metal oxide varistors 25dmm series speci?cations are subject to change without notice. please refer to http://www.ruilon.com for current information. electronic s circuit prote ct io n system
page:1 speci?cations are subject to change without notice. please refer to http://www.ruilon.com for current information. metal oxide varistors - 25dmm series features 1. wide operating voltage (v1ma) range from 8v to 1800v. 2. fast responding to transient over-voltage. 3. large absorbing transient energy capability. 4. low clamping ratio and no following-on current. no radioactive material storage temperature: -55oc to +125oc operating temperature: -55oc to +85oc body: nickel plated leads: surface-mount, axial devices: tin plated devices with no leads: nickel plated general characteristics general information the mov-25dxxxk series of 25mm radial leaded varistor devices protects against overvoltage transients such as lightning, power contact and power induction. the metal oxide varistors offer a choice of varistor voltages from 18 v to 1800 v and vrms voltages from 11 v to 1000 v. the devices have a high current handling, high energy absorption capability and fast response times to protect against transient faults up to rated limits. product name 2 5 d 4 7 1 k disc diameter 25=25mm type d: disk s: square nominal varistor voltage 471=47*10 1 v varistor voltage tolerance k = 10 % circuit prote ct io n system
metal oxide varistors - 25dmm series page:2 speci?cations are subject to change without notice. please refer to http://www.ruilon.com for current information. electriacl characteristics type number maximum allowable voltage varistor voltage maximum clamping voltage withstanding surge current maximum energy (10/1000s) typical capacitance (reference) standard high surge v ac (v) v dc(v) v 1ma (v) i p (a) v c (v) i(a) (j) @1khz(pf) 25d180k 25d180kj 11 14 18(15~21 .6) 30 36 4500 20 45000 25d220k 25d220kj 14 18 22(19.5~26) 30 43 4500 25 29000 25d270k 25d270kj 17 22 27(24~30) 30 53 4500 30 26500 25k330k 25k330kj 20 26 33(29.5~36.5) 30 65 4500 35 18000 25d390k 25d390kj 25 31 39(35~43) 30 77 4500 40 13500 25d470k 25d470kj 30 38 47(42~54) 30 93 4500 50 11500 25d560k 25d560kj 35 45 56(50~62) 30 100 4500 60 10500 25d680k 25d680kj 40 56 68(61~75) 30 135 4500 70 9050 25d820k 25d820kj 50 65 82(74~90) 150 135 15000 80 7700 25d101k 25d101kj 60 85 100(90~110) 150 165 15000 100 6300 25d121k 25d121kj 75 100 120(108~132) 150 200 15000 120 5200 25d151k 25d151kj 95 125 150(135~165) 150 250 15000 160 4300 25d181k 25d181kj 11 5 150 180(162~198) 150 300 15000 175 3500 25d201k 25d201kj 130 170 200(180~220) 150 340 15000 190 3200 25d221k 25d221kj 140 180 220(198~242) 150 360 15000 200 2900 25d241k 25d241kj 150 200 240(216~264) 150 395 15000 220 2650 25d271k 25d271kj 175 225 270(243~297) 150 455 15000 255 2400 25d301k 25d301kj 190 250 300(270~330) 150 500 15000 275 2100 25d331k 25d331kj 210 275 330(297~363) 150 550 15000 300 1900 25d361k 25d361kj 230 300 360(324~396) 150 595 15000 330 1750 25d391k 25d391kj 250 320 390(351~429) 150 650 15000 360 1600 25d431k 25d431kj 275 350 430(387~473) 150 710 15000 380 1500 25d471k 25d471kj 300 385 470(423~517) 150 775 15000 400 1400 25d511k 25d511kj 320 415 510(459~561) 150 845 15000 420 1250 25d561k 25d561kj 350 460 560(504~616) 150 925 15000 440 1150 25D621K 25D621Kj 385 505 620(558~682) 150 1025 15000 460 1050 25d681k 25d681kj 420 560 680(612~748) 150 1120 15000 450 950 25d751k 25d751kj 460 615 750(675~825) 150 1240 15000 510 850 25d781k 25d781kj 485 640 780(702~858) 150 1290 15000 530 800 25d821k 25d821kj 510 670 820(738~902) 150 1355 15000 570 700 25d911k 25d911kj 550 745 910(819~1001) 150 1500 15000 620 650 25d102k 25d102kj 625 825 1000(900~1100) 150 1650 15000 685 600 25d112k 25d112kj 680 895 1100(990~1210) 150 1815 15000 770 550 25d122k 25d122kj 750 990 1200(1080_1320) 150 1980 15000 850 500 25d182k 25d182kj 1000 1465 1800(1620~1980) 150 2970 15000 970 450 circuit prote ct io n system
page:3 speci?cations are subject to change without notice. please refer to http://www.ruilon.com for current information. metal oxide varistors - 25dmm series packaging part number component package quantity packaging option packaging speci?cation 25d 25.0 200 box 400pcs current energy and power dissipation ratings should transients occur in rapid succession, the average power dissipation is the energy (watt-seconds) per pulse times the number of pulses per second. the power so developed must be within the speci ?cations shown on the device ratings and speci? cations table for the speci? c device. the operating values of a mov need to be derated at high temperatures as shown above. because varistors only dissipate a relatively small amount of average power they are not suitable for repetitive applications that involve substantial amounts of average power dissipation. 10 0 90 50 10 o 1 t t 1 t 2 time percent of peak va lue 0 1 t 1 t 2 example s current wa ve f orm: 8 1 20 2 10 0 90 80 70 60 50 40 30 20 10 0 -555 06 07 08 09 01 00 11 01 20 13 01 40 15 0 ambient tempera ture ( o c) percent of ra ted va lue figure 1a - po w er der ating f or epo xy coate d figure 2 10 0 90 80 70 60 50 40 30 20 10 0 -555 06 07 08 09 01 00 11 01 20 13 01 40 15 0 ambient tempera ture ( o c) percent of ra ted va lue figure 1b - po w er der ating f or pholenic coa te d peak pulse current test waveform circuit prote ct io n system
metal oxide varistors - 25dmm series page:4 speci?cations are subject to change without notice. please refer to http://www.ruilon.com for current information. gkge bkbl qafe qboe qbse qcdd qcde qcfe note 1: t is the thickness of the product. note 2: the speci ?cations of thickness are available upon request. structures and dimensions unit:mm tva 25 type m ar k ing marking circuit prote ct io n system
page:5 speci?cations are subject to change without notice. please refer to http://www.ruilon.com for current information. metal oxide varistors - 25dmm series qcge qdbd qdbe qepe qgke qhhd qhre note 1: t is the thickness of the product. note 2: the speci ?cations of thickness are available upon request. structures and dimensions unit:mm tva 25 type circuit prote ct io n system
page:6 speci?cations are subject to change without notice. please refer to http://www.ruilon.com for current information. ruilongyuan electronics co., ltd. reproducing and modifying information of the document is prohibited without permission from ruilongyuan international inc. ruilongyuan international inc. reserves the rights to make changes of the content herein the document anytime without noti?cation. please refer to our website for the latest document. ruilongyuan international inc. disclaims any and all liability arising out of the application or use of any product including damages incidentally and consequentially occurred. ruilongyuan international inc. does not assume any and all implied warranties, including warranties of ?tness for particular purpose, non-infringement and merchantability. applications shown on the herein document are examples of standard use and operation. customers are responsible in comprehending the suitable use in particular applications.ruilongyuan international inc. makes no representation or warranty that such applications will be suitable for the specifed use without further testing or modifcation. the products shown herein are not designed and authorized for equipments requiring high level of reliability or relating to human life and for any applications concerning life-saving or life-sustaining, such as medical instruments, transportation equipment,aerospace machinery et cetera. customers using or selling these products for use in such applications do so at their own risk and agree to fullyindemnify ruilongyuan international inc. for any damages resulting from such improper use or sale. tel: +86-755-8290 8296 fax: +86-755-8290 8002 e-mail: jack@ruilon.com circuit prote ct io n system
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