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
SVR820D20 74 82 90 50 65 135 100 1.0 27 56 6,500 10,000
SVR101D20 90 100 110 60 85 165 100 1.0 30 70 6,500 10,000
SVR121D20 108 120 132 75 100 200 100 1.0 40 85 6,500 10,000
SVR151D20 135 150 165 95 125 250 100 1.0 50 106 6,500 10,000
SVR181D20 162 180 198 115 150 300 100 1.0 60 126 6,500 10,000
SVR201D20 180 200 220 130 170 340 100 1.0 70 140 6,500 10,000
SVR221D20 198 220 242 140 180 360 100 1.0 75 155 6,500 10,000
SVR241D20 216 240 264 150 200 395 100 1.0 80 168 6,500 10,000
SVR271D20 243 270 297 175 225 455 50 1.0 90 190 6,500 10,000
SVR331D20 297 330 363 210 275 550 100 1.0 105 228 6,500 10,000
SVR361D20 324 360 396 230 300 595 100 1.0 120 255 6,500 10,000
SVR391D20 351 390 429 250 320 650 100 1.0 130 275 6,500 10,000
SVR431D20 387 430 473 275 350 710 100 1.0 140 303 6,500 10,000
SVR471D20 423 470 517 300 385 775 100 1.0 150 350 6,500 10,000
SVR561D20 504 560 616 300 455 925 100 1.0 150 382 6,500 10,000
SVR621D20 558 620 682 385 505 1,025 100 1.0 150 382 6,500 10,000
SVR681D20 612 680 748 420 560 1,120 100 1.0 160 382 6,500 10,000
SVR751D20 675 750 825 460 615 1,240 100 1.0 175 420 6,500 10,000
SVR781D20 702 780 858 485 640 1,290 100 1.0 180 435 6,500 10,000
SVR821D20 738 820 902 510 670 1,355 100 1.0 190 460 6,500 10,000
SVR911D20 819 910 1,001 550 745 1,500 100 1.0 215 510 6,500 10,000
SVR102D20 900 1,000 1,100 625 825 1,650 100 1.0 230 565 6,500 10,000
SVR112D20 990 1,000 1,210 680 895 1,815 50 1.0 250 620 6,500 10,000
SVR182D20 1,620 1,800 1,980 1,000 1,465 2,970 100 1.0 400   6,500