Precision Low Resistance Resistors

Moulding Precision Low Resistance Resistors

NE

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


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


Features Moulding Precision Low Resistance Resistors - NE Series

  • Wide low resistance ranges
  • Tolerances tight to A5(±0.05%)
  • 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 - Low Resistance NE

Type NE1/10 NE1/8 NE1/4 NE1/2
Rated Wattage (W) 70 °C 0.25 0.5 0.75 1.0
125 °C 0.10 0.125 0.25 0.5
Resistance Range (Ω) 0.05 ~ 10 0.05 ~ 10 0.025 ~ 10 0.025 ~ 10
Dimensions (mm) L ± 0.3 6.80 10.2 14.5 18.4
D ± 0.4 2.50 3.80 4.50 6.50
A ± 0.05 0.60 0.60 0.60 0.80
Working Temperature Range -55°C ~ +175°C
Nominal Resistance Tolerance
J(±5.0%) F(±1.0%)
D(±0.5%) C(±0.25%)
B(±0.10%)
A5(±0.05%)
all resistance:
0.1Ω≤R≤0.2Ω:
0.2Ω<R≤0.4Ω:
0.4Ω<R≤1.0Ω:
1Ω<R≤5Ω:
5Ω<R:		 J
J / F
J / F / D
J / F / D / C
J / F / D / C / B
J / F / D / C / B / A5
Temperature Coefficient PPM
Normal test range(+25°C ~ +85°C)
1Ω≤R≤3Ω:
R>3Ω:

R<1Ω:		 C2(±50PPM/°C), C3(±25PPM/°C)
C2(±50PPM/°C), C3(±25PPM/°C), C5(±15PPM/°C), C6(±10PPM/°C), C7(±5PPM/°C)
No Temperature Coefficient reference
  • Please contact Token's Representatives if your requirement is not in above range.

Periodical Inspection and Methods - - Low Ohmic NE

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 - Precision Low Resistance Resistors NE

NE1/8 0.5W 10R B C6 P
Product Type
NE1/10
NE1/8
NE1/4
NE1/2
Rated Power (W)
70°C 0.25
70°C 0.5
70°C 0.75
70°C 1.0
125°C 0.10
125°C 0.125
125°C 0.25
125°C 0.5
Resistance Value (Ω)
0.05 ~ 10
0.05 ~ 10
0.025 ~ 10
0.025 ~ 10
Resistance Tolerance (%)
J ±5.00
F ±1.00
D ±0.50
C ±0.25
B ±0.10
A5 ±0.05
Temperature
coefficient (PPM/°C)
C7 ±5
C6 ±10
C5 ±15
C3 ±25
C2 ±50
Packaging
P Bulk

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NE Series - Moulding Precision Low Resistance Resistors