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Tuesday, 06 January 2009
TCO Catalog >> NEC/Schott SEFUSE organic pellet and Uchihashi ELCUT eutectic thermal cutoffs
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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
 CSA
 VDE
 CCC
 PSE
12B
65
62 ± 3
55
200
AC 2
AC 250
120
76
73 ± 2.5
50
200
AC 1.5
AC 2
AC 250
AC 125
12N
98
94 ± 3
72
72
67
67
200
AC 1.5
AC 2
AC 5
DC 5
AC 250
AC 125
AC 50
DC 50
121
102
98 ± 2
76
200
AC 2
AC 250
122
115
112 ± 3
89
200
AC 2
AC 250
123
130
126 ± 2
102
90
200
AC 2
DC 5
AC 250
DC 50
124
133
130 ± 2
108
200
AC 2
AC 250
128
139
135 ± 3
113
95
200
AC 2
DC 5.5
AC 250
DC 50
125
150
145 ± 2
123
200
AC 2
AC 250
126
169
164 ± 2.5
142
200
AC 2
AC 250
127
187
184 ± 3
163
200
AC 2
AC 250
 
UL,C-UL:E50082, CSA: LR40743, VDE: 923000-1171-0012
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 9 ± 0.5
38 ± 3
68 ± 3
 2.5 ± 0.1 3 or below 0.6 ± 0.05
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.
 


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