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EVFT252EP100JE Datasheet(PDF) 1 Page - Ohmite Mfg. Co. |
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EVFT252EP100JE Datasheet(HTML) 1 Page - Ohmite Mfg. Co. |
1 / 2 page 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com wIrewound Tubular SERIES SPECIFICATIONS S O ld ER TA b d IMENSIONS (mm) C h ARACTERISTICS Euro-Power Wirewound Series Vitreous Enamel Power Series Wattage Ohms Voltage Construction EVFT119 72 0.4Ω-250K 1400 Round wire EVFT170 160 0.5Ω-100K 2100 Round wire EVFT252 280 0.2Ω-125K 3300 Round wire ESFT375 700 0.2Ω-200K 5000 Round wire EVRT170 200 0.10-18Ω Ribbon wire EVRT252 350 0.22-33Ω Ribbon wire ESRT375 1000 0.33-56Ω Ribbon wire Coating Lead free vitreous enamel. Very large models (700 watts and up) are supplied in Silicone Ceramic. Also available in low-cost Centohm coating; Consult factory. Core Tubular ceramic. Terminals solder coated radial lug with RoHS composition solder Derating Linearly from 100% @ +25°C to 0% @ +350°C. Tolerance ±5% 1Ω and over (J); ±10% under 1Ω (K) Power rating Based on 25°C free air rating. Overload 10 times rated wattage for 5 seconds. Temperature coefficient 1 to 20Ω: ±400 ppm/°C; Above 20Ω: ±260 ppm/°C; Ribbon wire: 400ppm/°C Dielectric withstanding voltage 1000 VAC: 72 to 160 watt rating. 3000 VAC: 280 to 700 watt rating (Measured from terminal to mount- ing bracket) To calculate max. amps use the formula √P/R Non-Inductive versions avail- able; Other sizes available; Also available in low cost Centohm or Silicone coating; Consult Ohmite. Select Euro series fixed resistors for applications requiring wattage ratings from 72 to 1000 watts. Suitable for rugged applications, Euro-Power resis- tors are spot welded producing stronger mechani- cal and electrical connections. The vitreous enamel coating was specifically developed and provides protection against moisture and mechanical damage. Euro-Power resistors are equipped with lug termi- nals suitable for soldering or sturdy bolt connection. Mounting brackets not included with resistors. F EA T u RES • Terminals suitable for soldering or bolt connection • High wattage applications • Rugged lead free virtreous enamel coating • Flame resistant coating • All-welded construction • "Live" mounting option L D C J max. H ref. Wattage Round wire Ribbon wire L D C H ref. J max. Core Code 72 N/A 119 20.3 9.2 14.3 39.4 EM 160 200 170 25.5 12.4 15.9 45.9 EN 280 350 252 30.6 17.5 19.1 54.1 EP 700 1000 375 51.0 27.9 19.1 74.1 ER |
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