by228 www.vishay.com vishay semiconductors rev. 1.8, 12-sep-12 1 document number: 86003 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 standard avalanche sinterglass diode mechanical data case: sod-64 terminals: plated axial leads, solderable per mil-std-750, method 2026 polarity: color band denotes cathode end mounting position: any weight: approx. 858 mg features ? glass passivated junction ? hermetically sealed package ? material categorization: ? for definitions of co mpliance please see www.vishay.com/doc?99912 applications ? high voltage rectification ? efficiency diode in horizontal deflection circuit ? ? ? ? ? ? ? ? 949588 ordering information (example) device name ordering code tape d units minimum order quantity by228 by228tr 2500 per 10" tape and reel 12 500 by228 BY228TAP 2500 per ammopack 12 500 parts table part type differentiation package by228 v r = 1500 v; i f(av) = 3 a sod-64 absolute maximum ratings (t amb = 25 c, unless otherwise specified) parameter test condition part symbol value unit reverse voltage see electrical characteristics by228 v r 1500 v repetitive peak reverse voltage l r = 100 a v rrm 1650 v peak forward surge current t p = 10 ms, half sine wave i fsm 50 a average forward current i f(av) 3a junction temperature t j 140 c storage temperature range t stg - 55 to + 175 c non repetitive reverse avalanche energy l (br)r = 0.4 a e r 10 mj maximum thermal resistance (t amb = 25 c, unless otherwise specified) parameter test condition symbol value unit junction ambient on pc board with spacing 25 mm r thja 70 k/w
by228 www.vishay.com vishay semiconductors rev. 1.8, 12-sep-12 2 document number: 86003 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 typical characteristics (t amb = 25 ? c, unless otherwise specified) fig. 1 - typ. thermal re sistance vs. lead length fig. 2 - forward current vs. forward voltage fig. 3 - max. average forward current vs. ambient temperature fig. 4 - reverse current vs. junction temperature electrical characteristics (t amb = 25 c, unless otherwise specified) parameter test condition symbol min. typ. max. unit forward voltage i f = 5 a v f --1.5v reverse current v r = 1500 v i r -25a v r = 1500 v, t j = 140 c i r - - 140 a total reverse recovery time i f = 1 a, - di f /dt = 0.05 a/s t rr - - 20 s reverse recovery time i f = 0.5 a, i r = 1 a, i r = 0.25 a t rr --2s 94 9081 ll t l = con s tant r thja - ther. re s i s t. junction/ambient (k/w) l - lead length (mm) 0 10 20 30 40 15 10 5 0 202530 0.001 0.01 0.1 1 10 100 0.0 0.5 1.0 1.5 2.0 2.5 3.0 16407 v f - forward voltage (v) i f - forward current (a) 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 16408 075 50 25 125 100 150 t amb - ambient temperature (c) i fav - average forward current (a) v r = v rrm half s ine wave r thja = 25 k/w l = 10 mm r thja = 70 k/w pcb: d = 25 mm 1 10 100 1000 25 50 75 100 125 150 16409 t j - junction temperature (c) i r - rever s e current (a) v r = v rrm
by228 www.vishay.com vishay semiconductors rev. 1.8, 12-sep-12 3 document number: 86003 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 fig. 5 - max. reverse power dissipation vs. junction temperature fig. 6 - diode capacitance vs. reverse voltage package dimensions in millimeters (inches): sod-64 0 50 100 150 200 250 300 350 25 50 75 100 125 150 16410 t j - junction temperature (c) p r - rever s e power di ss ipation (mw) v r = v rrm p r - limit at 100 % v r p r - limit at 80 % v r 0 10 20 30 40 50 60 70 0.1 1 10 100 16411 v r - rever s e voltage (v) c d - diode capacitance (pf) f = 1 mhz cathode identification 4.3 (0.168) max. 1.35 (0.053) max. 4 (0.156) max. sintered glass case sod-64 26(1.014) min. 26 (1.014) min. document-no.: 6.563-5006.4-4 rev. 3 - date: 09.february.2005 94 9587
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