Part name
1
2
3
4
5
6
7
8
9
!0
Wiper
Adhesive
Resistive element
Terminal pin
Rubber cushion
Shaft
Material
Flammability
Housing
Base element
Rotor gear
Electrode
※Please refer to the LIST OF PART NUMBERS when placing orders.
Silicone rubber
Epoxy
Multi metal alloy
Brass, Nickel-plated
Polybutyleneterephthalate
Ceramic
RuO2 cermet
Ag-Pd cermet
Polyamide
INTERNAL STRUCTURE
■
FEATURES
ORoHScompliant
OThinbodydesign(4.8mmthick)
O18turns,sealed,precisiontype
■
PART NUMBER DESIGNATION
C T - 9 4 E W 1 k Ω ( 1 0 2 )
Series name Resistance code
Resistance value
Product shape
W, Y
：
Top adjustment
X, P, Z
：
Side adjustment
UL94V-0
—
UL94HB
—
UL94V-0
—
18 TURNS CERMET TRIMMERS CT-94
2
3
4
5
6
8
9
!0
1
7
Terminal pin
E：Sn (Lead-free)
Copper, Tin-plated
RoHS compliant
Mechanical turn
CT-94
CERMET TRIMMERS
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
※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.
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 (125 °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 ~ 125 °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. 0.88 g (CT-94EP)
Approx. 0.92 g (CT-94EW, EX, EY, EZ)
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 %]
125 °C, 250 h [ΔR/R ≦ 3 %]
[S.S. ≦ 2 %]
85 °C, 60 s
No leaks (No continuous bubbles)
[ΔR/R ≦ 1 %]
1
3
1
3
1
1
3
3
2
2
2
1
3
2
2
Side adjustment
(↑Adjustment
direction)
Shape of terminal
(Top view)
Adjustment
position
Pieces in
package
Form of packaging
Plastic bag
■
LIST OF PART NUMBERS
CT-94EW
CT-94EY
CT-94EX
CP-94EP
CT-94EZ
50 pcs./pack
Top adjustment
Fig.1
A 10 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 A 25 k Ω 50 k Ω 100 k Ω 200 k Ω A 250 k Ω 500 k Ω 1 M Ω 2 M Ω
〈
Nominal resistance values
〉
{ }
：
Reference only
Flow
260 ± 3 °C, 5 ~ 6 s, two times maximum
Manual soldering
380 ± 10 °C, 3 ~ 4 s
CT-94
CERMET TRIMMERS
4.8
1.4
9.6
2.52.5
1.3
Resistace/Date code and Lead-free Identification mark
1.1 2.3
3
2
1
9.6
2.3, Slot 0.6 W = 0.8 D
3 – 0.5 ± 0.05
5 min.
q
q
OCT-94EW
Top adjustment
OCT-94EX
Side adjustment
The products indicated by A mark are manufactured upon receipt of order basis.
CW rotation
1
2
3
2.52.5
2.3
3
2
1
5 min.
2.3, Slot 0.6 W = 0.8 D
9.64.8
1.3 1.4
9.6
1.1
q
3 – 0.5 ± 0.05
q
Resistace/Date code and Lead-free Identification mark
■
OUTLINE DIMENSIONS Unless otherwise specified, tolerance: ± 0.3 (Unit: mm)
■
MAXIMUM INPUT RATINGS
Nominal resistance values ( Ω)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
A 25 k 253 112 4.48
50 k 503 158 3.16
100 k 104 224 2.24
200 k 204 300 1.50
A 250 k 254 300 1.20
500 k 504 300 0.60
1 M 105 300 0.30
2 M 205 300 0.15
2.52.5
7 ± 2
2.5 1
2
3
4.8
9.6
9.6
1.3
2.3, Slot 0.6 W = 0.8 D
1.4
1.1
q
3 – 0.5 ± 0.05
q
Resistace/Date code and Lead-free Identification mark
OCT-94EP
Side adjustment
7 ± 2 1.1 2.5
1
2
3
4.8
1.4
9.6
2.52.5
1.3 1.1
9.6
2.3, Slot 0.6 W = 0.8 D
3 – 0.5 ± 0.05
q
q
Resistace/Date code and Lead-free Identification mark
OCT-94EY
Top adjustment
2.52.5
Resistace/
Date code 7 ± 2
9.6
9.6
1.1 2.5
2
3
1
1.4
4.8
1.3
1.1
2.3, Slot 0.6 W = 0.8 D
q
3 – 0.5 ± 0.05
q
Lead-free Identification mark
OCT-94EZ
Side adjustment
<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-94
CERMET TRIMMERS