Ultra Precision Resistors

Moulding Precision Low Resistance Resistors

RE

Token China RE series can be specified for all ultra precision electronics designs, as well as a complete selection of MIL-PRF-55182 and GJB244A-2001 quality standards. The coating precision RE resistors are capable ultra precision, high reliability, excellent stability, and low temperature coefficient TCR to cover all general type resistors.


Detailed precision RE specifications, both mechanical and electrical, please contact our sales representative for more information.


Features Coating Low TCR Ultra Precision Resistors - RE Series

  • Wide resistance ranges
  • Tolerances tight to A2(±0.02%)
  • Low temperature coefficient TCR to C7 ( ±5 ppm/°C)
  • Products with Pb-free Terminations Meet RoHS Requirments

Applications

  • Medical Electronics
  • Current Pulse Limiters
  • High gain feedback applications
  • Precision Instruments, Avionics
  • Vacuum and space applications

Dimensions (mm) & Specifications - Ultra Precision RE

Type RE50 RE55 RE60 RE65 RE70 RE75
Rated Wattage (W) 70 °C 0.125 0.25 0.5 0.75 1.0 1.5
125 °C 0.05 0.10 0.125 0.25 0.5 1.0
Max. Working Voltage (V) 200 200 250 300 350 500
Dimensions (mm) L ± 0.3 4.0 6.7 9.6 11.8 13.9 17.7
D ± 0.4 1.40 2.05 3.15 3.75 4.65 7.20
A ± 0.05 0.40 0.60 0.60 0.60 0.80 0.80
Resistance Range (Ω) 20 ~ 200K 10 ~ 3M 10 ~ 5M 10 ~ 10M 10 ~ 15M 10 ~ 15M
Working Temperature Range -55°C ~ +175°C
Nominal Resistance Tolerance B(±0.10%), C(±0.25%), D(±0.50%), F(±1.00%)
between 5Ω to 3MΩ can be reached to A5(±0.05%) and A2(±0.02%)
Temperature Coefficient PPM
Normal test range(+25°C ~ +85°C)
Special require range(-10°C ~ +50°C)		 C6(±10PPM/°C), C5(±15PPM/°C), C3(±25PPM/°C), C2(±50PPM/°C)
between 5Ω to 3MΩ can be reached to C7(±5PPM/°C)
  • Please contact Token's Representatives if your requirement is not in above range.

Periodical Inspection and Methods - Ultra Precision RE

Power - Temperature Curve
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
ΔR≤±(0.5%R+0.01Ω)
ΔR≤±(2%R+0.01Ω)
Humidity GJB244A (MIL-PRF-55182) 4.8.18
-10°C ~ +65°C, RH<90%
Rated Wattage, Cycle 240h.		 GJB244A (MIL-PRF-55182) 3.21
ΔR≤±(0.4%R+0.01Ω)
High temp exposed GJB244A 4.8.19
175°C 2000h		 GJB244A (MIL-PRF-55182) 3.25
ΔR≤±(2.0%R+0.01Ω)
Short Period Dielectric voltage GJB244A (MIL-PRF-55182)
4.8.12/4.8.23/4.8.10		 GJB244A (MIL-PRF-55182) 3.18/3.29/3.16
ΔR≤±(0.15%R+0.01Ω)
no physical damage, arc,
isolation break through
Lead strength
Impact
High frequency vibration		 GJB244A (MIL-PRF-55182)
4.8.11/4.8.16/4.8.17		 GJB244A (MIL-PRF-55182) 3.17/3.22/3.23
ΔR≤±(0.20%R+0.01Ω)
no physical damage
Solderability GJB244A (MIL-PRF-55182) 4.8.14 GJB244A (MIL-PRF-55182) 3.20
ΔR≤±(0.10%R+0.01Ω)
no physical damage

How to Order - Ultra Precision Resistors RE

RE60 0.5W 10R D C5 P
Product Type
RE50
RE55
RE60
RE65
RE70
RE75
Rated Power (W)
70°C 0.125
70°C 0.25
70°C 0.5
70°C 0.75
70°C 1.0
70°C 1.5
125°C 0.05
125°C 0.10
125°C 0.125
125°C 0.25
125°C 0.5
125°C 1.0
Resistance Value (Ω)
20 ~ 200K
10 ~ 3M
10 ~ 5M
10 ~ 10M
10 ~ 15M
10 ~ 15M
Resistance Tolerance (%)
B ±0.10
C ±0.25
D ±0.50
F ±1.00
Temperature
coefficient (PPM/°C)
C6 ±10
C5 ±15
C3 ±25
C2 ±50
Packaging
P Bulk

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RE Series - Coating Low TCR Ultra Precision Resistors