Vishay ECS Technical data

Series ECS

t

Vishay Sfernice

Precision Rotative Transducers,

Conductive Plastic, Economic Series (ECS)

FEATURES

• Size 09: (7/8") 22,2 mm

• Long life: 5 million cycles

• Bush or servo mounting types available

• Rear comolded terminals

• Cost effective solution for any industrial applications

Low cost industrial motion transducers, conductive plastic

rack.

SIZE 09
MODEL 78 RS 78 RB 78 PS 78 PB

ELECTRICAL SPECIFICATIONS

Theoretical Electrical Angle (TEA) (AEA) - 3°
Independent Linearity (over TEA)
Actual Electrical Angle (AEA) 340° ± 5°
Ohmic Values (R

Ohmic Value Tolerances at 20 °C

Output Smoothness 0.1 %
Maximum Power Rating at 70 °C 0.3 W
Wiper Current Recommended: a few µA - 1 mA max. (continuous)
Tap (Current or Voltage) 1: On request NA

Resistance Load on Wiper

End Voltage ≤ 0.5 %DC

Insulation Resistance

Dielectric Strength

) 1 - 2 - 5 - 10 kΩ (on request other values) 1 - 2 - 5 - 10 kΩ

T

A ≤ ± 1 %, on request: B ≤ ± 0.5 % C ≤ ± 0.35 %

Standard: ±

20 %/special: ± 10 % ± 20 %

≥ 1000 x R

≥ 1000 MΩ, 500 V

≥ 500 V

RMS

T

DC

, 50 Hz

RoHS

COMPLIANT

A ≤ ± 2 %

MECHANICAL SPECIFICATIONS

Mechanical Angle (MA) 360° continuous
On Request: Stops 342° ± 5°
Mounting Type Servo Bushing Servo
Shaft Guiding Sleeve bearings
Shaft Stainless steel
Option: Flat or Screw Driver Slot On Shaft On request NA
Termination Turrets
Wiper Precious metal multi-finger contact
Starting Torque (N.cm) ≤ 0.5
Torque on Stops (N.cm) ≥ 20
Weight (g) Bushing 17 g ± 3 g Servo 12 g ± 3 g

Bushing

PERFORMANCE

Life (106 Cycles) 5
Temperature Range - 55 °C to + 125 °C
Climatic Category 55/125/04
Speed Rotation (RPM) 150
Sine Vibration on 3 Axes 15 g from 10 Hz to 2000 Hz
Mechanical Shocks on 3 Axes 50 g - 11 ms - half sine

www.vishay.com For technical questions, contact: [e-mail] Document Number: 54008
28 Revision: 24-May-07

Series ECS

Precision Rotative Transducers,

Conductive Plastic, Economic Series (ECS)

DIMENSIONS in millimeters, general tolerance ± 0.5 mm

SIZE 09

78 PB
78 RB

7.92 ± 0.13

Ø 1.6 ± 0.1

× 1.6

Ø 22.2 ± 0.13

8

2.5 MAX.

Notes:

(1)

On request: Ø 10.3 mm or 12.3 mm

(2)

On request: without antirotation pin

Ø 9.52

(2)

± 0.1

8 ± 0.4

(1)

Ø 9.52 × 0.79

3

/8 - 32 NEF - 2A

7 MIN.

9.3 ± 0.25

22.2 ± 0.8

Ø 6.35

Ø 8 MAX.

+ 0.1

-

0.1

78 PS
78 RS

Ø 19.05

Ø 22.2 ± 0.13

Vishay Sfernice

SIZE 09

12.4 ± 0.4

2.5 max.

+ 0

-

0.05

12.7 ± 0.8

1.5 MIN.

Ø 19.8

MAX.

1.6

1.6

Ø 3.175

+ 0.1

-

0.1

+ 0.1

-

0.1

+ 0

-

0.013

REAR VIEW DIMENSIONS in millimeters, general tolerance 0.5 mm

SIZE 09

STANDARD
3 TURRETS

General Tolerance ± 0.5 mm

1

90°

2

INTERMEDIATE TAP ON REQUEST

90°

3

Ø 9.6

2

4

Ø 8.6

31

SPECIAL

(4 TURRETS)

3.7 MAX.

Ø 1.6

ORDERING INFORMATION/DESCRIPTION

ECS 78 P S M A T 103 e4

SERIES MODEL TYPE FIXATION

P

R

S: Servo On request A: ± 1% or ± 2 % On request 102: 1 kΩ Finish

B: Bushing M B: ± 0.5 % T: Voltage 202: 2 kΩ

MECHANICAL

STOPS

LINEARITY TAP OHMIC VALUE

C: ± 0.35 % U: Current 502: 5 kΩ

position to 103: 10 kΩ

be specified

LEAD

SAP PART NUMBERING GUIDELINES

ECS 78RB B 102

SERIES MODEL LINEARITY OHMIC VALUE

Document Number: 54008 For technical questions, contact: [e-mail]
Revision: 24-May-07 29

www.vishay.com

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Vishay

Disclaimer

All product specifications and data are subject to change without notice.

Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.

Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.

No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.

The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
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Document Number: 91000 www.vishay.com
Revision: 18-Jul-08 1