Siemens FP312L100 Datasheet
Contactless Potentiometer FP 312 L 100
Dimensions in mm
Features Typical applications
•
• Devoid of friction and abrasion at
contact point
Angular encoder
•
Electric vehicles
• No electrical contact noise
• Insensitive to contamination, moisture
ingression, corrosion and vibration
• Low operating torque
• Long lifetime
Type Ordering Code
FP 312 L 100 Q65312-L100-U
This potentiometer comprises differential MR, driven by a magnet with no amplifier. At
the output, the resistance change can be used as a signal. On applying the operating
voltage a sinusoidal voltage results at the output, which is not temperaturecompensated. With the aid of external circuitry this signal can be amplified, temperaturecompensated and adapted for various applications.
Semiconductor Group 1 07.96
FP 312 L 100
Maximum ratings
Parameter Symbol Value Unit
Operating temperature
Supply voltage
Supply current
Electrical characteristics (
T
= 25 °C)
A
T
V
I
A
IN
IN
– 25 / + 70 °C
8V
30 mA
Linear angle of rotation Φ 75 deg.
Output signal for corresponding angle
V
OUT
approx. 40 % of V
of rotation
Total resistance R
Load resistance
Temperature error in range
tot
R
L
– non-compensated –
approx. 850 Ω
> 50 kΩ
– 25 °C…+ 70 °C
Linearity
F
L
≤ ± 2.5 % of V
Hysteresis – ≤ ± 1 % of V
Mechanical ratings
IN
OUT
OUT
Required torque M
Max. perm. compressive axial force
Max. perm. tensile axial force
Max. perm. radial force
Max. perm. speed
Cycles (life)
F
F
F
n
L
d
a compr.
a tens
r
0.2 typ. Ncm
10 N
3N
10 N
3000 min
8
10
-1
–
Semiconductor Group 2
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