High Precision Resistors

Mould Metal Film High Precision Resistors

EE

Token China EE serves as a high-accuracy, cost-effective high precision moulding resistors meets ROHS requirements, MIL-PRF-55182, and GJB244A-2001 quality standards. Low TCR temperature coefficient, high precision, and reliability characteristics covers all general type resistors.


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


Features high precision resistors EE 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 - High Precision EE

Type EE1/20 EE1/10 EE1/8 EE1/4 EE1/2
Rated Wattage (W) 70 °C 0.125 0.25 0.5 0.75 1.0
125 °C 0.05 0.10 0.125 0.25 0.5
Max. Working Voltage (V) 200 200 250 300 350
Dimensions (mm) L ± 0.3 4.30 6.80 10.2 14.5 18.4
D ± 0.4 1.90 2.50 3.80 4.50 6.50
A ± 0.05 0.40 0.60 0.60 0.60 0.80
Resistance Range (Ω) 20 ~ 200K 10 ~ 3M 10 ~ 5M 10 ~ 10M 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 Inspections and Methods - High Precision EE

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 - High Precision Resistors EE

EE1/8 0.5W 10R B C6 P
Product Type
EE1/20
EE1/10
EE1/8
EE1/4
EE1/2
Rated Power (W)
70°C 0.125
70°C 0.25
70°C 0.5
70°C 0.75
70°C 1.0
125°C 0.05
125°C 0.10
125°C 0.125
125°C 0.25
125°C 0.5
Resistance Value (Ω)
20 ~ 200K
10 ~ 3M
10 ~ 5M
10 ~ 10M
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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EE Series - Moulding High Precision Metal Film Resistors