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Specifications
Voltage Rating:
50V
Tolerance:
±25%
Temperature Coefficient:
±250ppm/℃
Power(Watts):
150mW
Resistance:
22kΩ
Mfr. Part #:
VGF39NCHXT-B223
Package:
SMD
Key Attributes
Model Number:
VGF39NCHXT-B223
Product Description
HOKURIKU ELECTRIC INDUSTRY CO., LTD. - VGF39NCHXT HDK Type Variable Resistor
Product Overview
The HOKURIKU ELECTRIC INDUSTRY CO., LTD. VGF39NCHXT is a 3mm chip trimmer potentiometer featuring a Metal-Glaze-Resistor, designed for general electronic equipment applications. It offers a nominal total resistance range from 100 to 1 M with a tolerance of 25%. The device is built to withstand a wide operating and storage temperature range of -40 to +100 and is suitable for various electronic assemblies requiring precise resistance adjustment.
Product Attributes
- Brand: HDK (HOKURIKU ELECTRIC INDUSTRY CO., LTD.)
- Type: VGF39NCHXT
- Resistor Type: Metal-Glaze-Resistor
- Origin: CHINA (Manufactured by DANDONG NEW LAND ELECTRONIC Co., Ltd.)
- Conformity: RoHS Directives
Technical Specifications
| Specification | Value |
|---|---|
| Nominal Total Resistance Range | 100 to 1 M |
| Total Resistance Tolerance | 25 % |
| Power Rating | 0.15 W (+70 ) |
| Operating Temperature Range | -40 to +100 |
| Storage Temperature Range | -40 to +100 |
| Maximum Operating Voltage | 50 V |
| Total Mechanical Rotation | 270 20 |
| Rotational Torque | 0.98 mNm to 11.76 mNm |
| Push Load (Axial) | 9.8 N for 30 seconds |
| Torsion Moment | 14.7 mNm for 5 seconds |
| Soldering Strength (Load) | 9.8 N (Lateral/Front/Back), 4.9 N (Upward) for 30 seconds |
| Contact Resistance ( 1 k) | 5 % of nominal total resistance |
| Contact Resistance (> 1 k) | 2 % of nominal total resistance |
| Residual Resistance ( 1 k) | 20 |
| Residual Resistance (> 1 k) | 20 max (for specific part numbers) |
| Ineffective Rotation | 10 % of total mechanical rotation (at each end) |
| Temperature Coefficient (T.C.R.) | 250 ppm/ |
| Load Life (1000h at 70) | Change in total resistance: 5 % |
| Vibration Resistance (1.5mm amplitude, 2h/axis) | Change in resistance: 5 %; No distinct looseness or poor contact |
| Resistance to Soldering Heat | No dissociation during test; Change in resistance (1-2): 5 % |
| High Temperature Storage (1000h at 70) | Change in total resistance: 2 %; No distinct looseness or poor contact |
| Rotational Life (20 cycles) | Change in total resistance: 10 % |
| Humidity Load Life (1000h at 40/90-95% RH) | Change in total resistance: 5 % |
| Humidity (1000h at 40/90-95% RH) | Change in total resistance: 5 %; No distinct looseness or poor contact |
| Temperature Cycle Durability | Change in total resistance: 2 %; No distinct looseness or poor contact |
| Preset Position (Delivery) | 50 %15 % of total rotation angle |
| Taping Quantity | 2,500 pcs/reel (excluding fractions) |
Materials
| Part Name | Base Material | Plating | Remarks |
|---|---|---|---|
| Board | Ceramic (Alumina) | - | - |
| Resistor | Metal Glaze Coating | - | - |
| Electrode | AgPd | - | - |
| 1st, 3rd Terminal | Steel | Under Plating: Ni (0.5-2 m), Surface Plating: Sn (2-4 m) | - |
| 2nd Terminal | Steel | Under Plating: Ni (0.5-2 m), Surface Plating: Sn (2-4 m) | - |
| Moving Contact | Stainless Steel | - | - |
| Sealing Resin | Acrylic | - | - |
| Terminal Joint | - | Solder (Sn-3Ag-0.5Cu) | Lead-free solder |
2411220546_HDK-VGF39NCHXT-B223_C22461621.pdf
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