Thermal-links｜Uchihashi Estec Co.,Ltd.

Thermal-links Select

Thermal links（Axial Type）

12 Series

This 12 series is standard. The diameter is 2.5 mm.

Rated Current ：1.5A～2A (AC250V)

17 Series

17 series has higher rated current than conventional 12series though same size package.

Rated Current ：2～4.5A（AC250V）

22 Series

The diameter is 3.3 mm. This 22 series has the highest rated current.

Rated Current ：2.5A～5A (AC250V)

27 Series

27 series has higher rated current than conventional 22series though same size package.

Rated Current ：5～10A（AC250V）

32 Series

The diameter is 2 mm. This 32 series is slightly smaller than 12 series.

Rated Current ：0.8A～1A（AC250V）

36 Series

36 series has higher rated current than conventional 32series though same size package.

Rated Current ：1～2A（AC250V）

37 Series

This 37 series has a DC rating for second protection of protection circuit of Lithium ion rechargeable batteries. The diameter is 2 mm. The high DC current will be applicable.

Rated Current ：8A～11A（DC50V）

44 Series

The diameter is 1.65 mm. This 44 series is even smaller than 32 series.

Rated Current ：0.5A～1A（AC250V）

47Series

This 47 series has a DC rating for second protection of protection circuit of Lithium ion rechargeable batteries. The diameter is 2 mm. This 47 series is smaller than 37 series.

Rated Current ：6A（DC50V）

6 Series

The diameter is 1.4 mm. This 6 series is the one of world’s smallest thermal links. It is useful in narrow spaces.

Rated Current ：0.3A～0.5A（AC250V）

CR Series

CR series has a high surge capacity characteristics so that it is suitable for overheat protection of voltage dependant resistor (VDR) which used for surge protection devices.

Rated Current ：5A（AC250V）

K□F Series

The diameter is 1.5 mm.

Rated Current ：1A (AC250V)

T□F Series

The diameter is 2.0 mm.

Rated Current ：1～2A (AC250V)

T□X Series

The diameter is 2.0 mm. Soldering heatproof is improved, and it is the best for the flow soldering.

Rated Current ：1～2A (AC250V)

V□F Series

The diameter is 2.5 mm.

Rated Current ：2～3A (AC250V)

Y□F Series

The diameter is 3.0 mm.

Rated Current ：4～5A (AC250V)

L□F Series

The diameter is 3.3 mm.

Rated Current ：5A (AC250V)

T6D

This T6D series has a DC rating for second protection of protection circuit of Lithium ion rechargeable batteries. The diameter is 2 mm. The high DC current will be applicable.

Rated Current ：8～9A (DC50V)

Thermal links（Radial Type）

X Series

This X series has the highest rated current in radial lead type. The case length is 8.5 mm.

Rated Current ：3A (AC250V)

U2 Series

This U2 series is standard of radial lead type. The case length is 5.7 mm.

Rated Current ：2A～2.5A (AC250V)

S Series

This S series is the smallest series in radial lead type. The case length is 4 mm.

Rated Current ：0.8A～1A (AC250V)

SK Series

This SK series has higher thermal sensitivity due to ceramic case in radial lead type. The case length is 4 mm.

Rated Current ：0.8A (AC250V)

SC Series

This SC series has higher thermal sensitivity due to ceramic case in radial lead type, and it can be assembled by flow soldering due to its higher soldering heat resistance. The case length is 4 mm.

Rated Current ：1A (AC250V)

NC Series

The case of NC series can be fixed by screwing, and it can be assembled by flow soldering due to its higher soldering heat resistance. The case length is 11 mm.

Rated Current ：2A (AC250V)

N□F Series

The case length is 4.1 mm.

Rated Current ：1A (AC250V)

N□X Series

The case length is 4.1 mm. Soldering heatproof is improved, and it is the best for the flow soldering.

Rated Current ：1A (AC250V)

H□F Series

The case length is 5.9 mm.

Rated Current ：2～3A (AC250V)

H□X Series

The case length is 5.9 mm. Soldering heatproof is improved, and it is the best for the flow soldering.

Rated Current ：2～3A (AC250V)

HU□X Series

Screwed radial lead type Soldering heatproof is improved, and it is the best for the flow soldering.

Rated Current ：2.5～3A (AC250V)

E□F Series

The case length is 8.5 mm.

Rated Current ：3A (AC250V)

E□X Series

The case length is 8.5 mm. Soldering heatproof is improved, and it is the best for the flow soldering.

Rated Current ：3A (AC250V)

Thermal links（Pellet Type）

LE□ Series

It is apellet type thermal links.

Rated Current ：15A (AC250V)

Thermal links /Resistor Assemblies

A5MC

This A5MC series is a thermal links/ resistor assembly which has an overheat protection function. And this series was developed as a high-reliable inrush current limiting device for switching mode power supplies.

Rated Power ：2.1W

A2JD

These A2JD series are a thermal links/ resistor assembly which has an overheat protection function. And this series was developed as a high-reliable inrush current limiting device for switching mode power supplies.

Rated Power ：1.0Ｗ

Y5JA

This Y5JA series is a thermal links/ resistor assembly which consists of two coil-winding resistors and a thermal linksw as an inrush current limiting device for switching mode power supplies. It realizes reducing mounting space and decreasing the number of components.

Rated Power ：2.8W

F1K Series

Thermal links / Resistor assemblies is a product that combined with thermal links of fusible alloy type and 1W wire wound resistor type.

Rated Power ：1.0W

F2K Series

Thermal links / Resistor assemblies is a product that combined with thermal links of fusible alloy type and 2W wire wound resistor type.

Rated Power ：1.0～1.6W

F5K Series

Thermal links / Resistor assemblies is a product that combined with thermal links of fusible alloy type and 5W wire wound resistor type.

Rated Power ：1.3～2.1W

F7K Series

Thermal links / Resistor assemblies is a product that combined with thermal links of fusible alloy type and 7W wire wound resistor type.

Rated Power ：3.0～3.5W

P7K Series

Thermal links / Resistor assemblies is a product that combined with thermal links of pellet type and 7W wire wound resistor type.

Rated Power ：3.0～4.0W

P10K Series

Thermal links / Resistor assemblies is a product that combined with thermal links of pellet type and 10W wire wound resistor type.

Rated Power ：4.5～5.0W

Thermal links with Resistor

F2R Series

The thermal links for fusible alloy type is a product that comblines one and two 2W resistance elements.

Rated Current ：

P2R Series

The thermal links for pellet type is a product that comblines one and two 2W resistance elements.　

Rated Current ：

Thermoprotector with resistor

EC Series

This series is a thermoprotector with resistor. It can open the circuit in both cases of abnormal temperature and circuit breakdown in second protection circuit of Lithium ion rechargeable battery.

Rated Current ：12A（DC32V）