pc3st21nsz series pc3st21nsz series absolute maximum ratings outline dimensions (unit : mm) *1 the derating factors of absolute maximum ratings due to ambient temperature are shown in fig.1, 2 *2 40 to 60%rh, ac for 1minute, f = 60hz parameter symbol rating unit forward current i f 50 0.1 ma reverse voltage rms on-state current repetitive peak off-state voltage peak one cycle surge current v r 6v a v i surge 1.2 (50hz sine wave) 600 a v drm v iso (rms) i t (rms) kv isolation voltage operating temperature t opr ? 55 to + 125 ? 30 to + 100 c c storage temperature t stg *2 *1 *1 soldering temperature t sol 260 (for 10s) 5 c (t a = 25 c) input output model line-up 1. home appliances 2. oa equipment, fa equipment 3. ssrs features applications compact phototriac coupler for triggering 1. low zero-cross voltage (v ox[max.] = 20v) 2. isolation voltage between input and output (v iso (rms) :5kv) 3. high critical rate of rise of off-state voltage (dv/dt:min. 1 000v/ s) 4. compact dual-in line package 5. recognized by ul, file no.e64380 (model no. 3st21 ) approved by csa, file no.ca95323 (model no. 3st21 ) under preparation for vde notice in the absence of confirmation by device specification sheets, sharp takes no responsibility for any defects that may occ ur in equipment using any sharp devices shown in catalogs, data books, etc. contact sharp in order to obtain the latest device specification sheets before usin g any sharp device. internet internet address for electronic components group http://sharp-world.com/ecg/ 3st21 4.58 0.5 0.6 0.2 1.2 0.3 2.54 0.25 6.5 0.5 7.62 0.3 4.58 0.5 3.5 0.5 3.0 0.5 2.7 0.5 0.5 typ. anode mark 0.5 0.1 : 0 to 13? epoxy resin internal connection diagram 1 2 3 4 anode anode cathode anode, cathode anode, cathode 1 2 4 3 zero cross circuit 1 2 3 4 minimum trigger current (i ft[max.] ) model no. 7ma 5ma pc3st21nszb PC3ST21NSZC
pc3st21nsz series parameter conditions input forward voltage i f = 20ma on-state voltage output critical rate of rise of off-state voltage v d =( 1/ ? 2) ? v drm transfer charac- teristics zero-cross voltage resistance load, i f = 15ma resistance load, i f = 8ma minimum trigger current v d = 4v, r l = 100 ? dc = 500v, 40 to 60%rh v d = 4v, r l = 100 ? , i f = 20ma min. ? ? 0.1 1 000 ? 5 10 10 typ. 1.2 ? ? ? 1 10 11 max. 1.4 3.0 3.5 2 000 ? 20 ? holding current symbol v f v t i h dv/dt v ox i ft isolation resistance r iso i t = 0.1ma unit v reverse current v r =3v v d =v drm i r repetitive peak off-state current i drm ma ?? 10 ? 5 a ?? 10 ? 6 a v/ s v ? ? 7 ? ? 5 ma ? v (t a = 25?c) turn-on time ? ? 50 t on s pc3st21nszb PC3ST21NSZC pc3st21nszb PC3ST21NSZC v d = 4v electro-optical characteristics 0 25 50 75 100 125 150 175 ? 30 ? 20 ? 100 102030405060708090100 rms on-state current i r (rms) (ma) ambient temperature t a ( ? c) 0 10 20 30 40 50 60 70 ? 30 ? 20 ? 100 102030405060708090100 forward current i f (ma) ambient temperature t a ( ? c) fig.1 rms on-state current vs. ambient temperature fig.2 forward current vs. ambient temperature
notice the circuit application examples in this publication are provided to explain representative applications of sharp devices and are not intended to guarantee any circuit design or license any intellectual property rights. sharp takes no responsibility for any problems related to any intellectual property right of a third party resulting from the use of sharp's devices. contact sharp in order to obtain the latest device specification sheets before using any sharp device. sharp reserves the right to make changes in the specifications, characteristics, data, materials, structure, and other contents described herein at any time without notice in order to improve design or reliability. manufacturing locations are also subject to change without notice. observe the following points when using any devices in this publication. sharp takes no responsibility for damage caused by improper use of the devices which does not meet the conditions and absolute maximum ratings to be used specified in the relevant specification sheet nor meet the following conditions: (i) the devices in this publication are designed for use in general electronic equipment designs such as: - - - personal computers - - - office automation equipment - - - telecommunication equipment [terminal] - - - test and measurement equipment - - - industrial control - - - audio visual equipment - - - consumer electronics (ii) measures such as fail-safe function and redundant design should be taken to ensure reliability and safety when sharp devices are used for or in connection with equipment that requires higher reliability such as: - - - transportation control and safety equipment (i.e., aircraft, trains, automobiles, etc.) - - - traffic signals - - - gas leakage sensor breakers - - - alarm equipment - - - various safety devices, etc. (iii)sharp devices shall not be used for or in connection with equipment that requires an extremely high level of reliability and safety such as: - - - space applications - - - telecommunication equipment [trunk lines] - - - nuclear power control equipment - - - medical and other life support equipment (e.g., scuba). if the sharp devices listed in this publication fall within the scope of strategic products described in the foreign exchange and foreign trade law of japan, it is necessary to obtain approval to export such sharp devices. this publication is the proprietary product of sharp and is copyrighted, with all rights reserved. under the copyright laws, no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, in whole or in part, without the express written permission of sharp. express written permission is also required before any use of this publication may be made by a third party. contact and consult with a sharp representative if there are any questions about the contents of this publication.
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