COPAL ELECTRONICS
18 TURNS CERMET TRIMMERS
RoHS compatible
CT-9
INTERNAL STRUCTURE
3
!0
2 1
9
4
5
6
8
7
Part name
■ FEATURES
● Lead-free soldering, Cadmium-free
● General use type
● Fine setting is possible with 18 turns configuration
Material
Flammability
PBT
(Polybutyleneterephthalate)
UL-94V-0
1
Housing
2
Base element
3
Wiper
4
Resistive element
RuO2 cermet
5
Electrode
Ag-Pd cermet
6
Adhesive
Epoxy
7
Terminal pin
Ceramic
Multi metal alloy
—
UL-94V-0
Sn-Pb
Copper, Solder-plated
Sn
Copper, Tin-plated
—
8
Rotor gear
PA (Polyamide)
9
Rubber cushion
Silicone rubber
!0
Shaft
UL-94HB
—
Brass, Nickel-plated
CFCs, Halon, Carbon tetrachloride and designated bromic flame
retardant PBBOs and PBBs are not used in our products.
■ PART NUMBER DESIGNATION
C T - 9 □ W 1 M Ω ( 1 0 5 )
Series name
Resistance code
Terminal pin
Resistance value
Blank : Sn-Pb
E : Sn (Lead-free)
Product shape
W : Top adjustment
X : Side adjustment
P : Side adjustment
❈ Please refer to the LIST OF PART NUMBERS when placing orders.
■ Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
Oct,
2004
COPAL ELECTRONICS
CT-9
CERMET TRIMMERS
■ LIST OF PART NUMBERS
Adjustment
position
Shape of terminal
(Top view)
Form of packaging
Vinyl pack
A 10 Ω A 20 Ω
Pieces in
package
1
20 kΩ
50 Ω
100 Ω
200 Ω
500 Ω
1 kΩ
2 kΩ
50 kΩ
100 kΩ
200 kΩ
500 kΩ
1 MΩ
2 MΩ
5 kΩ
Sn-Pb
Sn (Lead-free)
CT-9W
CT-9EW
The products indicated by A mark are manufactured upon receipt of
order basis.
CT-9X
CT-9EX
❈ : The above part numbers are all available with the respective combination
of (Fig. 1).
❈ : Verify the above part numbers when placing orders.
CT-9P
CT-9EP
Fig.1
Top adjustment
3
10 kΩ
2
1
3
Side adjustment
(↑Adjustment
direction)
50 pcs./pack
2
3
1
■ MECHANICAL CHARACTERISTICS
2
■ ELECTRICAL CHARACTERISTICS
Nominal resistance range
10 Ω ~ 2 MΩ
Mechanical turn
18 turns
Operating torque
35 mN·m {357 gf·cm} maximum
Mechanical stop
Clutch action
200 cycles [∆ R/R ≦ ± (2 Ω + 3 %)]
Rotational life
Resistance tolerance
± 10 %
Power ratings
0.5 W (70 °C) 0 W (120 °C)
Resistance law
Linear law (B)
Maximum input voltage
DC300 V or power rating, whichever is smaller
Maximum wiper current
100 mA or power rating, whichever is smaller
Effective electrical turn
15 turns
Terminal strength
10 N {1.02 kgf} minimum
(Tensile strength)
Thrust to shaft
10 N {1.02 kgf} minimum
Sn-Pb : 235 °C, 2 s
Sn (Lead-free) : 245 ± 3 °C, 2 ~ 3 s
Solderability
{ } : Reference only
■ ENVIRONMENTAL CHARACTERISTICS
Test item
Test conditions
Specifications
− 65 ~ 125 °C (0.5 h),
5 cycles
[∆ R/R ≦ 1 %]
[S.S. ≦ 1 %]
−10 ~ 65 °C (Relative humidity 80 ~ 98 %),
10 cycles, 240 h
[∆ R/R ≦ 2 %]
End resistance
1 % or 2 Ω, whichever is greater
Thermal shock
C.R.V.
1 % or 3 Ω, whichever is greater
Humidity
2
Operating temp. range
Temp. coefficient
Insulation resistance
Dielectric strength
Net weight
Shock
981 m/s , 6 ms
6 directions for 3 times each
10 Ω, 20 Ω : ± 250 10-6/°C maximum
50 Ω ~ 2 MΩ : ± 100 10-6/°C maximum
Vibration
Amplitude 1.52 mm or
Acceleration 196 m/s2,
10 ~ 2000 Hz, 3 directions, 12 times each
1000 MΩ minimum (DC500 V)
Load life
70 °C, 0.5 W, 1000 h
− 55 ~ 120 °C
AC900 V, 60 s
Low temp. operation
− 55 °C, 2 h
Approx. 0.94 g (CT-9P, EP)
Approx. 0.95 g (CT-9X, W, EX, EW)
High temp. exposure
120 °C, 250 h
85 °C, 60 s
Immersion seal
[∆ R/R ≦ 1 %]
[S.S. ≦ 1 %]
[∆ R/R ≦ 3 %]
[S.S. ≦ 1 %]
[∆ R/R ≦ 2 %]
[S.S. ≦ 2 %]
[∆ R/R ≦ 3 %]
[S.S. ≦ 2 %]
No leaks (No continuous bubbles)
Sn-Pb
350 °C, 3 s
Sn
Soldering heat Flow soldering :
260 ± 3 °C, 5 ~ 6 s, two times maximum
Manual soldering :
380 ± 10 °C, 3 ~ 4 s
[∆ R/R ≦ 1 %]
∆ 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.
Oct,
2004
COPAL ELECTRONICS
CT-9
CERMET TRIMMERS
■ MAXIMUM INPUT RATINGS
Resistance code
Maximum input voltage (V)
Maximum wiper current (mA)
10
20
50
100
200
500
100
200
500
101
201
501
1.00
2.00
5.00
7.07
10.0
15.8
100
100
100
70.7
50.0
31.6
1k
2k
5k
10 k
20 k
50 k
102
202
502
103
203
503
22.4
31.6
50.0
70.7
100
158
22.4
15.8
10.0
7.07
5.00
3.16
100 k
200 k
500 k
1M
2M
104
204
504
105
205
224
300
300
300
300
2.24
1.50
0.60
0.30
0.15
Nominal resistance values (Ω)
A
A
The products indicated by A mark are manufactured upon receipt of order basis.
■ OUTLINE DIMENSIONS
● CT-9W, CT-9EW
Top adjustment
Unless otherwise specified, tolerance: ± 0.3 (Unit: mm)
φ 2.3, Slot 0.6 W × 0.8 D
3 – φ 0.5±0.05
1
3
2
3
CW rotation
2.5 2.5
9.6
1.4
1.1
1.5
9.6
5 min.
Resistance code, Production date code and
Lead-free Identification mark
–0.1
5.5 +0.4
4.8
2
2.7
1
● CT-9X, CT-9EX
Side adjustment
1.4
φ 2.3, Slot 0.6 W × 0.8 D
3 – φ 0.5±0.05
2
3
2.5 2.5
9.6
Lead-free Identification mark
5.5 +0.4
–0.1
9.6
5 min.
2.7
4.8
Resistance code &
Production date code
1.1
1.5
1
■ Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
Oct,
2004
COPAL ELECTRONICS
CT-9
CERMET TRIMMERS
■ OUTLINE DIMENSIONS
Unless otherwise specified, tolerance: ± 0.3 (Unit: mm)
● CT-9P, CT-9EP
Side ajustment
φ 2.3, Slot 0.6 W × 0.8 D
1
3 – φ 0.5±0.05
2
3
CW rotation
3
2.5
1.5
5.5 +0.4
–0.1
9.6
7±2
1.1
4.8
1.4
9.6
2.5 2.5
2
1
4.8
Resistance code, Production date code and Lead-free Identification mark
■ PACKAGING SPECIFICATIONS
● Unit of bulk in vinyl bag packaging is 50 pcs. per pack.
● Boxing of bulk in vinyl bags is performed with 100 pcs. per box.
■ Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
Oct,
2004
