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. It operates within a temperature range of -40 to +100 and is suitable for applications requiring precise resistance adjustment.
Product Attributes
- Brand: HOKURIKU ELECTRIC INDUSTRY CO., LTD.
- Product Type: Variable Resistor (Trimmer Potentiometer)
- Resistor Technology: Metal-Glaze Resistor
- Origin: CHINA
- RoHS Compliant: Yes
Technical Specifications
| Specification | Details |
|---|---|
| Model Number | VG039NCHXT |
| Scope | 3 mm Chip trimmer potentiometer with Metal-Glaze Resistor, used in 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 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 %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 >1 k) or 20 or less (for 1 k). |
| Contact Resistance | 5 % or less of nominal total resistance. |
| Temperature Coefficient (T. C. R.) | Within 250 ppm/ |
| Vibration Resistance | Within 5 % change in resistance, 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 10 s; Soldering iron: 400 10 for 3 s) |
| High Temperature Storage | Within 5 % change in total resistance. (70 2 for 1000 h) |
| Load Life | Within 5 % change in total resistance. (70 2 with DC rated voltage for 1000 h) |
| Temperature Cycle | Within 2 % change in total resistance. (5 cycles of -40 to 100 ) |
| Humidity Resistance | Within 5 % change in total resistance. (40 2 , 90%-95% RH for 1000 h) |
| Humidity Load Life | Within 5 % change in total resistance. (40 2 , 90%-95% RH with DC rated voltage for 1000 h) |
| Rotational Life | Within 10 % change in total resistance. (20 cycles of end-to-end travel) |
| Preset Position | 50 %15 % of total rotation angle on delivery. |
| Taping Quantity | 2500 pcs./reel |
| Peeling Strength of Cover Tape | 0.1 N0.7 N |
2410121342_HDK-VG039NCHXTB501_C128556.pdf
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