81NFR10 OHMITE | Alldatasheet

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C O M M E R C I A L G R A D E P A R T N U M B E R S

80 Series

‚ Silicone-Ceramic Conformal Axial Terminal Wirewound 1% Tol. (5% avail.) RW Series Military Grade 80 Series MIL-R-26 Qualified Comm. Military Dimensions (in. / mm) Lead Grade Grade Watts Ohms Length Diam. Voltage ga. 83J RW69V 85J RW67V 80J RW68V Non-Inductive versions available. Insert “N” before tolerance code. Example: 83NF2K21 F E A T U R E S

  • Designed for precision power

applications

  • All-welded construction
  • RW Series “Mil” value resistors marked with “Mil” in accordance with MIL-R-26 specifications S P E C I F I C A T I O N S Material Coating: Silicone-ceramic. Core: Ceramic. Terminals: Solder-coated copper clad axial. Derating: Linearly from 100% @ +25°C to 0% @ +275°C. Electrical Tolerance: ±5% (J type), ±1% (F type) (other tolerances available). Power rating: Based on 25°C free air rating. Maximum ohmic values: See chart. Overload: Under 5 watts: 5 times rated wattage for 5 seconds. 5 watts and over: 10 times rated wattage for 5 seconds. Temperature coefficient: Under 1Ω: ±90 ppm/°C 1 to 9.99Ω: ±50 ppm/°C 10Ω and over: ±20 ppm/°C Dielectric withstanding voltage:

500 VAC: 1 watt rating

1000 VAC: 2, 3, 5, 7 and

82,500 –––82K5  90,900 –––90K9  100,000 –––100K  150,000 –––150K  200,000 –––200K   = Standard values  = Non-standard values subject to minimum handling charge per item Shaded values involve very fine resistance wire and should not be used in critical applications without burn-in and/or thermal cycling. L D1.5 / 38.1 Ohmic value 81F––– 1 83F––– 3 85F––– 5 80F––– 10 Wattage Part No. Prefix  Suffix Ohmic value 81F––– 1 83F––– 3 85F––– 5 80F––– 10 Wattage Part No. Prefix  Suffix Ohmic value 81F––– 1 83F––– 3 85F––– 5 80F––– 10 Wattage Part No. Prefix  Suffix Ohmic value 81F––– 1 83F––– 3 85F––– 5 80F––– 10 Wattage Part No. Prefix  Suffix Ohmic value 85F––– 5 80F––– 10 Wattage Part No. Prefix  Suffix O R D E R I N G I N F O R M A T I O N

81 NJR10

Acrasil® Silicone Ceramic Conformal Axial Term. Wirewound Resistance Value R10 = 0.10Ω 1R0 = 1.0Ω 10R = 10.0Ω 250 = 250Ω 1K0 = 1,000Ω 4K5 = 4,500Ω 50K = 50,000Ω Tolerance F= 1% J =5% Wattage 1 =1W 0 =10W Non-Inductive Winding Optional (blank = std. winding) Ohmite’s highest quality conformal axial terminal silicone-ceram- ic coated resistors for applications requiring high precision and stability. These resistors have a low temperature coefficient and maintain a high degree of stability under demanding conditions. This product will not be made avail- able as RoHS Compliant. For RoHS Compliant equiva- lent, see 40 Series. RW Series Military grade Resistance Value R100 = 0.1 1R00 = 1.0 10R0 = 10.0 1000 = 100 1001 = 1000 Tolerance F =1% J =5% 1002 = 10K 1503 = 150K Commercial Grade Military Grade Check product availability at www.ohmite.com