447-XYP2BN183 Xicon, 447-XYP2BN183 Datasheet - Page 3

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447-XYP2BN183

Manufacturer Part Number
447-XYP2BN183
Description
Thermal Cutoffs TCO 188C 2A/250VAC
Manufacturer
Xicon
Datasheet

Specifications of 447-XYP2BN183

Current Rating
2 A
Functioning Temperature
183 C
Holding Temperature
140 C
Maximum Temperature
120 C
Rated Temperature
188 C
Voltage Rating
250 VAC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Thermal Cutoffs (TCO) / Thermal-Links
XICON PASSIVE COMPONENTS • ARLINGTON, TX 76003 • www.xicon-passive.com • (800) 628-0544
1. Use TCO within their specified temperature and electrical ratings.
2. To fully use the function of the TCO, a suitable TCO for each equipment application must be selected.
3. Avoid application of excessive vibration and mechanical stress to the TCO. Otherwise, failure of the fusible alloy or lead wires, or damage to
4. When sealing the TCO with resin, select a resin that does not corrode the seals or the lead wires (terminals). When sealing the overall TCO with
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
6. Do not use under the following environments.
7. Forming and Cutting
• Design Applications
• Instruction
Bending
*
*
1) Use the TCO under an ambient temperature of not more than the maximum operating temperature specified in the individual specification.
• When the TCO is continuously used at a temperature close to the functioning temperature, the TCO may operate while being used.
• When the TCO is continuously used at the temperature higher than the maximum operation temperature, the TCO may be degraded and may not
2) The holding temperature is defined as the highest temperature at which the TCO is activated continuously at the rated current for 168 hours.
3) Equipment should be designed so that its over shoot does not exceed the maximum temperature limit after the TCO operates.
4) If the TCO is activated by voltage higher than the rated voltage or current higher than the rated current, the TCO produces excessive heat,
• When TCO is operated in an abnormal mode while the rated voltage and/or the rated current being exceeded, it may not cut off the circuit.
5) Where transient overload is expected to be applied, repeat the tests under the worst conditions.
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 as expected.
2) To improve thermal response of the TCO, put the main body of the TCO and the lead wires (terminals) as close to the heat source as possible
the main body may result.
resin, test repeatedly to confirm normal operation of the TCO in the finished equipment.
the body and/or lead wires (terminals) of the TCO.
1) In liquids such as water, oil, chemical and organic solvents.
2) Under direct sunlight and outdoor and dusty atmospheres.
3) In places where water condensation occurs.
1) Lead wires (terminals) are to be bent or cut at least 3mm away from the TCO seals to avoid damaging the TCO (axial / radial type) or body
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.
3) It is recommended that experimental assembly trails should be done so that it can be verified that manufacturing procedures will not exceed
Safety Precautions (Handling Precautions)
Using the TCO under a higher temperature than the maximum operating temperature may cause premaure opening or opening delay.
operate normally at the specified temperature.
The TCO can not be used over 168 hours exceeding the holding temperature.
resulting in premature opening. The arc generated at this condition of operation will result in an abnormality of appearance (crack on body)
and insufficient insulation.
and the place where the TCO is evenly heated.
If the temperatures transferred to the main body and to the lead wires (terminals) are largely different from each other, improper operation can
be expected, causing arcing and deterioration of insulation.
Use in the following environments may affect the performance of the TCO; Verify performance and reliability before production use.
1) In places full of corrosive gases such as sea breeze, CI
2) 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 equipment, etc.
(thin type). The TCO seals (axial / radial type) shall not be grasped with any tools or holders. Terminals of thin typr TCO are to be grasped
before they are bent. (See Fig. 1)
the maximum tested “pull” and “push” forces of 20 N (MT Series: 10 N, MS Series: 5 N) and 5 N respectively on the lead wires (terminals),
or induce excessive twisting or the like.
>3mm
>3mm
>3mm
Grasped
2
, H
2
S, NH
3
, SO
2
Cutting
and NO
>3mm
2
.
>3mm
Grasped
>3mm
3

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