SINGLE TURN CERMET TRIMMERS
RJ-4
INTERNAL STRUCTURE
1
!1
!0
2
RoHS compliant
3
4
5
Part name
9
6
7
Material
PBT
Polybutyleneterephthalate
Silicone rubber
Ag-Pd cermet
—
Ceramic
PBT
Polybutyleneterephthalate
Copper alloy, Tin-plated
RuO
2
cermet
Epoxy
—
Multi metal alloy
Silicone rubber
Stainless steel
UL-94V-0
8
Flammability
■
FEATURES
●
RoHS compliant
●
Compact with power rating of 0.5 W
●
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
UL-94HB
■
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.
Specifications are subject to change without notice.
COPAL ELECTRONICS
CERMET TRIMMERS
RJ-4
■
LIST OF PART NUMBERS
Adjustment
position
Top adjustment
Side adjustment
〈
Nominal resistance values
〉
Pieces in
package
A
10
Ω
A
20
Ω
50
Ω
10 kΩ
20 kΩ
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 products indicated by
A
mark are manufactured upon receipt of
order basis.
※
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.
■
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)
Linear law
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)
■
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
[
Δ
R/R
≦
±
(0.5
Ω +3
%)]
500
Ω
~ 2 MΩ [
Δ
R/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
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
[
Δ
R/R
≦
1 %]
[S.S.
≦
1 %]
[
Δ
R/R
≦
1 %]
[
Δ
R/R
≦
1 %]
[S.S.
≦
1 %]
[
Δ
R/R
≦
3 %]
[S.S.
≦
1 %]
[
Δ
R/R
≦
2 %]
[S.S.
≦
2 %]
[
Δ
R/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
：
5
260
±
3
°C、
~
6 s, two times
Manual soldering
：
380
±
10 °C, 3 ~ 4 s
Soldering heat
[
Δ
R/R
≦
1 %]
Δ
R/R：Change in total resistance
S.S.
：Setting
stability
■
Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
