• High precision
  • extreme reliability
  • excellent stability
  • Moulding Type
  • Low temperature coefficient PPM.
  • Token RN Series meets MIL-PRF-55182 and GJB244A-2001 quality standards
Moulding High Precision Low TCR

Technical Characteristics
TYPE RN50 RN55 RN60 RN65 RN70
Rated Wattage (W) 70°C 0.067 0.125 0.25 0.5 0.75
125°C 0.05 0.1 0.125 0.25 0.5
Max. Working Voltage (V) 200 200 250 300 350
precision resistors
Dimensions (mm)
L ± 0.3 3.9 6.8 10.0 15.1 18.3
D ± 0.4 1.8 2.5 3.7 5.2 6.5
A ± 0.05 0.45 0.60 0.60 0.60 0.81
MIL-Approved Resistance Range (Ω) 10.0 ~ 100K 49.9 ~ 100K 49.9 ~ 499K 49.9 ~ 1.0M 24.9 ~ 1.0M
AWG Wire No. 26 22 22 22 20
Working Temperature Range -55°C ~ +175°C
Nominal Resistance Tolerance B(±0.10%), C(±0.25% ), D(±0.50%), F(±1.00%)
Temperature Coefficient E(±25PPM/°C), C(±50PPM/°C), D(±100PPM/°C)
Remark
  • Temperature Coefficient PPM can be low to ±5PPM/°C, if applications only need operation in narrow precise
    temperature range within -55°C ~ +175°C. Please contact Token Representatives.
  • Please contact Token's Representatives if your requirement is not in above range.

Periodical Inspection Items and Methods
Type Item Method Requirement
Long Period Life time GJB244A (MIL-PRF-55182) 4.8.18
Rated Wattage,125°C,2000h
Metal Film Precision10000h
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

Derating Curve
High Precision Low ohmic Resistors

How to Order
RN65 0.5W 10R D C2 P
Part Number
RN50
RN55
RN60
RN65
RN70
Rated Power (W)
0.067W RN50 70°C
0.125WRN55
0.25W RN60
0.5WRN65
0.75WRN70
0.05W RN50 125°C
0.1WRN55
0.125WRN60
0.25WRN65
0.5WRN70
Resistance Value
(Ω)
10R 10Ω
100R 100Ω
1K1 1.1KΩ
11K 11KKΩ
110K 110KΩ
1M 1MΩ
Resistance Tolerance (%)
B ±0.10%
C ±0.25%
D ±0.50%
F ±1.00%
Temperature
coefficient (ppm/°C)
C3 ±25ppm/°C
C2 ±50ppm/°C
C1 ±100ppm/°C
Package
P Bulk


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