Design, Specifications are subject to change without notice. Ask factory for technical specifications before purchase and/or use.
Whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail.
Sealant (Epoxy resin) Fusible alloy
Special formed
lead wire
Special resin
Insulating
case(Ceramic)
Insulating film
Special resin
Fusible alloy
Terminal (Ni)
Insulating
case (Ceramic)
Fusible alloy
Sealant
(Epoxy resin)
Lead wire
Special resin
Thermal Cutoffs (TCO)
Thermal Cutoffs (TCO)/
Thermal-Links
EYP Series: N
Series: F
Series: E
Series: H
Series: MT
Series: MS
nFeatures
lHigh Reliability
lSolid Structure
lThin Type
nConstruction
lAxial lead type (N, F and E series) lRadial lead type (H series)
lThin type (MTand MS series)
nRecommended ApplicationsnApproved Safety Standards
l(Japan) : Approved by JET
lUL (U.S.A.) : E60271
lCSA (Canada) : LR67163
lVDE (Germany) : 4811. 6-1171-1111
lBEAB (U.K.) : C1111
lCCEE (China) : CH1111111-1111
See Ratings in details.
PS
E
Small electric motors, Driers, Gas home appliances,
Fluorescent lights, Electric shavers, AC Adaptors,
Heating devices, ICs, Batteries, etc. The TCO can also
be used for overheating protection.
lSmall and Insulated Type
lNon-Cadmium Alloy
lTaping type, Lead forming, Insulated lead, etc. available on special request
Thickness is less than 1 mm. Available for spot welding (MT and MS series)
lTransformers, Solenoids, Ventilation fan, Electric fans,
Design, Specifications are subject to change without notice. Ask factory for technical specifications before purchase and/or use.
Whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail.
-2
Thermal Cutoffs (TCO)
52 56 AC 3 125 @@ @Ñ@
N082 86 82±2 60 60 200 150 AC 2 250 @@@@@@
45 50 DC 4 50 @@ @Ñ@
56 60 AC 3 125 @ÑÑÑÑ
N088 92 88±2 62 65 200 Ñ AC 2 250 @@ÑÑÑÑ
47 52 DC 4 50 @ÑÑÑÑ
65 70 AC 3 125 @@ @Ñ@
N098 102 98±2 75 76 200 150 AC 2 250 @@@@@@
55 60 DC 4 50 @@ @Ñ@
76 86 AC 3 125 @@ @Ñ@
N109 114 110±3 80 90 200 150 AC 2 250 @@@@@@
65 74 DC 5 50 @@ @Ñ@
76 86 AC 3 125 @@ @Ñ@
N110 115 110+3 80 90 200 150 AC 2 250 @@@@Ñ@
65 74 DC 5 50 @@ @Ñ@
90 105 AC 3 125 @@ @Ñ@
N124 130 126±2 94 105 200 180 AC 2 250 @@@@@@
80 94 DC 5 50 @@ @Ñ@
92 108 AC 3 125 @@ @Ñ@
N126 133 128±2 96 108 200 180 AC 2 250 @@@@@@
82 96 DC 5 50 @@ @Ñ@
99 115 AC 3 125 @@ @Ñ@
N135 140 136±3 103 115 200 180 AC 2 250 @@@@@@
80 90 DC 6 50 @@ @Ñ@
105 115 AC 3 125 @@ @Ñ@
N143 145 141±2 110 120 200 180 AC 2 250 @@@@@@
80 90 DC 6 50 @@ @Ñ@
120 130 AC 3 125 @@ @Ñ@
N163 168 163+4 120 135 200 AC 2 250 @@@@@@
90 100 DC 6 50 @@ @Ñ@
120 140 AC 3 125 @@ @Ñ@
N183 188 183+3 120 140 200 AC 2 250 @@@@@@
120 130 DC 6 50 @@ @Ñ@
nRatings
lN series
Approved Safety
Standards
File No.
Part No.
Type No. of
Approved
Standards
Function-
ing
Temp.]2
(¡C)
Rated
Functioning
Temp.]1
(¡C)
Holding
Temp.]4
(¡C)
Maximum Temp.
Limit (¡C)]5
UL,VDE, CSA
BEAB
Electrical
Rating
AC/ Amp. Volt.
DC (A) (V)
Approved Safety
Standards
Maximum
Operating
Temp.]3
(¡C)
EYP2BN082
EYP2BN088
EYP2BN098
EYP2BN109
EYP2BN110
EYP2BN124
EYP2BN126
EYP2BN135
EYP2BN143
EYP2BN163
EYP2BN183
70 74 AC 2 125 @@@Ñ@
F102 102 98±2 75 76 200 150 AC 1 250 @@ @ @@ @
55 60 DC 3.5 50 @@@Ñ@
76 90 AC 2 125 @@@Ñ@
F115 115 110+3 80 90 200 150 AC 1 250 @@ @ @@ @
70 80 DC 4 50 @@@Ñ@
90 105 AC 2 125 @@@Ñ@
F130 130 126±2 94 105 200 180 AC 1 250 @@ @ @@ @
74 90 DC 4.5 50 @@@Ñ@
92 108 AC 2 125 @@@Ñ@
F133 133 128±2 96 108 200 180 AC 1 250 @@ @ @@ @
76 92 DC 4.5 50 @@@Ñ@
99 115 AC 2 125 @@@Ñ@
F139 139 135±3 103 115 200 180 AC 1 250 @@ @ @@ @
80 95 DC 5 50 @@@Ñ@
120 135 AC 2 125 @@@Ñ@
F168 168 163+4 120 142 200 AC 1 250 @@ @ @Ñ@
95 110 DC 5 50 @@@Ñ@
lF series
Approved Safety
Standards
File No.
Part No.
Type No. of
Approved
Standards
Function-
ing
Temp.]2
(¡C)
Rated
Functioning
Temp.]1
(¡C)
Holding
Temp.]4
(¡C)
Maximum Temp.
Limit (¡C)]5
UL,VDE, CSA
BEAB
Electrical
Rating
AC/ Amp. Volt.
DC (A) (V)
Approved Safety
Standards
Maximum
Operating
Temp.]3
(¡C)
EYP1BF102
EYP1BF115
EYP1BF130
EYP1BF133
EYP1BF139
EYP1BF168
-2
-2
-2
-2
PS
E
CCEEBEABVDECSAUL
PS
E
CCEEBEABVDE
CSA
UL
UL : E60271
CSA : LR67163
VDE : 4811.6-
1171-0003
BEAB : C0738
CCEE : CH0066083-
2001
UL : E60271
CSA : LR67163
VDE : 4811.6-
1171-0001
BEAB : C0736
CCEE : CH003627-
99
Note: For long lead types, add letter "L" at the end of the part number.
Note: For long lead types, add letter "L" at the end of the part number.
Design, Specifications are subject to change without notice. Ask factory for technical specifications before purchase and/or use.
Whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail.
70 78 AC 1.5 125 @@@Ñ@
EYP05BE102
E102 102 98±2 75 80 200 150 AC 0.5 250 @@ @@@@
65 70 DC 3 50 @@@Ñ@
76 93 AC 1.5 125 @@@Ñ@
EYP05BE115
E115 115 110±2 80 95 200 150 AC 0.5 250 @@ @@@@
70 84 DC 3 50 @@@Ñ@
90 112 AC 1.5 125 @@@Ñ@
EYP05BE130
E130 130 126±2 94 112 200 180 AC 0.5 250 @@ @@@@
83 102 DC 3 50 @@@Ñ@
70 81 DC 5 50 @ÑÑ Ñ Ñ
92 115 AC 1.5 125 @@@Ñ@
EYP05BE133
E133 133 128±2 96 115 200 180 AC 0.5 250 @@ @@@@
85 105 DC 3 50 @@@Ñ@
99 120 AC 1.5 125 @@@Ñ@
EYP05BE139
E139 139 135±2103 120 200 180 AC 0.5 250 @@ @@@@
92 110 DC 3 50 @@@Ñ@
80 90 DC 5 50 @ÑÑ Ñ Ñ
Thermal Cutoffs (TCO)
Approved Safety
Standards
File No.
lE series
Part No.
Type No. of
Approved
Standards
Function-
ing
Temp.]2
(¡C)
Rated
Functioning
Temp.]1
(¡C)
Holding
Temp.]4
(¡C)
Maximum Temp.
Limit (¡C)]5
UL,VDE, CSA
BEAB
Electrical
Rating
AC/ Amp. Volt.
DC (A) (V)
Approved Safety
Standards
Maximum
Operating
Temp.]3
(¡C)
Note: E130 and E139 are additionaly approved for UL, on DC50V 5A
Approved Safety
Standards
File No.
lH series
Part No.
Type No. of
Approved
Standards
Function-
ing
Temp.]2
(¡C)
Rated
Functioning
Temp.]1
(¡C)
Holding
Temp.]4
(¡C)
Maximum Temp.
Limit (¡C)]5
UL,VDE, CSA
BEAB
Electrical
Rating
AC/ Amp. Volt.
DC (A) (V)
Approved Safety
Standards
Maximum
Operating
Temp.]3
(¡C)
EYP2BH102
EYP2BH115
EYP2BH130
EYP2BH133
EYP2BH139
EYP2BH168
70 74 AC 3 125 @@@Ñ@
H102 102 98±2 75 76 200 200 AC 2 250 @@@@@@
65 70 DC 3.5 50 @@@Ñ@
76 86 AC 3 125 @@@Ñ@
H115 115 110±2 80 90 200 200 AC 2 250 @@@@@@
74 84 DC 3.5 50 @@@Ñ@
90 105 AC 3 125 @@@Ñ@
H130 130 126±2 94 105 200 200 AC 2 250 @@@@@@
86 100 DC 3.5 50 @@@Ñ@
92 108 AC 3 125 @@@Ñ@
H133 133 128±2 96 108 200 200 AC 2 250 @@@@@@
88 102 DC 3.5 50 @@@Ñ@
99 115 AC 3 125 @@@Ñ@
H139 139 135±2 103 115 200 200 AC 2 250 @@@@@@
95 107 DC 3.5 50 @@@Ñ@
120 135 AC 3 125 @@@Ñ@
H168 168 163+3 120 142 200 200 AC 2 250 @Ñ@@ Ñ@
120 135 DC 3.5 50 @@@Ñ@
Ð2
PS
E
CCEEBEABVDECSAUL
PS
E
CCEEBEABVDECSAUL
UL : E60271
CSA : LR67163
VDE : 4811.6-
1171-0002
BEAB : C0739
CCEE : CH0066084-
2001
UL : E60271
CSA : LR67163
VDE : 4811.6-
1171-0004
BEAB : C0737
CCEE : CH0036085-
2001
For long lead types, add letter "L" at the end of the part number.
Design, Specifications are subject to change without notice. Ask factory for technical specifications before purchase and/or use.
Whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail.
A
f
d
B L
C
l
L
l
f
D
f
d
f
D1
DG1 G2
A
EB
FC
92 89±2 55 60 150 DC 2 50 @@
98 94±2 60 65 150 DC 2 50 @@
102 98±2 65 70 150 DC 2 50 @@
EYP2MT092
EYP2MT098
EYP2MT102
AC/ Amp. Volt.
DC (A) (V)
lMT series
Approved Safety
Standards
File No.
Part No.
Type No. of
Approved
Standards
Functioning
Temp.]2
(¡C)
Rated
Functioning
Temp.]1
(¡C)
Holding
Temp.]4
(¡C)
Maximum Temp.
Limit (¡C)]5
Electrical
Rating
Approved Safety
Standards
Maximum
Operating
Temp.]3
(¡C)
MT092
MT098
MT102
92 89±2 55 60 150 DC 2 50 @@
98 94±2 60 65 150 DC 2 50 @@
EYP2MS092B
EYP2MS098B
AC/ Amp. Volt.
DC (A) (V)
lMS series
UL
Approved Safety
Standards
File No.
Part No.
Type No. of
Approved
Standards
Functioning
Temp.]2
(¡C)
Rated
Functioning
Temp.]1
(¡C)
Holding
Temp.]4
(¡C)
Maximum Temp.
Limit (¡C)]5
Electrical
Rating
Approved Safety
Standards
Maximum
Operating
Temp.]3
(¡C)
MS092B
MS098B
]1 Rated Functioning Temperature (UL: TF, CSA,VDE, BEAB, CCEE: Tf)
The temperature at which a TCO changes its state of conductivity to open circuit with loading detection current only.
Tolerance; ; ±C
UL,CSA,VDE, BEAB, CCEE; Ð10 ¡C
]2 Functioning Temperature (Fusing-off temperature)
The functioning temperature at which a TCO changes its state of conductivity to open circuit in the ambient air oven which increases
temperature by 1 ¡C per minute and with loading the detective current 0.1 A or less.
]3 Maximum Operating Temperature.
The maximum temperature at which a TCO can be maintained while conducting rated current for 3000 h (N, F, E, H series) or 1000 h (MT, MS
series) For details please refer to derivery specification.
]4 Holding Temperature (UL: TH, CSA: Th, VDE, BEAB, CCEE: Tc)
The maximum temperature at which a TCO can be maintained while conducting rated current for 168 h which will not cause a change in
state of conductivity to open circuit.
]5
Maximum Temperature Limit (UL: TM, CSA,VDE, BEAB, CCEE: Tm)
The maximum temperature at which a TCO can maintains its mechanical and electrical properties without closing again for 10
minutes after a TCO has changed its state of conductivity.
0
nDimensions in mm (not to scale)
lRadial lead typelAxial lead type
(]) Long lead type
Dimensions (mm)
ABCL fd
H Series 5.0±0.5 4.0±0.5 2.2±0.3 55±30.53±0.02
Ð0.15
Dimensions (mm)
LfDfD1 kfd
N Series 9.0±1.0 2.5±0.2 3 max. 38±3 (]78±3) 0.60±0.05
F Series 6.0±1.0 1.85+0.20 2.2 max. 38±3 (]68±3) 0.53±0.02
E Series 5.0±0.5 1.5±0.1 1.8 max. 38±3 (]68±3) 0.53±0.02
A B C D E F G1 G2
MT Series 26.5±0.5 4.5±0.4 0.75±0.20 11.0+0.6 3.0±0.2 0.15±0.02 7.7±0.5 7.7±0.5
MS Series 24.5±0.5 3.0±0.3 0.75±0.20 5.5±0.5 3.0±0.2 0.15±0.02 8.0±0.5 11.0±0.5
(]32.0±0.3) (]3.6±0.2) (]8.1
Ð0.1
)(]9.7±0.2) (]14.2±0.2)
Dimensions (mm)
Ð0.4
+0.3
(]) Long type
lThin type
VDE
UL VDE
UL : E60271
VDE :4811.6-
1171-0008
UL : E60271
VDE :4811.6-
1171-0007
PS
E
Note: For long types, add letter "L" at the end of the part number.
Design, Specifications are subject to change without notice. Ask factory for technical specifications before purchase and/or use.
Whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail.
5.0–0.4
1.5 max.
6–1
1 max.
6–1
28.5–1.0 11–2
67–1
All dimensions in millimeters
3.5 min.
Standard Quantity : 4000 pcs.
115–5
92–5
260
5
Thermal Cutoffs (TCO)
nMarking
· N, F, E, H Series : Type No., Date Code, M Mark( ),
<
PS
>
E Mark, Rated Functioning Temperature, Rated Current
· MT, MS Series : Type No., Date Code, M Mark( )
nStandard Taping Specifications
EYP2B1111VBOX
Part No. Standard Quantity Style Weight/pc. (mg)
EYP2BN111 340
EYP2BN111L510
EYP1BF111 220
EYP1BF111L100 pcs./Bag Bulk 330
EYP05BE111 210
EYP05BE111L320
EYP2BH111 350
EYP2BN111V4000 pcs./Box Flat Box 340
EYP2MT1111 130
EYP2MS1111 200 pcs./Bag Bulk 95
EYP2MS1111L130
nPacking Specifications
The following items are indicated on TCO.
Design, Specifications are subject to change without notice. Ask factory for technical specifications before purchase and/or use.
Whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail.
Thermal Cutoffs (TCO)
Design Applications
opening or opening delay.
·
operate while being used.
·
holding temperature.
after the TCO operates.
·
being exceeded, it may not cut off the circuit.
If the temperatures transferred to the main body and to the lead wires(terminals) are largely different from
ished equipment.
(1)
2 2 3 2 2
(2)
ment, etc.
Instruction
7. Forming and Cutting
(axial / radial type) or body (thin type). The TCO seals (axial / radial type) shall not be grasped with any
2) The lead wires and terminals shall not be nicked, fractured or bumed.
The body and/or seals must not be damaged, burned or overheated.
twisting or the like.
Safety Precautions (Handling Precautions)
1. Use TCO within their specified temperature and electrical ratings.
in the individual specification.
When the TCO is continuously used at the temperature close to the functioning temperature, the TCO may
When the TCO is continuously used at the temperature higher than the maximum operation temperature,the
TCO may be degraded and may not operate normally at the specified temperature
2) The holding temperature is defined as the highest temperature at which the TCO is activated continuously
3) Equipment should be designed so that its over shoot does not exceed the maximum temperature limit
at the rated current for 168 hours. The TCO can not be used over 168 hours exceeding the
4) If the TCO is activated by voltage higher than the rated voltage or current higher than the rated current, the
operation will result in an abnormality of appearance(crack on body) and insufficient insulation.
When TCO is operated in an abnormal mode while the rated voltage and/or the rated current
6) The TCO cannot be used as a current sensitive fuse.
1) Tests should be repeated for the finished equipment to confirm that the TCO does operate
close to the heat source as possible and the place where the TCO is evenly heated.
as expected.
2) To improve thermal response of the TCO, put the main body of the TCO and the lead wires(terminals) as
of the fusible alloy or lead wires, or damage to the main body may result.
When sealing the overall TCO with resin, test repeatedly to confirm normal operation of the TCO in the fin-
5. Avoid dipping the equipment with the TCO into varnish or chemical or organic solvent and then drying it.
The solvent or the varnish may corrode the body and/or lead wires (terminals) of the TCO.
6. Do not use under the following environments.
2) Under direct sunlight and outdoor and dusty atmospheres
before production use.
In environments with high static electricity and/or strong electromagnetic waves.
Do not use the TCO in aerospace equipment, atomic energy equipment, military weapons, life saving equip-
tools or holders. Terminals of thin type TCO are to be grasped before they are bent. (See Fig.1)
3) It is recommended that experimental assembly trials, should be done so that it can be
verified that manufacturing procedures will not exceed the maximum tested "pull" and "push" forces of 20 N
1) Use the TCO under an ambient temperature of not more than the maximum operating temperature specified
Using the TCO under a higher temperature than the maximum operating temperature may cause premature
TCO produces excessive heat, resulting in premature opening. The arc generated at this condition of
5) Where transient overload is expected to be applied, repeat the tests under the worst conditions.
2. To fully use the function of the TCO, a suitable TCO for each equipment application must be selected.
each other, improper operation can be expected, causing arcing and deterioration of insulation.
3. Avoid application of excessive vibration and mechanical stress to the TCO. Otherwise, failure
4. When sealing the TCO with resin, select a resin that does not corrode the seals or the lead wires(terminals).
1) In liquids such as water, oil, chemical and organic solvents
3) In places where water condensation occurs.
Use in the following environments may affect the performance of the TCO; Verify performance and reliability
In places full of corrosive gases such as sea breeze, Cl , H S, NH , SO and NO
1) Lead wires(terminals) are to be bent or cut at least 3 mm away from the TCO seals to avoid damaging the TCO.
(MT series:10 N, MS series: 5 N) and 5 N respectively on the lead wires (terminals), or induce excessive
Design, Specifications are subject to change without notice. Ask factory for technical specifications before purchase and/or use.
Whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail.
Thermal Cutoffs (TCO)
Fig-1
Table-1 Soldering Conditions
Temperature of Soldering: 300 ¡C Time: 3 s
Lead Length (k) Type No.
25 mm N082, N088 F102 E102, E115 H102, H115
20 mm N098, N109 F115, F130 E130, E133 H130, H133
N110 F133, F139 E139 H139
15 mm N124, N126 F168 H168
N135, N143
10 mm N163, N183
9 .
body of the TCO.
1)
Measurement of resistance between lead wires (terminals) and checking of the internal status with X-rays
12
.Storage method
2 2 3 2 2
your product.
l
l
Soldering point
1) Lead wires are to be soldered with the standard conditions shown in Table 1.
Excessive soldering heat and soldering time may cause damage to a TCO.
4) Thin type (MT, MS series) is not to be soldered.
6) Lead wires are to be clamped at least 3 mm away from the seals.
Improper connections may cause damage to the seals or other parts and may result in nuisance tripping of
the devices due to the generation of excessive heat at a faulty high resistance junction.
> 3 mm > 3 mm > 3 mm > 3 mm
> 3 mm > 3 mm
grasped grasped
Bending Cutting
If higher temperature, longer time or shorter lead length exist rather than the conditions of Table 1, it is
recommended to run tests for finding the soldering conditions that do not damage the TCO. Also, use of
tools such as pliers are recommended to dissipate the soldering heat by grasping lead wires between
the TCO body and soldering point.
2) Avoid preheating and gradual cooling as far as possible. However, if preheating and gradual cooling is
done, set the process conditions after confirming that the TCO is not affected by these procedures.
3) Do not use reflow soldering.
5) If water or solvent is used for cleaning flux after soldering, check and confirm the reliability of the agent.
7) Set the conditions for welding and encapsulation only after checking contact resistance and connection strength.
9) When the TCO is heated by soldering or welding, be careful not to pull, push or twist the TCO lead wires.
The use of sufficiently flexible, appropriate free length and proper size wire should be used for splice connection.
mechanically secure.
10
.Where the lead wires of the TCO is tied with string, put them at least 10 mm apart from the seals of the main
11
.Quality control notes:
lot set at normal and abnormal conditions.
1) Store the TCO in packing cases or in polyethylene bags within the temperature range Ð10 ¡C to +40 ¡C and
RH of 30 % to 75 %. Store them at a location where no rapid changes of temperature or humidity or no
direct sunlight is applied. The location must also be free from vibration and shock.
3) The period of guarantee for performance such as solderability is for 1 year after our delivery; and this condi-
tion applies only in the case where the storage method specified in above has been followed.
13
.Do not repair a TCO. Replace it with a new part.
8. Soldering, Welding, Encapsulation
8) When resoldering or rewelding, cool the TCO under room conditions.
Connection including connectors used for splicing shall be of the low resistance type, and they shall be made
are effective means to confirm the status of the TCO on delivery and after mounting in the equipment.
2) It is necessary to confirm normal operation of the TCO with trial units and with a prototype equipment
2) Avoid storage in places containing corrosive gases such as sea breeze, Cl , H S, NH , SO and NO .
Note: This catalog shows the quality and performance of a unit component. For quality assurance, contact us with
your requirements. Before using, be sure to evaluate and verify the product after mounting it in