gf20ah thru gf20mh surface mount glass passivated junction rectifier reverse voltage - 50 to 1000 volts forward current - 2.0 amperes features mechanical data case : jedec do-214aa molded plastic over passivated chip terminals : tin plated, solderable per mil-std-750, method 2026 polarity : color band denotes cathode end weight : 0.003 ounes , 0.093 gram maximum ratings and electrical characteristics ratings at 25 o c ambient temperature unless otherwise specified. maximum repetitive peak reverse voltage maximum rms voltage maximum average forward rectified current (see fig.1) peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) maximum instantaneous forward voltage at 2.0 a maximum dc reverse current at rated dc blocking voltage t a =25 o c t a =125 o c t a =150 o c typical junction capacitance (note 1) typical thermal resistance (note 2) operating junction and storage temperature range symbols v rrm v rms v dc i (av) i fsm v f i r c j r ja r jl t j ,t stg gf20 ah bh dh gh jh kh mh 50 100 200 400 600 800 1000 35 70 140 280 420 560 700 2.0 65 1.0 5 30 80 25 53 16 -65 to +175 units volts volts maximum dc blocking voltage 50 100 200 400 600 800 1000 volts volts amps amps ua pf o c / w o c smb/do-214aa *dimensions in inches and (millimeters) patented * halogen-free type * gprc (glass passivated rectifier chip) inside * glass passivated cavity-free junction * ideal for surface mount automotive applications * built-in strain relief * easy pick and place * high temperature soldering guaranteed: 260 o c/10 seconds, at terminals * plastic package has underwriters laboratory flammability classification 94v-0 notes : (1) measured at 1.0 mhz and applied reverse voltage of 4.0 volts (2) thermal resistance from junction to ambient and from junction to lead p.c.b. mounted on 0.2 x 0.2" (5.0 x 5.0mm) copper pad areas tm zowie technology corporation rev. 0 0.150(3.80) 0.130(3.30) 0.096(2.43) 0.079(2.00) 0.055(1.40) 0.039(1.0) 0.016(0.40) 0.006(0.15) 0.187(4.75) 0.167(4.24) 0.087(2.20) 0.075(1.90) 0.236(6.00) 0.197(5.00)
ratings and characteristic curves gf20ah thru gf20mh fig.1 - forward current derating curve fig.3 - typical instantaneous forward characteristics average forward rectified current, amperes 2.00 1.50 1.25 1.00 0.75 0.50 iinstantaneous forward current, amperes 0.10 1.00 10.00 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0.25 0 25 50 75 100 125 150 175 60hz resistive or inductive load pulse width=300us 1% duty cycle lead temperature, o c instantaneous forward voltage, volts fig.2 - maximum non-repetitive peak forward surge current peak forward surge current, amperes number of cycles at 60hz 8.3ms single half sine-wave (jedec method) 10 20 40 60 80 100 1 10 100 transient thermal impedance( o c/w) 0.1 1 10 100 fig.5 - typical junction capacitance fig.6 - typical transient thermal impedance reverse voltage, volts .1 1 junction capacitance, pf 40 200 .2 .4 1.0 2 4 10 20 40 100 t , pulse duration, sec 100 10 1.0 0.10 0.01 2 4 10 6 20 60 100 zowie technology corporation rev. 0 fig.4 - typical reverse characteristics percent of rated peak reverse voltage,% instantaneous reverse leakage current, microamperes 0.1 0 20 1 10 100 tj = 25 o c tj = 25 o c tj = 125 o c tj = 150 o c 40 60 80 100 110
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