HIEL CORPORATION
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D 14-series

  
SVR varistors for medium & high voltage ratings

1) Features

- UL, CSA and VDE safety approvals for standard products.
- Wide voltage range ratings suitable for ac 65V to 1,000V.
  (Varistor voltage range : 82 to 1,800V).
 

2) Recommended applications

- Semiconductor device (TR, Diode, IC, Thyristor or TRIAC etc.) protection.
- Surge protection in consumer electronics.
- Surge protection in communication, measuring or controller electronics.
- Surge protection in electronic home appliances, gas or petroleum appliances.
- Relay or electromagnetic valve surge absorption.

3) Related Standards

- UL1414, UL1449, CSA Class 2221 01, CECC 42 000 and CECC 42 200 (VDE).

4) Electrical characteristics

Operating temperature range : - 40 ∼ 85℃
Storage temperature range : - 40 ∼ 125℃
Temperature coefficient of varistor voltage : 0 ∼ - 0.05%/℃

Model No. Varistor voltage(V)
(1mA)		 Max.
continuous
voltage(V)		 Max.
clamping
voltage		 Power
dissipation		 Energy
(10/1000㎲)		 Peak current
(8/20㎲)
Min. VN(DC) Max. Vm(ac) Vm(dc) VC(V) IP (A) Ptam(W) Wtm(J) Itm(A)
S-series U-series S-series U-series
SVR820D14 74 82 90 50 65 135 50 0.6 14 28 4,500 6,000
SVR101D14 90 100 110 60 85 165 50 0.6 18 35 4,500 6,000
SVR121D14 108 120 132 75 100 200 50 0.6 20 42 4,500 6,000
SVR151D14 135 150 165 95 125 250 50 0.6 25 53 4,500 6,000
SVR181D14 162 180 198 115 150 300 50 0.6 30 62 4,500 6,000
SVR201D14 180 200 220 130 170 340 50 0.6 35 70 4,500 6,000
SVR221D14 198 220 242 140 180 360 50 0.6 40 78 4,500 6,000
SVR241D14 216 240 264 150 200 395 50 0.6 40 84 4,500 6,000
SVR271D14 243 270 297 175 225 455 50 0.6 50 99 4,500 6,000
SVR331D14 297 330 363 210 275 550 50 0.6 60 115 4,500 6,000
SVR361D14 324 360 396 230 300 595 50 0.6 65 130 4,500 6,000
SVR391D14 351 390 429 250 320 650 50 0.6 70 140 4,500 6,000
SVR431D14 387 430 473 275 350 710 50 0.6 75 155 4,500 6,000
SVR471D14 423 470 517 300 385 775 50 0.6 80 175 4,500 6,000
SVR561D14 504 560 616 300 455 925 50 0.6 80 190 4,500 6,000
SVR621D14 558 620 682 385 505 1,025 50 0.6 85 190 4,500 6,000
SVR681D14 612 680 748 420 560 1,120 50 0.6 90 190 4,500 6,000
SVR751D14 675 750 825 460 615 1,240 50 0.6 100 210 4,500 6,000
SVR781D14 702 780 858 485 640 1,290 50 0.6 105 220 4,500 6,000
SVR821D14 738 820 902 510 670 1,355 50 0.6 110 235 4,500 6,000
SVR911D14 819 910 1,001 550 745 1,500 50 0.6 120 235 4,500 6,000
SVR102D14 900 1,000 1,100 625 825 1,650 50 0.6 130 280 4,500 6,000
SVR112D14 990 1,00 1,210 680 895 1,815 50 0.6 140 310 4,500 6,000
SVR182D14 1,620 1,800 1,980 1,000 1,465 2,970 50 0.6 240   4,500