Japan, Tokyo Ko-on Denpa
Tokyo Ko-on Denpa TYPE P2550 / P2560 Series Variable Potentiometer
Made in Japan
Manufacturer: Tokyo Ko-on Denpa Co., Ltd.
Model: TYPE P2550 / P2560
Features
Au-plated contact materials (Low contact resistance).
22 or 21positions (0dB – Cut off or Max.attenuation).
Used a highly precise resistor. 25mm square (Body) Rear terminal
Electrical Specifications
| Electrical specifications | TYPE P2550/P2560 Series | |||||||
|---|---|---|---|---|---|---|---|---|
| Products | *P2551*-* | *P2552*-* | *P25*3*-* | *P25*4*-* | *P25*5*-* | *P25*6*-* | *P25*7*-* | *P25*8*-* |
| Attenuation [Load: High] | BTS-50dB | 2dB x20 | 1dB x20 | 0.5dB x20 | ||||
| Circuit method | Potentiometer circuit | |||||||
| Total resistance (1-C) | 1kohm, 7kohm, 10kohm, 100kohm | |||||||
| Total resistance tolerance | ±3% | |||||||
| Attenuation accuracy [Load: High] | ±0.3dB | |||||||
| Max attenuation [Load: High] | 50dB ±0.6dB | 40dB ±0.6dB | 20dB ±0.6dB | 10dB ±0.6dB | ||||
| Cut off [15kHz] | 80dB Min. | – | 80dB Min. | – | 80dB Min. | – | 80dB Min. | – |
| Insertion loss | 0.3dB or less | |||||||
| Frequency range (DC to Max) | DC to 20kHz | |||||||
| Voltage proof | 1 Min. at AC500V | |||||||
| 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) | |||||||
| * BTS-50dB: 0, 2, 4, …(2dB step)… , 30, 32, 34, 37, 42, 50, Cut off |
| * [Load: high] The output side load should be used with high impedance (20 times or more than the total resistance value). |
Mechanical Specifications
| Mechanical specifications | TYPE P2550/P2560 Series | |
|---|---|---|
| Operating angle | With cut off: 315 degrees ±2 degrees | Without cut off: 300 degrees ±2 degrees |
| Step angle | 15 degrees | |
| Strength Nut-Attached | 50Ncm | |
| Attached parts | Hexagonal nut (M9) | |
| Stopper strength | 50Ncm | |
| Push-pull strength | 50N | |
General Specifications
| General specifications | TYPE P2550/P2560 Series |
|---|---|
| Temperature range | -10 to +70 degrees C (Operating), -15 to +75 degrees C (Storage) |
| Relative humidity | 90%RH (No condensation) |
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