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Transformers Tf 102C Fusing Temp 99C Alloy Thermal Link Home Electrical Appliances

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Transformers Tf 102C Fusing Temp 99C Alloy Thermal Link Home Electrical Appliances

Brand Name	UCHI
Model Number	A0-A20 B0-B20
Certification	UL,CUL,TUV,CCC
Place of Origin	Dongguan,Guangdong,China
Minimum Order Quantity	5000PCS
Price	Negotiable
Payment Terms	T/T,Paypal,Western Union,Money gram
Supply Ability	5000,000,000PCS Per Month
Delivery Time	7 days
Packaging Details	Bulk
Holding Temp. (Th)	current for 168 h.
Key Features	RoHS & REACH Compliant
Applications	Lamps，Transformers，Motors，Batteries，Switched-mode Power Supply ，Home Electrical Appliances，
Customization	Other Temp.Can be Customized ，Lead Wires CanbeInsulated，Tinned Copper Wires or CP Wires
Packaging Information	Carton Size: 330 × 300 × 220 (mm)
Breaking Capacity:	High

Detailed Product Description

Home Electrical Appliances Transformers Tf 102°C Fusing Temp. 99°C ,Alloy Thermal-link / Thermal Cutoff (TCO)

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.

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.

Table 1. Hand Soldering Time When the TCO Lead Wire is Tinned Copper Wire (s)

Rated Functioning Temp. Tf	Max. Allowable Soldering Time for Different Lead Wire Length						Max. Soldering Temp.
Rated Functioning Temp. Tf	Length of Lead Wire	Max. Allowable Soldering Time	Length of Lead Wire	Max. Allowable Soldering Time	Length of Lead Wire	Max. Allowable Soldering Time	Max. Soldering Temp.
(°C)	(mm)	(s)	(mm)	(s)	(mm)	(s)	(°C)
76 - 101	10	1a	20	2	30	3	400
102 - 115	10	1a	20	2	30	3
116 - 135	10	1a	20	3	30	5
136 - 150	10	3	20	5	30	5
151 - 230	10	4	20	6	30	7

Auxiliary Heat Sink Fixture is Required to Avoid TCO Cutting Off Unexpectedly.

Table 2. Hand Soldering Time When the TCO Lead Wire is Copper Plated (CP) wire (s)

Rated Functioning Temp. Tf	Max. Allowable Soldering Time when the Length of Lead Wire is Different (s)						Max. Soldering Temp.
Rated Functioning Temp. Tf	Length of Lead Wire	Max. Allowable Soldering Time	Length of Lead Wire	Max. Allowable Soldering Time	Length of Lead Wire	Max. Allowable Soldering Time	Max. Soldering Temp.
(°C)	(mm)	(s)	(mm)	(s)	(mm)	(s)	(°C)
76 - 101	10	4	20	5	30	6	400
102 - 115	10	4	20	5	30	6
116 - 135	10	4	20	6	30	8
136 - 150	10	6	20	8	30	8
151 - 230	10	7	20	9	30	10

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.

Rated Functioning Temp. Tf	Max. Allowable Preheating Temp. When the Length of Lead Wire is Different				(t1) Preheating Time	Max. Wave Soldering Temp.	(t2) Dip Time	(t3) Cooling Time
Rated Functioning Temp. Tf	The Length of lead wire	Preheating Temp.	The Length of lead wire	Preheating Temp.	(t1) Preheating Time	Max. Wave Soldering Temp.	(t2) Dip Time	(t3) Cooling Time
(°C)	(mm)	(°C)	(mm)	(°C)	(s)	(°C)	(s)	(s)
76 - 130	Advise Hand Soldering
131 - 150	20	80	30	90	＜60	≤260	≤3	≤10
151 - 230	20	90	30	100	＜60	≤260	≤3	≤10

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.

Dimensions (mm)

L	L1	W	T	d	F
5.8±0.5	70±2	5.8±0.5	2.3±0.2	Φ0.50±0.05	3.2±0.5

Specifications

Model	Tf	Fusing Temp.	Th	Tm	Ir	Ur
Model	(°C)	(°C)	(°C)	(°C)	(A)	(V)	UL	CUL	TUV	CCC
A0	76	73±2	53	200	1	AC 300			●	●	●
A1	86	81±2	61	200	1	AC 300	●	●	●	●	●
A1	86	81±2	61	200	1	DC 60	●	●			●
A2	102	99±2	79	200	1	AC 300	●	●	●	●	●
A2	102	99±2	79	200	1	DC 60	●	●			●
A3	115	111±2	91	200	1	AC 300	●	●	●	●	●
A3	115	111±2	91	200	1	DC 60	●	●			●
A4	125	120±2	100	200	1	AC 300	●	●	●	●	●
A4	125	120±2	100	200	1	DC 60	●	●			●
A5	130	125±2	106	200	1	AC 300	●	●	●	●	●
A5	130	125±2	106	200	1	DC 60	●	●			●
A6	133	130±2	112	200	1	AC 300	●	●			●
A6	133	130±2	112	200	1	DC 60	●	●			●
A7	135	130±2	112	200	1	AC 300	●	●	●	●	●
A7	135	130±2	112	200	1	DC 60	●	●			●
A8	136	131±2	112	200	1	AC 300	●	●	●	●	●
A8	136	131±2	112	200	1	DC 60	●	●			●
A22	140	136±2	121	200	1	AC300	●	●		●	●
A9	145	140±2	121	200	1	AC 300	●	●	●	●	●
A9	145	140±2	121	200	1	DC 60	●	●			●
A10	150	145±2	126	200	1	AC 300	●	●	●	●	●
A10	150	145±2	126	200	1	DC 60	●	●			●
A11	160	156±2	135	200	1	AC 300				●	●
A25	185	182±3	150	250	1	AC 300				●	●
A20	205	198±3	160	250	1	AC 300				●	●

Dimensions (mm)

L	L1	W	T	d	F
5.8±0.5	70±2	5.8±0.5	2.3±0.2	e 0.54±0.05	3.7±0.5

Specifications

Model	Tf	Fusing Temp.	Th	Tm	Ir	Ur
Model	(°C)	(°C)	(°C)	(°C)	(A)	(V)	UL	CUL	TUV	CCC
B0	76	73±2	53	200	2	AC 300			●	●	●
B1	86	81±2	61	200	2	AC 300	●	●	●	●	●
B1	86	81±2	61	200	2	DC 60	●	●			●
B2	102	99±2	79	200	2	AC 300	●	●	●	●	●
B2	102	99±2	79	200	2	DC 60	●	●			●
B3	115	111±2	91	200	2	AC 300	●	●	●	●	●
B3	115	111±2	91	200	2	DC 60	●	●			●
B4	125	120±2	100	200	2	AC 300	●	●	●	●	●
B4	125	120±2	100	200	2	DC 60	●	●			●
B5	130	125±2	106	200	2	AC 300	●	●	●	●	●
B5	130	125±2	106	200	2	DC 60	●	●			●
B6	133	130±2	112	200	2	AC 300	●	●			●
B6	133	130±2	112	200	2	DC 60	●	●			●
B7	135	130±2	112	200	2	AC 300	●	●	●	●	●
B7	135	130±2	112	200	2	DC 60	●	●			●
B8	136	131±2	112	200	2	AC 300	●	●	●	●	●
B8	136	131±2	112	200	2	DC 60	●	●			●
B22	140	136±2	121	200	2	AC300	●	●		●	●
B9	145	140±2	121	200	2	AC 300	●	●	●	●	●
B9	145	140±2	121	200	2	DC 60	●	●			●
B10	150	145±2	126	200	2	AC 300	●	●	●	●	●
B10	150	145±2	126	200	2	DC 60	●	●			●
B11	160	156±2	135	200	2	AC 300				●	●
B25	185	182±3	150	250	2	AC 300				●	●
B20	205	198±3	160	250	2	AC 300				●	●

Dimensions (mm)

L	L1	W	T	d	F
5.8±0.5	70±2	5.8±0.5	2.3±0.2	e 0.54±0.05	3.7±0.5

Specifications

Model	Tf	Fusing Temp.	Th	Tm	Ir	Ur
Model	(°C)	(°C)	(°C)	(°C)	(A)	(V)	UL	CUL	TUV	CCC
C0	76	73±2	53	200	3	AC 300			●	●	●
C1	86	81±2	61	200	3	AC 300	●	●	●	●	●
C1	86	81±2	61	200	3	DC 60	●	●			●
C2	102	99±2	79	200	3	AC 300			●	●	●
C2	102	99±2	79	200	3	DC 60	●	●			●
C3	115	111±2	91	200	3	AC 300	●	●	●	●	●
C3	115	111±2	91	200	3	DC 60	●	●			●
C4	125	120±2	100	200	3	AC 300	●	●	●	●	●
C4	125	120±2	100	200	3	DC 60	●	●			●
C5	130	125±2	106	200	3	AC 300	●	●	●	●	●
C5	130	125±2	106	200	3	DC 60	●	●			●
C6	133	130±2	112	200	3	AC 300	●	●			●
C6	133	130±2	112	200	3	DC 60	●	●			●
C7	135	130±2	112	200	3	AC 300	●	●	●	●	●
C7	135	130±2	112	200	3	DC 60	●	●			●
C8	136	131±2	112	200	3	AC 300	●	●	●	●	●
C8	136	131±2	112	200	3	DC 60	●	●			●
C22	140	136±2	121	200	3	AC300	●	●		●	●
C9	145	140±2	121	200	3	AC 300	●	●	●	●	●
C9	145	140±2	121	200	3	DC 60	●	●			●
C10	150	145±2	126	200	3	AC 300	●	●	●	●	●
C10	150	145±2	126	200	3	DC 60	●	●			●
C11	160	156±2	135	200	3	AC 300				●	●
C25	185	182±3	150	250	3	AC 300				●	●
C20	205	198±3	160	250	3	AC 300				●	●

Dimensions (mm)

L	L1	W	T	d	F
7.0±0.5	50±2	6.6±0.5	2.7±0.3	e0.80±0.05	4.0±0.5

Specifications

Model

Fusing Temp.

In 8/20

μs

Imax

8/20 μs (1 Time)

(15 Times)

(°C)

(A)

(V)

(kA)

CUL

TUV

CCC

102

99±2

200

AC 300

●

115

112±2

200

AC 300

●

125

120±2

200

AC 300

●

130

125±2

103

200

AC 300

●

133

130±2

108

200

AC 300

●

135

130±2

108

200

AC 300

●

136

131±2

108

200

AC 300

●

D10

150

145±2

123

200

AC 300

●

Dimensions (mm)

L	L1	W	T	d	F
7.5±0.5	45±2	8.3±0.5	3.4±0.3	e1.05±0.05	5.2±0.5

Specifications

Model

Fus-

ing

Temp.

In 8/20

μs

Imax 8/20 μs

(1 Time)

(15 Times)

(°C)

(A)

(Vac)

(kA)

CUL

TUV

CCC

102

99±2

200

300

●

115

112±2

200

300

●

125

121±2

200

300

●

130

125±2

100

200

300

●

133

130±2

106

200

300

●

135

130±2

106

200

300

●

136

131±2

106

200

300

●

E10

150

145±2

118

200

300

●

Dimensions (mm)

L	L1	W	T	d	F
7.5±0.5	45±2	8.3±0.5	3.4±0.3	e1.05±0.05	5.2±0.5

Model

Fusing Temp.

In 8/20

μs

Imax 8/20 μs (1 Time)

(15 Times)

(°C)

(A)

(Vac)

(kA)

CUL

TUV

CCC

83±2

200

300

●

102

99±2

200

300

●

115

112±2

200

300

●

125

121±2

200

300

●

130

125±2

100

200

300

●

133

130±2

106

200

300

●

135

130±2

106

200

300

●

136

131±2

106

200

300

●

F10

150

145±2

118

200

300

●

Dimensions (mm)

L	L1	W	T	d	F
7.5±0.5	45±2	8.3±0.5	3.4±0.3	e1.05±0.05	5.2±0.5

Specifications

Model

Fusing Temp.

max 8/20 μs (1 Time)

(°C)

(Vac)

(kA)

CUL

TUV

CCC

F2_15kA

102

99±2

200

300

●

F3_15kA

115

112±2

200

300

●

F7_15kA

135

130±2

106

200

300

●

F8_15kA

136

131±2

106

200

300

●

Dimensions (mm)

L	L1	W	T	d	F
8.5±0.5	45±2	9.3±0.5	3.8±0.3	e1.05±0.05	5.2±0.5

Specifications

Model

Fusing Temp.

In 8/20

μs

Imax 8/20 μs (1 Time)

(15 Times)

(°C)

(Vac)

(kA)

CUL

TUV

CCC

F2_20kA

102

99±2

200

300

●

F3_20kA

115

112±2

200

300

●

F7_20kA

135

130±2

106

200

300

●

F8_20kA

136

131±2

106

200

300

●

Dimensions (mm)

L	L1	W	T	d	F
13±0.5	45±2	11.5±0.5	4.9±0.5	e1.6±0.05	7.2±0.5

Specifications

Model

Fusing Temp.

In 8/20

μs

Imax 8/20 μs (1 Time)

(15 Times)

(°C)

(A)

(Vac)

(kA)

CCC

TUV

102

99±2

165

300

●

115

112±2

165

300

●

125

122±2

165

300

●

130

126±2

165

300

●

136

132±2

102

165

300

●

L10

150

145±2

116

165

300

●

Dimensions (mm)

L	L1	W	T	d	F
13±0.5	45±2	11.5±0.5	4.9±0.5	e1.6±0.05	7.2±0.5

Specifications

Model

Fusing Temp.

In 8/20

μs

Imax 8/20 μs (1 Time)

(15 Times)

(°C)

(A)

(Vac)

(kA)

CCC

TUV

102

99±2

165

300

●

115

112±2

165

300

●

125

122±2

165

300

●

130

126±2

165

300

●

136

132±2

102

165

300

●

G10

150

145±2

116

165

300

●

Dimensions (mm)

L	L1	W	T	d	F
13±0.5	45±2	11.5±0.5	4.9±0.5	e2.0±0.05	7.2±0.5

Specifications

Model

Fusing Temp.

In 8/20

μs

Imax 8/20 μs (1 Time)

(15 Times)

(°C)

(A)

(Vac)

(kA)

CCC

TUV

102

99±2

165

300

●

115

112±2

165

300

●

125

122±2

165

300

●

130

126±2

165

300

●

136

132±2

102

165

300

●

H10

150

145±2

116

165

300

●

Dimensions (mm)

L	L1	W	T	d	F
15.5±1.0	45±2	13.8±1.0	5.7±0.8	e2.0±0.05	9.0±0.5

Specifications

Model

Fusing Temp.

In 8/20

μs

Imax 8/20 μs (1 Time)

(15 Times)

(°C)

(A)

(Vac)

(kA)

102

99±2

165

300

●

115

112±2

165

300

●

125

122±2

165

300

●

130

126±2

165

300

●

136

132±2

165

300

●

M10

150

145±2

110

165

300

●

Dimensions (mm)

L	L1	W	T	d	F
15.5±1.0	45±2	13.8±1.0	5.7±0.8	e2.2±0.05	9.0±0.5

Specifications

Model

Fusing Temp.

In 8/20

μs

Imax 8/20 μs (1 Time)

(15 Times)

(°C)

(A)

(Vac)

(kA)

102

99±2

165

300

●

115

112±2

165

300

●

125

122±2

165

300

●

130

126±2

165

300

●

136

132±2

165

300

●

K10

150

145±2

110

165

300

●

Dimensions (mm)

L	L1	W	T	d	F
15.5±1.0	45±2	13.8±1.0	5.7±0.8	e2.0±0.05	9.0±0.5

Specifications

Model

Fusing

Temp.

Imax

8/20 μs

(1 Time)

(°C)

(Vac)

(kA)

KH2

102

99±2

165

690

●

KH3

115

112±2

165

690

●

KH4

125

122±2

165

690

●

KH5

130

126±2

165

690

●

KH8

136

132±2

165

690

●

KH10

150

145±2

110

165

690

●

Product Tags: 102C Alloy Thermal Link 99C Alloy Thermal Link CUL Thermal Fuse

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