Non-Linear Wire-Wound Precision Potentiometer    

SCB50, FP50 

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Sine-Cosine & Other Functions

 

-  5 Million Turns Life

-  1% Conformity Tolerances (SCB50)

-  20 db log, x2, 1/x...etc. (FP50)

-  500 ohms to 20k ohms Resistance Values

SCB 50

FP 50

Model SCB50 features a standard sine-cosine function with 1% conformity tolerance. Model FP50 is available with the function samples shown below or a customer defined function curve. High precision machining and quality components provide high positioning accuracy and long life.

Electrical Specifications

SCB 50

FP 50

Resistance Values      (ohms)

500 ~ 20K

Resistance Tolerance (standard)

5%

Resistance Tolerance (best)

3%

Conformity Tolerance  (standard)

1%

5%

Conformity Tolerance     (best)

0.5%

1%

Electrical Angle +5, -0

360 up to 300

End Resistance

0.05%

Insulation Resistance

1000 Mohms at 1000 VDC

Dielectric Strength

1000 VAC, 1 minute

Noise

<100 ohms E.N.R.

Power @ +40C               (W)

2

Mechanical Specifications

Mechanical Angle

360 (continuous) as required

Torque                            (Ncm)

Starting: 0.8   Operating: 0.6

Stopper Strength              (Ncm)

- 90

Max. Axial Play of Shaft    (mm)

0.2

Max. Radial Play of Shaft  (mm)

0.05

Typical Life (# of turns)

5 million

Bearing

2 x precision ball bearings ball bearing and rear sleeve bearing

Environmental Specifications

Operating Temperature

-55C to +105C

Vibration

15 g / 10Hz to 2,000 Hz

Shock

50 g / 11ms 

IP Protection Grade

IP40 (IP54 optional)

Standards

 MIL-R-12934

Materials

Housing

Aluminum

Servo flange

Aluminum   (fixing clamps included, style SFN 1)

Shaft

Stainless steel

Terminals

Gold plated

Resolution Chart

Resistance
(ohms)
SCB 50
**Temp.
Coefficient
Resolution (%) V max across element (V) I max through element (mA)*
500 0.100 31 63 80
1k 0.071 44 44
2k 0.053 63 31
5k 0.067 100 20 20
10k 0.050 141 14
20k 0.040 200 10

* Maximum wiper current is 30mA.   **(...ppm/K)

Dimensions (mm)

P3 America, Inc. - 3089C Clairemont Dr. # 363 - San Diego, Ca. 92117

Phone: (858) 277-1420      Fax: (858) 225-0439    www.p3america.com

P3 America, Inc. 2004 - 2006. All Rights Reserved