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

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Part
Number

Rated
Functioning
Temperature
T_f (°C)

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

T_h
T_c
(°C)

Tm
(°C)

Electrical Rating

Approvals

Ampere
(A)

Voltage
(V)

C-UL
(CSA)

VDE

CCC

PSE

44E

108

104 ± 3

200

0.5

2.5

AC 250

AC 125

DC 50

442

115

112 ± 3

200

1.5

3.5

AC 250

AC 125

AC 50

DC 50

44X

133

129 ± 3

118

116

200

0.5

1.5

AC 250

AC 125

44K

150

143 ± 3

132

200

0.5

AC 250

UL,C-UL:E50082, CSA: LR40743, VDE: 923000-1171-0004

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

Dimensions (mm)

Lead length

Regular

6 ± 0.5

39 ± 3

69 ± 3

1.65 ± 0.1

2 or below

0.53 ± 0.02

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.