Chatham Components: Thermal Fuses and Thermal Cutoffs

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

Print this page

RoHS Compliant

Ratings

Buy

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)

C-UL
(CSA)

VDE

CCC

PSE

22YR

72 ± 3

200

AC250

AC125

22ER

108

104 ± 3

200

AC 250

AC 125

222R

115

112 ± 3

200

AC 250

AC 125

22XR

133

129 ± 3

117

110

200

AC 250

AC 125

22MR

139

135 ± 3

122

200

2.5

AC 250

DC 50

22JR

145

141 ± 3

125

113

200

3.5

AC 250

AC 125

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

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

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.