Chatham Components: Thermal Fuses and Thermal Cutoffs

TCO Catalog >> NEC/Schott SEFUSE organic pellet and Uchihashi ELCUT eutectic thermal cutoffs

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RoHS Compliant

Ratings

Buy

Part
Number

Thermal cutoff function part

Resistor part

Rated
Functioning
Temperature
T_f (°C)

Cut-off
Temperature
(°C)
(Functioning Temperature)

T_h
T_c
(°C)

Tm
(°C)

Electrical Rating

Normal
Resistance
Value
(Ω)

Resistance
Tolerance
(%)

Maximum
Overload
Power
(W)

Approvals

Ampere
(A)

Voltage
(VAC)

C-UL
(CSA)

VDE

CCC

PSE

135

131 ± 3

100

180

DC32

± 20

UL,C-UL:E50082, CSA: E50082, VDE: 923000-1171-0024, KC: SU05029-8002A (10Ω·15Ω·22Ω)

Certified by CSA

Cut-off temperature is measured with silicone oil bath of which temperature is increased at the rate of 1° per minute. Detecting current is 0.1A or less.
Th and Tc are for C-UL(CSA) and CCC respectively.

Dimensions

Features

It is a hybrid safety device in which thermal cutoff 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.
Compared with our conventional type, it can save 50% space with 12A rated current.
It does not contain lead (Pb) and cadmium (Cd) in compliance with RoHS.
It does not contain 46 substances of very high concern (SVHC) that are specified by REACH as of Dec. 2010.
It is Halogen free product.（※）
Please feel free to ask us about cutting, forming and taping of lead wire.

Dimensions (mm)

Lead length

Regular

3 ± 0.5

5 ± 0.5

1.5

1.75

3.1 ± 0.5

1.2 ± 0.1

0.84 ± 0.1

0.25 ± 0.1

16.5 ± 1

4.2

3.8 ± 0.4

1.1 ± 0.2

Technical Terms

Rated Functioning Temperature (T_f)
The acceptable tolerance is +0,-10°C

Holding Temperature (C-UL&CSA:T_h, CCC:T_c)
The maximum temperature at which the thermal cutoffs may be maintained.

Maximum Temperature Limit (Tm)
The maximum temperature at which an opened thermal cutoff does not reclose.

Notice: Please read Standard Specification and Instruction Manual for details of use.