Variable resistor chip trimmer potentiometer HDK VG039NCHXTB504 with nominal total resistance indication

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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 a nominal total resistance range from 100 to 1 M with a total resistance tolerance of 25%. It operates within a wide temperature range and is suitable for applications requiring precise resistance adjustment.

Product Attributes

Brand: HOKURIKU ELECTRIC INDUSTRY CO., LTD.
Product Type: Variable Resistor / Trimmer Potentiometer
Series: 1, 2, 3, 5 series (refer to Application List)
Origin: CHINA
Resistor Type: Metal-Glaze Resistor
Construction: Chip trimmer potentiometer
Marking: Nominal total resistance indication (e.g., 1 k = 13, 10 k = 14)
Preset Position: 50% 15% of total rotation angle on delivery
Soldering Method: Reflow soldering recommended; not applicable to flow soldering.
Environmental Compliance: RoHS

Technical Specifications

Specification	Details
Model Number	VG039NCHXT
Operating Temperature Range	-40 to +100
Storage Temperature Range	-10 to +40
Nominal Total Resistance Range	100 to 1 M
Total Resistance Tolerance	25 %
Power Rating	0.15 W (at up to +70 )
Maximum Operating Voltage	50 V
Total Mechanical Rotation	270 20
Rotational Torque	0.98 mNm to 11.76 mNm
End Stop Strength	Withstands 14.7 mNm torsion moment for 5 seconds without distinct looseness or poor contact.
Push Load Strength	Withstands 9.8 N axial push load for 30 seconds without distinct looseness, poor contact, or board breaking.
Resistance Law (Taper)	40% to 60% output voltage ratio at middle of total rotational angle (Linear taper)
Ineffective Rotation	10% or less of total mechanical rotation at each end.
Residual Resistance (Total nominal resistance 1 k)	20 or less
Residual Resistance (Total nominal resistance > 1 k)	2% or less of total nominal resistance
Contact Resistance	5% or less of nominal total resistance
Temperature Coefficient (T.C.R.)	Within 250 ppm/
Vibration Resistance	Within 5% resistance change; no instant open during test (10 Hz to 55 Hz, 1.5 mm amplitude for 2h in 3 directions).
Resistance to Soldering Heat	Within 2% of initial resistance (Reflow: Peak 260 for 10s; Soldering iron: 40010 for 3s).
High Temperature Storage	Within 5% total resistance change after 1000h at 702.
Load Life	Within 5% total resistance change after 1000h at 702 with rated voltage.
Temperature Cycle	Within 2% total resistance change after 5 temperature cycles (-40 to 100).
Humidity Resistance	Within 5% total resistance change after 1000h at 402 / 90-95% RH.
Humidity Load Life	Within 5% total resistance change after 1000h at 402 / 90-95% RH with rated voltage.
Rotational Life	Within 10% total resistance change after 20,000 cycles (10 min rate).
Taping Quantity	2500 pcs/reel
Peeling Strength of Cover Tape	0.1 N to 0.7 N