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Features
■ Compact design, long life and high
reliability
■ Low cost compared to optical type
encoders
■ Available in a wide variety of congurations
to meet many user requirements
PEC12 - 12 mm Incremental Encoder
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
**Devices are tested using standard noise reduction lters. For optimum performance, designers should use noise reduction lters in their circuits.
Specications are subject to change without notice.
Customers should verify actual device performance in their specic applications.
How To Order
PEC12 - 4 0 20 F - S 0012
Model
Terminal Conguration
2 = PC Pin Vertical/Down Facing
4 = PC Horizontal/Rear Facing
Detent Option
0 = No Detents
1 = 12 Detents (available with 12 pulses only)
2 = 24 Detents (available with 24 pulses only)
Standard Shaft Length
17 = 17.5 mm
20 = 20.0 mm
25 = 25.0 mm
30 = 30.0 mm (available with switch option only)
Shaft Style
F = Insulated Flatted Shaft
Switch Conguration
S = Push Momentary Switch
N = No Switch
Resolution
0012 = 12 Pulses per 360 ° Rotation
0024 = 24 Pulses per 360 ° Rotation
Electrical Characteristics
Output ............................................................................................................................................................................................................ 2-bit gray code
Closed Circuit Resistance .......................................................................................................................................................................... 3 ohms maximum
Contact Rating ................................................................................................................................................................................................ 1 mA @ 5 VDC
Insulation Resistance ......................................................................................................................................................................10 megohms @ 250 VDC
Dielectric Withstanding Voltage
Sea Level ................................................................................................................................................................................................. 50 VAC minimum
Electrical Travel..................................................................................................................................................................................................... Continuous
Contact Bounce (15 RPM)........................................................................................................................................................................5.0 ms. maximum**
RPM (Operating)............................................................................................................................................................................................ 100 maximum**
Environmental Characteristics
Operating Temperature Range ...................................................................................................................................... -30 °C to +70 °C (-22 °F to +158 °F)
Storage Temperature Range ......................................................................................................................................... -40 °C to +85 °C (-40 °F to +185 °F)
Humidity ............................................................................................................................................................... MIL-STD-202, Method 103B, Condition B
Vibration .......................................................................................................................................................................................................................... 30 G
Contact Bounce............................................................................................................................................... 10~55~10 Hz / 1 min. / Amplitude 1.5 mm
Shock ............................................................................................................................................................................................................................ 100 G
Rotational Life ...................................................................................................................................................................................30,000 cycles minimum
Switch Life.........................................................................................................................................................................................20,000 cycles minimum
IP Rating ..........................................................................................................................................................................................................................IP 40
Mechanical Characteristics
Mechanical Angle .........................................................................................................................................................................................360 ° continuous
Running Torque .......................................................................................................................................................... 30.6 to 204 g-cm (0.42 to 2.83 oz.-in.)
Shaft Side Load (Static)............................................................................................................................................................... 2.04 kgf (4.5 lbs.) minimum
Weight .............................................................................................................................................................................................. 3 gm (0.1 oz.) maximum
Terminals ................................................................................................................................................................................ Printed circuit board terminals
Soldering Condition
Wave Soldering..................................................................................... Sn95.5/Ag2.8/Cu0.7 solder with no-clean ux: 260 °C max. for 3-5 seconds
Hand Soldering.................................................................................................................................................................................Not recommended
Hardware ............................................................................................................................................................................................. No hardware supplied
Switch Characteristics
Switch Type ................................................................................................................................................................... Contact Push ON Momentary SPST
Power Rating (Resistive Load) ..................................................................................................................................................................... 10 mA at 5 V DC
Switch Travel ............................................................................................................................................................................................... 0.5 +0.4/-0.3 mm
Switch Actuation Force ............................................................................................................................................... 360 +153/-102 gf (5 +2.1/-1.4 oz.-in.)
Quadrature Output Table
A Signal
CW
D
ON
OFF
B Signal
*RoHS
COMPLIANT