Potentiometer - Alpha, Audio, 3/8" Bushing

Potentiometer - Alpha, Audio, 3/8" Bushing

Alpha
Potentiometer - Alpha, Audio, 3/8" Bushing image 1
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In Stock

Standard fit for most vintage American made tube amps.

For similar pots with tighter 10% tolerances, see R-V38-10TOL-XA.

Part Numbers
ResistanceOur Part NumberUPC/EAN
1 kΩR-V38-1KA841358100512
10 kΩR-V38-10KA609722122634
25 kΩR-V38-25KA609722122672
100 kΩR-V38-100KA609722122610
250 kΩR-V38-250KA609722122658
500 kΩR-V38-500KA609722123273
1 MΩR-V38-1MA609722122641
Body Depth11.5 mm
Body Width24 mm
Bushing Length6.5 mm
Bushing Thread3/8"-32UNF
Hex Nut Thickness2.2 mm
Hex Nut Width12.6 mm
Insulation Resistance>100 MΩ at 500VDC
Life1 MΩ versionR-V38-1MA15,000 cycles
1 kΩ versionR-V38-1KA15,000 cycles
10 kΩ versionR-V38-10KA15,000 cycles
25 kΩ versionR-V38-25KA15,000 cycles
100 kΩ versionR-V38-100KA15,000 cycles
250 kΩ versionR-V38-250KA15,000 cycles
500 kΩ versionR-V38-500KA15,000 cycles
Manual Soldering Max Temp for 3 sec.1 MΩ versionR-V38-1MA350 °C
1 kΩ versionR-V38-1KA350 °C
10 kΩ versionR-V38-10KA350 °C
25 kΩ versionR-V38-25KA350 °C
100 kΩ versionR-V38-100KA300 °C
250 kΩ versionR-V38-250KA350 °C
500 kΩ versionR-V38-500KA350 °C
Max. Working Voltage250V
Max Rotational Stopper Strength1 MΩ versionR-V38-1MA6Kgf
1 kΩ versionR-V38-1KA6Kgf
10 kΩ versionR-V38-10KA6Kgf
25 kΩ versionR-V38-25KA6Kgf
100 kΩ versionR-V38-100KA6Kgf
250 kΩ versionR-V38-250KA6Kgf
500 kΩ versionR-V38-500KA6Kgf
Operating (Useable) Temperature-10 °C to +70 °C
Rated Wattage (Power)0.25W
Rotational Torque20-200 gf-cm
Shaft Diameter6.35 mm
Sliding Noise<47 mV
Tap Residual Resistance≤100 Ω
TaperAudio
Tolerance1 MΩ versionR-V38-1MA±30%
1 kΩ versionR-V38-1KA±20%
10 kΩ versionR-V38-10KA±20%
25 kΩ versionR-V38-25KA±20%
100 kΩ versionR-V38-100KA±20%
250 kΩ versionR-V38-250KA±20%
500 kΩ versionR-V38-500KA±20%
Total Rotational Angle300° ±5°
Total Shaft Length1 MΩ versionR-V38-1MA15 mm
1 kΩ versionR-V38-1KA15 mm
10 kΩ versionR-V38-10KA15 mm
25 kΩ versionR-V38-25KA15 mm
100 kΩ versionR-V38-100KA15 mm
250 kΩ versionR-V38-250KA15 mm
500 kΩ versionR-V38-500KA15 mm
Washer I.D.9.7 mm
Washer O.D.16 mm
Washer Thickness0.4 mm
Withstand Voltage500 VAC for 1 min.
Packaging Information
Packaging Dimensions1.3 in. × 0.973 in. × 1.048 in.
Weight (Packaging)0.0309 lbs.
R-V38-1KA - 1 kΩ versionBody Depth11.5 mm
Body Width24 mm
Bushing Length6.5 mm
Bushing Thread3/8"-32UNF
Hex Nut Thickness2.2 mm
Hex Nut Width12.6 mm
Insulation Resistance>100 MΩ at 500VDC
Life15,000 cycles
Manual Soldering Max Temp for 3 sec.350 °C
Max. Working Voltage250V
Max Rotational Stopper Strength6Kgf
Operating (Useable) Temperature-10 °C to +70 °C
Rated Wattage (Power)0.25W
Rotational Torque20-200 gf-cm
Shaft Diameter6.35 mm
Sliding Noise<47 mV
Tap Residual Resistance≤100 Ω
TaperAudio
Tolerance±20%
Total Rotational Angle300° ±5°
Total Shaft Length15 mm
Washer I.D.9.7 mm
Washer O.D.16 mm
Washer Thickness0.4 mm
Withstand Voltage500 VAC for 1 min.
R-V38-10KA - 10 kΩ versionBody Depth11.5 mm
Body Width24 mm
Bushing Length6.5 mm
Bushing Thread3/8"-32UNF
Hex Nut Thickness2.2 mm
Hex Nut Width12.6 mm
Insulation Resistance>100 MΩ at 500VDC
Life15,000 cycles
Manual Soldering Max Temp for 3 sec.350 °C
Max. Working Voltage250V
Max Rotational Stopper Strength6Kgf
Operating (Useable) Temperature-10 °C to +70 °C
Rated Wattage (Power)0.25W
Rotational Torque20-200 gf-cm
Shaft Diameter6.35 mm
Sliding Noise<47 mV
Tap Residual Resistance≤100 Ω
TaperAudio
Tolerance±20%
Total Rotational Angle300° ±5°
Total Shaft Length15 mm
Washer I.D.9.7 mm
Washer O.D.16 mm
Washer Thickness0.4 mm
Withstand Voltage500 VAC for 1 min.
R-V38-25KA - 25 kΩ versionBody Depth11.5 mm
Body Width24 mm
Bushing Length6.5 mm
Bushing Thread3/8"-32UNF
Hex Nut Thickness2.2 mm
Hex Nut Width12.6 mm
Insulation Resistance>100 MΩ at 500VDC
Life15,000 cycles
Manual Soldering Max Temp for 3 sec.350 °C
Max. Working Voltage250V
Max Rotational Stopper Strength6Kgf
Operating (Useable) Temperature-10 °C to +70 °C
Rated Wattage (Power)0.25W
Rotational Torque20-200 gf-cm
Shaft Diameter6.35 mm
Sliding Noise<47 mV
Tap Residual Resistance≤100 Ω
TaperAudio
Tolerance±20%
Total Rotational Angle300° ±5°
Total Shaft Length15 mm
Washer I.D.9.7 mm
Washer O.D.16 mm
Washer Thickness0.4 mm
Withstand Voltage500 VAC for 1 min.
R-V38-100KA - 100 kΩ versionBody Depth11.5 mm
Body Width24 mm
Bushing Length6.5 mm
Bushing Thread3/8"-32UNF
Hex Nut Thickness2.2 mm
Hex Nut Width12.6 mm
Insulation Resistance>100 MΩ at 500VDC
Life15,000 cycles
Manual Soldering Max Temp for 3 sec.300 °C
Max. Working Voltage250V
Max Rotational Stopper Strength6Kgf
Operating (Useable) Temperature-10 °C to +70 °C
Rated Wattage (Power)0.25W
Rotational Torque20-200 gf-cm
Shaft Diameter6.35 mm
Sliding Noise<47 mV
Tap Residual Resistance≤100 Ω
TaperAudio
Tolerance±20%
Total Rotational Angle300° ±5°
Total Shaft Length15 mm
Washer I.D.9.7 mm
Washer O.D.16 mm
Washer Thickness0.4 mm
Withstand Voltage500 VAC for 1 min.
R-V38-250KA - 250 kΩ versionBody Depth11.5 mm
Body Width24 mm
Bushing Length6.5 mm
Bushing Thread3/8"-32UNF
Hex Nut Thickness2.2 mm
Hex Nut Width12.6 mm
Insulation Resistance>100 MΩ at 500VDC
Life15,000 cycles
Manual Soldering Max Temp for 3 sec.350 °C
Max. Working Voltage250V
Max Rotational Stopper Strength6Kgf
Operating (Useable) Temperature-10 °C to +70 °C
Rated Wattage (Power)0.25W
Rotational Torque20-200 gf-cm
Shaft Diameter6.35 mm
Sliding Noise<47 mV
Tap Residual Resistance≤100 Ω
TaperAudio
Tolerance±20%
Total Rotational Angle300° ±5°
Total Shaft Length15 mm
Washer I.D.9.7 mm
Washer O.D.16 mm
Washer Thickness0.4 mm
Withstand Voltage500 VAC for 1 min.
R-V38-500KA - 500 kΩ versionBody Depth11.5 mm
Body Width24 mm
Bushing Length6.5 mm
Bushing Thread3/8"-32UNF
Hex Nut Thickness2.2 mm
Hex Nut Width12.6 mm
Insulation Resistance>100 MΩ at 500VDC
Life15,000 cycles
Manual Soldering Max Temp for 3 sec.350 °C
Max. Working Voltage250V
Max Rotational Stopper Strength6Kgf
Operating (Useable) Temperature-10 °C to +70 °C
Rated Wattage (Power)0.25W
Rotational Torque20-200 gf-cm
Shaft Diameter6.35 mm
Sliding Noise<47 mV
Tap Residual Resistance≤100 Ω
TaperAudio
Tolerance±20%
Total Rotational Angle300° ±5°
Total Shaft Length15 mm
Washer I.D.9.7 mm
Washer O.D.16 mm
Washer Thickness0.4 mm
Withstand Voltage500 VAC for 1 min.
R-V38-1MA - 1 MΩ versionBody Depth11.5 mm
Body Width24 mm
Bushing Length6.5 mm
Bushing Thread3/8"-32UNF
Hex Nut Thickness2.2 mm
Hex Nut Width12.6 mm
Insulation Resistance>100 MΩ at 500VDC
Life15,000 cycles
Manual Soldering Max Temp for 3 sec.350 °C
Max. Working Voltage250V
Max Rotational Stopper Strength6Kgf
Operating (Useable) Temperature-10 °C to +70 °C
Rated Wattage (Power)0.25W
Rotational Torque20-200 gf-cm
Shaft Diameter6.35 mm
Sliding Noise<47 mV
Tap Residual Resistance≤100 Ω
TaperAudio
Tolerance±30%
Total Rotational Angle300° ±5°
Total Shaft Length15 mm
Washer I.D.9.7 mm
Washer O.D.16 mm
Washer Thickness0.4 mm
Withstand Voltage500 VAC for 1 min.

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