Tokyo Ko-on Denpa TYPE P2550, P2560

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

Specifications

Electrical Specifications

Electrical specifications	TYPE P2550/P2560 Series
Products	P2551-*	P2552-*	P253-	P254-	P255-	P256-	P257-	P258-
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)

Japan, Tokyo Ko-on Denpa