"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 electronic equipment or semiconductor devices from switching and induced lightning surges. Features Recommended Applications Very large surge withstanding capability with a compact size Direct mounting on boards like a power distribution board available Fast response to steep impulse voltage Low clamping voltage for better surge protection RoHS compliant Transistor, diode, IC, thyristor or triac semiconductor protection Surge protection in industrial power plant operations Relay or electromagnetic valve surge absorption Surge absorption applications in broadcasting, communications devices, traffic/railroad, agricultural facilities, waterworks Surge protection of automatic control devices for power distribution line Related Standards [UL/CSA recognized models are available on request] UL1449 File No. E321499 (Title: Surge Protective Devices) 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 office. Note: Ask our factory for Product Specification before use. Handling Precautions and Minimum Quantity / Packing Unit Please see Related Information Explanation of Part Numbers 1 2 3 4 & 3 ; $ 5 Product Code 6 Element Size 7 8 & , Type Tolerance 9 10 11 Nominal Varistor Voltage 12 Design No. Dimensions in mm (not to scale) W H L ERZC20EK 481 421 391 ERZC32EK 601 551 511 24 ISO M4 4.3 Part No. L W H 5 12 ZNR Part No. Date code 14 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 - 44 - "ZNR" 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 Part No. ERZC20EK201 ERZC20EK241 ERZC20EK271 ERZC20EK361 ERZC20EK391 ERZC20EK431 ERZC20EK471 ERZC20EK511 ERZC20EK621 ERZC20EK681 ERZC20EK751 ERZC20EK781 ERZC20EK821 ERZC20EK911 ERZC20EK102 ERZC20EK112 Varistor Voltage Maximum Allowable Voltage V1 mA (V) ACrms (V) DC (V) 170 200 (185 to 225) 130 200 240 (216 to 264) 150 225 270 (247 to 303) 175 300 360 (324 to 396) 230 320 390 (351 to 429) 250 350 430 (387 to 473) 275 385 470 (423 to 517) 300 415 510 (459 to 561) 320 505 620 (558 to 682) 385 560 680 (612 to 748) 420 615 750 (675 to 825) 460 640 780 (702 to 858) 485 670 820 (738 to 902) 510 745 910 (819 to 1001) 550 825 1000 (900 to 1100) 625 895 1100 (990 to 1210) 680 Maximum Clamping Voltage Rated Power Energy (2 ms) V100 A (V) 340 395 455 595 650 710 775 845 1025 1120 1240 1290 1355 1500 1650 1815 (W) 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 (J) 80 95 100 120 130 140 150 150 160 175 190 200 215 240 245 250 Maximum Clamping Voltage Rated Power Energy (2 ms) V200 A (V) 340 395 455 595 650 710 775 845 1025 1120 1240 1290 1355 1500 1650 1815 (W) 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 (J) 210 240 255 325 350 400 405 405 415 450 500 520 545 600 620 640 Maximum Typical Peak Current Capacitance (8/20 s) (Reference) 1 time 2 times (A) (A) at 1kHz (pF) 2300 8000 5000 1500 8000 5000 1400 8000 5000 1300 8000 5000 1200 8000 5000 1000 8000 5000 950 8000 5000 930 8000 5000 900 8000 5000 850 8000 5000 800 8000 5000 800 8000 5000 700 8000 5000 700 8000 5000 400 8000 5000 350 8000 5000 32 Series Ratings and Characteristics (ERZC32EK) Operating Temperature Range : -40 to 85 C Storage Temperature Range : -40 to 110 C Part No. ERZC32EK201 ERZC32EK241 ERZC32EK271 ERZC32EK361 ERZC32EK391 ERZC32EK431 ERZC32EK471 ERZC32EK511 ERZC32EK621 ERZC32EK681 ERZC32EK751 ERZC32EK781 ERZC32EK821 ERZC32EK911 ERZC32EK102 ERZC32EK112 Varistor Voltage Maximum Allowable Voltage V1 mA (V) ACrms (V) DC (V) 170 200 (185 to 225) 130 200 240 (216 to 264) 150 225 270 (247 to 303) 175 300 360 (324 to 396) 230 320 390 (351 to 429) 250 350 430 (387 to 473) 275 385 470 (423 to 517) 300 415 510 (459 to 561) 320 505 620 (558 to 682) 385 560 680 (612 to 748) 420 615 750 (675 to 825) 460 640 780 (702 to 858) 485 670 820 (738 to 902) 510 745 910 (819 to 1001) 550 825 1000 (900 to 1100) 625 895 1100 (990 to 1210) 680 Maximum Typical Peak Current Capacitance (8/20 s) (Reference) 1 time 2 times (A) (A) at 1kHz (pF) 5500 25000 20000 5000 25000 20000 4200 25000 20000 3500 25000 20000 3000 25000 20000 2500 25000 20000 2500 25000 20000 2400 25000 20000 2200 25000 20000 2100 25000 20000 2000 25000 20000 1900 25000 20000 1800 25000 20000 1700 25000 20000 1000 25000 20000 800 25000 20000 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 - 45 - "ZNR" Transient/Surge Absorbers (Type E) Typical Characteristics (Type E) .BY-FBLBHF$VSSFOU Voltage vs. Current (ERZC20EK201 to ERZC20EK511) .BY$MBNQJOH7PMUBHF 2000 1000 900 800 700 600 &, $ &3; , & $ &3; , & $ &3; &, ;$ &3 500 Voltage (V) &3;$&, &3;$&, &3;$&, &3;$&, &3;$&, &3;$&, &3;$&, 400 300 &3;$&, &, &, ;$ ;$ &3 200 &3 &, $ &3; &, ;$ &3 100 90 80 70 60 Test Current Waveform 10-6 to 10-3 A: Direct Current 10-1 to 104 A: 8/20 s 50 40 30 10-6 (ERZC20EK621 to ERZC20EK112) 10-5 10-4 10-3 10-2 10-1 100 Current (A) .BY-FBLBHF$VSSFOU 101 102 103 104 105 .BY$MBNQJOH7PMUBHF 4000 &3;$&, &3;$&, &3;$&, &3;$&, &3;$&, &3;$&, &3;$&, 3000 Voltage (V) 2000 &3;$&, , & ;$ , &3 & ;$ , &3 & ;$ &3 , & ;$ &3 &, $ , ; &3 & ;$ , &3 & ;$ &3 1000 900 800 700 600 500 , & ;$ &3 400 300 Test Current Waveform 10-6 to 10-3 A: Direct Current 10-1 to 104 A: 8/20 s 200 10-6 10-5 10-4 10-3 10-2 10-1 100 Current (A) 101 102 103 104 105 Impulse Derating Curve (Relation between impulse width and surge, repetitively) 20 Series (ERZC20EK201 to ERZC20EK271) 20 Series (ERZC20EK361 to ERZC20EK681) 10000 8000 6000 10000 8000 6000 4000 4000 2000 1000 800 600 400 1 2 m e Ti 10 200 100 80 60 40 20 Ti m Ti es 10 2 me s Ti m 10 3 es Ti 10 4 mes Tim es 10 5 T 10 6 imes Tim es Impulse Current (A) Impulse Current (A) 2000 1000 800 600 400 200 100 80 60 40 20 10000 8000 6000 2 times : 5 minutes to 10 times : 2 minutes 6 to 10 times : 10 seconds 1 2000 Ti m 10 2 Ti e Ti m e es s m 10 2 Ti m 10 3 es Ti m es 10 4 Tim es 10 5 Ti 10 6 mes Tim es 1000 800 600 400 200 100 80 60 40 20 10 8 6 4 10 8 6 4 2 2 2 1 1 10 8 6 4 20 100 1000 Impulse Width (s) 10000 20 2 times : 5 minutes to 10 times : 2 minutes to 106 times : 10 seconds 4000 Impulse Current (A) 2 times : 5 minutes to 10 times : 2 minutes 6 to 10 times : 10 seconds 20 Series (ERZC20EK751 to ERZC20EK112) 2 1 Ti m Ti e m es 10 Ti m es 10 2 10 3 Tim T es 10 4 ime s Ti 10 5 mes T 10 6 imes Tim es 1 100 1000 Impulse Width (s) 10000 20 100 1000 Impulse Width (s) 10000 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 - 46 - "ZNR" Transient/Surge Absorbers (Type E) Typical Characteristics (Type E) .BY-FBLBHF$VSSFOU Voltage vs. Current (ERZC32EK201 to ERZC32EK511) .BY$MBNQJOH7PMUBHF &3;$&, &3;$&, &3;$&, &3;$&, &3;$&, 2000 Voltage (V) 1000 900 800 700 600 &3;$&, &3;$&, &3;$&, , & $ ; , &3 & ;$ &3 &, $ ; &3 , & ;$ &3 500 400 300 &, ;$ , &3 $& ; &3 , & ;$ &, 3 & ;$ &3 200 100 90 80 70 60 50 Test Current Waveform 10-6 to 10-3 A: Direct Current 10-1 to 104 A: 8/20 s 40 30 10-6 (ERZC32EK621 to ERZC32EK112) 10-5 10-4 10-3 10-2 10-1 100 Current (A) .BY-FBLBHF$VSSFOU 4000 101 102 103 104 &3;$&, &3;$&, &3;$&, &3;$&, &3;$&, &3;$&, &3;$&, &3;$&, .BY$MBNQJOH7PMUBHF 3000 Voltage (V) 2000 105 , & $ &, ; &3 $ , ; & &3 $ ; &3 &, ;$ &, 3 & $ , ; & &3 $ ; &3 &, $ ; &3 1000 900 800 700 600 500 &, ;$ 3 & 400 300 Test Current Waveform 10-6 to 10-3 A: Direct Current 10-1 to 104 A: 8/20 s 200 10-6 10-5 10-4 10-3 10-2 10-1 100 Current (A) 101 103 102 104 105 Impulse Derating Curve (Relation between impulse width and surge, repetitively) 2 times : 5 minutes to 10 times : 2 minutes 6 to 10 times : 10 seconds 20000 10000 8000 6000 Ti m 400 200 10 4 100 80 60 10 5 10 6 Tim es Tim Ti m 1 es 4000 Ti 10 1000 800 600 m 2 e 2000 Ti m es Tim 10 3 es Tim es 10 2 400 200 100 80 60 10 4 10 5 40 es 10 6 Tim es 20 2 20 Tim Tim es 1000 800 600 Tim 200 10 3 100 80 60 10 4 10 8 6 10 8 6 4 4 4 2 2 100 1000 Impulse Width (s) 10000 20 m es es Tim 10 5 10 6 20 es es Ti 40 es m 1 10 2 0 T im 400 10 8 6 20 Ti e Ti m e 10 2 s Tim es 10 3 Tim es 1000 800 600 40 2000 10000 8000 6000 m 10 4000 Ti m e es 2 times : 5 minutes to 10 times : 2 minutes 6 to 10 times : 10 seconds 20000 Ti Impulse Current (A) 1 2 10000 8000 6000 32 Series (ERZC32EK751 to ERZC32EK112) 1 2000 2 times : 5 minutes to 10 times : 2 minutes 6 to 10 times : 10 seconds 20000 Impulse Current (A) 4000 32 Series (ERZC32EK361 to ERZC32EK681) Impulse Current (A) 32 Series (ERZC32EK201 to ERZC32EK271) es Tim es es Tim Tim es 2 100 1000 Impulse Width (s) 10000 20 100 1000 10000 Impulse Width (s) 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 - 47 - "ZNR" Transient/Surge Absorbers (Type E) Performance Characteristics (Type E) Electrical Characteristics Test Methods/Description Specifications Standard Test Condition Electrical characteristics shall be measured at following conditions (Temperature: 5 to 35 C,Humidity: Max. 85 %) ------ Varistor Voltage The voltage between two terminals with the specified measuring current CmA DC applied is called Vc or VCmA. The measurement shall be made as fast as possible to avoid heat affection. Maximum Allowable Voltage The maximum sinusoidal wave voltage (rms) or the maximum DC voltage that can be applied continuously. Clamping Voltage The maximum voltage between two terminals with the specified standard impulse current (8/20 s). Rated Power The maximum power that can be applied within the specified To meet the ambient temperature. specified value. Energy The maximum energy within the varistor voltage change of 10 % when one impulse of 2 ms is applied. Maximum Peak Current The maximum current within the varistor voltage change of 10 % 2 times with the standard impulse current (8/20 s) applied two times with an interval of 5 minutes. 1 time The maximum current within the varistor voltage change of 10 % with the standard impulse current (8/20 s) applied one time. Temperature Coefficient VC at 70 C - VC at 20 C x 1 x 100 (%/C) of Varistor Voltage VC at 20 C 50 Impulse Life 0 to -0.05 %/C max. The change of Vc shall be measured after the impulse listed below is applied 10000 times continuously with the interval of ten seconds at room temperature. V1 mA /V1 mA < 10 % 20 Series 32 Series 200 A (8/20 s) 300 A (8/20 s) Mechanical Withstanding Voltage The commercial frequency voltage of AC 2.5 kV shall be applied No remarkable between terminals and the bottom of the unit for one minute. damage (Body Insulation) Robustness of Terminations (Tensile) After gradually applying the load of 49 N (5 kgf) and keeping the unit fixed for 10 seconds in an axial direction, the terminal shall be visually examined for any damage. Vibration After repeadly applying a single harmonic vibration (amplitude: No remarkable 0.75 mm): double amplitude: 1.5 mm with 1 minute vibration damage frequency cycles (10 Hz to 55 Hz to 10 Hz) to each of three perpendicular directions for 2 hours. Thereafter, the damage of the terminals is visually examined. Environmental Dry Heat/ High Temperature Storage The specimen shall be subjected to 1103 C for 500 hours in a thermostatic bath without load and then stored at room temperature and humidity for one to two hours. Thereafter, the change of Vc shall be measured. Step 1 2 3 4 Temperature (C) 0 -25 -3 Room Temp. 85+30 Room Temp. Period (minutes) 30+30 3 max. 30+30 3 max. V1 mA /V1 mA < 5 % Temperature Cycle The temperature cycle shown below shall be repeated five No remarkable times and then stored at room temperature and humidity for damage one to two hours. The change of Vc and mechanical damage V1 mA /V1 mA 5 % < shall be examined. Dry Heat Load/ High Temperature Load After being continuously applied the Maximum Allowable Voltage at 855 C for 500 hours, the specimen shall be stored at room V1 mA 1 mA /V < 10 % temperature and humidity for one to two hours. Thereafter, the change of Vc shall be measured. The specimen shall be subjected to 402 C, 90 to 95 %RH for Damp Heat/Humidity 1000 hours without load and then stored at room temperature V1 mA 1 mA 5 % /V < (Steady State) and humidity for one to two hours. Thereafter, the change of Vc shall be measured. 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 - 48 -