20D Series Metal Oxide Varistor MOV

The body of the varistor is a matrix structure composed of oxide particles. The grain boundary between the particles is similar to the electrical features of the bidirectional PN junction. When the voltage is low, these grain boundaries are in a high impedance state, when the voltage is high, they turn into the breakdown state. MOV is a nonlinear device.

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Specifications

Certification: RoHS
Diameters: 5mm-34mm
High surge absorption capability
Voltage range from 18V to 1800V
Surge current up to 70kA
Excellent clamping performance
Fast response time

Application

Consumer Electronic,
telecommunication,
Lighting, etc.

※ Disclaimer

Users should verify actual device performance in their specific applications.

Specifications are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

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Part NO.	Varistor Voltage		Maximum allowable voltage		Maximum Limited Voltage	Withstanding Surge current （1.2/50μs&8/20μs）		Rated Wattage	Energy （10/1000μs）	Typical Capacitance
	V1mA		AC	DC	V100A	Imax	In	（W）	(J)	1KHz
	(V)		(V)		(V)	(A)		（W）	(J)	(PF)
20D180K	18	16-20	11	14	.38	2000	一	0.2	11	39000
20D220K	22	20-24	14	18	.43	2000	一	0.2	14	32000
20D270K	27	24-30	17	22	.53	2000	一	0.2	18	22000
20D330K	33	30-36	20	26	.65	2000	一	0.2	23	18000
20D390K	39	35-43	25	31	.77	2000	一	0.2	26	16000
20D470K	47	42-52	30	38	.93	2000	一	0.2	33	14000
20D560K	56	50-62	35	45	.110	2000	一	0.2	41	12000
20D680K	68	61-75	40	56	.135	2000	一	0.2	46	10000
20D820K	82	74-90	50	65	135	6500	3000	1.0	48	5800
20D101K	100	90-100	60	85	165	6500	3000	1.0	52	4800
20D121K	120	108-132	75	100	200	6500	3000	1.0	56	3800
20D151K	150	135-165	95	125	250	6500	3000	1.0	71	3000
20D181K	180	162-198	115	150	300	6500	3000	1.0	86	2600
20D201K	200	180-220	130	170	340	6500	3000	1.0	97	2400
20D221K	220	198-242	140	180	360	6500	3000	1.0	102	2100
20D241K	240	216-264	150	200	395	6500	3000	1.0	110	1950
20D271K	270	243-297	175	225	455	6500	3000	1.0	130	1700
20D301K	300	270-330	195	250	505	6500	3000	1.0	139	1600
20D331K	330	297-363	210	275	550	6500	3000	1.0	153	1400
20D361K	360	324-396	230	300	595	6500	3000	1.0	166	1300
20D391K	390	351-429	250	320	650	6500	3000	1.0	184	1180
20D431K	430	387-473	275	350	710	6500	3000	1.0	194	1100
20D471K	470	423-517	300	385	775	6500	3000	1.0	224	1050
20D511K	510	459-561	320	418	842	6500	3000	1.0	224	1000
20D561K	560	504-616	350	460	920	6500	3000	1.0	224	970
20D621K	620	558-682	385	505	1025	6500	3000	1.0	224	950
20D681K	680	612-748	420	560	1120	6500	3000	1.0	235	900
20D751K	750	675-825	460	615	1240	6500	3000	1.0	260	850
20D781K	780	702-858	485	640	1290	6500	3000	1.0	269	750
20D821K	820	738-902	510	670	1355	6500	3000	1.0	288	700
20D911K	910	919-1001	550	745	1500	6500	3000	1.0	316	600
20D951K	950	855-1045	580	780	1570	6500	3000	1.0	328	580
20D102K	1000	900-1100	625	825	1650	6500	3000	1.0	349	500
20D112K	1100	990-1210	680	895	1815	6500	3000	1.0	391	450
20D152K	1500	1350-1650	900	1220	2475	6500	3000	1.0	516	400
20D182K	1800	1620-1980	1000	1465	2970	6500	3000	1.0	632	220

Note:The maximum limit voltage test current K 180K to 680 is 25 A.

Part NO.	Varistor Voltage		Maximum allowable voltage		Maximum Limited Voltage	Withstanding Surge current （1.2/50μs&8/20μs）		Rated Wattage	Energy 10/1000μs	Typical Capacitance
	V1mA		AC	DC	V100A	Imax	In	（W）	(J)	1KHz
	(V)		(V)		(V)	(A)		（W）	(J)	(PF)
20D180KJ	18	16-20	11	14	.38	3000	1000	0.2	13	39000
20D220KJ	22	20-24	14	18	.43	3000	1000	0.2	17	32000
20D270KJ	27	24-30	17	22	.53	3000	1000	0.2	22	22000
20D330KJ	33	30-36	20	26	.65	3000	1000	0.2	28	18000
20D390KJ	39	35-43	25	31	.77	3000	1000	0.2	31	16000
20D470KJ	47	42-52	30	38	.93	3000	1000	0.2	40	14000
20D560KJ	56	50-62	35	45	.110	3000	1000	0.2	49	12000
20D680KJ	68	61-75	40	56	.135	3000	1000	0.2	55	10000
20D820KJ	82	74-90	50	65	135	10000	5000	1.0	67	5800
20D101KJ	100	90-100	60	85	165	10000	5000	1.0	73	4800
20D121KJ	120	108-132	75	100	200	10000	5000	1.0	78	3800
20D151KJ	150	135-165	95	125	250	10000	5000	1.0	99	3000
20D181KJ	180	162-198	115	150	300	10000	5000	1.0	152	2600
20D201KJ	200	180-220	130	170	340	10000	5000	1.0	175	2400
20D221KJ	220	198-242	140	180	360	10000	5000	1.0	185	2100
20D241KJ	240	216-264	150	200	395	10000	5000	1.0	198	1950
20D271KJ	270	243-297	175	225	455	10000	5000	1.0	220	1700
20D301KJ	300	270-330	195	250	505	10000	5000	1.0	245	1600
20D331KJ	330	297-363	210	275	550	10000	5000	1.0	268	1400
20D361KJ	360	324-396	230	300	595	10000	5000	1.0	315	1300
20D391KJ	390	351-429	250	320	650	10000	5000	1.0	350	1180
20D431KJ	430	387-473	275	350	710	10000	5000	1.0	380	1100
20D471KJ	470	423-517	300	385	775	10000	5000	1.0	405	1050
20D511KJ	510	459-561	320	418	842	10000	5000	1.0	445	1000
20D561KJ	560	504-616	350	460	920	10000	5000	1.0	475	970
20D621KJ	620	558-682	385	505	1025	10000	5000	1.0	490	950
20D681KJ	680	612-748	420	560	1120	10000	5000	1.0	500	900
20D751KJ	750	675-825	460	615	1240	10000	5000	1.0	525	850
20D781KJ	780	702-858	485	640	1290	10000	5000	1.0	530	750
20D821KJ	820	738-902	510	670	1355	10000	5000	1.0	545	700
20D911KJ	910	919-1001	550	745	1500	10000	5000	1.0	595	600
20D951KJ	950	855-1045	580	780	1570	10000	5000	1.0	610	580
20D102KJ	1000	900-1100	625	825	1650	10000	5000	1.0	650	500
20D112KJ	1100	990-1210	680	895	1815	10000	5000	1.0	720	450
20D152KJ	1500	1350-1650	900	1220	2475	10000	5000	1.0	790	400
20D182KJ	1800	1620-1980	1000	1465	2970	10000	5000	1.0	850	220

Note:The maximum limit voltage test current K 180K to 680 is 25 A.

Part NO.	Varistor Voltage		Maximum allowable voltage		Maximum Limited Voltage	Withstanding Surge current （1.2/50μs&8/20μs）		Rated Wattage	Energy 10/1000μs	Typical Capacitance
	V1mA		AC	DC	V100A	Imax	Vn	（W）	(J)	1KHz
	(V)		(V)		(V)	(A)		（W）	(J)	(PF)
20D431KH	430	387-473	275	350	710	10000	10KV/5KA	1.0	380	1100
20D471KH	470	423-517	300	385	775	10000	10KV/5KA	1.0	405	1050
20D511KH	510	459-561	320	418	842	10000	10KV/5KA	1.0	445	1000
20D561KH	560	504-616	350	460	920	10000	10KV/5KA	1.0	475	970
20D621KH	620	558-682	385	505	1025	10000	10KV/5KA	1.0	490	950
20D681KH	680	612-748	420	560	1120	10000	10KV/5KA	1.0	500	900
20D751KH	750	675-825	460	615	1240	10000	10KV/5KA	1.0	525	850
20D781KH	780	702-858	485	640	1290	10000	10KV/5KA	1.0	530	750
20D821KH	820	738-902	510	670	1355	10000	10KV/5KA	1.0	545	700
20D911KH	910	919-1001	550	745	1500	10000	10KV/5KA	1.0	595	600
20D951KH	950	855-1045	580	780	1570	10000	10KV/5KA	1.0	610	580
20D102KH	1000	900-1100	625	825	1650	10000	10KV/5KA	1.0	650	500
20D112KH	1100	990-1210	680	895	1815	10000	10KV/5KA	1.0	720	450
20D152KH	1500	1350-1650	900	1220	2475	10000	10KV/5KA	1.0	790	400
20D182KH	1800	1620-1980	1000	1465	2970	10000	10KV/5KA	1.0	850	220