Ultra Precision Resistor (RE)

Direct's Precision Military Established Resistors are Ten-Times More Accurate.

The (RE) Series from Direct Electronics is capped ultra precision metal-film resistors, as well as a complete selection of MIL-PRF-55182 and GJB244A-2001 quality standards. Direct offers a low-cost alternative to traditional solutions for precision applications.

The (RE) is available in a resistance range of 10Ω ~ 10MΩ with a precision tolerance of ±0.01% and a temperature coefficient of resistance (TCR) of ±2PPM/°C, although other tolerances and TCRs are available.

The resistance element in these devices is a precisely controlled thin film of metal alloy deposited on a high quality alumina substrate. Plated caps are force-fitted before the assembly is trimmed using advanced laser techniques to ensure excellent performance and low electrical noise. Leads are welded to the end caps prior to the resistor being coated with epoxy.

Products equate Vishay, Ohmite, Caddock, IRC, EBG, Panasonic Precision Devices with more competitive price and fast delivery. Detailed precision (RE) specifications, both mechanical and electrical, please contact our sales representative for more information.

Production Standard :
Which is made referencing to Chinese National Quality Standard GJB244A-2001 standards, and USA Military/Established Reliability MIL-PRF-55182 in environmental and dimensional requirements.

Download complete PDF Ultra Precision Resistor (RE).

Power Rating :
Power ratings are based on the following two conditions,
  1. ± 2.0 % maximum ΔR in 10 000 h load life.
  2. + 175 °C maximum operating temperature.
Applications :
  1. Measuring and calibration equipment,
  2. Telecom, Industrial process control systems,
  3. Test and measurement, Space and aircraft electronics.
Features :
  1. Power rating from 0.125W to 1.5W.
  2. Military/Established Reliability and Stability.
  3. Extreme precision tolerance tight to ±0.01%.
  4. Temperature coefficient narrowed to ±2PPM/°C.
  5. Industrial grades, RoHS Compliant, metal film lacquer coated.
  6. Covers all general type precision resistive products.
Dimensions & Technical Characteristics (RE)
Coating Type (RE) Dimensions
Coating Type (RE) Dimensions
(RE) Power VS Temperature Curve
(RE) Power VS Temperature Curve
Type RE50 RE55 RE60 RE65 RE70 RE75
Rated Wattage (W) 70 °C 0.125 0.25 0.5 0.75 1.0 1.5
Max. Working Voltage (V) 200 200 250 300 350 500
Dimensions (Unit: mm) L ± 0.3 4.0 6.7 9.8 12.5 14.1 17.8
D ± 0.4 1.4 2.05 3.2 3.6 4.65 7.2
A ± 0.05 0.40 0.60 0.60 0.60 0.80 0.80
Resistance Range (Ω) 1Ω ~ 3MΩ 0.05Ω ~ 10MΩ 0.05Ω ~ 10MΩ 0.05Ω ~ 10MΩ 0.05Ω ~ 10MΩ 0.05Ω ~ 10MΩ
Working Temperature Range -55°C ~ +175°C
Nominal Resistance Tolerance A2(±0.02%), A5(±0.05%), B(±0.10%), C(±0.25%), D(±0.50%), F(±1.00%)
between 10Ω to 350KΩ can be reached to T(±0.01%)
Temperature Coefficient PPM
Normal test range(+25°C ~ +85°C)
Special require range(-10°C ~ +50°C)
C7(±5PPM/°C), C6(±10PPM/°C), C5(±15PPM/°C), C3(±25PPM/°C), C2(±50PPM/°C), C1(±100PPM/°C)
between 10Ω to 350KΩ can be reached to C9(±3PPM/°C), C10(±2PPM/°C)
Remark: Please contact Direct's Representatives if your requirement is not in above range.
Mechanical and Electrical Test Conditions (RE)
Type Item Method Requirement
Long Period Life Time GJB244A (MIL-PRF-55182) 4.8.18
Rated Wattage,125°C,2000h,10000h
GJB244A (MIL-PRF-55182) 3.24
Humidity GJB244A (MIL-PRF-55182) 4.8.18
-10°C ~ +65°C, RH<90%
Rated Wattage, Cycle 240h.
GJB244A (MIL-PRF-55182) 3.21
High Temp Exposed GJB244A 4.8.19
175°C 2000h
GJB244A (MIL-PRF-55182) 3.25
Short Period Dielectric Voltage GJB244A (MIL-PRF-55182)
GJB244A (MIL-PRF-55182) 3.18/3.29/3.16
no physical damage, arc,
isolation break through
Lead Strength,
High Frequency Vibration
GJB244A (MIL-PRF-55182)
GJB244A (MIL-PRF-55182) 3.17/3.22/3.23
no physical damage
Solderability GJB244A (MIL-PRF-55182) 4.8.14 GJB244A (MIL-PRF-55182) 3.20
no physical damage
Order Codes (RE)
RE60 0.5W 10R D C5 P
Part Number
Rated Power
RE50 70°C 0.125W
RE55 0.25W
RE60 0.5W
RE65 0.75W
RE70 1.0W
RE75 1.5W
Resistance Value
10R 10Ω
100R 100Ω
1K1 1.1KΩ
1M 1MΩ
10M 10MΩ
Resistance Tolerance
T ±0.01%
A2 ±0.02%
A5 ±0.05%
B ±0.1%
C ±0.25%
D ±0.50%
F ±1.00%
Temperature coefficient
C2 ±50ppm/°C
C3 ±25ppm/°C
C5 ±15ppm/°C
C6 ±10ppm/°C
C7 ±5ppm/°C
C9 ±3ppm/°C
C10 ±2ppm/°C
P Bulk