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Rotary encoders REC16K / REC16L / REC16M

  • REC16M
    REC16M
  • REC16K
    REC16K
  • REC16L
    REC16L
  • REC16M
    REC16M
  • REC16K
    REC16K
  • REC16L
    REC16L

Contact Us

●To buy this product, please go to the following Online Web stores.
To the Rotary encoders“REC16K series”page on the DigiKey online shop
To the Rotary encoders“REC16K series” page on the Mouser online shop
To the Rotary encoders“ REC16K/REC16L/REC16M series” page on the RS components online shop
To the Rotary encoders“REC16K series” page on the Newark online shop

Outstanding operation feeling

 

FeaturesFeatures
  • 16mm square compact size
  • Excellent click & switch feelings
  • ALong life of 2 million cycles

PART NUMBER DESIGNATION

REC16K25-201

Series name

Push switch function and shaft

M:Single shaft without push switch
K:Single shaft with push switch
L:Double shaft with push switch

Resolution(P/R)

25

Output

2:“A” & “B”

 

Output interface

1:Voltage
5:Open collector

LIST OF PART NUMBERS

Part numberOutput interfaceShaftSwitch functionClickResolution
REC16M25-201 Voltage (PIN HEADER Type) Single Shaft Without SW With Click 25 (P/R)
REC16K25-201 Voltage(PIN HEADER Type) Single Shaft With SW With Click 25 (P/R)
REC16K25-205-B Open Collector (SCOKET Type) Single Shaft With SW With Click 25 (P/R)
REC16L25-205-B Open Collector(SCOKET Type) Double Shaft With SW With Click 25 (P/R)
The products indicated by ★mark are manufactured upon receipt of order basis.

Electrical characteristics

Input voltage DC5 ± 5 %
Input current 30 mA maximum
Output wave form Square wave
Output phases A, B
Resolution(P/R)  25
Phase difference of outputs A & B 100 μsec minimum
Refer to "OUTPUT"
Maximum frequency response 100 Hz
Output signal“1 (High)” + 4.5 V minimum
“0 (Low)” + 0.5 V maximum
Light source LED

OUTPUT

Click spot for 25P/R

The click spot is located somewhere outputs A & B are at Lo level.

Switch characteristics

Maximum contact rating DC15 V, 20 mA
Contact resistance 2 Ω maximum(Initial value)

Note) Manual setting only.

Mechanical characteristics

Click torque 7.35 mN·m ± 2.5 maximum(75 ± 25 gf·cm)
〈REC:With click〉
Click number 25
Shaft loading (Pull-push) 19.6 N maximum (2 kgf)
Switch operation force 2.45 ± 1.47 N (250 ± 150 gf)
Switch stroke 0.3 ± 0.2 mm
Rotational life (Mechanical) 2 million cycles
Switching life 1 million cycles
Shaft loading
(When mounting)
Radial 4.90 N maximum (500 gf)
Axial 2.94 N maximum (300 gf)
Net weight Approx. 12 g
Strength of tighten screw 1 N·m {10.2 kgf·cm} maximum

Environmental characteristics

Operating temp. range 0 ~ 50 °C
Storage temp. range – 20 ~ 80 °C
Protection grade IP40

RELIABILITY TEST

The output shall satisfy the criteria below after the following tests.

Test item

Test conditions
VibrationPower OFF Amplitude : 1.52 mm or 98.1 m/s2 (10 G) whichever is smaller.
10 ~ 500 Hz excursion 15 min/cycle, 8 cycles each for X, Z, directions.
ShockPower OFF 3 times each in directions (X, Z) at 490 m/s2 (50 G), 11 ms.
High temperature
exposure
Power OFF 80 °C 96 h (To be measured after leaving samples for 1 h at normal temperature and
humidity after the test.)

Power ON 50 °C 96 h
Low temperature
exposure
Power OFF − 20 °C 96 h
Power ON 0 °C 96 h
HumidityPower OFF 40 °C  Relative humidity 90 ~ 95 % 96 h
(To be measured after wiping out moisture and leaving samples for 1 h at normal temperature and humidity after the test.)
Thermal shockPower OFF To be done 10 cycles with the following condition
(To be measured after leaving samples for 1 h at normal temperature and humidity after the test.)
80 °C 0.5 h、− 20 °C 0.5 h

OUTLINE DIMENSIONS

Single shaft and PIN HEADER(REC16K25-201, REC16M25-201)

⦿PIN ASSIGNMENT
Pin No.Without switchWith switch
1 Power 0 (V) Power 0 (V)
2 NC For Switch
3 NC For Switch
4 Output “B” Output “B”
5 Output “A” Output “A”
6 Power +5V Power +5V
⦿OUTPUT CIRCUITRY AND RECEIVING CIRCUITRY

Single shaft and SOCKET(REC16K25-205-B)

Double shaft and SOCKET(REC16L25-205-B)

⦿PIN ASSIGNMENT
Pin No.Function
1 Power 0 (V)
2 For Switch
3 For Switch
4 Output “B”
5 Output “A”
6 Power +5V
⦿OUTPUT CIRCUITRY AND RECEIVING CIRCUITRY

Option(Snap-in Holder)

❖ Available mounting on PC board with Snap-in Holder as an optional item separately.
❖ With Snap-in Holder

 

KNOB FOR SETTING ENCODERS

※For REC16M25-201, REC16K25-201
The knobs are sold separately as an optional item. You can choose gray or black color.
The hexagon socket head screws are attached. (2 pieces)

●The above contents and descriptions are subject to change without notice. 

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