bas21 / a / c / s 225mw smd switching diode small signal diode ? surface device type mounting ? moisture sensitivity level 1 ? matte tin(sn) lead finish with nickel(ni) underplate ? pb free version and rohs compliant min max min max ? case :sot-23 small outline plastic package 2.80 3.00 0.110 0.118 1.20 1.40 0.047 0.055 0.30 0.50 0.012 0.020 1.80 2.00 0.071 0.079 2.25 2.55 0.089 0.100 0.90 1.20 0.035 0.043 package packing marking sot-23 3k / 7" reel js sot-23 3k / 7" reel js2 sot-23 3k / 7" reel js3 sot-23 3k / 7" reel js4 sot-23 3k / 7" reel js sot-23 3k / 7" reel js2 sot-23 3k / 7" reel js3 sot-23 3k / 7" reel js4 maximum ratings notes:1. test condition : 8.3ms single half sine-wave superimposed on rated load (jedec method) pulse width=1 sec notes:2. valid provided that electrodes are kept at ambient temperature c v -55 to + 150 625 1 500 ma ? terminal: matte tin plated, lead free., solderable per mil-std-202, method 208 guaranteed ? fast switching speed unit (mm) dimensions ? green compound (halogen free) with suffix "g" on packing code and prefix "g" on date code b c features mechanical data unit (inch) a d e f maximum ratings and electrical characteristics ? high temperature soldering guaranteed: 260 c/10s ? weight : 0.008gram (approximately) g pin configuration ordering information part no. ? marking code : js,js2,js3,js4 power dissipation 0.550 ref 0.022 ref p d 225 suggested pad layou t bas21c rfg bas21 rf bas21a rf repetitive peak forward current i frm mean forward current i o non-repetitive peak forward surge current (note 1) units mw 250 200 ma symbol type number value v rrm sot-23 junction and storage temperature range t j , t stg i fsm a thermal resistance (junction to ambient) (note 2) r ja c/w bas21c rf bas21s rf bas21s rfg repetitive peak reverse voltage bas21 rfg bas21a rfg rating at 25 c ambient temperature unless otherwise specified. bas21 bas21s bas21c bas21a b a c d 2.0 0.079 0.95 0.037 0.9 0.035 0.8 0.031 f e g version : c10
bas21 / a / c / s 225mw smd switching diode small signal diode electrical characteristics electrical characteristics i r = i f = i f = reverse leakage current v r = junction capacitance tape & reel specification reel width w1 12.30 0.20 d1 55 min feed hole width carrier length b 2.77 0.10 dimension(mm) carrier width a 3.15 0.10 item symbol reel inner diameter carrier depth c 1.22 0.10 1.50 0.10 reel outside diameter d 178 1 sprocket hole d 0.229 0.013 d2 13.0 0.20 sprocke hole position e 1.75 0.10 punch hole position sprocke hole pitch f 3.50 0.05 tape width w 8.10 0.20 p0 4.00 0.10 embossment center p1 2.00 0.05 overall tape thickness t - v r =1v, f=1.0mhz forward voltage reverse breakdown voltage 100 a 100ma 200ma 200v reverse recovery time i f =i r =10ma, r l =100 ? , i rr =1ma a pf ns 5 50.0 v (br) v f c j trr i r units v v v max min symbol type number - - 1.00 1.25 0.1 250 - - - t op co v e r t ape carieer tap e a n y additional label ( if required ) tsc label w1 d1 d2 d t c d p1 p0 a b f w e direction of feed version : c10
bas21 / a / c / s 225mw smd switching diode small signal diode rating and sharacteristic curves fig 2 reverse current vs junction temperature 0.01 0.1 1 10 100 0 40 80 120 160 200 reverse current (ua) fig 3 admissible power dissipation curve 0 50 100 150 200 250 0 25 50 75 100 125 150 175 200 power dissipation (mw) ambient temperature (c) instantaneous forward voltage (v) ta=25c fig 1 typical forward characteristics 0.01 0.1 1 10 100 1000 0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 instantaneous forward current (ma) t j ,junction temperature (c) t a =25 o c inataneous forward voltage (v) v r =200v version : c10
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