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25D Series VARISTOR

THICKNESS

HEL-25D201K

11

HEL-25D221K

11

HEL-25D241K

11

HEL-25D271K

11

HEL-25D301K

12

HEL-25D331K

12

HEL-25D361K

12

HEL-25D391K

12

HEL-25D431K

12

HEL-25D471K

12

HEL-25D511K

12

HEL-25D561K

12

HEL-25D621K

12

HEL-25D681K

13

HEL-25D751K

13

HEL-25D781K

13

HEL-25D821K

13

HEL-25D911K

13

HEL-25D951K

14

HEL-25D102K

14

HEL-25D122K

14

HEL-25D142K

15

HEL-25D162K

16

HEL-25D182K

18

☆=Already Through Certificate △=Pending Approvals

Part No.

Varistor Voltage

Max.
Allowable
Voltage

Max.Clamping 
Voltage
(8/20μS)

Energy
(J)

Peak
Current
( 8/20μS )

Capaci
tance

Recognitions 
To Safety Agency 
Standards

V1mA
(v)

ACrms
(v)

DC
(v)

Vc
(v)

Ip
(A)

10/1000
μS

1time
(kA)

2time
(kA)

1kHz
(pF)

UL

CSA

VDE

CQC

HEL-25D201K200(185-225)13017034015017020152400
HEL-25D221K220(198-242)14018036015018020152200
HEL-25D241K240(216-264)15020039515019020152000
HEL-25D271K270(243-297)17522545515020020151700
HEL-25D301K300(270-330)19525050015023020151600
HEL-25D331K330(297-263)21027554515025020151500
HEL-25D361K360(324-396)23030059515028020151400
HEL-25D391K390(351-429)25032065015031520151200
HEL-25D431K430(387-473)27535071015034020151100
HEL-25D471K470(423-517)30038577515036020151050
HEL-25D511K510(459-561)32041584515043020151000
HEL-25D561K560(504-616)3504609251504402015950
HEL-25D621K620(558-682)38550510251504602015900
HEL-25D681K680(612-748)42056011201504802015850
HEL-25D751K750(675-825)46061512401505002015800
HEL-25D781K780(702-858)48564012901505102015750
HEL-25D821K820(738-902)51067013551505252015700
HEL-25D911K910(819-1001)55074515001505402015650
HEL-25D951K950(855-1045)57576515701505602015620
HEL-25D102K1000(900-1100)62582516501506002015600
HEL-25D122K1200(1080-1320)75098019801507002015550
HEL-25D142K1400(1278-1540)870116023701509002015520
HEL-25D162K1600(1440-1584)10001200270015010252015500
HEL-25D182K1800(1620-1980)12001450297015011502015450