Model 78 SHE
www.vishay.com
Vishay Sfernice
Revision: 27-Mar-15
1
Document Number: 57105
For technical questions, contact: sferprecisionpot@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Single Turn Servo Mount Hall Effect
Sensor in Size 09 (22.2 mm)
FEATURES
• Accurate linearity down to: ± 0.5 %
• All electrical angles available up to: 360°
(no dead band)
• Very long life: Greater than 50M cycles
• Non contacting technology: Hall effect
• Model dedicated to high quality applications
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
QUICK REFERENCE DATA
Sensor type ROTATIONAL, single turn hall effect
Output type Wires
Market appliance Professional
Dimensions 7/8" (22.2 mm)
ELECTRICAL SPECIFICATIONS
PARAMETER STANDARD SPECIAL
Electrical angle 90°, 180°, 270°, 360° Any other angle upon request
Linearity ± 1 % ± 0.5 %
Supply voltage 5 V
DC
± 10 % Other upon request
Supply current 10 mA typ./16 mA max. 16 mA for PWM output
Output signal
Analog ratiometric 10 % to 90 % of V
supply
or
PWM 1 kHz, 10 % to 90 % duty cycle
Other upon request
Over voltage protection +20 V
DC
Reverse voltage protection -10 V
DC
Load resistance recommended Min. 1 k for analog output and PWM output
Hysteresis static 0.2° max.
MECHANICAL SPECIFICATIONS
PARAMETER
Mechanical travel 360° continuous, stops upon request
Bearing type 2 ball bearings
Standard IP 50; other on request
ORDERING INFORMATION/DESCRIPTION
78 SHE 1 A 1 W A 1S16 XXXX BO 1 e1
MODEL
NUMBER
OF CUPS
LINEARITY
ELECTRICAL
ANGLE
OUTPUT
TYPE
OUTPUT
SIGNAL
SHAFT
TYPE
SPECIAL
REQUEST
PACKAGING
LEAD
FINISH
1: 1 Cup
2: 2 Cups
3: 3 Cups
4: 4 Cups
A: ± 1 %
B: ± 0.5 %
1: 90°
2: 180°
3: 270°
4: 360°
9: Other
angles
T: Turrets
W: Wires
Z: Custom
A: Analog CW
B: Analog CCW
C: PWM CW
D: PWM CCW
Z: Other output
0: 6 mm
1: 6.35 mm
2: 3.175 mm
9: Special
P: Plain
S: Slotted
Z: Other type
Box of
1 piece
Shaft length from mounting face standard: 16 mm
SAP PART NUMBERING GUIDELINES
78 SHE 4 B 9 T C 2P22 XXXX
MODEL
NUMBER OF
CUPS
(Signals)
LINEARITY
ELECTRICAL
ANGLE
OUTPUT TYPE
OUTPUT
SIGNAL
SHAFT TYPE
SPECIAL
REQUEST
Model 78 SHE
www.vishay.com
Vishay Sfernice
Revision: 27-Mar-15
2
Document Number: 57105
For technical questions, contact: sferprecisionpot@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
V
OUT
ANALOG
Operating temperature 85 °C 125 °C
Diagnostic high level 96 % min. 96 % min.
Diagnostic low level 2 % max. 4 % max.
V
OUT
PWM
CW
V
out
(% V
supply
)
V
out
(% V
supply
)
Diag High Level
Diag High Level
90 %
90 %
10 %
Diag Low Level
10 %
Diag Low Level
0 Theta (Position) 0 Theta (Position)
Diagnostic Low Area
Diagnostic High Area
Diagnostic Low Area
Diagnostic High Area
CCW
CW
V
out
(% V
supply
)
97 % min.
1.5 % max.
0
T low
T: periodicity
T high
Duty Cycle =
T
high
T
Time (µs)