Metal glaze resistor variable resistor 3 mm chip trimmer potentiometer HDK VG039NCHXTB101 for electronic

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Product Description

Product Overview

The HOKURIKU ELECTRIC INDUSTRY CO., LTD. VG039NCHXT is a 3 mm chip trimmer potentiometer featuring a Metal-Glaze-Resistor. Designed for use in electronic equipment, this variable resistor offers precise control and reliable performance across a wide operating temperature range. It is suitable for various applications requiring adjustable resistance, with a nominal total resistance ranging from 100 to 1 M.

Product Attributes

Brand: HOKURIKU ELECTRIC INDUSTRY CO., LTD.
Product Type: Variable Resistor (Trimmer Potentiometer)
Resistor Technology: Metal-Glaze-Resistor
Origin: CHINA
Series: 1, 2, 3, 5 series (Application List attached)
Marking: Nominal total resistance is marked with significant figures and quantity of zeros (e.g., 1 k = 13, 10 k = 14). RoHS compliant.
Preset Position: Delivered with the moving contact set at 50% 15% of the total rotation angle.

Technical Specifications

Specification	Details
Model Number	VG039NCHXT
Scope	3 mm Chip trimmer potentiometer with Metal-Glaze-Resistor for electronic equipment.
Operating Temperature Range	-40 +100
Storage Temperature Range	-10 +40
Nominal Total Resistance Range	100 1 M
Total Resistance Tolerance	25 %
Power Rating	0.15 W (at +70 )
Maximum Operating Voltage	50 V
Total Mechanical Rotation	270 20
Rotational Torque	0.98 mNm 11.76 mNm
End Stop Strength	Withstands 14.7 mNm torsion moment for 5 seconds without looseness or poor contact.
Push Load Strength	Withstands 9.8 N axial push load for 30 seconds without looseness, poor contact, or board breaking.
Resistance Law (Taper)	40 %60 % (Linear taper) at the middle of total rotational angle.
Ineffective Rotation	10 % or less of total mechanical rotation at each end.
Residual Resistance	2 % or less of total nominal resistance (for total nominal resistance > 1 k); 20 or less (for total nominal resistance 1 k).
Contact Resistance	5 % or less of nominal total resistance.
Temperature Coefficient (T.C.R.)	Within 250 ppm/
Vibration Resistance	Within 5 % resistance change; without instant open. (10 Hz to 55 Hz and return, 1.5 mm amplitude, 2 h per direction)
Resistance to Soldering Heat	Within 2 % of initial resistance. (Reflow: Peak 260 for 10s; Soldering iron: 400 10 for 3s)
High Temperature Storage	Within 5 % total resistance change. (70 2 for 1000 h12 h)
Load Life	Within 5 % total resistance change. (70 2 with rated voltage for 1000 h12 h)
Temperature Cycle	Within 2 % total resistance change. (5 cycles of -40 to 100 )
Humidity Resistance	Within 5 % total resistance change. (40 2 , 90%-95% RH for 1000 h12 h)
Humidity Load Life	Within 5 % total resistance change. (40 2 , 90%-95% RH with rated voltage for 1000 h12 h)
Rotational Life	Within 10 % total resistance change. (20 cycles 2 cycles at 10 min)
Taping Quantity	2500 pcs/reel
Taping Peeling Strength	0.1 N0.7 N