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3mm Chip Trimmer Potentiometer HDK VGF39NCHXT B301 Electronic Component with Metal Glaze Resistor

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3mm Chip Trimmer Potentiometer HDK VGF39NCHXT B301 Electronic Component with Metal Glaze Resistor

Tolerance : ±25%

Temperature Coefficient : ±250ppm/℃

Power(Watts) : 150mW

Resistance : 300Ω

Description : 300Ω ±25% 150mW SMD Potentiometers, Variable Resistors

Mfr. Part # : VGF39NCHXT-B301

Model Number : VGF39NCHXT-B301

Package : SMD-3P,3.8x3.7mm

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HOKURIKU ELECTRIC INDUSTRY CO., LTD. - VGF39NCHXT HDK Type Variable Resistor

The VGF39NCHXT is a 3mm chip trimmer potentiometer featuring a Metal-Glaze Resistor, designed for general electronic equipment applications. This component offers a reliable and precise way to adjust resistance in various electronic circuits.

Product Attributes

Brand: HOKURIKU ELECTRIC INDUSTRY CO., LTD.
Type: HDK VGF39NCHXT
Origin: CHINA (DANDONG NEW LAND ELECTRONIC Co., Ltd.)
Certifications: RoHS Directives compliant, Halogen Free (HF)

Technical Specifications

Specification	Value
Model	VGF39NCHXT
Type	3mm Chip trimmer potentiometer with Metal-Glaze Resistor
Operating Temperature Range	-40 to +100
Storage Temperature Range	-40 to +100
Nominal Total Resistance Range	100 to 1 M
Total Resistance Tolerance	25 %
Power Rating	0.15 W (up to +70 )
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
End Stop Strength	14.7 mNm torsion moment for 5 seconds
Soldering Strength (Static Load)	9.8 N (left/right), 4.9 N (up) 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 resistance 1 k)
Ineffective Rotation	10 % of total mechanical rotation (at each end)
Temperature Coefficient (T.C.R.)	250 ppm/
Vibration Resistance (10 Hz - 55 Hz - 10 Hz)	Amplitude 1.5 mm, 2 hours per direction (X, Y, Z)
Load Life (1000 hours at 70)	Change in total resistance: 5 %
High Temperature Storage (1000 hours at 70)	Change in total resistance: 2 %
Rotational Life (20 cycles)	Change in total resistance: 10 %
Humidity Load Life (1000 hours at 40/90-95% RH)	Change in total resistance: 5 %
Humidity Resistance (1000 hours at 40/90-95% RH)	Change in total resistance: 5 %
Preset Position on 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

Application Notes

Recommended soldering conditions: Reflow soldering (peak temp. within 260, 10s max; 230+, 40s max). Hand soldering: Tip temp. 40010, 3s+1s/-0s.
Do not use flow soldering.
Handle with care to avoid damaging the sliding part.
Adjust resistance with a driver inserted perpendicularly to the sliding part.
Avoid flux and solder scattering on the resistor surface and sliding contact during soldering.
This product is not washable.
Do not use adhesives for fixing the slider.
Ensure proper insulation if wiring patterns are present beneath the product.
For applications requiring high reliability and safety, implement fail-safe designs (protective circuits, redundant circuits).
Recommended storage conditions: Normal temperature (5-35), normal humidity (45-85% RH). Storage period: 6 months from delivery. Avoid direct sunlight and corrosive gas atmospheres.

2411220546_HDK-VGF39NCHXT-B301_C22461623.pdf

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