Type 51 Series
The Type 51 Series from Tyco
Electronics 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.
Key Features
â– Choice of Shafts and
Edgewheels
â– SPST Switch Style
â– Available in Distribution
â– Automatic Machine
Insertable Modules
â– Eyelet or PC
Terminations
â– Linear and Non-Linear
Laws
â– Multi Gang Versions
Available
Characteristics -
Electrical
Characteristics -
Mechanical
Angle of Rotation: 300° ± 2°
Rotational Torque: 10 mNm maximum
Stop Strength: 400 mNm maximum
Rotational Life: 25,000 cycles
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 -
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
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°
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.
Literature No. 1773117
Issued: 08-08
Dimensions are shown for
reference purposes only.
Dimensions are in
millimetres unless
otherwise specified.
Specifications subject to
change.
tycoelectronics.com
passives.tycoelectronics.com
Spindle Operated Potentiometers
Type 51 Series
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.
Thumbwheel Actuating Devices
Literature No. 1773117
Issued: 08-08
Dimensions are shown for
reference purposes only.
Dimensions are in
millimetres unless
otherwise specified.
Specifications subject to
change.
tycoelectronics.com
passives.tycoelectronics.com
Spindle Operated Potentiometers
Type 51 Series
Type 51 Horizontal
Dimensions
Single Module Type 53 Vertical
Type 54 No Switch Type 56 with Switch
Dimensions
Potentiometer
Type 55 Dual Section Type 61 Triple Section
Dimensions
Potentiometer
Spindle Options
Required Mounting Holes in Chassis
Panel Hole Data -
Potentiometers
with Bushes
Potentiometers with Bush
H - 10mm or 12.5mm to choice
H - 10mm or 12.5mm to choice L - 5mm or 8mm to choice
Type 61 has the same general dimensions as Type 55
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
Literature No. 1773117
Issued: 08-08
Dimensions are shown for
reference purposes only.
Dimensions are in
millimetres unless
otherwise specified.
Specifications subject to
change.
tycoelectronics.com
passives.tycoelectronics.com
Spindle Operated Potentiometers
Type 51 Series
51 102 A 4 20 PL
Common Part
The first two
digits are signifi-
cant 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
