Metal glaze resistor 3mm chip trimmer potentiometer HDK VGF39NCHXT-B503 designed for electronic circuit adjustments
HOKURIKU ELECTRIC INDUSTRY CO., LTD. - VGF39NCHXT HDK Type Variable Resistor
Product Overview
The VGF39NCHXT is a 3mm chip trimmer potentiometer featuring a Metal-Glaze Resistor, designed for general electronic equipment applications. It offers a wide operating temperature range and various resistance values, making it suitable for precise adjustments in electronic circuits. This product conforms to RoHS Directives and is manufactured in China.
Product Attributes
- Brand: HOKURIKU ELECTRIC INDUSTRY CO., LTD. (HDK)
- Type: VGF39NCHXT
- Origin: China
- Conformity: RoHS Directives
- Resistor Type: Metal-Glaze Resistor
Technical Specifications
| Specification | Details |
|---|---|
| Type | VGF39NCHXT |
| Nominal Total Resistance Range | 100 to 1 M |
| Total Resistance Tolerance | 25 % |
| Power Rating | 0.15 W (+70 ) |
| Maximum Operating Voltage | 50 V |
| Operating Temperature Range | -40 to +100 |
| Storage Temperature Range | -40 to +100 |
| Total Mechanical Rotation | 270 20 |
| Rotational Torque | 0.98 mNm to 11.76 mNm |
| Push Load (Axial) | 9.8 N for 30 seconds |
| End Stop Strength | 14.7 mNm for 5 seconds |
| Soldering Strength (Load) | 9.8 N (Fwd/Bwd/Left/Right), 4.9 N (Upward) for 30 seconds |
| Contact Resistance (Total Nominal Resistance 1 k) | 5 % of nominal total resistance |
| Contact Resistance (Total Nominal Resistance > 1 k) | 2 % of nominal total resistance |
| Residual Resistance (1-2 or 2-3 terminals) | 20 (for Total Nominal Resistance 1 k) |
| Residual Resistance (1-2 or 2-3 terminals) | 20 kmax (for Total Nominal Resistance > 1 k) |
| Ineffective Rotation | 10 % of total mechanical rotation (at each end) |
| Temperature Coefficient (T.C.R.) | 250 ppm/ |
| Resistance Law (Taper) | B characteristic (Linear taper) (40% to 60% at 50% angle) |
| Load Life (1000h at 70) | Change in total resistance: Within 5 % |
| Vibration Resistance (1.5mm amplitude, 2h per axis) | Change in resistance: Within 5 %; No distinct looseness or poor contact |
| High Temperature Storage (1000h at 70) | Change in total resistance: Within 2 %; No distinct looseness or poor contact |
| Rotational Life (20 cycles at 10 min) | Change in total resistance: Within 10 % |
| Humidity Load Life (1000h at 40/90-95% RH) | Change in total resistance: Within 5 % |
| Humidity (1000h at 40/90-95% RH) | Change in total resistance: Within 5 %; No distinct looseness or poor contact |
| Temperature Cycle Durability | Change in total resistance: Within 2 %; No distinct looseness or poor contact |
| Preset Position (Delivery) | 50% 15% of total rotation angle |
| Soldering Method | Reflow soldering recommended; Hand soldering possible |
| Taping Quantity | 2,500 pcs/reel (excluding fractions) |
Materials:
- Base Material: Ceramic (Alumina)
- Resistor: Metal Glaze Coating
- Electrode: AgPd
- Terminals (1st, 3rd, 2nd): Steel with Ni/Sn plating
- Moving Contact: Stainless Steel
- Sealing Resin: Acrylic
- Solder: Lead-free (Sn-3Ag-0.5Cu)
Marking: Uses a two-character system for resistance values, with specific alphabets for the E series.
Application Notes: Handle with care, avoid excessive force on the adjustment shaft, use adjustment driver perpendicularly, avoid flux and solder scattering during soldering, not washable, not recommended for high-risk applications without fail-safe design considerations.
Storage Conditions: Recommended at normal temperature (5-35) and humidity (45-85% RH). Shelf life is 6 months from delivery. Avoid direct sunlight and corrosive gas atmospheres.
Production Factory: DANDONG NEW LAND ELECTRONIC Co., Ltd., China.
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