World Products Inc. | Thermally Protected Varistors | 18mm B Series, 2-Leaded, No Monitor Lead, E, High Energy Rating

Thermally Protected Varistors
18mm B Series
2-Leaded, No Monitor 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	18mm
Varistor Type	T max	a	W1 max.
181K	7.4 (0.29)	7.5 (0.30)	3.4 (0.13)
201K	7.8 (0.31)	7.5 (0.30)	3.5 (0.14)
221K	8.0 (0.31)	7.5 (0.30)	3.6 (0.14)
241K	8.1 (0.32)	7.5 (0.30)	3.7 (0.15)
271K	8.2 (0.32)	7.5 (0.30)	3.8 (0.15)
311K	8.5 (0.33)	7.5 (0.30)	4.2 (0.17)
361K	8.5 (0.33)	7.5 (0.30)	4.3 (0.17)
391K	8.6 (0.34)	7.5 (0.30)	4.5 (0.18)
431K	8.7 (0.34)	7.5 (0.30)	4.7 (0.19)
471K	9.0 (0.37)	7.5 (0.30)	4.9 (0.19)
511K	9.4 (0.37)	7.5 (0.30)	5.2 (0.20)
621K	10.0 (0.39)	7.5 (0.30)	5.7 (0.22)
681K	10.3 (0.41)	7.5 (0.30)	*6.0 (0.24)
751K	10.4 (0.41)	7.5 (0.30)	*6.4 (0.25)
821K	10.8 (0.43)	7.5 (0.30)	*6.8 (0.27)
911K	11.3 (0.44)	7.5 (0.30)	*7.2 (0.28)
951K	11.8 (0.46)	7.5 (0.30)	*7.8 (0.31)
102K	11.8 (0.46)	7.5 (0.30)	*7.8 (0.31)
122K	13.0 (0.51)	7.5 (0.30)	*9.0 (0.35)

Series	Size	D max	H max	dø nom.	a
TVZ18	18mm	21.0 (0.83)	26.0 (1.02)	0.8 (0.031) for 181-681K 1.0 (0.039) for 751-122K	7.5 (0.30) ± 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 dimensions are not applicable. If required without in-line crimp, please reference “Part Number System” and add “N”.

in-lineCrimp2Lead

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 (10/1000µs)	Maximum Clamping Voltage at Specified Current (8/20µs)/80A	Nominal Voltage at 1mA(DC) Current		Typical Capacitance at 1KHz
		VM(AC)	VM(DC)	ITM	WTM	VC	VN(DC) min.	VN(DC) max.	C
		(V)	(V)	(A)	(J)	(V)	(V)	(V)	(pF)
TVZ18EB181KBS	TVZ18EBN181KBS	115	150	9000	135	320	162	198	1800
TVZ18EB201KBS	TVZ18EBN201KBS	130	170	9000	140	340	184	226	1600
TVZ18EB221KBS	TVZ18EBN221KBS	140	180	9000	150	360	200	240	1450
TVZ18EB241KBS	TVZ18EBN241KBS	150	200	9000	155	395	216	264	1300
TVZ18EB271KBS	TVZ18EBN271KBS	175	225	9000	163	455	243	297	1150
TVZ18EB311KBS	TVZ18EBN311KBS	200	230	9000	170	505	281	344	990
TVZ18EB361KBS	TVZ18EBN361KBS	230	250	9000	190	545	324	396	850
TVZ18EB391KBS	TVZ18EBN391KBS	250	320	9000	220	595	351	429	790
TVZ18EB431KBS	TVZ18EBN431KBS	275	350	9000	245	650	387	473	710
TVZ18EB471KBS	TVZ18EBN471KBS	300	385	9000	270	710	423	517	650
TVZ18EB511KBS	TVZ18EBN511KBS	320	420	9000	290	775	459	561	600
TVZ18EB621KBS	TVZ18EBN621KBS	385	505	9000	314	840	558	682	500
TVZ18EB681KBS	TVZ18EBN681KBS	420	560	9000	330	910	612	748	450
TVZ18EB751KBS	TVZ18EBN751KBS	460	615	9000	345	1025	675	825	400
TVZ18EB821KBS	TVZ18EBN821KBS	510	675	9000	355	1120	738	901	370
TVZ18EB911KBS	TVZ18EBN911KBS	550	745	9000	365	1240	819	1001	340
TVZ18EB951KBS	TVZ18EBN951KBS	575	785	9000	378	1250	856	1047	320
TVZ18EB102KBS	TVZ18EBN102KBS	625	825	9000	388	1350	900	1100	300
TVZ18EB122KBS	TVZ18EBN122KBS	750	975	9000	415	1400	1080	1320	260

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Phone: (707) 996-5201 Fax: (707) 996-3380 E-mail: sales@worldproducts.com