210 Series Dividohm® Vitreous Enamel Adjustable Power FeatureS • Terminals suitable for soldering or bolt connection. Choose Ohmite’s 210 Type adjustable resistors for • Adjustable lug supplied applications requiring settings at different resistance values. These wirewound resistors are equipped with • High wattage applications an adjustable lug, making them ideal for adjusting • All-welded construction circuits, obtaining odd resistance values and set- • Rugged lead free vitreous enamel coating. ting equip ment to meet various line voltages. 210 Type resistors feature a hollow core to permit secure • Flame resistant coating fastening with spring-type clips or thru bolts with • Additional adjustable lugs available washers. They also offer the durability of lead free • RoHS compliant product available. Add “E” suffix to vitreous enamel coating and all-welded construction. part number to specify Mounting brackets not included with resistors. SerieS SPeciFicatiONS Series Wattage Ohms Core Code Voltage Standard Terminal D12 12 1.0-10K D 565 57 D25 25 1.0-25K K 625 40 D50 50 1.0-100K K 1625 40 D75 75 1.0-100K K 2625 40 D100 100 1.0-100K M 2845 40 D175 175 1.0-100K P 3595 46 D225 225 1.0-100K P 4595 46 D500 500 1.5-15K S 4970 45 D1000 1000 3.0-27.7K S 8900 45 Other sizes available; contact Ohmite. Also available in low cost Centohm or Silicone coating; contact Ohmite. characteriSticS Adjustability 10% to 90% of full value. Wattage is proportional to this adjusted resistance value. Coating Lead free vitreous enamel. Large models (500 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. RoHS solder composition is 96% Sn, Power limitations for high resis- 3.5% Ag, 0.5% Cu tance values: When resistance Adjustable Nickel plated steel. (Screwdriver type adjustable lug supplied exceeds the resistance values listed terminal standard. Other types, including silver contact units, available.) below, derate the Power Rating by Derating Linearly from 100% @ +25°C to 0% @ +350°C. 25% to improve reliability: Tolerance ±10% (K) Power Resistance No power Power rating Based on 25°C free air rating. The stated wattage rating applies rating value derating neces- 12W 4,500Ω sary for ratings only when the entire resistance is in the circuit. Setting the lug at an intermediate point reduces the wattage rating by approximately 25W 9,000Ω higher than the same proportion. Example: If the lug is set at half resistance, 50W 20,000Ω 100W. the wattage is reduced by approx. one-half. 75W 35,000Ω Overload 10 times rated wattage for 5 seconds. 100W 50,000Ω Temperature coef- ±260 ppm/°C ficient Dielectric withstand- 1000 VAC: 12 to 100 watt rating. 3000 VAC: 175 and 225 watt rat- ing voltage ing (measured from terminal to mounting bracket) Max. amps To calculate, use the formula √P/R. Mounting Hardware see https://www.ohmite.com/assets/docs/hardware_resistor.pdf 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com 107

210 Series Dividohm® Vitreous Enamel Adjustable Power dimeNSiONS (in. / mm) Series Wattage L D C Core Code* Std. Term.** D12 12 1.75 / 44.4 0.313 / 7.94 0.188 / 4.76 D 57 D25 25 2.0 / 50.8 0.562 / 14.3 0.313 / 7.94 K 40 D50 50 4.0 / 101.6 0.562 / 14.3 0.313 / 7.94 K 40 D C D75 75 6.0 / 152.4 0.562 / 14.3 0.313 / 7.94 K 40 L D100 100 6.5 / 165.1 0.750 / 19.1 0.50 / 12.7 M 40 D175 175 8.5 / 215.9 1.125 / 28.6 0.75 / 19.1 P 46 D225 225 10.5 / 266.7 1.125 / 28.6 0.75 / 19.1 P 46 D500 500 12.0 / 304.8 2.50 / 63.5 1.75 / 44.5 S 45 D1000 1000 20.0 / 508.0 2.50 / 63.5 1.75 / 44.5 S 45 * https://www.ohmite.com/assets/docs/200-210-270-custom.pdf ** https://www.ohmite.com/assets/docs/terminals.pdf OrderiNg iNFOrmatiON Coating Made-to-order Parts Blank=Vitreous C=Centohm RoHS Compliant Core Diameter Terminal Type S=Silicone See “Core and See “Resistor Terminals Terminal Selection” for Tubular Cores” RoHS Compliant See 270 series custom core SeriesWattage Tolerance Ohms and terminal info J = 5% 1R0 = 1Ω Tolerance Coating Wattage Ohms K= 10% 250 = 250Ω J = 5% 1K0 = 1,000Ω 241100 == VSiitlirceoonues Ceramic R1R50000 == 10Ω.500Ω K= 10% 25K = 25,000Ω 610 = Centohm 250R = 250Ω 25K5 = 25,500Ω 1K00 = 1,000Ω 25K0 = 25,000Ω 25K5 = 25,500Ω Standard Values mic value PParerfti xN o. 2K ––– 12 5K ––– 25 0K ––– 50 5K ––– 75Wat00K ––– 100 tage75K ––– 175 25K ––– 225 00K––– 500 000K–––1000 mic value PParerfti xN o. 2K ––– 12 5K ––– 25 0K ––– 50 5K ––– 75Wa00K t–––100 tage75K –––175 25K –––225 00K––– 500 000K–––1000 mic value PParerfti xN o. 2K ––– 12 5K ––– 25 0K ––– 50 Wat5K ––– 75tage00K –––100 75K––– 175 25K –––225 Oh Suffix  D1 D2 D5 D7 D1 D1 D2 D5 D1 Oh Suffix  D1 D2 D5 D7 D1 D1 D2 D5 D1 Oh Suffix  D1 D2 D5 D7 D1 D1 D2 1.0 –––1R0E        150 –––150E    3,000 –––3K0E    2 –––2R0E        200 –––200E     4,000 –––4K0E  3 –––3R0E       250 –––250E        5,000 –––5K0E       4 –––4R0E     300 –––300E     6,000 –––6K0E  5 –––5R0E          400 –––400E     7,000 –––7K0E   7.5 –––7R5E   500 –––500E          7,500 –––7K5E    10 –––10RE        750 –––750E     10,000 –––10KE       15 –––15RE    800 –––800E   12,000 –––12KE 20 –––20RE   1,000 –––1K0E          15,000 –––15KE   25 –––25RE        1,250 –––1K25E   20,000 –––20KE    50 –––50RE        1,500 –––1K5E        25,000 –––25KE   75 –––75RE    2,000 –––2K0E     50,000 –––50KE   100 –––100E        2,500 –––2K5E       100,000 –––100KE     = Standard values; check availability at 50KΩ and 100KΩ resistance values involve very fine resistance wire and should not be used in critical applications without burn-in and/or thermal cycling. www.ohmite.com rev 6/20-1 108 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com