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Thick film speed regulation for power tools

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It is specially produced for the power tool industry. It is a necessary part of the power tool speed switch. It is made by thick film circuit production technology. It has long service life, stepless speed regulation, stable output, high precision, easy installation, and reliability. High, fast response, small hysteresis mutation, etc.; it can be designed and processed according to the technical requirements provided by customers to meet customer requirements.

产品编号:

Cate

Thick film power tool governor

range of working temperature:

-40℃～+125℃

Substrate material:

96% AL2O3 ceramic substrate

Conductor material:

Ag/Pd, strong conductor adhesion

Resistance material:

High performance conductive material, good wear resistance, up to 1 million times (contact material: silver cadmium contact, sta

数量：

Stock:



Product description

Table Parameter

1. Product introduction:

2. Product features:

1. Reliable performance, stable input and output characteristics, high precision, low TCR, etc.

2. The conduction angle or conduction voltage can be repaired and processed with an accuracy of 0.5%

3. It has excellent heat dissipation performance and is suitable for all kinds of 50-60HZ AC power switches

4. Long service life, good consistency, can be matched with various types of imported and domestic electric tools

5. Good solderability and solder resistance, suitable for high-speed SMT patch processes such as reflow soldering

3. Product features:

1. Operating temperature range: -40℃～+125℃

2. Substrate material: 96% AL2O3 ceramic substrate

3. Conductor material: Ag/Pd, strong conductor adhesion

4. Resistance material: high-performance conductive material, good wear resistance, up to 1 million times (contact material: silver

Cadmium contact, stainless steel contact or cupronickel contact, contact pressure is 0.25±0.1N)

5. Welding ability: the resistance change is less than 0.5% (265 ℃ soldering furnace, immersed in 10s, repeated 5 times to test the electric

Resistance change rate)

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project	specification
Resistance range	1 Ω ～10M Ω
Resistance tolerance	Matching resistance, minimum ±1 % , variable resistance, minimum ±5%
Temperature Coefficient of Resistance	1Ω≤R<100Ω 1MΩ<R≤10MΩ	±500PPM /℃
Temperature Coefficient of Resistance	100 Ω≤R≤1MΩ	±250PPM /℃
Abrasion resistance	≥ 1 million times	To 600 times / carried out at a rate of abrasion resistance test ( a round trip meter 1 times ) , 100 after the index products to meet the requirements million times

Insulation resistance	100MΩ	Apply 240V AC voltage between the substrate and the electrode , test the insulation resistance value after 1 minute of electrification
Solderability	Weldable area is greater than 95%	Dip the product into the inactive flux for about 2s , then remove the excess flux, immerse the product into the solder bath to a depth of 10mm , the solder bath temperature is 240℃±5℃ , the immersion time is 3s ±1 s , and the resistor is cleaned with solvent Flux residues on the film , observed under a magnifying glass of 10 times
Resistance to welding heat	No visible damage △R≤±(1%R+0.05Ω)	Immerse the component into the solder tank to a depth of 10mm , the temperature in the solder tank is 270℃±5℃ , the immersion time is 10s ±1 s , and place it at room temperature for 1 to 2 hours. Clean the excess flux with a solvent, and then measure the resistance value
Rapid temperature change	No visible damage △R≤±(1%R+0.05Ω)	Normal temperature (2 to 3 minutes ) -55°C±3°C for 30 minutes 125°C±3°C for 30 minutes Normal temperature (2 to 3 minutes ) , after 5 consecutive cycles from low temperature to high temperature , the component recovers for more than 1 hour under standard atmospheric conditions , Within 2 hours, measure the resistance value
Steady state damp heat	No visible damage △R≤±(3%R+0.1Ω)	The component is maintained for 1000 hours in a humid heat test box with a temperature of 40℃±2℃ and a humidity of 90% to 95%
Solvent resistance	No visible damage	Dissolving solution: trichloroethylene, immersed in 10H±1H
Storage conditions	Temperature: 5℃ ～35℃ , relative humidity: 45% ～70%RH Avoid storing in corrosive gas environment

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Thick film speed regulation for power tools

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