Japan, Tokyo Ko-on Denpa
Tokyo Ko-on Denpa TYPE HR23S Series Variable Potentiometer

Manufacturer: Tokyo Ko-on Denpa Co., Ltd.
Model: TYPE HR23S
Product: Variable Potentiometer
Features Of TYPE HR23S
Au-plated contact materials (Low contact resistance).31positions (0dB – Cut off).
Used a highly precise resistor. 23.5mm square

Electrical Specifications
| Electrical specifications | TYPE HR23S Series | ||||
|---|---|---|---|---|---|
| Products | HR23S-*31R-*-* | ||||
| Attenuation [Load: High] | CCW (Large attenuation & cut off) – CW (Small attenuation)
| ||||
| Circuit method | Potentiometer circuit | ||||
| Total resistance (1-C) | 10kohm, 100kohm | ||||
| Total resistance tolerance | ±3% | ||||
| Attenuation accuracy [Load: High] | ±0.3dB | ||||
| Max attenuation [Load: High] | 50dB ±0.5dB | ||||
| Cut off [15kHz] | 80dB Min. | ||||
| Matching accuracy [Load: High] | 0.5dB or less (0dB to 50dB) | ||||
| Insertion loss | 0.3dB or less | ||||
| Frequency range (DC to Max) | DC to 20kHz | ||||
| Voltage proof | 1 Min. at AC100V | ||||
| Insulation resistance | 100Mohm or more at DC500V | ||||
| Input level | Max. 0.1W | ||||
| Rotational life | 30,000 Cycles Min. (18cycles/min, Insertion loss: 1dB or less) |
Mechanical Specifications
| Mechanical specifications | HR23S Series |
|---|---|
| Operating angle | 300 degrees ±2 degrees |
| Step angle | 10 degrees |
| Strength Nut-Attached | 50Ncm |
| Attached parts | M2.6 screw (Length: Panel thickness + 4mm) |
| Stopper strength | 50Ncm |
| Push-pull strength | 50N |
General Specifications
| General specifications | HR23S Series |
|---|---|
| Temperature range | -10 to +70 degrees C (Operating), -15 to +75 degrees C (Storage) |
| Relative humidity | 90%RH (No condensation) |











