Home Electrical Appliances Thermal Link GP 115C 3A 250Vac Tinned Copper 70mm

Price Negotiable

Price: Negotiable

MOQ: 5000PCS

Delivery Time: 7 days

Brand: UCHI

Product Description

Home Electrical Appliances Thermal-link Radial Shape GP C3 115 °C 3 A 250 Vac,Tinned Copper Wire, Total Length 70mm

Alloy Thermal-link / Thermal Cutoff (TCO) is defined as a non-resettable protective device functioning one time only. It is wide-

ly used in electrical equipment. Alloy TCO is mainly consist of fusible alloy, flux, plastic or ceramic case, sealant epoxy and

lead wires. Normally, fusible alloy is jointed to the two lead wires. Under abnormal conditions, when the temp. reaches to the

fusing temp. of alloy TCO, the fusible alloy melts and quickly retracts to the two lead wire ends with the aid of the flux and dis-

connects the circuit completely. Rated Current 1 A to 200 A, Rated Functioning Temp. 76 °Cto 230 °C, with CCC, UL, CUL,

TUV, KTL, PSE, Approvals and RoHS, REACH compliant.

	No.
	1	2	3
Part Name	Case	Sealant	Lead Wire
Materials	Plastic Case	Sealant Epoxy	Tinned Copper Wire

Dimension (mm)

5.8±0.5

2.3±0.3

70±2

Φ0.54±0.05

3.7±0.5

Thermal-link

Attention

The surface temp.of TCO less than the holding temp of TCO

The seal or body of TCO must not be burned or over heated.

Installationpositionofmechanicalperformancerequirements

Do not locate the TCO in a place where severe vibration always occurs.

Ensure that the lead wire is long enough, and avoid actions such as press, tensile or twist.

The seal or body of TCO must not be damaged.

Soldering

Hand Soldering

Soldering should be carried out according to table 1 & table 2

The thermal element of TCO is fusible alloy with low melting point, which is jointed with TCO lead wires. Improper soldering

operation (too high soldering temp. , too long soldering time, too short lead wire etc.) may transfer more heat to the thermal

element and TCO may open in advance.

When soldering conditions are more severe than those listed in table 1 & table 2, a heat sink fixture should be used be-

tween soldering point and TCO body.

When soldering, please do not pull / push or twist TCO body or lead wires.

After soldering, let it naturally cool for longer than 20 s. During cooling, never move the TCO body or lead wires.

Soldering

Soldering should be carried out under the soldering conditions listed in table 2.

Table 2 Soldering Time (s)

Rated Functioning Temp. Tf (℃)	Max. Allowable Soldering Time (s)			Soldering Temp. (℃)	Show
	Length of Lead Wire (L)
	10 mm	20 mm	30 mm
76~101	1a	2	3	400
102~115	1a	2	3
116~135	1a	3	5
136-150	3	5	5
151~221	4	6	7
Auxiliary heat sink fixture is required to avoid Thermal-link cutting off unexpectedly.

Wave Soldering

The wave soldering parameters as table 3, For reference only, when TCO is for practice use, you need to do

some validation experiments. For example, using X-RAY to see the fusible alloy of TCO whether damage

after wave soldering.

Mechanical Connection

Riveting

Suitable for the lead wire diameter (d) of TCO ≥1.2 mm .

Choose small resistivity riveting material and be riveted.

A flexible lead or lead with low resistance should be used to rivet the TCO.

Contact resistance should be minimal, Large contact resistance will lead to higher temp., TCO Functioning in advance

Crimping

Suitable for the lead wire of TCO is flat electrode.

Choose small resistivity crimping material and be riveted.

Crimping process, to ensure that the lead will not be reversed, sealing resin will not be destroyed.

Contact resistance should be minimal, Large contact resistance will lead to higher temp., TCO Functioning in advance.

Please see the specification

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Guangdong Uchi Electronics Co.,Ltd

Location Room 810, Unit 2, Building 5, Huixing Commercial Center, Dongsheng Road No.1, Zhongshan Dong, Shilong Town Dongguan, GUANGDONG, 523326 CN

Contact Person Anna

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