design and specifications are each subject to change without notice. ask factory for the current technical specifications before purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. ?znr? transient/surge absorbers (type ck) e 1 r 2 3 4 5 6 78 9 10 11 12 element size type design no. nominal varistor voltage tolerance cc k product code series explanation of part numbers features recommended applications related standards ul and csa recognized components high energy handling capability (210 to 750 joules) large withstanding peak current (25 to 30 ka, 8/20 s, 1 time) common terminals for electrical connection and mounting rohs compliant power suppliers for oa, fa, telecommunication or industrial equipment power strips transient voltage surge suppressor units note : ask our factory for product specification before use. ul and csa recognized ?znr? transient/surge absorbers with tabs type : ck znr transient/surge absorber with tabs is a heavy duty type znr with very unique tab terminals which bring forth a higher reliability. these tabs are used as electrical connecting terminals and also its mounting legs. this type of znr is meant for applications in power supplies or transient voltage surge suppressor units where large surge current or high surge energy absorption is required. as for handling precautions and minimum quantity / packing unit please see related information each type designation is not registered by part num ber. please contact us for further questions regarding type designation. standard no. ul1449 csa c22.2 no.1 class 2221 01 title surge protective devices accessories and parts for electronic products (varistor for across-the-line use as transient protection on 120v ac nominal system) nov. 2018 04 downloaded from: http:///
design and specifications are each subject to change without notice. ask factory for the current technical specifications before purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. ?znr? transient/surge absorbers (type ck) t d 18 25 7 7 8 d h 2- f 3.4 znr abbreviation of part no. date code operating temperature range : ?0 to 85 ? storage temperature range : ?0 to 125 ? part no. (ul/csa recognized) type designation varistor voltage maximum allowable voltage maximumclamping voltage energy (2 ms, 1 time) maximum peak current (8/20 ?) 1 time 2 times v 1 ma (v) acrms (v) dc (v) v xa (v) ip (a) (j) (ka) (ka) erzc32ck201w 32k201u 200 (185 to 225) 130 170 340 200 210 25 20 erzc32ck241w 32k241u 240 (216 to 264) 150 200 395 200 240 25 20 erzc32ck271w 32k271u 270 (247 to 303) 175 225 455 200 255 25 20 erzc32ck361w 32k361u 360 (324 to 396) 230 300 595 200 325 25 20 erzc32ck391w 32k391u 390 (351 to 429) 250 320 650 200 350 25 20 erzc32ck431w 32k431u 430 (387 to 473) 275 350 710 200 400 25 20 erzc32ck471w 32k471u 470 (423 to 517) 300 385 775 200 405 25 20 erzc32ck511w 32k511u 510 (459 to 561) 320 415 845 200 405 25 20 erzc32ck621w 32k621u 620 (558 to 682) 385 505 1025 200 415 25 20 erzc32ck681w 32k681u 680 (612 to 748) 420 560 1120 200 450 25 20 erzc32ck751w 32k751u 750 (645 to 825) 460 615 1240 200 500 25 20 erzc32ck781w 32k781u 780 (702 to 858) 485 640 1290 200 520 25 20 erzc32ck821w 32k821u 820 (738 to 902) 510 670 1355 200 545 25 20 erzc32ck911w 32k911u 910 (819 to 1001) 550 745 1500 200 600 25 20 erzc32ck951w 32k951u 950 (855 to 1045) 575 765 1570 200 600 25 20 erzc40ck201w 40k201u 200 (185 to 225) 130 170 340 250 260 30 25 erzc40ck241w 40k241u 240 (216 to 264) 150 200 395 250 300 30 25 erzc40ck271w 40k271u 270 (247 to 303) 175 225 455 250 340 30 25 erzc40ck361w 40k361u 360 (324 to 396) 230 300 595 250 405 30 25 erzc40ck391w 40k391u 390 (351 to 429) 250 320 650 250 435 30 25 erzc40ck431w 40k431u 430 (387 to 473) 275 350 710 250 500 30 25 erzc40ck471w 40k471u 470 (423 to 517) 300 385 775 250 505 30 25 erzc40ck511w 40k511u 510 (459 to 561) 320 415 845 250 505 30 25 erzc40ck621w 40k621u 620 (558 to 682) 385 505 1025 250 515 30 25 ERZC40CK681W 40k681u 680 (612 to 748) 420 560 1120 250 560 30 25 erzc40ck751w 40k751u 750 (645 to 825) 460 615 1240 250 625 30 25 erzc40ck781w 40k781u 780 (702 to 858) 485 640 1290 250 650 30 25 erzc40ck821w 40k821u 820 (738 to 902) 510 670 1355 250 680 30 25 erzc40ck911w 40k911u 910 (819 to 1001) 550 745 1500 250 750 30 25 erzc40ck951w 40k951u 950 (855 to 1045) 575 765 1570 250 750 30 25 part no. (ul/csa recognized) type designation d max. h max. t max. d erzc32ck201w 32k201u 36 46 7.5 5.7?.0 erzc32ck241w 32k241u 7.5 5.4?.0 erzc32ck271w 32k271u 8.5 5.2?.0 erzc32ck361w 32k361u 9.0 4.6?.0 erzc32ck391w 32k391u 9.0 4.4?.0 erzc32ck431w 32k431u 9.0 4.1?.0 erzc32ck471w 32k471u 9.7 3.9?.0 erzc32ck511w 32k511u 9.7 4.5?.0 erzc32ck621w 32k621u 9.7 3.9?.0 erzc32ck681w 32k681u 9.7 3.6?.0 erzc32ck751w 32k751u 10.5 3.3?.0 erzc32ck781w 32k781u 10.5 3.1?.0 erzc32ck821w 32k821u 10.5 2.9?.0 erzc32ck911w 32k911u 11.5 2.5?.0 erzc32ck951w 32k951u 11.5 2.3?.0 erzc40ck201w 40k201u 44 55 7.5 5.7?.0 erzc40ck241w 40k241u 7.5 5.4?.0 erzc40ck271w 40k271u 8.5 5.2?.0 erzc40ck361w 40k361u 9.0 4.6?.0 erzc40ck391w 40k391u 9.0 4.4?.0 erzc40ck431w 40k431u 9.0 4.1?.0 erzc40ck471w 40k471u 9.7 3.9?.0 erzc40ck511w 40k511u 9.7 4.5?.0 erzc40ck621w 40k621u 9.7 3.9?.0 ERZC40CK681W 40k681u 9.7 3.6?.0 erzc40ck751w 40k751u 10.5 3.3?.0 erzc40ck781w 40k781u 10.5 3.1?.0 erzc40ck821w 40k821u 10.5 2.9?.0 erzc40ck911w 40k911u 11.5 2.5?.0 erzc40ck951w 40k951u 11.5 2.3?.0 ratings and characteristics dimensions in mm (not to scale) nov. 2018 04 downloaded from: http:///
design and specifications are each subject to change without notice. ask factory for the current technical specifications before purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. ?znr? transient/surge absorbers (type ck) current (a) 60004000 2000 1000 800600 400 200 100 8060 10 - 6 10 - 5 10 - 4 10 - 3 10 - 2 10 - 1 10 0 10 1 10 2 10 3 10 4 10 5 voltage (v) test current waveform 10 - 6 to 10 - 3 a: direct current 10 - 1 to 10 4 a: 8/20 ? max. clamping voltage max. leakage current erzc32ck951werzc32ck911w erzc32ck821w erzc32ck751w erzc32ck681w erzc32ck621w erzc32ck271w erzc32ck241w erzc32ck201w erzc32ck511werzc32ck471w erzc32ck431w erzc32ck391w erzc32ck361w erzc32ck951werzc32ck911w erzc32ck821w erzc32ck751w erzc32ck681w erzc32ck621w erzc32ck511w erzc32ck471w erzc32ck431w erzc32ck391w erzc32ck361w erzc32ck271werzc32ck241w erzc32ck201w current (a) 60004000 2000 1000 800600 400 200 100 8060 10 - 6 10 - 5 10 - 4 10 - 3 10 - 2 10 - 1 10 0 10 1 10 2 10 3 10 4 10 5 voltage (v) test current waveform 10 - 6 to 10 - 3 a: direct current 10 - 1 to 10 4 a: 8/20 ? max. clamping voltage max. leakage current erzc40ck951werzc40ck911w erzc40ck821w erzc40ck751w ERZC40CK681W erzc40ck621w erzc40ck271w erzc40ck241w erzc40ck201w erzc40ck511werzc40ck471w erzc40ck431w erzc40ck391w erzc40ck361w erzc40ck271werzc40ck241w erzc40ck201w erzc40ck951werzc40ck911w erzc40ck821w erzc40ck751w ERZC40CK681W erzc40ck621w erzc40ck511werzc40ck471w erzc40ck431w erzc40ck391w erzc40ck361w typical characteristics (erzc40ck201w to erzc40ck951w) voltage vs. current (erzc32ck201w to erzc32ck951w) nov. 2018 04 downloaded from: http:///
design and specifications are each subject to change without notice. ask factory for the current technical specifications before purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. ?znr? transient/surge absorbers (type ck) ul, csa rec og nized components and the a.c. rated voltage part no. (ul/csa recognized) maximum allowable voltage rated voltage (vrms) acrms (v) dc (v) ul1449 csa (class 2221 01) erzc32ck201w 130 170 118 118 erzc32ck241w 150 200 136 136 erzc32ck271w 175 225 159 159 erzc32ck361w 230 300 209 209 erzc32ck391w 250 320 227 227 erzc32ck431w 275 350 250 250 erzc32ck471w 300 385 272 272 erzc32ck511w 320 415 291 291 erzc32ck621w 385 505 350 350 erzc32ck681w 420 560 381 381 erzc32ck751w 460 615 418 418 erzc32ck781w 485 640 440 440 erzc32ck821w 510 670 463 463 erzc32ck911w 550 745 500 500 erzc32ck951w 575 765 522 522 erzc40ck201w 130 170 118 118 erzc40ck241w 150 200 136 136 erzc40ck271w 175 225 159 159 erzc40ck361w 230 300 209 209 erzc40ck391w 250 320 227 227 erzc40ck431w 275 350 250 250 erzc40ck471w 300 385 272 272 erzc40ck511w 320 415 291 291 erzc40ck621w 385 505 350 350 ERZC40CK681W 420 560 381 381 erzc40ck751w 460 615 418 418 erzc40ck781w 485 640 440 440 erzc40ck821w 510 670 463 463 erzc40ck911w 550 745 500 500 erzc40ck951w 575 765 522 522 nov. 2018 04 downloaded from: http:///
design and specifications are each subject to change without notice. ask factory for the current technical specifications before purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. ?znr? transient/surge absorbers (type ck) characteristics test methods/description specifications standard test condition electrical characteristics shall be measured at following conditions (temperature: 5 to 35 c, humidity: max. 85 %). electrical varistor voltage the voltage between two terminals with the specified measuring current 1ma dc applied is called v 1 or v 1ma . the measurement shall be made as fast as possible to avoid heat affection. to meet the specified value. maximum allowable voltage the maximum sinusoidal wave voltage (rms) or the maximum dc voltage that can be applied continuously. clamping voltage the maximum voltage between two terminals with the specified standard impulse current (8/20 s). rated power the maximum power that can be applied within the specified ambient temperature. energy the maximum energy within the varistor voltage change of 10 % when one impulse of 2 ms is applied. maximum peak current 2 times the maximum current within the varistor voltage change of 10 % with the standard impulse current (8/20 s) applied two times with an interval of 5 minutes. 1 time the maximum current within the varistor voltage change of 10 % with the standard impulse current (8/20 s) applied one time. mechanical robustness of terminations (tensile) after gradually applying the force of 19.6 n (2 kgf) and keeping the unit xed for ten seconds, the terminal shall be visually examined for any damage. no remarkable damage vibration after repeatedly applying a single harmonic vibration (amplitude: 0.35 mm): double amplitude: 0.7 mm with 1 minute vibration frequency cycles (10 hz to 55 hz to 10 hz) to each of three perpendicular directions for 2 hours. thereafter, the unit shall be visually examined. no remarkable damage solderability after dipping the terminal to a depth of approximately 3 mm from the body in a soldering bath of 230 5 c for 5.0 0.5 seconds, the terminal shall be visually examined. approximately 95 % of the terminals shall be covered with new solder uniformly. resistance to soldering heat the terminal shall be dipped into a soldering bath having a temperature of 350 10 c to a point 4.0 0.8 mm from the body of the unit and then be held there for 3.0 0.5 seconds. the change of vc and mechanical damage shall be examined. v 1ma /v 1ma < ?5 % no remarkable damage environmental dry heat/ high temperature storage the specimen shall be subjected to 125? c for 500 hours in a thermostatic bath without load and then stored at room temperature and humidity for one to two hours. thereafter, the change of vc shall be measured. v 1ma /v 1ma < ?5 % damp heat/ humidity (steady state) the specimen shall be subjected to 40? c, 90 to 95 %rh for 1000 hours without load and then stored at room temperature and humidity for one to two hours. thereafter, the change of vc shall be measured. temperature cycle the temperature cycle shown below shall be repeated five times and then stored at room temperature and humidity for one to two hours. the change of vc and mechanical damage shall be examined. step temperature ( c) period (minutes) 1 2 5 3 3 0 +3 2 room temp. 3 max. 3 8 5 2 3 0 +3 4 room temp. 3 max. v 1ma /v 1ma < ?5 % no remarkable damage dry heat load/ high temperature load after being continuously applied the maximum allowable voltage at 85? c for 500 hours, the specimen shall be stored at room temperature and humidity for one to two hours. thereafter, the change of vc shall be measured. v 1ma /v 1ma < ?10 % 00 performance characteristics (type ck) nov. 2018 04 downloaded from: http:///
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