CT20EX203 Copal Electronics Inc, CT20EX203 Datasheet - Page 2

• Manufacturer Part Number: CT20EX203
• Description: POT 20K OHM RECT CERMET SIDE
• Manufacturer: Copal Electronics Inc
• Series: CT20r

Specifications of CT20EX203

• Resistance (ohms): 20K
• Power (watts): 0.5W, 1/2W
• Taper: Linear
• Tolerance: ±10%
• Temperature Coefficient: ±100ppm/°C
• Number Of Turns: 15
• Adjustment Type: Side Adjustment
• Mounting Type: Through Hole
• Resistive Material: Cermet
• Package / Case: Rectangular - 0.748" L x 0.197" W x 0.252" H (19.00mm x 5.00mm x 6.40mm)
• Resistance In Ohms: 20.0K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

■
■
■ Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
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
(↑Adjustment
adjustment
position
direction)
LIST OF PART NUMBERS
ELECTRICAL CHARACTERISTICS
Side
Shape of terminal
3
(Top view)
3
3
2
2
2
DC300 V or power rating, whichever is smaller
1
1
100 mA or power rating, whichever is smaller
10 , 20 , 5 M : 250 10
1
50
1 % or 2 , whichever is greater
1 % or 3 , whichever is greater
1000 M minimum (DC500 V)
Approx. 1.08 g (CT-20EP, EX)
0.5 W (70 °C) 0 W (120 °C)
Approx. 3.7 g (CT-20EPB)
~ 2 M : 100 10
Form of packaging
Plastic bag
CT-20EPB
CT-20EP
CT-20EX
AC600 V, 60 s
10
55 ~ 120 °C
Linear law
12 turns
10 %
~ 5 M
-6
/°C maximum
-6
/°C maximum
50 pcs./pack
25 pcs./pack
Pieces in
package
<Nominal resistance values>
Fig. 1
※ The above part numbers are all available with the respective combination of
※ Verify the above part numbers when placing orders.
The products indicated by A mark are manufactured upon receipt of
order basis.
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Mechanical turn
Operating torque
Mechanical stop
Rotational life
Terminal strength
Thrust to rotor
Solderability
Thermal shock
Humidity
Shock
Vibration
Load life
Low temp. operation
High temp. exposure
Immersion seal
Soldering heat
A 10
10 k
<Nominal resistance values> (Fig. 1).
Test item
MECHANICAL CHARACTERISTICS
ENVIRONMENTAL CHARACTERISTICS
A 20
20 k
10 ~ 2000 Hz, 3 directions, 12 times each
Flow soldering
260 3 °C, 5 ~ 6 s, two times maximum
Manual soldering
380 10 °C, 3 ~ 4 s
50 k
50
6 directions for 3 times each
65 ~ 125 °C (0.5 h), 5 cycles
70 °C, 0.5 W, 1000 h
Amplitude 1.52 mm or
10 ~ 65 °C (80 ~ 98 %),
Acceleration 196 m/s
COPAL ELECTRONICS
Test conditions
100 k
981 m/s
100
10 cycles, 240 h
120 °C, 250 h
85 °C, 60 s
55 °C, 2 h
10
500
CERMET TRIMMERS
2
200 k
200
, 6 ms
35 mN·m {357 gf·cm} maximum
~ 200
~ 5 M [ Δ R/R ≦ (0.5
Δ R/R：Change in total resistance
S.S. ：Setting stability
10 N {1.02 kgf} minimum
9 N {917 gf} minimum
（
2
500 k
,
245 3 °C, 2 ~ 3 s
500
Tensile strength
[ Δ R/R ≦ (0.5
Clutch action
200 cycles
15 turns
No leaks (No continuous bubbles)
1 M
1 k
{ }
[ Δ R/R ≦ 1 %]
[ Δ R/R ≦ 1 %]
[ Δ R/R ≦ 1 %]
[ Δ R/R ≦ 2 %]
[ Δ R/R ≦ 1 %]
[ Δ R/R ≦ 2 %]
[ Δ R/R ≦ 1 %]
Specifications
[S.S. ≦ 1 %]
[S.S. ≦ 1 %]
[S.S. ≦ 1 %]
[S.S. ≦ 2 %]
[S.S. ≦ 2 %]
CT-20
：
Reference only
2 M
2 k
）
3 %)]
2 %)]
A 5 M
5 k