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±20% 500mW 1kΩ Through Hole Trimmer Potentiometers RoHS
Mfr. Part #
JER805HC-102
Package
Through Hole
Model Number
JER805HC-102
Product Overview
The JER805HC series ceramic trimmer potentiometer offers high stability, a compact size, and high precision. Designed for broad resistance values and featuring a metal-glass glaze construction, these potentiometers are rated at 0.5 watts and are suitable for various electronic applications requiring precise resistance adjustment.
Product Attributes
Brand: JER
Series: JER805HC
Construction: Ceramic
Trimming Type: Potentiometer
Resistive Element: Metal-glass glaze
Packaging: 200 pcs/bag
Technical Specifications
Parameter
Specification
Rated Power
0.5W
Resistance Range
300 - 2M
Resistance Tolerance
20%
Resistance Change Characteristic
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
Stopping 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 at rated voltage
Solder Heat Resistance
Resistance change within 2% after 30.5 seconds immersion in solder at 26010
Temperature Coefficient
Within 250PPM/
Soldering Condition: Temperature
26010
Soldering Condition: Time
Within 3 seconds (total time)
Resistance Value Table
Resistance ()
Resistance Code
Resistance ()
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
Product Naming Convention
JER - 805 - H - C - 102
JER: Series
805: Model
H: Mounting Type (Horizontal)
C: Structure (Dustproof Seal)
102: Resistance Code (e.g., 102 = 1K)
Usage Precautions
Ensure flux is thoroughly dry before soldering to prevent quality degradation. Pay attention to the amount of flux applied.
Do not immerse potentiometers in solvents. Contact for cleaning instructions if necessary.
Avoid applying excessive force to terminals, sliders, or wiper parts during PCB insertion and assembly to prevent deformation and poor contact. Exercise caution with open-type designs, especially the wiper area.
Store away from high/low temperatures, high humidity, and corrosive gases. Special attention is required for long-term storage.
Be mindful of stacking pressure on stored products.
Implement a First-In, First-Out (FIFO) inventory management system.