ERZC20EK751

ZNR Transient/Surge Absorbers (Type E) ZNR Transient/Surge Absorbers Type: E The ZNR Type E is capable of handling larger surge energy than Type D in applications to protect electr on ic equipment or semi con duc tor devices from switch ing and induced light ning surg es. Features Recommended Applications Very large surge withstanding capability with a Transistor, diode, IC, thyristor or triac semi con duc tor compact size pro tectio n Direct mounting on boards like a power distribution Surge protection in industrial power plant operations board available Relay or electromagnetic valve surge absorption Fast response to steep impulse voltage Surge absorption applications in broadcasting, Low clamping voltage for better surge protection communications devices, traffic/railroad, agricultural RoHS compliant facilities, waterworks Surge protection of automatic control devices for Related Standards power distribution line UL/CSA recognized models are available on request UL1449 File No. E321499 Note: Ask our factory for Product Spec ification before (Title: Surge Protective Devices) use. CSA C22.2 No.1 Class 2221 01 File No. LR-92226 (Title: Accessories and Parts for Electronic Products) Each type designation is not registered by Part Number. If you have any question on type designation, please contact and ask our of ce. Handling Precautions and Minimum Quantity / Packing Unit Please see Related Information Explanation of Part Numbers 1 2 3 4 5 6 78 9 10 11 12 & 3 &, Product Code Element Size Type Tolerance Nominal Design No. Varistor Voltage Dimensions in mm (not to scale) ISO 24 Part No. W H L M4 ERZC20EK 481 421 391 ERZC32EK 601 551 511 L W 12 ZNR Part No. Date code 14 Design and speci cations are each subject to change without notice. Ask factory for the current technical speci cations before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 01 Aug. 2012 44 H 5 4.3ZNR Transient/Surge Absorbers (Type E) 20 Series Ratings and Characteristics (ERZC20EK) Operating Temperature Range : 40 to 85 C Storage Temperature Range : 40 to 110 C Maximum Maximum Maximum Typical Peak Current Varistor Rated Energy Allowable Clamping Capacitance (8/20 s) Part No. Voltage Power (2 ms) Voltage Voltage (Reference) 1 time 2 times V1 mA (V) ACrms (V) DC (V) V100 A (V) (W) (J) (A) (A) at 1kHz (pF) ERZC20EK201 200 (185 to 225) 130 170 340 0.8 80 8000 5000 2300 ERZC20EK241 240 (216 to 264) 150 200 395 0.8 95 8000 5000 1500 ERZC20EK271 270 (247 to 303) 175 225 455 0.8 100 8000 5000 1400 ERZC20EK361 360 (324 to 396) 230 300 595 0.8 120 8000 5000 1300 ERZC20EK391 390 (351 to 429) 250 320 650 0.8 130 8000 5000 1200 ERZC20EK431 430 (387 to 473) 275 350 710 0.8 140 8000 5000 1000 ERZC20EK471 470 (423 to 517) 300 385 775 0.8 150 8000 5000 950 ERZC20EK511 510 (459 to 561) 320 415 845 0.8 150 8000 5000 930 ERZC20EK621 620 (558 to 682) 385 505 1025 0.8 160 8000 5000 900 ERZC20EK681 680 (612 to 748) 420 560 1120 0.8 175 8000 5000 850 ERZC20EK751 750 (675 to 825) 460 615 1240 0.8 190 8000 5000 800 ERZC20EK781 780 (702 to 858) 485 640 1290 0.8 200 8000 5000 800 ERZC20EK821 820 (738 to 902) 510 670 1355 0.8 215 8000 5000 700 ERZC20EK911 910 (819 to 1001) 550 745 1500 0.8 240 8000 5000 700 ERZC20EK102 1000 (900 to 1100) 625 825 1650 0.8 245 8000 5000 400 ERZC20EK112 1100 (990 to 1210) 680 895 1815 0.8 250 8000 5000 350 32 Series Ratings and Characteristics (ERZC32EK) C Operating Temperature Range : 40 to 85 C Storage Temperature Range : 40 to 110 Maximum Maximum Maximum Typical Varistor Rated Energy Peak Current Allowable Clamping Capacitance Voltage Power (2 ms) (8/20 s) Part No. Voltage Voltage (Reference) 1 time 2 times V1 mA (V) ACrms (V) DC (V) V200 A (V) (W) (J) (A) (A) at 1kHz (pF) ERZC32EK201 200 (185 to 225) 130 170 340 1.2 210 25000 20000 5500 ERZC32EK241 240 (216 to 264) 150 200 395 1.2 240 25000 20000 5000 ERZC32EK271 270 (247 to 303) 175 225 455 1.2 255 25000 20000 4200 ERZC32EK361 360 (324 to 396) 230 300 595 1.2 325 25000 20000 3500 ERZC32EK391 390 (351 to 429) 250 320 650 1.2 350 25000 20000 3000 ERZC32EK431 430 (387 to 473) 275 350 710 1.2 400 25000 20000 2500 ERZC32EK471 470 (423 to 517) 300 385 775 1.2 405 25000 20000 2500 ERZC32EK511 510 (459 to 561) 320 415 845 1.2 405 25000 20000 2400 ERZC32EK621 620 (558 to 682) 385 505 1025 1.2 415 25000 20000 2200 ERZC32EK681 680 (612 to 748) 420 560 1120 1.2 450 25000 20000 2100 ERZC32EK751 750 (675 to 825) 460 615 1240 1.2 500 25000 20000 2000 ERZC32EK781 780 (702 to 858) 485 640 1290 1.2 520 25000 20000 1900 ERZC32EK821 820 (738 to 902) 510 670 1355 1.2 545 25000 20000 1800 ERZC32EK911 910 (819 to 1001) 550 745 1500 1.2 600 25000 20000 1700 ERZC32EK102 1000 (900 to 1100) 625 825 1650 1.2 620 25000 20000 1000 ERZC32EK112 1100 (990 to 1210) 680 895 1815 1.2 640 25000 20000 800 Design and speci cations are each subject to change without notice. Ask factory for the current technical speci cations before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 01 Aug. 2012 45