1-2176082-5

WIREWOUND ANTI-SURGE RESISTORS TYPE EP SERIES INTRODUCTION TE Connectivity (TE) is pleased to offer this wire wound axial leaded resistor. Robustly manufactured with high quality materials this resistor offers flame proof coating and is designed and tested to withstand power surges of up to 12KV. In line with our commitment to increasing power to size ratio we are now also able to offer this series in extra-small size. FEATURES • Power up to 10W in Extra Small Size • 22 Size/Power Options • Specially Designed and Tested for Surge Immunity • RoHS Compliant with no exemptions CHARACTERISTICS – ELECTRICAL Size Normal size Type Rated Power at 70° C Maximum Working Voltage Maximum Overload Voltage Dielectric Withstanding Voltage Resistance Range EP05W 1/2W (0.50W) 500 V 1,000 V 350 V 10Ω – 560Ω EP1W 1W 500 V 1,000 V 500 V 10Ω– 1KΩ EP2W 2W 500 V 1,000 V 500 V 10Ω – 2KΩ EP3W 3W 500 V 1,000 V 500 V 10Ω – 3KΩ EP5W 5W 500 V 1,000 V 500 V 10Ω – 5KΩ EP7W 7W 500 V 1,000 V 500 V 10Ω – 6KΩ EP8W 8W 500 V 1,000 V 500 V 10Ω – 10KΩ EP9W 9W 500 V 1,000 V 500 V 10Ω – 15KΩ Operating Temperature Range -55⁰C ~ +155⁰C Wirewound Anti-Surge Resistors Type EP Series CHARACTERISTICS – ELECTRICAL Size Small size Extra small size Type Rated Power at 70° C Maximum Working Voltage Maximum Overload Voltage Dielectric Withstanding Voltage Resistance Range EP1WS 1W 500 V 1,000 V 350 V 10Ω – 560Ω EP2WS 2W 500 V 1,000 V 500 V 10Ω – 1KΩ EP3WS 3W 500 V 1,000 V 500 V 10Ω – 2KΩ EP5WS 5W 500 V 1,000 V 500 V 10Ω – 3KΩ EP7WS 7W 500 V 1,000 V 500 V 10Ω – 5KΩ EP8WS 8W 500 V 1,000 V 500 V 10Ω – 6KΩ EP9WS 9W 500 V 1,000 V 500 V 10Ω – 10KΩ EP10WS 10W 500 V 1,000 V 500 V 10Ω – 15KΩ EP1WSSS 1W 500 V 1,000 V 350 V 1Ω – 560Ω EP1WSS 1W 500 V 1,000 V 350 V 1Ω – 750Ω EP2WSS 2W 500 V 1,000 V 350 V 1Ω – 910Ω EP3WSS 3W 500 V 1,000 V 500 V 1Ω – 2.2KΩ EP4WSS 4W 500 V 1,000 V 500 V 1Ω – 2.2KΩ EP10WSS 10W 500 V 1,000 V 500 V 1Ω – 10KΩ Operating Temperature Range -55⁰C to +155⁰C -55⁰C to +155⁰C *Maximum working voltage: 500V Maximum overload voltage: 1,000V Dielectric withstanding voltage: Dimension: ≤3.5x10 : 350V >3.5x10 : 500V Voltage rating: Resistor shall have a rated Directed-Current (DC) continuous working voltage or an appropriate sine-wave root-mean-square (RMS) alternating-current (AC) Continuous working voltage at commercial line frequency and waveform corresponding to the power rating, as determined from the following formula: RCWV = √PxR Note: Maximum Working Voltage or √(PxR) whichever is lesser. Maximum Overload Voltage or 2.5√(PxR) whichever is lesser. Were: RCWV = Rated DC are RMS AC continuous working voltage at commercial-line frequency and waveform (Volt) P = Power Rating (watt) R = Nominal Resistance (ohm) In no case shall the rated DC or RMS AC continuous working voltage be greater than the applicable maximum value INDUSTRIAL / TYPE EP SERIES 2 Wirewound Anti-Surge Resistors Type EP Series DERATING CURVE +700C PERCENT RATED LOAD (%) 100 +2750C +1550C 80 60 40 20 0 -55 0 50 100 150 200 250 AMBIENT TEMPERATURE (0C) 300 For resistors operated in ambient temperatures above 70°C, power rating must be derated in accordance with this curve. SURGE RATING Low Resistance Range Maximum Surge Voltage Medium Resistance Range Maximum Surge Voltage High Resistance Range Maximum Surge Voltage EP05W 10Ω – 40Ω 3KV 43Ω – 240Ω 4KV 270Ω – 560Ω 4KV EP1W 10Ω – 50Ω 4KV 51Ω – 240 Ω 5KV 270Ω – 1kΩ 5KV EP2W 10Ω – 100Ω 5KV 110Ω – 240Ω 6KV 270Ω – 2kΩ 6KV EP3W 10Ω – 100Ω 7KV 110Ω – 680Ω 8KV 750Ω – 3kΩ 8KV EP5W 10Ω – 160Ω 8KV 180Ω – 680Ω 9KV 750Ω – 5kΩ 9KV EP7W 10Ω – 160Ω 9KV 180Ω – 680Ω 10KV 750Ω – 6kΩ 10KV EP8W 10Ω – 160Ω 10KV 180Ω – 680Ω 11KV 750Ω – 10kΩ 11KV EP9W 10Ω – 160Ω 10KV 180Ω – 680Ω 11KV 750Ω – 15kΩ 12KV Type Small Size EP1WS 10Ω – 40Ω 3KV 43Ω – 240Ω 4KV 270Ω – 560Ω 4KV EP2WS 10Ω – 50Ω 4KV 51Ω – 240 Ω 5KV 270Ω – 1kΩ 5KV EP3WS 10Ω – 100Ω 5KV 110Ω – 240Ω 6KV 270Ω – 2kΩ 6KV EP5WS 10Ω – 100Ω 7KV 110Ω – 680Ω 8KV 750Ω – 3kΩ 8KV EP7WS 10Ω – 160Ω 8KV 180Ω – 680Ω 9KV 750Ω – 5kΩ 9KV EP8WS 10Ω – 160Ω 9KV 180Ω – 680Ω 10KV 750Ω – 6kΩ 10KV EP9WS 10Ω – 160Ω 10KV 180Ω – 680Ω 11KV 750Ω – 10kΩ 11KV EP10WS 10Ω – 160Ω 10KV 180Ω – 680Ω 11KV 750Ω – 15kΩ 12KV INDUSTRIAL / TYPE EP SERIES 3 Wirewound Anti-Surge Resistors Type EP Series SURGE RATING Type Low Resistance Range Maximum Surge Voltage Medium Resistance Range Maximum Surge Voltage High Resistance Range Maximum Surge Voltage Extra Small Size EP1WSSS 1Ω – 40Ω 1.5KV 43Ω – 240Ω 2KV 270Ω – 560Ω 2.5KV EP1WSS 1Ω – 40Ω 1.8KV 43Ω – 240Ω 3KV 270Ω – 750Ω 4KV EP2WSS 1Ω – 40Ω 2KV 43Ω – 240Ω 3KV 270Ω – 910Ω 4KV EP3WSS 1Ω – 100Ω 3KV 110Ω – 240Ω 4KV 270Ω – 2k2Ω 5KV EP4WSS 1Ω – 100Ω 4KV 110Ω – 240Ω 5KV 270Ω – 2k2Ω 6KV EP10WSS 1Ω – 160Ω 9KV 180Ω – 680Ω 10KV 750Ω – 10kΩ 10KV Surge Waveform (1.2 /50 µs) 1.2 / 50 µs Voltage Capability INDUSTRIAL / TYPE EP SERIES 4 Wirewound Anti-Surge Resistors Type EP Series CONSTRUCTION No. Name Material 1 Basic Body Rod Type Ceramics 2 Resistance Wire Resistance Wire Alloy 3 End Cap Steel (Tin plated iron surface) 4 Lead Wire Annealed copper wire coated with tin 5 Joint By welding 6 Coating Insulated & Non-Flame paint (colour: Light Green) 7 Colour Code Non-Flame epoxy resin DIMENSIONS AND RESISTANCE RANGE Type EP05W Power Rating at 70 O C Dimensions (mm) D±1 L±1 d ± 0.05 H±3 1/2W (0.50W) 3.5 10.0 0.54 28 EP1W 1W 5.0 12.0 0.70 28 EP2W 2W 5.5 16.0 0.70 28 EP3W 3W 6.5 17.5 0.75 28 EP5W 5W 8.5 25.0 0.75 38 EP7W 7W 8.5 30.0 0.75 38 EP8W 8W 8.5 40.0 0.75 38 EP9W 9W 8.5 53.0 0.75 38 EP1WS 1W-S 3.5 10.0 0.54 28 EP2WS 2W-S 5.0 12.0 0.70 28 EP3WS 3W-S 5.5 16.0 0.70 28 EP5WS 5W-S 6.5 17.5 0.75 28 EP7WS 7W-S 8.5 25.0 0.75 38 EP8WS 8W-S 8.5 30.0 0.75 38 EP9WS 9W-S 8.5 40.0 0.75 38 EP10WS 10W-S 8.5 53.0 0.75 38 EP1WSSS 1W-SSS 2.5 6.8 0.54 28 EP1WSS 1W-SS 3.0 9.0 0.54 28 EP2WSS 2W-SS 3.5 10.0 0.54 28 EP3WSS 3W-SS 5.5 13.5 0.70 28 EP4WSS 4W-SS 5.5 16.0 0.70 28 EP10WSS 10W-SS 8.5 40.0 0.75 38 INDUSTRIAL / TYPE EP SERIES 5 Wirewound Anti-Surge Resistors Type EP Series PERFORMANCE SPECIFICATION Characteristics DC. resistance Limits Test Methods (JIS C 5201-1) Must be within the specified tolerance The limit of error of measuring apparatus shall not exceed allowable range or 5% of resistance tolerance. (Sub-clause 4.5) Natural resistance change per temperature degree centigrade. Temperature coefficient R2-R1 x10 (PPM/⁰C) R1(t2-t1)