RK203_15 Datasheet, PDF (1/5 Pages) ALPS ELECTRIC CO.,LTD. – Heavy rotation torque and good operational feel, available in potentiometer and encoder types

RK203
EC20A
20mm Size Metal Shaft Type
Heavy rotation torque and good operational feel,
available in potentiometer and encoder types
■ Typical Specifications
Items
Rating
Specifications
Potentiometer
Encoder
0.05W
1mA 5V DC
Total resistance tolerance
±20％
ーー
Maximum operating voltage
50V AC, 30V DC
ーー
Detent torque
40±20mN・m
Operating life
30,000 cycles
Operating temperature range
−40℃ to ＋85℃ −30℃ to ＋80℃
Products Line
Potentiometer
Number
of resistor
elements
Mounting
directio
Operating
section
Length of
operating
section（mm）
Number of
positions
Single- Vertical
unit
type
Flat
30
17
Rotational Total resistance Resistance
angle
（k Ω）
taper
220°
10
B
Minimum order unit（pcs.）
Japan Expert
400
800
Products No
RK203111000V
Drawing
No.
1
Encoder (Incremental Type）
Mounting
directio
Shaft
configuration
Length of
operating
section（mm）
Number of
detent
Vertical
type
Flat
30
18
Number of
pulse
18
Travel of push-on ^{Minimum order unit（pcs.）}
switch（mm） _{Japan Expert}
Products
No
Drawing
No.
—
EC20A1820401 2
400
800
1.5
EC20A1824401 3
Note
1. Only the encoder type can be supplied with a push-on switch.
2. Shaft design and other features are customizable.
Packing Specifications
Tray
Number of packages（pcs.）
1 case /Japan
1 case /export packing
400
800
Export package measurements
（mm）
374×508×272
Dimensions
No.
Photo
RK203
Without switch type
Potentiometer type
3.5
Mounting
surface
Style
8
30
10
12
ø20.2
PC board mounting hole dimensions
（Viewed from mounting side ）
18.4
1
M9Ê·0.75
C1
1.5
3.5
NC _{2 NC 1 NC} 3
ø3
213
1.5
3-ø1.2hole
15.5
NC
1.25
6.25
3.75
3-1
(17.8)
Refer to P.339 for for encoder switch specifications..
Refer to P.339 for attached parts.
Refer to P.349 for soldering conditions.
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