CT94EW103 Datasheet, PDF (2/4 Pages) Copal Electronics – 18 TURNS CERMET TRIMMERS

CT-94
CERMET TRIMMERS
˙
LIST OF PART NUMBERS
Adjustment Shape of terminal
position
(Top view)
Form of packaging
Plastic bag
Top adjustment
3
1
2
2
3
1
CT-94EW
CT-94EY
Pieces in
package
3
1
2
Side adjustment
( ˢ Adjustment
direction)
1
3
2
3
1
2
CT-94EX
CP-94EP
CT-94EZ
50 pcs./pack
˙ ELECTRICAL CHARACTERISTICS
Nominal resistance range
Resistance tolerance
10 Ω ~ 2 MΩ
± 10 %
Power ratings
0.5 W (70 °C) 0 W (125 °C)
Resistance law
Ê¢#Ê£Linear law
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
End resistance
1 % or 2 Ω, whichever is greater
C.R.V.
1 % or 3 Ω, whichever is greater
Operating temp. range
Temp. coefficient
Insulation resistance
−55 ~ 125 °C
10 Ω, 20 Ω : ± 250 10^-6/°C maximum
50 Ω ~ 2 MΩ : ± 100 10^-6/°C maximum
1000 MΩ minimum (DC500 V)
Dielectric strength
Net weight
AC900 V, 60 s
Approx. 0.88 g (CT-94EP)
Approx. 0.92 g (CT-94EW, EX, EY, EZ)
ʪNominal resistance valuesʫ
A 10 Ω A 20 Ω
50 Ω 100 Ω 200 Ω
500 Ω 1 kΩ 2 kΩ 5 kΩ
10 kΩ 20 kΩ A 25 kΩ 50 kΩ 100 kΩ 200 kΩ A 250 kΩ 500 kΩ 1 MΩ 2 MΩ
Fig.1
˞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.
˙ MECHANICAL CHARACTERISTICS
Mechanical turn
18 turns
Operating torque
35 mN·m {357 gf·cm} maximum
Mechanical stop
Clutch action
Rotational life
Terminal strength
Thrust to shaft
200 cycles [϶R/R ʽ
± (2 Ω + 3 %)]
10 N {1.02 kgf} minimum
ʢTensile strengthʣ
10 N {1.02 kgf} minimum
Solderability
245 ± 3 °C, 2 ~ 3 s
{ }É¿Reference only
˙ ENVIRONMENTAL CHARACTERISTICS
Test item
Test conditions
Specifications
Thermal shock
− 65 ~ 125 °C (0.5 h),
5 cycles
Humidity
−10 ~ 65 °C (80 ~ 98 %),
10 cycles, 240 h
Shock
981 m/s², 6 ms
6 directions for 3 times each
Vibration
(Amplitude) 1.52 mm or
(Acceleration) 196 m/s²,
10 ~ 2000 Hz, 3 directions, 12 times each
Load life
70 °C, 0.5 W, 1000 h
Low temp. operation
− 55 °C, 2 h
High temp. exposure
125 °C, 250 h
[϶R/R ʽ 1 %]
[S.S. ʽ 1 %]
[϶R/R ʽ 2 %]
[϶R/R ʽ 1 %]
[S.S. ʽ 1 %]
[϶R/R ʽ 3 %]
[S.S. ʽ 1 %]
[϶R/R ʽ 2 %]
[S.S. ʽ 2 %]
[϶R/R ʽ 3 %]
[S.S. ʽ 2 %]
Immersion seal
85 °C, 60 s
No leaks (No continuous bubbles)
Soldering heat
Flow
260 ± 3 °C, 5 ~ 6 s, two times maximum
Manual soldering
380 ± 10 °C, 3 ~ 4 s
[϶R/R ʽ 1 %]
϶ R/RɿChange in total resistance
S.S. É¿Setting stability