 75 Volts VRM 100 Volts Io 150(1) mA IFSM 500 350 mA mA Ptot 400(1) 200(1) mW mW Power Dissipation at Tamb = 25 ¡C 1N4148W 1N4148WS VALUE Junction Temperature Tj 150 ¡C Storage Temperature Range TS Ð 65 to +150 ¡C NOTES: (1) Valid provided that electrodes are kept at ambient temperature 12/22/98 1N4148W, 1N4148WS ELECTRICAL CHARACTERISTICS Ratings at 25 ¡C ambient temperature unless otherwise specified SYMBOL MIN. TYP. MAX. UNIT Forward Voltage at IF=10 mA VF Ð Ð 1.0 Volts Leakage Current at VR = 20 V at VR = 75 V at VR = 20 V, Tj = 150 ¡C IR IR IR Ð Ð Ð Ð Ð Ð 25 5.0 50 nA mA mA Capacitance at VF = VR = 0 V Ctot Ð Ð 4 pF Voltage Rise when Switching On tested with 50 mA Pulses tp = 0.1ms, Rise Time < 30ns, fp = 5 to 100 kHZ Vfr Ð Ð 2.5 Volts Reverse Recovery Time from IF = 10 mA to IR = 1mA, VR = 6 V, RL = 100 W trr Ð Ð 4 ns RthJA RthJA Ð Ð Ð Ð 450(2) 650(2) ¡C/W ¡C/W hv 0.45 Ð Ð Ð Thermal Resistance Junction to Ambient Air 1N4148W 1N4148WS Rectification Efficiency at f = 100 MHZ, VRF = 2 V NOTES:: (2) Valid provided that electrodes are kept at ambient temperature Rectification Efficiency Measurement Circuit RATINGS AND CHARACTERISTICS CURVES 1N4148W, 1N4148WS RATINGS AND CHARACTERISTICS CURVES 1N4148W, 1N4148WS