ETC 5150500309

MEGGITT CITEC
POTENTIOMETERS
INDUCTORS,
SURFACE MOUNT DEVICES
SWITCHES, NETWORKS
ENCODERS, SENSORS
Spindle Operated Potentiometers
TYPE 51 SERIES
The Type 51 Series from Meggitt Citec 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 avaliable to
meet your every requirements.
MEGGITT CITEC
KEY FEATURES
CHOICE OF SHAFTS AND EDGEWHEELS
SPST SWITCH STYLE
AVALIABLE IN DISTRIBUTION
AUTOMATIC MACHINE INSERTABLE MODULES
EYELET OR PC TERMINATIONS
LINEAR AND NON LINEAR LAWS
MULTI GANG VERSIONS AVAILABLE
MEGGITT
ELECTRONIC
COMPONENTS
SALES ACTION DESK
TEL: (01793 611666)
FAX: (01793 611777)
EMAIL: sales@megelec.co.uk
WEB SITE: www.megelec.co.uk
LOG No FO144
ISSUE 4
4 Pages
01-01
TYPE 51 SERIES
SPECIFICATION
(Page 2 of 4)
ELECTRICAL
Resistance Range:
Linear Law:
Log Law:
Tolerance:
Power Rating:
Linear Law:
Log Law:
Operating Voltage:
Linear Law:
Log Law:
Load Life:
Rotational Life:
CRV (Linear Law):
Isolation Voltage:
Insulation Resistance:
470 Ohm to 4.7 Megohm
2.2K Ohm to 470K Ohm
± 20% (tighter by selection)
0.2 Watt @ 40°C
0.1 Watt @ 40°C
350 VAC or 500 VDC maximum
P maximum x R nominal
R< 10% after 1000 hours @ 70°C
R< 10% @ 15,000 cycles
R< 1%
500 V dc
> 100 Megohm
DERATING CURVE
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
Dissipation ( % )
100
80
60
40
20
- 40
Linear Law 100% = 0.2 W
Non-Linear Law 100% = 0.1 W
0
40
70
100
13
Ambient Temperature ( °C )
MECHANICAL
Angle of Rotation:
Rotational Torque:
Stop Strength:
Rotational Life:
300° ± 2°
10 mNm maximum
400 mNm maximum
25,000 cycles
ENVIRONMENTAL
Storage Temperature:
Operating Temperature:
Humidity:
Temperature Coefficient:
Climatic Category:
- 40°C to 85°C
- 25°C to 70°C
< 15% R RH 75% @ 35°C
± 500 PPM/°C @ -25 to 70°C
25/070/10
SWITCH
Contact Resistance:
Rating:
Contact Configuration:
On/Off Torque:
Operational Angle:
Electrical Rotation:
< 20 milliohm initial
3.5 Amp @ 14.4 VDC
SPST Off @ CCW E
30 mNm maximum
30° maximum
50° to 295°
SOLDERING CONDITION
This product has been designed for flow solder only.
SOLDER BATH:
IMMERSION TIME:
TEST CONDITIONS:
TEST METHOD:
235°C +0°C/-5°C
2 ±0.5 seconds
IEC 391-1 clause 6.22.3
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.
TYPE 51 SERIES
SPECIFICATION (cont.)
TYPE 51 HORIZONTAL
SINGLE MODULE
TYPE 53 VERTICAL
13.55 ±
3.1
6.5
±0.3
0.2
0
0
3±
0.03
4.02
2.5 ± 0.1
9.3
b
(H) 10 or 12.5
0
0.05
10
2.75
±0.1
mounting surface
4 ± 0.2
0.4
1.15
12.75
c
0.5 ± 0.15
TYPE 54 NO SWITCH
POTENTIOMETER
H = 10mm or 12.5mm to choice
2.5
±0.1
0.5±0.15
1.7
9.6
TYPE 56 WITH SWITCH
L = 5mm or 8mm to choice
L ± 0.2
0
6 ± 0.05
M7 x 0.75
6.5 ± 0.2
H±0.2
6.5 ± 0.2
L ± 0.2
H±0.2
3.5 ±
6
6.5
a
0.4 ± 0.2
10mm
only
M7 x 0.75
3.75 ± 0.1
3.75 ± 0.1
9.1 ± 0.5
14.1 ± 0.5
6 ± 00.05
12.5
(Page 3 of 4)
30 ± 0.5
12.6 ± 0.3
TYPE 55 DUAL SECTION
TYPE 61 TRIPLE SECTION
L ± 0.2
L = 5mm or 8mm to choice
R2 R1
R1 R2 R3
H mm
M7 x 0.75
6 ±00.05
9.3 ± 0.2
6.5 ± 0.2
H = 10mm or 12.5mm to choice
POTENTIOMETER
19.1 ± 0.5
14.1±0.5
12.6 ± 0.3
* Type 61 has the same general dimensions as Type 55 *
SPINDLE OPTIONS
Potentiometers with Bush
L ± 0.5
L ± 0.5
L ± 0.15
6 ± 00.05
M7 x 0.75
4 ± 00.05
M7 x 0.75
8 ± 0.75 or 5mm ± 0.15
L = We can offer any length up to 30mm, ( 20mm x 4mm shafts) with or without flats or slots in metal. Plastic plug-in shafts shown overleaf.
PANEL HOLE DATA
Potentiometers with Bushes
for single and dual gang
potentiometers
required mounting holes in
chassis
with mounting bush
M7 X 0.75mm
7.5
2.1 min.
fix potentiometer with
mounting nut; supplied
max. torque for tightening
= 1 Nm; min. thickness of
mounting plate = 1mm
TYPE 51 SERIES
SPECIFICATION (cont.)
(Page 4 of 4)
HOW TO ORDER
Please specify : Type No. e.g. 51
Resistance Value e.g. 220k Ohms
Spindle detail e.g. 6mm diameter x 30mm long
Law e.g. Linear
Switch detail e.g. SPST
Accessories e.g. plug-in edgewheel & size
NOTE
The 51 Series is ordered by description due to the very wide multiples and configuration available. We will sample to your description
and if approved, our technical sales group will define a discrete part number to meet your requirements and for future ordering
SNAP- IN SHAFTS AND EDGEWHEELS - For Standalone Modules
3.5 +0.05
0
1.5 ± 0.1
0.5 ± 0.1
The diagram illustrates the snap-in part of a plastic
actuator which can be used to rotate the Series 51
Standalone module. Consult MEC Citec Sales
Action Desk for details on our full custom knob and
shaft capabilities. We will for example be pleased to
quote for moulding your shaft and knob as a single
snap-in component, subject to suitable volumes
bieng available.
O3.4
1.5+0.1
0
±0.1
O4.4+0.1
0
0
O 4 -0.03
O 4.5±0.03
2.5
+0.1
0
0
3 -0.03
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
30 mm long x 6 mm diameter
20 mm long x 6 mm diameter
10 mm long x 6 mm diameter
with knurl end and screwdriver slot colour black
with knurl end and screwdriver slot colour black
with knurl end and screwdriver slot colour black
with knurl end and screwdriver slot colour black
colour black.
Edgewheel for horizontal modules 25mm diameter
2.5 ± 0.1
10±0.2
2.5 ± 0.1
20±0.2
2.5 ± 0.1
O25
±0.1
O30.75
±0.1
5 +0.1
0
6 +0.1
0
30±0.2
2.5 ± 0.1
0.1
3 -0.03
2.4+0.1
0
1.5 +0.2
0
Thumbwheel Actuating Devices
60±0.2
Meggitt Electronic Components Ltd. Ohmic House, Westmead Industrial Estate, Swindon, Wilts. SN5 7US
Telephone:(01793)487301 (Admin.) (01793)611666 (Sales) Email: sales@megelec.co.uk Fax:(01793) 611777
This publication is issued to provide outline information only and (unless specifically agreed to the contrary by the Company in writing) is not to form part of any order
or be regarded as a representation relating to the products or service concerned. We reserve the right to alter without notice the specification, design, price or conditions
of supply of any product or service. Whilst Meggitt Electronic Components products are of the very highest quality and reliability, all electronic components can
occasionally be subject to failure. Where failure of a Meggitt Electronic Components product could result in life threatening consequences, then the circuit and application
must be discussed with the Company. Such areas might include ECG, respiratory. and other medical and nuclear applications and any non fail safe applications circuit.