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±20% 500mW 100kΩ Through Hole Trimmer Potentiometers RoHS
Mfr. Part #
JER855VCR-104
Package
Through Hole
Model Number
JER855VCR-104
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.
Company Profile
Beijing Silk Road Enterprise Management Services Co.,Ltd. is a professional company focus on integrated circuit ic business. Beijing Silk Road will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining an...
Company Profile
Beijing Silk Road Enterprise Management Services Co.,Ltd. is a professional company focus on integrated circuit ic business. Beijing Silk Road will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining an...