Part name
1
2
3
4
5
6
7
8
9
!0 Shaft
Base element
Rotor gear
Electrode
Wiper
Resistive element
Terminal pin
Material
Flammability
Housing
Rubber cushion
Adhesive
※Please refer to the LIST OF PART NUMBERS when placing orders.
RuO2 cermet
Ceramic
Epoxy
Ag-Pd cermet
Multi metal alloy
Brass, Nickel-plated
Polyamide
Silicone rubber
Polybutyleneterephthalate
INTERNAL STRUCTURE
■
FEATURES
ORoHScompliant
OGeneralusetype
OFinesettingispossiblewith18turnsconfiguration
■
PART NUMBER DESIGNATION
C T - 9 E W 1 M Ω ( 1 0 5 )
Series name Resistance code
Resistance value
Product shape
W
：
Top adjustment X
：
Side adjustment
          P
：
Side adjustment
Terminal pin
E：Sn (Lead-free)
—
—
UL94HB
UL94V-0
UL94V-0
—
CT-9
18 TURNS CERMET TRIMMERS
2
3
4
5
6
8
9
!0
1
7
Copper, Tin-plated
RoHS compliant
CT-9
CERMET TRIMMERS
Mechanical turn
Operating torque
Mechanical stop
Rotational life
Thrust to shaft
Solderability
Terminal strength
Test item Test conditions Specifications
Thermal shock
Humidity
Shock
Vibration
Load life
Low temp. operation
High temp. exposure
Immersion seal
Soldering heat
Nominal resistance range
Resistance tolerance
Power ratings
Resistance law
Maximum input voltage
Maximum wiper current
Effective electrical turn
End resistance
C.R.V.
Operating temp. range
Temp. coefficient
Insulation resistance
Dielectric strength
Net weight
Adjustment
position
Pieces in
package
Shape of terminal
(Top view)
31
2
2
13
31
2
※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.
■
LIST OF PART NUMBERS
Side adjustment
(
↑
Adjustment
direction)
CT-9EW
CT-9EX
CT-9EP
50 pcs./pack
〈
Nominal resistance values
〉
A10 Ω A
20 Ω 50 Ω 100 Ω 200 Ω 500 Ω 1 k Ω 2 k Ω 5 k Ω
10 k Ω 20 k Ω 50 k Ω 100 k Ω 200 k Ω 500 k Ω 1 M Ω 2 M Ω
ΔR/R：Change in total resistance
S.S. ：Setting stability
■
ELECTRICAL CHARACTERISTICS
■
MECHANICAL CHARACTERISTICS
10 Ω ~ 2 M Ω
± 10 %
0.5 W (70 °C) 0 W (120 °C)
（B）
Linear law
DC300 V or power rating, whichever is smaller
100 mA or power rating, whichever is smaller
15 turns
1 % or 2 Ω, whichever is greater
1 % or 3 Ω, whichever is greater
−55 ~ 120 °C
10 Ω, 20 Ω : ± 250 10-6/°C maximum
50 Ω ~ 2 M Ω : ± 100 10-6/°C maximum
1000 M Ω minimum (DC500 V)
AC900 V, 60 s
Approx. 0.94 g (CT-9EP)
Approx. 0.95 g (CT-9EX, EW)
18 turns
35 mN·m {357 gf·cm} maximum
Clutch action
200 cycles [ ΔR/R ≦± (2 Ω +3 %)]
10 N {1.02 kgf} minimum
245 ± 3 °C, 2 ~ 3 s
10 N {1.02 kgf} minimum
（
Tensile strength
）
■
ENVIRONMENTAL CHARACTERISTICS
−65 ~ 125 °C (0.5 h),
5 cycles
[ΔR/R ≦ 1 %]
[S.S. ≦ 1 %]
−10 ~ 65 °C (80 ~ 98 %),
10 cycles, 240 h
[ΔR/R ≦ 2 %]
981 m/s2, 6 ms
6 directions for 3 times each [ΔR/R ≦ 1 %]
[S.S. ≦ 1 %]
(Amplitude) 1.52 mm or
(Acceleration) 196 m/s2,
10 ~ 2000 Hz, 3 directions, 12 times each
70 °C, 0.5 W, 1000 h [ΔR/R ≦ 3 %]
[S.S. ≦ 1 %]
−55 °C, 2 h [ΔR/R ≦ 2 %]
[S.S. ≦ 2 %]
120 °C, 250 h [ΔR/R ≦ 3 %]
[S.S. ≦ 2 %]
85 °C, 60 s
No leaks (No continuous bubbles)
[ΔR/R ≦ 1 %]
Fig.1
Top adjustment
{ }
：
Reference only
Form of packaging
Plastic pack
Flow
260 ± 3 °C, 5 ~ 6 s, two times maximum
Manual soldering
380 ± 10 °C, 3 ~ 4 s
1.5
3 – 0.5 ± 0.05
q
9.6
5.5+0.4
–0.1
1.4
1.1 9.6 5 min.
2.52.5
4.8
2.7
32
1
2.3, Slot 0.6 W = 0.8 D
q
Resistance code, Production date code and
Lead-free Identification mark
3 – 0.5 ± 0.05
q
9.6
5.5+0.4
–0.1 9.6 5 min.
2.52.5
4.8
2.7
32
1
1.5 1.4
1.1
Resistance code &
Production date code 2.3, Slot 0.6 W = 0.8 D
q
Lead-free Identification mark
CT-9
CERMET TRIMMERS
■
MAXIMUM INPUT RATINGS
Nominal resistance values (1)Resistance code Maximum input voltage (V) Maximum wiper current (mA)
A 10 100 1.00 100
A 20 200 2.00 100
50 500 5.00 100
100 101 7.07 70.7
200 201 10.0 50.0
500 501 15.8 31.6
1 k 102 22.4 22.4
2 k 202 31.6 15.8
5 k 502 50.0 10.0
10 k 103 70.7 7.07
20 k 203 100 5.00
50 k 503 158 3.16
100 k 104 224 2.24
200 k 204 300 1.50
500 k 504 300 0.60
1 M 105 300 0.30
2 M 205 300 0.15
OCT-9EW
Top adjustment
OCT-9EX
Side adjustment
The products indicated by A mark are manufactured upon receipt of order basis.
CW rotation
1
2
3
■
OUTLINE DIMENSIONS Unless otherwise specified, tolerance: ± 0.3 (Unit: mm)
1.5
9.6
5.5 +0.4
–0.1
1.4
1.1 4.8
9.6 7 ± 2
2.3, Slot 0.6 W = 0.8 D
q
3 – 0.5 ± 0.05
q
2.52.5
3
2
1
2.5
4.8
Resistance code, Production date code and Lead-free Identification mark
OCT-9EP
Side ajustment
<Bulk pack specifications>
OUnitofbulkinaplasticbagis50pcs.perpack.
O Boxingofbulkinaplasticbagisperformedwith100
pcs.perbox.
■
PACKAGING SPECIFICATIONS
CW rotation
1
2
3
■
OUTLINE DIMENSIONS Unless otherwise specified, tolerance: ± 0.3 (Unit: mm)
CT-9
CERMET TRIMMERS