Thermal links

EC Series

EC Series

Features

  • It is a hybrid safety device in which thermal links and resistor are mounted.
  • It has been used for protection circuit of lithium ion rechargeable battery.
  • It can open the circuit in both cases of abnormal FET heat up and detected circuit abnormality.
  • In accordance with your detecting circuit design, it can open the circuit in various abnormal cases.
  • It does not contain lead (Pb) and cadmium (Cd) in compliance with RoHS.
  • It is Halogen free product.(※)
  • Please feel free to ask us about cutting and forming of lead wire.
Dimensions(mm)
A B C D E F G
3.0±0.5 5.0±0.5 1.5max 1.75max 3.1±0.5 1.2±0.1 0.84±0.1
H I J K      
0.25±0.1 16.5±1 16.5±1 4.2max      

Specification

Type No. Thermal links function part Resistor part
Rated functioning temperature Tf(℃) Functioning temperature
(℃)
Th
(℃)
Tm
(℃)
Electrical rating 抵抗値
(Ω)
Resistance Tolerance(%) Maximum Overload Power(W)
Ampere
(A)
Voltage
(V)
EC-200 135 131±3 70 180 12 DC32 20 ±20 20
EC-350 35

Safety standard information

Model No. Safety standard approval
PSE UL C-UL VDE CCC KC
EC - E50082 E50082 40025263 - -

※Uchihashi Estec Co.,Ltd. provides customers with “Halogen free” products that comply with following conditions.

The definition of “Halogen free”: Neither bromine (Br) nor chlorine (Cl) is intentionally added in a thermal links itself. The concentration of bromine or chlorine shall not individually exceed maximum of 900ppm. And the total concentration of bromine and chlorine shall not exceed maximum of 1500ppm.

  • Please feel free to contact us in regard of the details of safety standard approvals.