HIEL CORPORATION
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D 10-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
SVR820D10 74 82 90 50 65 135 25 0.4 8 14 2,500 3,500
SVR101D10 90 100 110 60 85 165 25 0.4 10 17 2,500 3,500
SVR121D10 108 120 132 75 100 200 25 0.4 12 20 2,500 3,500
SVR151D10 135 150 165 95 125 250 25 0.4 16 25 2,500 3,500
SVR181D10 162 180 198 115 150 300 25 0.4 18 30 2,500 3,500
SVR201D10 180 200 220 130 170 340 25 0.4 20 35 2,500 3,500
SVR221D10 198 220 242 140 180 360 25 0.4 23 39 2,500 3,500
SVR241D10 216 240 264 150 200 395 25 0.4 25 42 2,500 3,500
SVR271D10 243 270 297 175 225 455 25 0.4 30 49 2,500 3,500
SVR331D10 297 330 363 210 275 550 25 0.4 30 58 2,500 3,500
SVR361D10 324 360 396 230 300 595 25 0.4 35 65 2,500 3,500
SVR391D10 351 390 429 250 320 650 25 0.4 40 70 2,500 3,500
SVR431D10 387 430 473 275 350 710 25 0.4 45 80 2,500 3,500
SVR471D10 423 470 517 300 385 775 25 0.4 45 85 2,500 3,500
SVR561D10 504 560 616 300 455 925 25 0.4 45 92 2,500 3,500
SVR621D10 558 620 682 385 505 1,025 25 0.4 45 92 2,500 3,500
SVR681D10 612 680 748 420 560 1,120 25 0.4 45 92 2,500 3,500
SVR751D10 675 750 825 460 615 1,240 25 0.4 50 100 2,500 3,500
SVR781D10 702 780 858 485 640 1,290 25 0.4 50 104 2,500 3,500
SVR821D10 738 820 902 510 670 1,355 25 0.4 55 110 2,500 3,500
SVR911D10 819 910 1,001 550 745 1,500 25 0.4 60 130 2,500 3,500
SVR102D10 900 1,000 1,100 625 825 1,650 25 0.4 65 140 2,500 3,500
SVR112D10 990 1,000 1,210 680 895 1,815 25 0.4 70 155 2,500 3,500