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80 Series Datasheet

Commercial Grade Acrasil®‚ Silicone Ceramic Conformal Axial Terminal Wirewound 1% Tolerance (5% available)

RW Series

Military Grade 80 Series MIL-R-26 Qualified    

 

 

800 & 1000 series product image

 

Ohmite’s highest quality conformal axial terminal silicone-ceramic 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.

 

Features

  • Designed for precision power applications
  • All-welded construction
  • RW Series “Mil” value resistors marked with “Mil” in accordance with MIL-R-26 specifications

Series Specifications

Military Grade: RW70U

Watts: 1

Ohms: 0.1-6K

Voltage: 150

Military Grade: -

Watts: 2

Ohms: 0.1-8K

Voltage: 100

Military Grade: RW79U

Watts: 3

Ohms: 0.1-20K

Voltage: 200

Military Grade: RW69V

Watts: 3

Ohms: 0.1-20K

Voltage: 200

Military Grade: RW74U

Watts: 5

Ohms: 0.1-75K

Voltage: 460

Military Grade: RW67V

Watts: 5

Ohms: 0.1-75K

Voltage: 460

Military Grade: RW78U

Watts: 10

Ohms: 0.1-150K

Voltage: 1000

Military Grade: RW68V

Watts: 10

Ohms: 0.1-150K

Voltage: 1000

 

Non-Inductive versions available. Insert “N” before tolerance code. Example: 83NF2K21 .

Characteristics

Silicone-ceramic

Ceramic

Solder-coated copper clad axial

Linearly from 100% @ +25°C to 0% @ +275°C.

±5% (J type), ±1% (F type) (other tolerances available)

Based on 25°C free air rating

See chart

Under 5 watts: 5 times rated wattage for 5 seconds. 5 watts and over: 10 times rated wattage for 5 seconds

Under 1Ω; ±90 ppm/°C, 1 to 9.99Ω: ±50 ppm/°C, 10Ω and over; ±20 ppm/°C

500 VAC: 1 watt rating; 1000 VAC: 2, 3, 5, 7, and 10 watt rating

Dimensions

(in./mm max.)

Res 80 Dimensions

RW70U

Watts: 1

Length: 0.437 / 11.1

Diam.: 0.125 / 3.2

Lead gauge: 24

Watts: 2

Length: 0.406 / 10.3

Diam.: 0.219 / 5.6

Lead gauge: 20

RW79U

Watts: 3

Length: 0.593 / 15.10

Diam.: 0.218 / 5.5

Lead gauge: 20

RW69V

Watts: 3

Length: 0.593 / 15.1

Diam.: 0.218 / 5.5

Lead gauge: 20

RW74U

Watts: 5

Length: 0.937 / 23.8

Diam.: 0.343 / 8.7

Lead gauge: 18

RW67V

Watts: 5

Length: 0.937 / 23.8

Diam.: 0.343 / 8.7

Lead gauge: 18

RW78U

Watts: 10

Length: 1.842 / 46.8

Diam.: 0.406 /10.3 0

Lead gauge: 18

RW68V

Watts: 10

Length: 1.842 / 46.8

Diam.: 0.406 /10.3

Lead gauge: 18

Ordering Information

Res 80 Order Info 1
Res 80 Order Info 2

 

Commercial Grade (80 Series) Part Numbers 

Part number chart.

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