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