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 various 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 indicated by significant figures and quantity of zeros (e.g., 1 k = 13).
- Preset Position: Moving contact set at 50% 15% of total rotation angle on delivery.
- Soldering: Suitable for reflow soldering; not applicable to flow soldering.
- Safety Note: Not intended for use in applications requiring advanced safety and reliability, such as those affecting human life, or in nuclear-related applications.
Technical Specifications
| Specification | Details |
|---|---|
| Model Number | VG039NCHXT |
| Nominal Total Resistance Range | 100 to 1 M |
| Total Resistance Tolerance | 25 % |
| Power Rating | 0.15 W (at up to +70 ) |
| Operating Temperature Range | -40 to +100 |
| Storage Temperature Range | -10 to +40 |
| Maximum Operating Voltage | 50 V |
| Rated Voltage Formula | E = PR (P: Power Rating, R: Nominal Total Resistance) |
| 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 the middle of total rotational angle (Linear taper). |
| 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% resistance change; no instant open during test (10 Hz to 55 Hz, 1.5 mm amplitude for 2 h in 3 directions). |
| Resistance to Soldering Heat | Within 2% of initial resistance. |
| High Temperature Storage | Within 5% change in total resistance (70 2 for 1000 h12 h). |
| Load Life | Within 5% change in total resistance (70 2 with DC rated voltage for 1000 h12 h). |
| Temperature Cycle | Within 2% change in total resistance (5 successive cycles). |
| Humidity Resistance | Within 5% change in total resistance (40 2 , 90%-95% RH for 1000 h12 h). |
| Humidity Load Life | Within 5% change in total resistance (40 2 , 90%-95% RH with DC rated voltage for 1000 h12 h). |
| Rotational Life | Within 10% change in total resistance (20 cycles2 cycles at 10 min). |
| Taping Quantity | 2500 pcs/reel |
| Taping Peeling Strength | 0.1 N to 0.7 N |
2410121342_HDK-VG039NCHXTB202_C128549.pdf
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