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Specifications
1.100ohm~1M,20%2.250V,0.25W
3.ROHS,good quanlity
4.Welcomed the trial order
5.Supply capacity:1000000 a month
Some parts of our certificates
Advantage of choosing our company and products:
1. Sichuan qixing electronic co. ltd. is a technical factory of mainly manufacturing and develop high power resistor,wire-wound potentiometer,metal glass glaze potentiometer,carbon film potentiometer,precision parts and AC power noise filter.
2. The established maxim of our company is technical innovation, keeping improvement and meet customer demands.
3. Rich and varied goods is your selection guide. High quality is absolutely the credibility of the guarantee. Reasonable price is your final choice.
4. Our products is also used in the field of the military industry .Our factory are continuing to offer a great deal of qualified goods in the field of the military industry .
| Electrical Characteristics | Range of nominal resistance | 100Ω~1MΩ | ||||
| Resistance tolerance | ±20% | |||||
| Terminal resistance | ≤±1%R or 10Ω | |||||
| Contact resistance variation (CRV) | ≤±3%R | |||||
| Insulation resistance | ≥ 500MΩ (100V AC) | |||||
| Withstand voltage | 250V (DC or AC peak value) | |||||
| Effective electrical travel | ≥200° | |||||
| Environment Characteristics | Rated power | 0.25W ( 300V max) | ||||
| Temperature range | -55°C~+125°C | |||||
| TCR | ±250×10-6/°C | |||||
| Collision (390m/S2, 4000 times) | ΔR≤±1%R | |||||
| Vibration (10-500HZ, 0.75mm, 6h) | ΔR≤±1%R, ΔUab/Uac≤±2%R, Electrical break≤100μS | |||||
| Temperature variation (-55°C/30min, +125°C/30min, 5 cycles) | ΔR≤±2%R, ΔUab/Uac≤±2%R | |||||
| Climate category (IEC68-2-2) | ΔR≤± (10%R+0.1Ω), Insulation Resistance ≥100MΩ | |||||
| Electrical endurance (0.5W, 1000h) | ΔR≤± (5%R+0.1Ω) | |||||
| Mechanical endurance (200 cycles) | ΔR≤± (20%R+0.5Ω) | |||||
| Steady damp heat (IEC68-2-3, Ca, 96h) | ΔR≤± (10%R+0.1Ω), Insulation Resistance≥100MΩ | |||||
| Physical Characteristics | Total mechanical travel | ≥240° | ||||
| Starting torque | ≤20mN.m | |||||
| Stopper torque | ≥50mN.m | |||||
| Soldering conditions | 240°c-260°c(5 seconds) | |||||
| Electrical Characteristics | Range of nominal resistance | 100Ω~1MΩ | ||||
| Resistance tolerance | ±20% | |||||
| Terminal resistance | ≤±1%R or 10Ω | |||||
| Contact resistance variation (CRV) | ≤±3%R | |||||
| Insulation resistance | ≥ 500MΩ (100V AC) | |||||
| Withstand voltage | 250V (DC or AC peak value) | |||||
| Effective electrical travel | ≥200° | |||||
| Environment Characteristics | Rated power | 0.25W ( 300V max) | ||||
| Temperature range | -55°C~+125°C | |||||
| TCR | ±250×10-6/°C | |||||
| Collision (390m/S2, 4000 times) | ΔR≤±1%R | |||||
| Vibration (10-500HZ, 0.75mm, 6h) | ΔR≤±1%R, ΔUab/Uac≤±2%R, Electrical break≤100μS | |||||
| Temperature variation (-55°C/30min, +125°C/30min, 5 cycles) | ΔR≤±2%R, ΔUab/Uac≤±2%R | |||||
| Climate category (IEC68-2-2) | ΔR≤± (10%R+0.1Ω), Insulation Resistance ≥100MΩ | |||||
| Electrical endurance (0.5W, 1000h) | ΔR≤± (5%R+0.1Ω) | |||||
| Mechanical endurance (200 cycles) | ΔR≤± (20%R+0.5Ω) | |||||
| Steady damp heat (IEC68-2-3, Ca, 96h) | ΔR≤± (10%R+0.1Ω), Insulation Resistance≥100MΩ | |||||
| Physical Characteristics | Total mechanical travel | ≥240° | ||||
| Starting torque | ≤20mN.m | |||||
| Stopper torque | ≥50mN.m | |||||
| Soldering conditions | 240°c-260°c(5 seconds) | |||||
Function of potentiometer:
A potentiometer is a manually adjustable electrical resistor that uses three terminals. It is a simple electro-mechanical transducer. It converts rotary or linear motion from the operator into a change of resistance, and this change is used to control the levels of output. It is sometimes known as POTS.Potentiometer is an adjustable electronic components,which plays main roles in the circuit on the following several aspects
1.As a voltage divider:Potentiometer is a continuously adjustable resistor. When potetiometer’s stem or sliding handle move on the resistor body, the output of the potentiometer can be obtained output of voltage with certain related to the potentiometer applied voltage and movable arm or travel .
2.As a variable resistor :When potentiometer is used as a rheostat, it should be taken into two end devices.Thus within the limited travel range of potentiometer,which can be gotten smooth, continuously changable resistance value.
3.As the current controller :Potentiometer is used as the current controller, one of the designate current output must be sliding contact terminal.
4.Application of potentiometers
•Linear displacement measurement
•Rotary displacement measurement
•Volume control
•Brightness control
•Liquid level measurements using floats
Our partners:
CHANGHONG
TAIWAN KEZHENGXIN ELECTRONICS CO.
XI’AN HONGXING ELECTRONICS CO.
JIALING MOTORCYCLE
KLS ELECTRONIC CO., LTD.
The Scope of Potentiometer:
Workflow
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