"ZNR" Transient/Surge Absorbers (Type SC) "ZNR" Transient/Surge Absorbers Type: SC The ZNR Type SC protects power supply facilities, communications equipment from steep lightning surges, and it is a suitable product to incorporate it in a serge protective device corresponding to the Japanese Industrial Standards (JIS C 5381-1). Features Recommended Applications Very large surge withstanding capability with a compact size Fast response to steep impulse voltage Low clamping voltage for better surge protection No follow-on current RoHS compliant Power suppliers for OA, FA, telecommunication or industrial equipment Traffic or railroad systems Surge protection of automatic control devices for power distribution line Handling Precautions and Minimum Quantity / Packing Unit Please see Related Information Explanation of Part Numbers 1 2 3 4 5 6 7 8 & 3 ; 7 4 $ Series Shape Product Code Element Size 9 Type 10 Nominal Varistor Voltage 11 12 Design No. Dimensions in mm (not to scale) (unit : mm) T D Part Number Part Number ERZVS34C201 ERZVS34C241 ERZVS34C271 ERZVS34C361 ERZVS34C431 ERZVS34C471 ERZVS34C511 ERZVS34C621 ERZVS34C751 ERZVS34C821 ERZVS34C951 H ZNR Date code 18 25 7 36 H max. T max. 47 9.0 9.2 9.5 10.4 11.1 11.3 9.7 9.7 10.5 11.0 11.5 8 7 D max. 2-f3.4 Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 01 Aug. 2012 - 42 - "ZNR" Transient/Surge Absorbers (Type SC) Ratings and Characteristics Operating Temperature Range: -40 to 85 C Storage Temperature Range: -40 to 125 C Maximum Clamping Voltage Maximum Allowable Voltage Varistor Voltage Part Number V1mA (V) ACrms (V) ERZVS34C201 200(185 to 225) ERZVS34C241 240(216 to 264) Voltage Protection Level DC (V) V250 A 130 170 340 800 150 200 395 900 Nominal Discharge Current Maximum Discharge Current UP(V) (at In) In(8/20 s) ERZVS34C271 270(247 to 303) 175 225 455 1000 ERZVS34C361 360(324 to 396) 230 300 595 1200 ERZVS34C431 430(387 to 473) 275 350 710 1500 ERZVS34C471 470(423 to 517) 300 385 775 1500 ERZVS34C511 510(459 to 561) 320 415 845 1500 ERZVS34C621 620(558 to 682) 385 505 1025 2000 ERZVS34C751 750(675 to 825) 460 615 1240 2500 ERZVS34C821 820(738 to 902) 510 670 1355 2500 ERZVS34C951 950(855 to 1045) 575 765 1570 3000 Imax(8/20 s) 20 kA 40 kA Typical Characteristics Voltage vs. Current (ERZVS34C201 to ERZVS34C951) 10000 Max. Leakage Current Max. Clamping Voltage ERZVS34C951 ERZVS34C821 ERZVS34C751 ERZVS34C621 ERZVS34C511 ERZVS34C471 ERZVS34C431 ERZVS34C361 ERZVS34C271 ERZVS34C241 ERZVS34C201 ERZVS34C951 ERZVS34C821 ERZVS34C751 ERZVS34C621 ERZVS34C511 ERZVS34C471 Voltage (V) 1000 100 ERZVS34C431 ERZVS34C361 ERZVS34C271 ERZVS34C241 ERZVS34C201 Test Current Waveform 10-6 to 10-3 A: Direct Current 10-1 to 105 A: 8/20 s 10 1.E-06 1.E-05 1.E-04 1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 Current (A) Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 01 Aug. 2012 - 43 -