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Compact ceramic trimmer potentiometer JIERR JER855VCR-104 with wide resistance range and dustproof sealing

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Compact ceramic trimmer potentiometer JIERR JER855VCR-104 with wide resistance range and dustproof sealing

Voltage Rating : 30V

Tolerance : ±20%

Power(Watts) : 500mW

Resistance : 100kΩ

Description : ±20% 500mW 100kΩ Through Hole Trimmer Potentiometers RoHS

Mfr. Part # : JER855VCR-104

Model Number : JER855VCR-104

Package : Through Hole

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Product Overview

The JER855VCR series ceramic trimmer potentiometer offers high stability, a compact size, and high precision, making it suitable for various electronic applications. Featuring a rated power of 0.5W and a wide resistance range, these potentiometers utilize a metal-glass glaze construction for enhanced reliability. They are designed for precise adjustments with a linear resistance change characteristic.

Product Attributes

Brand: JER
Series: 855VCR
Material: Ceramic, Metal-glass glaze
Adjustment Type: Linear (B)
Sealing: Dustproof
Mounting Form: Vertical
Standard Packaging: 200 pcs/bag
Standards Compliance: JIS (Japan Standard)

Technical Specifications

Parameter	Specification
Series	JER855VCR
Rated Power	0.5W
Resistance Range	300 - 2M
Resistance Tolerance	20%
Resistance Change Characteristic	B (Linear)
Max. Operating Voltage	30VAC
Noise	100mV
Zero Resistance (R 1K)	r01, r03 10
Zero Resistance (R > 1K)	r01, r03 < 1%R
Total Mechanical Travel	270 10
Effective Travel	240 10
Rotational Torque	3mNm ~ 30mNm
Detent Strength	50mNm
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
Humidity Resistance (No Load)	Resistance change within 5% after 50010 hours at 402, 90-95% RH
Load Life (402, 90-95% RH)	Resistance change within 5% after 50010 hours (1.5h rated voltage, 0.5h cut cycle)
Solder Heat Resistance	Resistance change within 2% after immersion in solder at 26010 for 30.5 seconds
Temperature Coefficient	Within 250PPM/
Soldering Condition (Temperature)	26010
Soldering Condition (Time)	Within 3 seconds (total time)

Product Naming Rule

JER - 855 - V - C - R - 102

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

Usage Precautions

Allow flux to dry thoroughly before soldering to prevent quality degradation. Pay attention to flux application amount.
Do not immerse the semi-adjustable resistors in solvents. Contact for cleaning instructions if necessary.
Avoid applying excessive force to terminals, center terminals, and wiper parts after PCB insertion and assembly to prevent deformation and poor contact. Exercise caution with the wiper area, especially on open types.
Store away from high/low temperatures, humidity, and corrosive gases. Pay extra attention for long-term storage.
Be mindful of stacking pressure on the products during storage.
Implement a First-In, First-Out (FIFO) inventory management system.

2512081700_JIERR-JER855VCR-104_C52033435.pdf

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