World Products Inc. | Thermally Protected Varistors | 20mm C Series, 3-Leaded, Fuse Located on Second Lead, E, High Energy Rating

Thermally Protected Varistors
20mm C Series
3-Leaded, Fuse Located on Second Lead,
E, High Energy Rating

Thermally Protected Varistors
Introduction
Features
Applications
Marking
Approvals
Part Number System

Absolute Maximum Ratings
Soldering Profile
Varistor Application Examples
Thermal Characteristics
V-I Characteristics
Taping Specifications
Standard Bulk Packaging

25mm Standard Series
14mm B Series
18mm B Series
20mm B Series
14mm C Series
18mm C Series
20mm C Series
34mm Series

Fuse Configuration and Dimensions | Specifications

Fuse Configuration and Dimensions

Unit: mm (inch)

Varistor Type	20mm
Varistor Type	T max	W1 max.	W2 max.
181K	7.6 (0.30)	1.9 (0.07)	3.4 (0.13)
201K	7.9 (0.31)	2.0 (0.08)	3.6 (0.14)
221K	8.1 (0.32)	2.1 (0.08)	3.7 (0.15)
241K	8.2 (0.32)	2.2 (0.09)	3.8 (0.15)
271K	8.3 (0.33)	2.3 (0.09)	3.9 (0.15)
311K	8.4 (0.33)	2.5 (0.10)	4.1 (0.16)
361K	8.6 (0.34)	2.8 (0.11)	4.4 (0.17)
391K	8.7 (0.34)	3.0 (0.12)	4.6 (0.18)
431K	8.8 (0.35)	3.2 (0.13)	4.8 (0.19)
471K	9.1 (0.36)	3.4 (0.13)	5.1 (0.20)
511K	9.5 (0.37)	3.6 (0.14)	5.4 (0.21)
621K	10.1 (0.40)	4.1 (0.16)	5.9 (0.23)
681K	10.4 (0.41)	*4.4 (0.17)	*6.2 (0.24)
751K	10.7 (0.42)	*4.7 (0.19)	*6.6 (0.26)
821K	11.0 (0.43)	*5.1 (0.20)	*7.0 (0.28)
911K	11.5 (0.45)	*5.5 (0.22)	*7.5 (0.30)
951K	11.8 (0.46)	*5.5 (0.22)	*7.8 (0.31)
102K	12.0 (0.47)	*5.5 (0.22)	*8.1 (0.32)
122K	13.0 (0.51)	*7.0 (0.27)	*9.0 (0.35)

Series	Size	D max	H max	dø nom.	a	b
TVZ20	20mm	23.0 (0.90)	30.0 (1.18)	0.8 (0.031) for 181-681K 1.0 (0.039) for 751-122K	7.5 (0.30) ± 1.0 (0.039)	5.0 (0.20) ± 1.0 (0.039)

Note: *Bulk parts for >681 varistor voltage come standard with in-line crimp (see illustration below) for straight disk seating on PC boards. Therefore, W1 & W2 dimensions are not applicable. If required without in-line crimp, please reference “Part Number System” and add “N”.

in-lineCrimp3Lead

*NOTE: For 3 leaded 14mm, 18mm, and 20mm types with in-line crimp, monitor lead is straight. For 25mm types, monitor lead is in-line crimped.

Specifications

Standard Series Part Number	RoHS Compliant Series Part Number	Maximum Ratings					Specifications
		Maximum Continuous Working Voltage		Maximum Non- Repetitive Surge Current (8/20µs)	Maximum Non- Repetitive Surge Energy (2ms)	Maximum Clamping Voltage at Specified Current (8/20µs)/100A	Nominal Voltage at 1mA(DC) Current		Typical Capacitance at 1 MHz
		VM(AC)	VM(DC)	ITM	WTM	VC	VN(DC) min.	VN(DC) max.	C
		(V)	(V)	(A)	(J)	(V)	(V)	(V)	(pF)
TVZ20EC181KBS	TVZ20ECN181KBS	115	150	10000	52	300	162	198	2100
TVZ20EC201KBS	TVZ20ECN201KBS	130	170	10000	100	340	184	226	1900
TVZ20EC221KBS	TVZ20ECN221KBS	140	180	10000	110	360	200	240	1720
TVZ20EC241KBS	TVZ20ECN241KBS	150	200	10000	120	395	216	264	1580
TVZ20EC271KBS	TVZ20ECN271KBS	175	225	10000	135	455	243	297	1360
TVZ20EC311KBS	TVZ20ECN311KBS	200	230	10000	154	530	281	344	1180
TVZ20EC361KBS	TVZ20ECN361KBS	230	250	10000	160	595	324	396	1020
TVZ20EC391KBS	TVZ20ECN391KBS	250	320	10000	170	650	351	429	940
TVZ20EC431KBS	TVZ20ECN431KBS	275	350	10000	190	710	387	473	850
TVZ20EC471KBS	TVZ20ECN471KBS	300	385	10000	250	775	423	517	780
TVZ20EC511KBS	TVZ20ECN511KBS	320	420	10000	272	840	459	561	720
TVZ20EC621KBS	TVZ20ECN621KBS	385	505	10000	300	1025	558	682	590
TVZ20EC681KBS	TVZ20ECN681KBS	420	560	10000	320	1120	612	748	540
TVZ20EC751KBS	TVZ20ECN751KBS	460	615	10000	340	1240	675	825	490
TVZ20EC821KBS	TVZ20ECN821KBS	510	670	10000	350	1355	738	902	450
TVZ20EC911KBS	TVZ20ECN911KBS	550	745	10000	360	1500	819	1001	400
TVZ20EC951KBS	TVZ20ECN951KBS	575	785	10000	375	1568	856	1047	385
TVZ20EC102KBS	TVZ20ECN102KBS	625	825	10000	400	1650	900	1100	370
TVZ20EC122KBS	TVZ20ECN122KBS	750	975	10000	480	1980	1080	1320	300

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World Products Inc., 19654 8th St. East, Sonoma, CA 95476 USA
Phone: (707) 996-5201 Fax: (707) 996-3380 E-mail: sales@worldproducts.com