maximum ratings (t a = 25c) rating symbol value unit reverse voltage LM1MA141WK v r 40 v dc lm1ma142wk 80 peak reverse voltage l m1ma141wk v rm 40 v dc lm1ma142wk 80 forward current single i f 100 madc dual 150 peak forward current single i fm 225 madc dual 340 peak forward surge current single i fsm (1) 500 madc dual 750 thermal characteristics rating symbol max unit power dissipation p d 150 mw junction temperature t j 150 c storage temperature t stg C55 ~ +150 c electrical characteristics (t a = 25c) characteristic symbol condition min max unit reverse voltage leakage current LM1MA141WK i r v r = 35 v 0.1 adc lm1ma142wk v r = 75 v 0.1 forward voltage v f i f = 100 ma 1.2 vdc reverse breakdown voltage LM1MA141WK v r i r = 100 a 40 vdc lm1ma142wk 80 diode capacitance c d v r =0, f=1.0 mhz 2.0 pf reverse recovery time t rr (2) i f =10ma,v r =6.0v 3.0 ns r l =100 ? ,i rr =0.1 i r 1. t = 1 sec 2. t rr test circuit this common cathode silicon epitaxial planar dual diode is designed for use in ultra high speed switching applications. this device is housed in the sot-323 package which is designed for low power surface mount applications. ? fast t rr , < 3.0 ns ? low c d , < 2.0 pf common cathode silicon dual switching diode sotC323 /sc C 70 sotC323 package common cathode dual switching diode 40/80 vC100 ma surface mount cathode 3 1 2 mt x marking symbol type no. 141wk142wk symbol mt mu the x represents a smaller alpha digit date code. the date code indicates the actual month in which the part was manufactured. anode z we declare that the material of product compliance with rohs requirements. marking : LM1MA141WK:mt lm1ma142wk :mu z z LM1MA141WK lm1ma142wk 2012-1 willas electronic corp. z
recovery time equivalent test circuit input pulse output pulse v f , forward voltage (volts) figure 1. forward voltage i r , reverse current ( a) i f , forward current (ma) c d , diode capacitance (pf) v r , reverse voltage (volts) figure 2. reverse current v r , reverse voltage (volts) figure 3. diode capacitance 2012-1 willas electronic corp. common cathode silicon dual switching diode LM1MA141WK lm1ma142wk
0.7 1.9 0.028 0.65 0.025 0.65 0.025 inches mm 0.075 0.035 0.9 2012-1 willas electronic corp. common cathode silicon dual switching diode LM1MA141WK lm1ma142wk sot - 323 dimensions in inches and (millimeters) .056(1.40) .047(1.20) .096(2.45) .078(2.00) .004(0.10)min. .010(0.25) .003(0.08) .043(1.10) .032(0.80) .016(0.40) .008(0.20) .004(0.10)max. .087(2.20) .070(1.80) .054(1.35) .045(1.15)
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