Zenamic Z21D

Zenamic is Semitec’s registered trademark for metal oxide varistors which are transient voltage surge absorbers. Zenamic features large surge current and transient overvoltage handling capabilities. It is produced by sintering a ZnO based metal oxide mix at temperatures ranging from 1200 to 1400℃.

SEMITEC’S Zenamic products are fully compliant with RoHS DIRECTIVE2011/65/EU.

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Applications

・Semiconductor device protection: Diodes, transistors, thyristors, IC etc.
・Home electronics protection: TVs, air conditioners, refrigerators, microwave ovens, etc.
・Office automation equipment protection: PPC copiers, fax machines, PCs, etc.
・Industrial equipment protection: Robots, water heaters, machining equipment, etc.
・Inrush surge protection: Electromagnetic clutches/brakes, relay control devices, circuit breakers etc.
・Others: Automotive electronics circuits, vending machines, communication/broadcasting equipment, etc.

Rating

Z21D180 to 680

Part No.	Varistor voltage V1mA	Maximum allowable voltage		Clamping voltage (max.) V20A	Rated power	Maximum energy (2ms)	Maximum peak current (8/20μs)	Capacitance (TYP) (1kHz)
	Varistor voltage V1mA	AC	DC	Clamping voltage (max.) V20A	Rated power	Maximum energy (2ms)	Maximum peak current (8/20μs)	Capacitance (TYP) (1kHz)
	V	Vrms	V	V	W	J	A	pF
Z21D180	18(16～20)	11	14	36	0.2	12	2,000	40,000
Z21D220	22(20～24)	14	18	43		14		30,000
Z21D270	27(24～30)	17	22	53		17		24,500
Z21D330	33(30～36)	20	26	65		21		20,000
Z21D390	39(35～43)	25	31	77		25		13,800
Z21D470	47(42～52)	30	38	93		30		13,500
Z21D560	56(50～62)	35	45	110		36		12,200
Z21D680	68(61～75)	40	56	135		44		11,500

Z21D820 to 102 (UL1449 (No. E331328）certified)

Part No.	Varistor voltage V1mA	Maximum allowable voltage		Clamping voltage (max.) V100A	Rated power	Maximum energy (2ms)	Maximum peak current (8/20μs)	Capacitance (TYP) (1kHz)
	Varistor voltage V1mA	AC	DC	Clamping voltage (max.) V100A	Rated power	Maximum energy (2ms)	Maximum peak current (8/20μs)	Capacitance (TYP) (1kHz)
	V	Vrms	V	V	W	J	A	pF
Z21D820	82(74～ 90)	50	65	135	1.0	40	6,500	7,500
Z21D101	100(90～110)	60	85	165		50		6,500
Z21D121	120(108～132)	75	100	200		60		5,500
Z21D151	150(135～165)	95	125	250		75		4,500
Z21D201	200(185～225)	130	170	340		100		1,700
Z21D221	220(198～242)	140	180	360		110		1,600
Z21D241	240(216～264)	150	200	395		120		1,500
Z21D271	270(247～303)	175	225	455		135		1,300
Z21D331	330(297～363)	210	270	545		160		1,100
Z21D361	360(324～396)	230	300	595		180		1,100
Z21D391	390(351～429)	250	320	650		195		1,100
Z21D431	430(387～473)	275	350	710		215		1,000
Z21D471	470(423～517)	300	385	775		250		900
Z21D511	510(459～561)	320	410	845		273		800
Z21D561	560(504～616)	350	450	930		273		750
Z21D681	680(612～748)	420	560	1,120		273		650
Z21D751	750(675～825)	460	615	1,240		300		600
Z21D821	820(738～902)	510	670	1,355		325		530
Z21D911	910(819～1,001)	550	745	1,500		360		500
Z21D102	1,000(900～1,100)	625	825	1,650		400		450

Dimensions

Part No.	Dmax.	Tmax.	W1(±1)	Hmax.	W2(±1)	φd
Z21D180	21.5	5.1	10.0	24.5	1.5	1.0
Z21D220		5.2			1.6
Z21D270		5.3			1.7
Z21D330		5.5			1.9
Z21D390		5.5			1.9
Z21D470		5.6			2.0
Z21D560		5.7			2.1
Z21D680		5.8			2.2
Z21D820		4.9			1.8
Z21D101		5.1			2.0
Z21D121		5.3			2.2
Z21D151		5.6			2.5
Z21D201		5.2			2.1
Z21D221		5.3			2.2
Z21D241		5.4			2.3
Z21D271		5.6			2.5
Z21D331		5.9			2.8
Z21D361		6.1			3.0
Z21D391		6.2			3.1
Z21D431		6.4			3.3
Z21D471		6.6			3.5
Z21D511		6.8			3.7
Z21D561	22.5	7.1		25.5	4.0
Z21D681		7.8			4.7
Z21D751		8.2			5.1
Z21D821		8.5			5.4
Z21D911		9.0			5.9
Z21D102		9.5			6.4

Unit: mm

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