Chatham Components: Thermal Fuses and Thermal Cutoffs

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

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* These items are available in limited quantities and cannot be reordered.
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
(VAC)

CSA

VDE

CCC

PSE

221R

102

98 ± 3

200

250

125

222R

115

112 ± 3

200

AC 250

AC 125

223R

130

126 ± 3

102

200

250

125

225R

150

146 ± 3

123

200

250

125

UL,C-UL:E50082, CSA: LR40743, VDE: 923000-1171-0002

* These items are available in limited quantities and cannot be reordered.

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

11.5 ± 0.5

37 ± 3

67 ± 3

3.3 ± 0.2

3.6 or below

1 ± 0.05

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.