Frontier Electronics Corp. 667 E. COCHRAN STREET, SIMI VALLEY, CA 93065 TEL: (805) 522-9998 FAX: (805) 522-9989 E-mail: [email protected] Web: http://www.frontierusa.com MINI MELF SILICON EPITAXIAL PLANAR DIODE MM4148 FEATURES z FAST SWITCHING z MINI MELF SIZE SOLDERABLE ENDS 1.45±0.15 MECHANICAL DATA z CASE: GLASS, DO-213AA (GL34), DIMENSIONS IN MILLIMETERS z LEADS: SOLDERABLE PER MIL-STD-202, METHOD 208 z POLARITY: CATHODE INDICATED BY COLOR BAND z WEIGHT: 0.036 GRAMS RATINGS 0.35±0.15 3.5±0.2 SYMBOL MM4148 REVERSE VOLTAGE VR 75 UNITS V PEAK REVERSE VOLTAGE VRM 100 V IO 150 mA SURGE FORWARD CURRENT AT T＜1 s AND TJ＝25℃ IFSM 500 mA POWER DISSIPATION AT Tamb=25℃ RECTIFIED CURRENT（AVERAGE） HALF WAVE RECTIFICATION WITH RESIST LOAD AT Tamb＝25℃ AND f ≧ 50HZ （NOTE 1） PTOT 500 mW JUNCTION TEMPERATURE TJ 200 ℃ STORAGE TEMPERATURE RANGE TS - 55 TO + 200 ℃ CHARACTERISTICS TJ=25℃ FORWARD VOLTAGE AT IF=10mA SYMBOL MIN TYP MAX UNITS VF - - 1 V LEAKAGE CURRENT AT VR=20V IR - - 25 nA AT VR=75V IR - - 5 μA AT VR=20V TJ=150℃ IR - - 50 μA REVERSE BREAKDOWN VOLTAGE VR 100 - - V CAPACITANCE AT VF=VR=0 CTOT - - 4 PF VOLTAGE RISE WHEN SWITCHING ON VFR - - 2.5 V TRR - - 4 nS RTHA - - 0.35 K / mW ηV 0.45 - - - TESTED WITH 100μA PULSES TESTED WITH 50mA FORWARD PULSES TP=0.1μS RISE TIME＜30ns FP=5 TO 100 KHZ REVERSE RECOVERY TIME FROM IF=10mA TO IR=1mA VR=6V RL=100Ω THERMAL RESISTANCE JUNCTION TO AMBIENT AIR（NOTE 1） RECTIFICATION EFFICIENCY AT f=100 MHZ VRF=2V NOTE: 1. LEADS KEPT AT AMBIENT TEMP. MM4148 Page: 1 RATINGS AND CHARACTERISTIC CURVE MM4148 mA FIG. 1-FORWARD CHARACTERISTIC 103 Ω 4 FIG. 2-DYNAMIC FORWARD RESISTANCE VERSUS FORWARD CURRENT 10 5 102 Tj=25OC f=1KHz 2 IF o o Tj=25 C Tj=100 C rf 10 10 3 5 2 10 1 2 5 2 10-1 10 5 10 2 -2 1 0 1 2 10 -2 10 -1 1 10 2 IF VF FIG. 3-ADMISSIBLE POWER DISSIPATION VERSUS AMBIENT TEMPERATURE Valid provided that leads at a distance of 8mm from case are kept at ambient temperature Mw 1000 Ptot 10 FIG. 4-RELATIVE CAPACITANCE VERSUS REVERSE VOLTAGE 1.1 900 Ctot(VR) 800 Ctot(0V) Tj=25OC f=1MHz 1.0 700 0.9 600 500 0.8 400 300 200 0.7 100 0 0 0 MM4148 100 Tamb 200OC 2 4 6 VR 8 Page: 2 10 mA RATINGS AND CHARACTERISTIC CURVE MM4148 FIG. 5-LEAKAGE CURRENT VERSUS JUNCTION TEMPERATURE nA 104 FIG. 6-ADMISSIBLE REPETITIVE PEAK FORWARD CURRENT VERSUS PULSE DURATION Valid provided that leads at a distance of 8mm from case are kept at ambient temperature A 100 I 5 4 5 ν =tp/T T=1/ fp 3 2 2 103 IR IFRM 5 10 2 5 4 102 3 2 5 1 2 5 4 10 IFRM =0 ν tp t T 0.1 0.2 0.5 3 2 5 2 0.1 -5 10 1 0 o 100 200 C 2 5 10 -4 2 5 10 -3 2 5 10 -2 2 5 10 -1 2 5 tp Tj MM4148 Page: 3 1 2 5 10 S