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Ceramic Trimmer Potentiometer JIERR JER855VCR-203 Metal Glaze Linear Adjustment 0.5W Power Rating

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Ceramic Trimmer Potentiometer JIERR JER855VCR-203 Metal Glaze Linear Adjustment 0.5W Power Rating

Voltage Rating : 30V

Tolerance : ±20%

Power(Watts) : 500mW

Resistance : 20kΩ

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

Mfr. Part # : JER855VCR-203

Model Number : JER855VCR-203

Package : Through Hole

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Product Overview

The JER855VCR series ceramic trimmer potentiometers offer high stability, compact size, and high precision, making them ideal for a wide range of applications. These potentiometers feature a rated power of 0.5 watts, a broad resistance range, and a metal glaze construction. They are designed for reliable performance with a nominal resistance tolerance of 20% and a linear resistance change characteristic.

Product Attributes

Brand: JER
Series: JER855VCR
Type: Ceramic Trimmer Potentiometer
Material: Metal Glaze
Adjustment Type: Linear (B)
Mounting Type: Vertical
Sealing: Dustproof
Standard Packaging: 200 pcs/bag
Standards Compliance: IEC, JIS (B)

Technical Specifications

Parameter	Specification
Electrical Characteristics
Nominal Resistance Range	300 - 2M
Nominal Resistance Tolerance	20%
Resistance Change Characteristic	B (Linear)
Rated Power	0.5W
Maximum Operating Voltage	30VAC
Rotational Noise	100mV
Zero Position Resistance (R 1K)	r01, r03 10
Zero Position Resistance (R > 1K)	r01, r03 < 1%R
Physical Characteristics
Total Mechanical Travel	270 10
Effective Travel	240 10
Rotational Torque	3mNm ~ 30mNm
Stop Strength	50mNm
Reliability
Operating Temperature Range	-30 to +85
Rotational Life (No Load)	Resistance change within 10% after 502 cycles
Temperature Characteristic (No Load)	Resistance change within 3% after 5 hours at 703
Temperature Cycling (No Load)	Resistance change within 3% after 5 cycles
Long-term Heat Resistance (No Load)	Resistance change within 5% after 50010 hours at 703
Damp Heat Resistance (No Load)	Resistance change within 5% after 50010 hours at 402, 90-95% humidity
Load Life Characteristic	Resistance change within 5% after 50010 hours at 402, 90-95% humidity with rated voltage
Solder Heat Resistance	Resistance change within 2% after immersion in solder at 26010 for 30.5 seconds
Temperature Coefficient	Within 250PPM/
Soldering Conditions
Temperature	26010
Time	Within 3 seconds (total time)

Product Naming Rule

JER 855 V C R 102

JER: Series
855: Model
V: Mounting Type (Vertical)
C: Sealing (Dustproof)
R: Adjustment Type (Reverse Adjustment)
102: Resistance Code (e.g., 102 = 1K)

Usage Precautions

Ensure flux is thoroughly dried before soldering to prevent quality degradation. Pay attention to flux application amount.
Do not immerse potentiometers in solvents. Contact manufacturer for cleaning procedures if necessary.
Avoid applying excessive force to terminals, center terminals, or wiper parts during PCB insertion and assembly to prevent deformation and poor contact. Exercise extra caution with open-type potentiometers, especially the wiper area.
Store potentiometers away from high/low temperatures, high humidity, and corrosive gases. Pay special attention to long-term storage.
Be mindful of stacking pressure on products during storage.
Implement a first-in, first-out (FIFO) inventory management system.

2512081700_JIERR-JER855VCR-203_C52033434.pdf

Ceramic Trimmer Potentiometer JIERR JER855VCR-203 Metal Glaze Linear Adjustment 0.5W Power Rating Images

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