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Compact ceramic trimmer potentiometer JIERR JER825VC-203 with wide resistance range and stable performance

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Compact ceramic trimmer potentiometer JIERR JER825VC-203 with wide resistance range and stable performance

Voltage Rating : 30V

Tolerance : ±20%

Power(Watts) : 500mW

Resistance : 20kΩ

Description : ±20% 500mW 20kΩ Through Hole Trimmer Potentiometers RoHS

Mfr. Part # : JER825VC-203

Model Number : JER825VC-203

Package : Through Hole

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Ceramic Trimmer Potentiometer - JER825VC Series

The JER825VC series ceramic trimmer potentiometers are designed for applications requiring high stability, compact size, and precise adjustments. These potentiometers feature a rated power of 0.5 watts and a wide resistance range, utilizing a metal glaze resistive element for reliable performance. They are suitable for various electronic circuits where fine-tuning of resistance is necessary.

Product Attributes

Brand: JER
Series: 825VC
Resistive Element Material: Metal Glaze
Type: Trimmer Potentiometer
Construction: Ceramic
Packaging: 500 pcs/bag

Technical Specifications

Parameter	Specification
Rated Power	0.5W
Nominal Resistance Range	300 - 2M
Tolerance of Nominal Resistance	20%
Resistance Taper	B (Linear)
Max. Operating Voltage	30VAC
Rotational Noise	100mV
Zero Position Resistance (R1K)	r01, r03 10
Zero Position Resistance (R1K)	r01, r03 < 1%R
Total Mechanical Travel	270 10
Effective Travel	240 10
Rotational Torque	3mNm ~ 30mNm
Stop Strength	50mNm
Operating Temperature Range	-30 to +85
Rotational Life (No Load)	10% resistance change after 502 cycles
Temperature Coefficient	250PPM/ (within -30 to +85)
Soldering Heat Resistance	2% resistance change after immersion at 26010 for 30.5 seconds
Product Naming Rule	JER - 825 - V - C - [Resistance Code]

Nominal Resistance Code Table

Resistance ()	Code	Resistance ()	Code
100	101	20000 (20K)	203
200	201	50000 (50K)	503
500	501	100000 (100K)	104
1000 (1K)	102	200000 (200K)	204
2000 (2K)	202	500000 (500K)	504
5000 (5K)	502	1000000 (1M)	105
10000 (10K)	103

Reliability Testing

Test Item	Test Method	Criteria
Temperature Characteristics	No load, 703 for 5 hours	3% resistance change
Temperature Cycling	5 cycles of -30 to +85	3% resistance change after 2 hours at room temp/humidity
Long-term Heat Resistance	No load, 703 for 50010 hours	5% resistance change after 2 hours at room temp/humidity
Humidity Resistance	No load, 402, 90-95% RH for 50010 hours	5% resistance change after 5 hours at room temp/humidity
Load Life	402, 90-95% RH, rated voltage applied for 1.5 hours, off for 0.5 hours, repeated for 50010 hours	5% resistance change after 5 hours at room temp/humidity

Soldering Conditions

Parameter	Specification
Temperature	26010
Time	Within 3 seconds (total time)

Precautions for Use

Ensure flux is completely dry before soldering to avoid quality degradation. Control flux application amount.
Do not immerse the semi-adjustable resistors in solvents. Contact us for cleaning procedures if necessary.
Avoid applying excessive force to terminals, center terminals, and wiper contacts after insertion into the PCB and assembly, as this can cause deformation and poor contact. Pay special attention to the wiper area on open-type potentiometers.
Store away from high/low temperatures, high humidity, and corrosive gases. Exercise extra caution for long-term storage.
Be mindful of stacking pressure on the products during storage.
Implement a First-In, First-Out (FIFO) inventory management system.

2512081659_JIERR-JER825VC-203_C52033422.pdf

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