Spindle Operated Potentiometers
Type 51 Series
1773117 CIS BI 11/2011 Dimensions are in millimeters Dimensions are shown for For email, phone or live chat, go to: te.com/help
and inches unless otherwise reference purposes only.
specified. Values in brackets Specifications subject
are standard equivalents. to change.
Key Features
IChoice of Shafts and
Edgewheels
ISPST Switch Style
IAvailable in Distribution
IAutomatic Machine
Insertable Modules
IEyelet or PC
Terminations
ILinear and Non-Linear
Laws
IMulti Gang Versions
Available
The Type 51 Series from TE Connectivity offers a small, high quality potentiometer
system. You can choose a standalone module or a conventional bush potentiometer with
shaft. Advanced carbon polymer element technology potentiometers with or without
switches are available to meet your every requirements.
Characteristics - Electrical
Resistance Range Linear Law: 470 Ohm to 4.7 Megohm
Log Law: 2.2K Ohm to 470K Ohm
Resistance Values: 1.0, 2.2, 4.7 per decade
Tolerance: ± 20% (tighter by selection)
Power Rating Linear Law: 0.2 Watt @ 40°C
Log Law: 0.1 Watt @ 40°C
Operating Voltage Linear Law: 350 VAC or 500 VDC maximum
Log Law: P maximum x R nominal
Load Life: ΔR< 10% after 1000 hours @ 70°C
Rotational Life: ΔR< 10% @ 15,000 cycles
CRV (Linear Law): ΔR< 1%
Isolation Voltage: 500 V dc
Insulation Resistance: > 100 Megohm
Characteristics - Mechanical
Angle of Rotation: 300° ± 2°
Rotational Torque: 10 mNm maximum
Stop Strength: 400 mNm maximum
Rotational Life: 25,000 cycles
Characteristics - Environmental
Storage Temperature: - 40°C to 85°C
Operating Temperature: - 25°C to 70°C
Humidity: < 15% ΔR RH 75% @ 35°C
Temperature Coefficient: ± 500 PPM/°C @ -25 to 70°C
Climatic Category: 25/070/10
Derating Curve
Ambient Temperature (°C)
100
80
60
40
20
0
% Dissipation
Dissipation as a function of temperature.
Potentiometers covered by this specification are derated from 100%
rated dissipation at 40°C to zero dissipation at 100°C.
Linear Law 100% - 0.2W
Non-Linear Law 100% - 0.1W
-40 0 40 70
100
Snap-In Shafts and Edgewheels - For Standalone Modules
The diagram illustrates the snap-in part of a plastic actuator which can be used
to rotate the Series 51 Standalone module.
Accessory Options - For Standalone Modules
At the date of publication the following mould tools exist for plug in accessories:
Shafts 60 mm long x 6 mm diameter with knurl end and screwdriver slot colour black
Shafts 30 mm long x 6 mm diameter with knurl end and screwdriver slot colour black
Shafts 20 mm long x 6 mm diameter with knurl end and screwdriver slot colour black
Shafts 10 mm long x 6 mm diameter with knurl end and screwdriver slot colour black
Edgewheel for horizontal modules 25mm diameter colour black.
Soldering Condition
This product has been designed for flow solder only.
SOLDER BATH: 235°C +0°C/-5°C
IMMERSION TIME: 2 ±0.5 seconds
TEST CONDITIONS: IEC 391-1 clause 6.22.3
TEST METHOD: IEC 68-2
The Type 51 Series is designed for flow soldering only. If Hand Soldering is essential please take
extreme care when applying solder.
Do not overheat the terminal by prolonged exposure to heat otherwise intermittent operation
could result.
Characteristics - Switch
Load Life: 1000 Hours at 0.5 W
Contact Resistance: < 20 milliohm initial
Rating: 3.5 Amp @ 14.4 VDC
Contact Configuration: SPST Off @ CCW E
On/Off Torque: 30 mNm maximum
Operational Angle: 30° maximum
Electrical Rotation: 50° to 295°
Spindle Operated Potentiometers
Type 51 Series
1773117 CIS BI 11/2011 Dimensions are in millimeters Dimensions are shown for For email, phone or live chat, go to: te.com/help
and inches unless otherwise reference purposes only.
specified. Values in brackets Specifications subject
are standard equivalents. to change.
Dimensions - Potentiometer
Type 55 Dual Section Type 61 Triple Section
H - 10mm or 12.5mm to choice
H - 10mm or 12.5mm to choice B - 5mm or 8mm
Type 61 has the same general dimensions as Type 55
Type 54 No Switch Type 56 with Switch
Type 51 Horizontal
Dimensions - Single Module
Type 53 Vertical
Thumbwheel Actuating Devices
Spindle Operated Potentiometers
Type 51 Series
1773117 CIS BI 11/2011 Dimensions are in millimeters Dimensions are shown for For email, phone or live chat, go to: te.com/help
and inches unless otherwise reference purposes only.
specified. Values in brackets Specifications subject
are standard equivalents. to change.
Spindle Options - Potentiometers with Bush
Panel Hole Data - Potentiometers with Bushes
Required Mounting Holes in Chassis
For Single and Dual Gang Potentiometers with
Mounting Bush M7 x 0.75mm.
Fix Potentiometer with Mounting Nut Supplied.
Max. Torque for tightening - 1 Nm
Tickness of Mounting Plate - 1mm
51 102 A 4 20 PL
Common Part
The first two
digits are significant
figures of the resistance
value and the third one
denotes the number
of zeros following.
e.g. 4K7: 472
47K: 473
470K: 474
Value Resistance Law
51
53
54
55
56
61
A - Linear
B - Log
C - Inverse
Log
Shaft Diameter
20 - 20mm
30 - 30mm
Shaft Length Spindle Style
4 - 4mm
6 - 6 mm
PL - Plain
FL - Flatted
How to Order
Spindle Operated Potentiometers
Type 51 Series
TE Connectivity, TE connectivity (logo) and TE (logo) are trademarks.
Other logos, product and Company names mentioned herein may be trademarks of their respective owners.
While TE has made every reasonable effort to ensure the accuracy of the information in this datasheet, TE does not guarantee that it is error-free, nor does TE make any other
representation, warranty or guarantee that the information is accurate, correct, reliable or current. TE reserves the right to make any adjustments to the information contained herein
at any time without notice. TE expressly disclaims all implied warranties regarding the information contained herein, including, but not limited to, any implied warranties of merchantabili-
ty or fitness for a particular purpose. The dimensions in this datasheet are for reference purposes only and are subject to change without notice. Specifications are subject to change
without notice. Consult TE for the latest dimensions and design specifications.
B - 5mm or 8mm
