Zenamic Z7D

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

Z7D180 to 680

Part No. Varistor voltage V1mA Maximum allowable voltage Clamping voltage (max.) V2.5A Rated power Maximum energy (2ms) Maximum peak current ((8/20μs) Capacitance (TYP) (1kHz)
AC DC
V Vrms V V W J A pF
Z7D180 18(16~20) 11 14 36 0.02 0.9 250 3,800
Z7D220 22(20~24) 14 18 43 1.1 3,600
Z7D270 27(24~30) 17 22 53 1.3 3,400
Z7D330 33(30~36) 20 26 65 1.6 2,900
Z7D390 39(35~43) 25 31 77 1.9 1,600
Z7D470 47(42~52) 30 38 93 2.3 1,550
Z7D560 56(50~62) 35 45 110 2.7 1,500
Z7D680 68(61~75) 40 56 135 3.3 1,200

Z7D820 to 511 (UL1449 (No. E331328)certified)

Part No. Varistor voltage V1mA Maximum allowable voltage Clamping voltage (max.) V10A Rated power Maximum energy (2ms) Maximum peak current (8/20μs) Capacitance (TYP) (1kHz)
AC DC
V Vrms V V W J A pF
Z7D820 82(74~ 90) 50 65 135 0.25 5.0 1,250 810
Z7D101 100(90~110) 60 85 165 6.0 700
Z7D121 120(108~132) 75 100 200 7.0 590
Z7D151 150(135~165) 95 125 250 9.0 500
Z7D201 200(185~225) 130 170 340 12.5 200
Z7D221 220(198~242) 140 180 360 13.5 190
Z7D241 240(216~264) 150 200 395 15.0 170
Z7D271 270(247~303) 175 225 455 17.0 150
Z7D331 330(297~363) 210 270 545 20.0 130
Z7D361 360(324~396) 230 300 595 23.0 130
Z7D391 390(351~429) 250 320 650 25.0 130
Z7D431 430(387~473) 275 350 710 27.5 120
Z7D471 470(423~517) 300 385 775 30.0 1 100
Z7D511 510(459~561) 320 410 845 32.0 1 90

1Measured at 1 MHz

Dimensions

Part No. Dmax. Tmax. W1(±1) Hmax. W2(±1) φd
Z7D180 8.5 4.5 5.0 11.5 1.3 0.6
Z7D220 4.6 1.4
Z7D270 4.7 1.5
Z7D330 4.9 1.7
Z7D390 4.8 1.6
Z7D470 4.9 1.7
Z7D560 5.0 1.8
Z7D680 5.2 2.0
Z7D820 4.1 1.4
Z7D101 4.3 1.6
Z7D121 4.5 1.8
Z7D151 4.8 2.1
Z7D201 4.4 1.7
Z7D221 4.5 1.8
Z7D241 4.6 1.9
Z7D271 4.8 2.1
Z7D331 5.1 2.4
Z7D361 5.3 2.5
Z7D391 5.4 2.7
Z7D431 5.6 2.9
Z7D471 5.8 3.1
Z7D511 6.0 3.3

Unit: mm