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Thursday, 09 September 2010
TCO Catalog >> NEC/Schott SEFUSE organic pellet and Uchihashi ELCUT eutectic thermal cutoffs
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RoHS Compliant
Ratings
Part
Number
Rated
Functioning
Temperature
Tf (°C)
Cut-off
Temperature
(°C)
Th
Tc
(°C)
Tm
(°C)
Electrical Rating Approvals
Ampere
(A)
Voltage
(V)
UL
C-UL
(CSA)
VDE
CCC
PSE
44E
108
104 ± 3
94
91
82
200
0.5
1
2.5
AC 250
AC 125
DC 50
442
115
112 ± 3
99
99
84
84
200
1
1.5
3.5
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
Dimensions (mm)
Lead length A B C D E
Regular ± 0.5
39 ± 3
69 ± 3
1.65 ± 0.1 2 or below 0.53 ± 0.02
Long
 
Technical Terms
  • Rated Functioning Temperature (Tf)
    The acceptable tolerance is +0,-10°C

  • Holding Temperature (C-UL&CSA:Th, CCC:Tc)
    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.