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Rotary Potentiometers/EVJC/EVJY
12 mm Square Two-in-One Potentiometers
Type:
EVJC/EVJY
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Features
l Rectangular-shaped, automatic mounting type
l High tactile feedback (various types with bushing
available)
l Available for automatic dip soldering (Flux-proof
structure ensured by using the insert soldering
method)
l Highly reliable, dust-proof type
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Recommended Applications
l Audio Equipment
l Video Equipment
l Electronic Musical Instruments
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Explanation of Part Numbers
E
V
J
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Circuit Diagram and PWB Piercing Plan
Relation of
mounting holes
and terminals
Volume control without tap
With tap
Tone control
Notes:
1. 1=Resistor 1, 11=Resistor 2
2. Relation of mounting holes and terminals. Refer to each piercing plan for dimensions.
3. View from mounted part side.
Rotary Potentiometers/EVJC/EVJY
for Volume: EVJC25
for Tone : EVJC55 (without detent)
l Horizontal, with Sleeve ................................................................................................................. EVJC56 (with detent)
No. 3
Japan
for Volume: EVJY00
for Tone : EVJY80 (without detent)
l Vertical, without Bushing .............................................................................................................. EVJY81 (with detent)
No. 4
Japan
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Dimensions in mm (not to scale)
l Horizontal, without Bushing .......................................................................................................
No. 1
Japan
for Volume: EVJC20
for Tone : EVJC50(without detent)
l Horizontal, with Bushing .............................................................................................................. EVJC51 (with detent)
No. 2
Japan
: EVJC00
: EVJC30
EVJC31
(without detent)
(with detent)
for Volume
for Tone
Rotary Potentiometers/EVJC/EVJY
for Volume: EVJY10
for Tone : EVJY90 (without detent)
l Vertical, with Bushing ................................................................................................................... EVJY91 (with detent)
No. 5
Japan
for Volume: EVJY15
for Tone : EVJY95 (without detent)
l Vertical, with Sleeve ..................................................................................................................... EVJY96 (with detent)
No. 6
Japan
+
+
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Dimensions in mm (not to scale)
Rotary Potentiometers/EVJC/EVJY
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Shaft Trims and Dimensions in mm
Dimensions
Trim Position
Note: The drawing at full CCW position
Dimensions in mm
Style
Shaft
Bushing
L
m
1
Corner cut
m
2
15.0
4.5
C0.5
20.0
7.0
C1.0
25.0
12.0
C1.0
30.0
12.0
C1.0
15.0
4.5
C0.5
20.0
7.0
C1.0
25.0
12.0
C1.0
30.0
12.0
C1.0
12.5
7.0
C1.0
5.0
15.0
7.0
C1.0
5.0
17.5
12.0
C1.0
5.0
20.0
12.0
C1.0
5.0, 7.0
22.5
12.0
C1.0
5.0, 7.0
12.5
7.0
C1.0
5.0
15.0
7.0
C1.0
5.0
17.5
12.0
C1.0
5.0
20.0
12.0
C1.0
5.0, 7.0
22.5
12.0
C1.0
5.0, 7.0
without
Bushing
with
Bushing
Horizontal
Vertical
Horizontal
Vertical
Terminal side
Rotary Potentiometers/EVJC/EVJY
Nominal Total Resistance
5 k9 to 500 k9 (Tolerance 20 %)
Taper
A, B, C, D, G, BH
Power Rating
Voltage Rating
E=PR but E < 50 Vac
E=Voltage Rating (V)
P=Power Rating (W)
R=Nominal Total Resistance (9)
Residual Resistance
Maximum Attenuation
(for volume control, taper A, B, D)
Tracking
For volume control within
3 dB at 40 to 0 dB
For Tone control within
3 dB at midpoint
Insulation Resistance
100 M9 min. at 250 Vdc
Dielectric Withstanding Voltage
300 Vac for 1 minute
Noise Level
47 mV max.
Apply 20 Vdc (When Voltage Rating < 20 V, use the rated voltage.)
Rotate shaft at 30 r/min.
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Major Specifications
1. Mechanical Specifications
Applications
12 mm square Two-in-One
Rotation Angle
300 5
Rotation Torque
2 mNm to 20 mNm
Shaft Stopper Strength
0.5 Nm min.
Shaft Pull/Push Strength
80 N min
.
Shaft Inclination
0.35 mm max.
(Measured at the top of the shaft)
Bushing-Nut Tightening Torque
1 Nm max.
2. Electrical Specifications
0.05 W (0 C to 50 C)
For potentiometers operated in ambient
temperatures above 50 C, Rating
shall be derated in accordance with
the figure at right.
Nominal total resistance Max. Attenuation
Insertion loss
5 k9 < R < 10 k9
65 dB max.
10 k9 < R < 50 k9
72 dB max.
0.1 dB max.
50 k9 < R < 100 k9
82 dB max.
100 k9 < R
92 dB max.
3. Endurance
Rotation Life
15000 cycles min.
For general purpose (tone)
For volume control
A, B, D, G B, C, G
A, D
C
A, B, D A, B, D
C
C
1 to 2
2 to 3
2 to 3
1 to 2
1 to 2
2 to 3
1 to 2
2 to 3
5 k9 < R < 50 k9
25 9 max.
25 9 max.
15 9 max.
25 9 max.
20 9 max.
50 k9 < R < 250 k9
25 9 max.
50 9 max.
15 9 max.
50 9 max.
20 9 max.
250 k9 < R < 500 k9
100 9 max.
100 9 max.
50 9 max.
100 9 max.
50 9 max.
Type
Nominal
Total
Resistance
Taper &
Terminal
Note: No direct current should be applied.
4. Minimum Quantity/Packing Unit
Minimum Quantity/
Packing Unit
Quantity/Carton
EVJC/EVJY
EVJC/EVJY
80 pcs.
(Tray Pack)
60 pcs.
(Tray Pack)
800 pcs.
600 pcs.
L>20.0 mm
L<20.0 mm
L>20.0 mm
L<20.0 mm
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