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Specifications
Tolerance:
±25%
Temperature Coefficient:
±250ppm/℃
Power(Watts):
150mW
Resistance:
3.3kΩ
Mfr. Part #:
VG039NCHXTB332
Package:
SMD
Key Attributes
Model Number:
VG039NCHXTB332
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 an ambient 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
- Series: 1, 2, 3, 5 series (Application List available)
- 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 Method: Recommended reflow soldering; not applicable to flow soldering.
- Certifications/Compliance: RoHS
Technical Specifications
| Specification | Details |
|---|---|
| Model Number | VG039NCHXT |
| Nominal Total Resistance Range | 100 1 M |
| Total Resistance Tolerance | 25 % |
| Power Rating | 0.15 W (at up to +70 ) |
| Maximum Operating Voltage | 50 V |
| Operating Temperature Range | -40 +100 |
| Storage Temperature Range | -10 +40 |
| 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 % at middle of total rotational angle (Linear taper) |
| Ineffective Rotation | 10 % or less of total mechanical rotation (at each end) |
| Residual Resistance ( 1 k) | 20 or less |
| Residual 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 2 h in 3 directions). |
| Resistance to Soldering Heat | Within 2 % of initial resistance (Reflow: Peak 260 for 10 s; Iron: 400 10 for 3 s). |
| High Temperature Storage | Within 5 % resistance change after 1000 h at 70 2 . |
| Load Life | Within 5 % resistance change after 1000 h at 70 2 with rated voltage. |
| Temperature Cycle | Within 2 % resistance change after 5 cycles (-40 to +100 ). |
| Humidity Resistance | Within 5 % resistance change after 1000 h at 40 2 , 90%-95% RH. |
| Humidity Load Life | Within 5 % resistance change after 1000 h at 40 2 , 90%-95% RH with rated voltage. |
| Rotational Life | Within 10 % resistance change after 20 cycles (travel from end to end and back 90%). |
| Taping Quantity | 2500 pcs./reel |
| Peeling Strength of Cover Tape | 0.1 N0.7 N |
2410121342_HDK-VG039NCHXTB332_C128554.pdf
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