SINGLE TURN CERMET TRIMMERS
RJ-4
INTERNAL STRUCTURE
1
!1
!0
2
RoHS compliant
3
4
5
Part name
9
6
7
Material
Polybutyleneterephthalate
UL94HB
Silicone rubber
Ag-Pd cermet
—
Ceramic
Polyphenylenesulphide
Copper alloy, Tin-plated
RuO
2
cermet
Epoxy
—
Multi metal alloy
Silicone rubber
Stainless steel
UL94V-0
8
Flammability
■
FEATURES
O
RoHS compliant
O
Compact with power rating of 0.5 W
O
Precious metal alloy wiper
1
2
3
4
5
6
7
8
9
!0
!1
Rotor
“O” ring
Electrode
Base element
Base
Terminal pin
Resistive element
Adhesive
Wiper
Rubber cushion
Cover
■
PART NUMBER DESIGNATION
R J - 4 E W S 2 k
Ω
( 2 0 2 )
Series name
Terminal pin
E：Sn (Lead-free)
Resistance code
Resistance value
Product shape
W
：
Top adjustment
WS
：
Side adjustment
※
Please refer to the LIST OF PART NUMBERS when placing orders.
RJ-4
CERMET TRIMMERS
■
LIST OF PART NUMBERS
Adjustment
position
Top adjustment
Side adjustment
〈
Nominal resistance values
〉
Pieces in
package
A
10
Ω
A
20
Ω
10 kΩ
20 kΩ
50
Ω
100
Ω
200
Ω
500
Ω
1 kΩ
2 kΩ
2 MΩ
5 kΩ
50 kΩ 100 kΩ 200 kΩ 500 kΩ 1 MΩ
Form of packaging
Plastic bag
RJ-4EW
Fig. 1
50 pcs./pack
RJ-4EWS
※
The above part numbers are all available with the respective combination of
<Nominal resistance values> (Fig. 1).
※Verify
the above part numbers when placing orders.
The products indicated by
A
mark are manufactured upon receipt of
order basis.
■
ELECTRICAL CHARACTERISTICS
Nominal resistance range
Resistance tolerance
Power ratings
Resistance law
Maximum input voltage
Maximum wiper current
Effective electrical angle
End resistance
C.R.V.
Operating temp. range
Temp. coefficient
Insulation resistance
Dielectric strength
Net weight
10
Ω
~ 2 MΩ
±
10 %
0.5 W (70 °C) 0 W (120 °C)
（B）
Linear law
■
MECHANICAL CHARACTERISTICS
Mechanical angle
Operating torque
Stop strength
Rotational life
Terminal strength
Thrust to rotor
230 ° (1 turn)
15 mN·m {153 gf·cm} maximum
45 mN·m {459 gf·cm} minimum
200 cycles
10
Ω
~ 200
Ω
[ΔR/R
≦
±
(0.5
Ω +3
%)]
500
Ω
~ 2 MΩ [ΔR/R
≦
±
(0.5
Ω +2
%)]
10 N {1.02 kgf} minimum
（Tensile
strength）
10 N {1.02 kgf} minimum
245
±
3 °C, 2 ~ 3 s
DC200 V or power rating, whichever is smaller
100 mA or power rating, whichever is smaller
200 ° (1 turn)
1 % or 2
Ω,
whichever is greater
1 % or 3
Ω,
whichever is greater
−55
~ 120 °C
10
Ω
~ 50
Ω
:
±
250 10
-6
/°C maximum
100
Ω
~ 2 MΩ :
±
100 10
-6
/°C maximum
1000 MΩ minimum (DC500 V)
AC500 V, 60 s
Approx. 0.26 g (RJ-4EW)
Approx. 0.35 g (RJ-4EWS)
Solderability
{ }
：
Reference only
■
ENVIRONMENTAL CHARACTERISTICS
Test item
Thermal shock
Humidity
Shock
Vibration
Load life
Low temp. operation
High temp. exposure
Immersion seal
Test conditions
−65
~ 125 °C (0.5 h),
5 cycles
−10
~ 65 °C (80 ~ 98 %),
10 cycles, 240 h
981 m/s
2
, 6 ms
6 directions for 3 times each
(Amplitude) 1.52 mm or
(Acceleration) 196 m/s
2
,
10 ~ 2000 Hz, 3 directions, 12 times each
Specifications
[ΔR/R
≦
1 %]
[S.S.
≦
1 %]
[ΔR/R
≦
1 %]
[ΔR/R
≦
1 %]
[S.S.
≦
1 %]
[ΔR/R
≦
3 %]
[S.S.
≦
1 %]
[ΔR/R
≦
2 %]
[S.S.
≦
2 %]
[ΔR/R
≦
3 %]
[S.S.
≦
2 %]
No leaks (No continuous bubbles)
70 °C, 0.5 W
1000 h
−
55 °C, 2 h
120 °C, 250 h
85 °C, 60 s
Flow
：
260
±
3 ° C、
~
6 s, two times
5
Manual soldering
：
380
±
10 °C, 3 ~ 4 s
Soldering heat
[ΔR/R
≦
1 %]
Δ
R/R：Change in total resistance
S.S.
：Setting
stability
RJ-4
CERMET TRIMMERS
■
MAXIMUM INPUT RATINGS
Nominal resistance values (Ω)
Resistance code
100
200
500
101
201
501
102
202
502
103
203
503
104
204
504
105
205
Maximum input voltage (V)
1.00
2.00
5.00
7.07
10.0
15.8
22.4
31.6
50.0
70.7
100
158
200
200
200
200
200
Maximum wiper current (mA)
A
A
10
20
50
100
200
500
1k
2k
5k
10 k
20 k
50 k
100 k
200 k
500 k
1M
2M
100
100
100
70.7
50.0
31.6
22.4
15.8
10.0
7.07
5.00
3.16
2.00
1.00
0.40
0.20
0.10
The products indi-
cated by
A
mark are
manufactured upon
receipt of order
basis.
■
OUTLINE DIMENSIONS
(Exclude clamp)
Unless otherwise specified, tolerance :
±
0.3 (Unit : mm)
1
3
CW rotation
O
RJ-4EW
Top adjustment
0.6 W
×
2.5 L
×
0.8 D
230˚Nom.
Lead-free Identification mark
2
0.80.2
3 –
φ
0.40.05
(2
.5
)
2
0.3
φ
4.9
+ 0
10.2
Resistance code & Production date code
0.4
4.5
3
3.5
1
6.51.5
O
RJ-4EWS
Side adjustment
Adjustment
0.6 W
×
2.5 L
×
0.8 D
Lead-free Identification mark
0.4
1.80.2
3.5
0.4
5
+0
1
4.1
6.6
0.80.2
3 min.
(2
2
.5
)
3
52
Resistance code & Production date code
3 –
φ
0.40.05
■
PACKAGING SPECIFICATIONS
<Bulk pack specifications>
O
Unit of bulk pack in a plastic bag is 50 pcs. per pack.
O
Boxing of bulk in a plastic bag is performed with 200
pcs. per box.
– 0.1
5.6
+ 0.4
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