lh1521bactr www.vishay.com vishay semiconductors rev. 1.6, 03-aug-11 1 document number: 83820 for technical questions, contact: optocoupleranswers@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 dual 1 form b solid-state relay description the lh1521 dual 1 form b relays are spst normally closed switches that can replace electromechanical relays in many applications. the relays are constructed as a multi chip hybrid device. actuation control is via an infrared led. the output switch is a combination of a photodiode array with mosfet switches and control circuity. features ? dual channel (lh1501) ? isolation test voltage 3750 v rms ? typical r on 20 ? ? load voltage 350 v ? load current 150 ma ? high surge capability ? clean bounce free switching ? low power consumption ? smd lead availabl e on tape and reel ? compliant to rohs directive 2002/95/ec and in accordance to weee 2002/96/ec applications ? general telecom switching - on/off hook control - ring delay - dial pulse - ground start - ground fault protection ? instrumentation ? industrial controls 86 75 13 24 s 2' s 2 s 1 s 1' s 2' s 2 s 1 s 1' i179034_11 smd agency approvals ul1577: file no. e52744 system code h, double protection csa: certification no. 093751 din en: 60747-5-2 (vde 0884)/60747-5-5 (pending), available with option 1 fimko: 25419 ordering information lh1521b##tr part number electr. variation package config. tape and reel package ul, csa, fimko smd-8, tape and reel lh1521bactr > 0.1 mm s md-8
lh1521bactr www.vishay.com vishay semiconductors rev. 1.6, 03-aug-11 2 document number: 83820 for technical questions, contact: optocoupleranswers@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 notes ? stresses in excess of the abso lute maximum ratings can cause permanent damage to the device. functional operation of the devic e is not implied at these or any other conditions in excess of those give n in the operational sections of this document. exposure to abs olute maximum ratings for extended periods of the time can adversely affect reliability. (1) breakdown occurs between the output pins external to the package. (2) refer to reflow profile for soldering conditions for surface mount ed devices (smd). refer to wave profile for soldering conditi ons for through hole devices (dip). note ? minimum and maximum values are testing requirements. typical valu es are characteristics of the device and are the result of en gineering evaluations. typical values are for information only and are not part of the testing requirements. absolute maximum ratings (t amb = 25 c, unless otherwise specified) parameter test condition symbol value unit input led continuous forward current i f 50 ma led reverse voltage i r ? 10 a v r 5v output dc or peak ac load voltage i l ? 50 a v l 350 v continuous dc load current one pole operating i l 150 ma continuous dc load current two poles operating i l 110 ma peak load current (single shot) t = 100 ms i p 400 ma ssr output power dissipation (continuous) p diss 600 mw ambient temperature range t amb - 40 to + 85 c storage temperature range t stg - 40 to + 125 c pin soldering temperature (2) t = 10 s max. t sld 260 c input to output isolation voltage t = 1 s, i iso = 10 a max. v iso 3750 v rms pole-to-pole isolation voltage (s1 to s2) (1) (dry air, dust free, at sea level) 1600 v electrical characteristics (t amb = 25 c, unless otherwise specified) parameter test condition symbol min. typ. max. unit input led forward current switch turn-on i l = 150 ma, t = 10 ms i fon 0.2 0.9 ma led forward current switch turn-off v l = 300 v i foff 12ma led forward voltage i f = 10 ma v f 1.15 1.22 1.45 v output on-resistance i f = 0 ma, i l = 50 ma r on 20 25 ? off-resistance i f = 5 ma, v l = 100 v r off 0.1 1.4 g ? off-state leakage current i f = 5 ma, v l = 350 v 0.08 1 a output capacitance i f = 5 ma, v l = 50 v 50 pf transfer capacitance (input to output) v iso = 1 v c io 3pf switching characteristics (t amb = 25 c, unless otherwise specified) parameter test condition symbol min. typ. max. unit turn-on time i f = 5 ma, i l = 50 ma t on 23ms turn-off time i f = 5 ma, i l = 50 ma t off 13ms
lh1521bactr www.vishay.com vishay semiconductors rev. 1.6, 03-aug-11 3 document number: 83820 for technical questions, contact: optocoupleranswers@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 - recommended operating conditions package dimensions in millimeters package marking (example) note ? tape and reel suffix (tr) is not part of the package marking. ilh1521bb_00 90 0 50 150 120 30 - 40 - 20 0 20 40 60 80 load current (ma) ambient temperature (c) i178018 smd 9.65 8.08 2.54 9.53 6.35 0.46 4.45 3.3 0.64 typ. 0.25 typ. 7.62 1.5 1.9 8.31 2.54 iso method a lh1521 v yww h 68
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