HIEL CORPORATION
  D 32-series   R 34-series  
     
 
D 34-SERIES

  
Case type of SVR varistor

1) Features

- Direct mounting is available on boards like
  a power distribution board.
- Excellent surge protection even in low clamping voltage
- Varistor voltage available: 200∼1,100V
 

2) Recommended applications

- Surge protection in industrial power plant operations
- On/off surge absorption of relay, or electromagnetic valve
- Surge absorption in applications of broad casting, communication devices,traffic/railroad, agricultural facilities, waterworks.
- Surge protection of automatic control devices for power distribution line.

3) 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) Wmax(2ms)J Itm(A)
SVR201D34 180 200 220 130 170 340 300 1.4 310 40,000
SVR241D34 216 240 264 150 200 395 300 1.4 360 40,000
SVR271D34 247 270 297 175 225 455 300 1.4 410 40,000
SVR361D34 324 360 396 230 300 595 300 1.4 460 40,000
SVR391D34 351 390 429 250 320 650 300 1.4 490 40,000
SVR431D34 387 430 473 275 350 710 300 1.4 550 40,000
SVR471D34 423 470 517 300 385 775 300 1.4 590 40,000
SVR511D34 459 510 561 320 415 845 300 1.4 630 40,000
SVR561D34 504 560 616 350 455 925 300 1.4 720 40,000
SVR621D34 558 620 682 385 505 1,025 300 1.4 800 40,000
SVR681D34 612 680 748 420 560 1,120 300 1.4 910 40,000
SVR751D34 675 750 825 460 615 1,240 300 1.4 960 40,000
SVR781D34 702 780 858 485 640 1,290 300 1.4 960 40,000
SVR821D34 738 820 902 510 670 1,355 300 1.4 960 40,000
SVR911D34 819 910 1,001 550 745 1,500 300 1.4 960 40,000
SVR102D34 900 1,000 1,100 625 825 1,650 300 1.4 1,100 40,000
SVR112D34 990 1,100 1,210 680 895 1,815 300 1.4 1,100 40,000