naina semiconductor ltd. 300z, 301z series 1 d-95, sector 63, noida C 201301, india ? tel: 012 0-4205450 ? fax: 0120-4273653 sales@nainasemi.com ? www.nainasemi.com 300w zener type power surge suppressor features ? glass passivated junction ? zener type suppressor ? superior clamping ability ? metric and unf thread type mechanical characteristics ? hermetically sealed do-9 outline ? external surfaces corrosion resistant & terminal so lderable ? weight: 16 grams ? torque setting: 3.5 nm applications ? voltage regulators ? voltage surge suppressors ? voltage clippers ordering table 300z 34.5 - 1 2 3 1 C wattage > 300z = 300w > 301z = 300w 2 C voltage (see voltage ratings table) 3 C tolerance > none = 20% > a = 10% > b = 5% all dimensions in mm
naina semiconductor ltd. 300z, 301z series 2 d-95, sector 63, noida C 201301, india ? tel: 012 0-4205450 ? fax: 0120-4273653 sales@nainasemi.com ? www.nainasemi.com (1) t c = 25 o c, t p = 1 ms (2) t c = 25 o c, i = max. i r = 5.0 ma electrical specifications (t c = 25 o c, unless otherwise noted) symbol parameters conditions 300z/301z units p z maximum zener power rating t c = 125 o c 300 w v z zener voltage range 34.5 C 150 v i r maximum leakage current @ test voltage level 5.0 m a thermal & mechanical specifications (t c = 25 o c, unless otherwise noted) symbol parameters 300z/301z units t j max. operating junction temperature range -40 to + 175 o c t stg max. storage temperature range -40 to +175 o c r thjc thermal resistance, junction to case 0.18 o c/w r thcs thermal resistance, case to sink 0.08 o c/w f mounting torque 33 to 37 nm w approximate weight 178 g voltage ratings (t c = 25 o c, unless otherwise noted) part numbers v z , nominal zener voltage vzsm, max. zener voltage @ max. zener current (i zsm ) v r , min. reverse voltage (2) tolerance @ test current i zt = 1.0 a v zsm @i zsm (1) (v) (v) (a) (v) (%) 300z34.5 301z34.5 34.5 54 550 23 20 300z50 301z50 50 78 380 35 20 300z75 301z75 75 117 250 52 20 300Z100 301z100 100 156 190 69 20 300z125 301z125 125 195 150 87 20 300z150 301z150 150 234 120 104 20 300z34.5a 301z34.5a 34.5 49 610 27 10 300z50a 301z50a 50 72 410 39 10 300z75a 301z75a 75 107 280 58 10 300Z100a 301z100a 100 143 210 78 10 300z125a 301z125a 125 179 160 98 10 300z150a 301z150a 150 215 140 117 10 300z34.5b 301z34.5b 34.5 47 630 28 5 300z50b 301z50b 50 68 440 41 5 300z75b 301z75b 75 102 290 61 5 300Z100b 301z100b 100 137 210 82 5 300z125b 301z125b 125 171 170 103 5 300z150b 301z150b 150 205 140 123 5
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