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| 1n746...1n759 silicon planar zener diodes standard zener voltage tolerance is 10%. add suffix "a" for 5% tolerance. other tolerances, non- standard and higher zener voltages are upon request. absolute maximum ratings (t a = 25 o c) parameter symbol value unit power dissipation p tot 500 1) mw junction temperature t j 175 o c storage temperature range t stg - 65 to + 175 o c 1) valid provided that leads are kept at ambient temperature at a distance of 8 mm from case characteristics at t a = 25 o c parameter symbol max. unit thermal resistance junction to ambient air r tha 0.3 1) k/mw forward voltage at i f = 200 ma v f 1.2 v 1) valid provided that leads are kept at ambient temperature at a distance of 8 mm from case. max. 3.9 max. 1.9 glass case do-35 max. 0.5 min. 27.5 min. 27.5 xxx cathode band part no. st "st" brand dimensions in mm black black black 1 of 2 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification semtech
type zener voltage range 1) maximum zener impedance maximum reverse leakage current 2) i r at v r = 1 v maximum regulator current i zm (ma) v znom (v) l zt (ma) z zt ( ? ) at i zt t a = 25 o c t a = 150 o c i r (a) i r (a) 1n746 3.3 20 28 10 30 110 1n747 3.6 20 24 10 30 100 1n748 3.9 20 23 10 30 95 1N749 4.3 20 22 2 30 85 1n750 4.7 20 19 2 30 75 1n751 5.1 20 17 1 20 70 1n752 5.6 20 11 1 20 65 1n753 6.2 20 7 0.1 20 60 1n754 6.8 20 5 0.1 20 55 1n755 7.5 20 6 0.1 20 50 1n756 8.2 20 8 0.1 20 45 1n757 9.1 20 10 0.1 20 40 1n758 10 20 17 0.1 20 35 1n759 12 20 30 0.1 20 30 1) tested with pulses tp = 20 ms 2) valid provided that leads are k ept at ambient temperature at a distance of 8 mm from case. ambient temperature: ta ( c) o 0 25 100 150 0 100 200 300 power dissipation: ptot (mw) 400 500 200 power derating curve 1n746...1n759 silicon planar zener diodes 2 of 2 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification semtech |
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