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.

カタログダウンロード

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)
AC DC
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)
AC DC
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