Trimmpotentiometer CT-20｜NIDEC COMPONENTS EUROPE GmbH

Trimmpotentiometer CT-20

CT-20

CT-20

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15 TURNS CERMET TRIMMERS

RoHS compliant
General use type
Wide resistance range from 10 Ω to 5 M Ω

ELECTRICAL CHARACTERISTICS

Nominal resistance range	10 Ω ~ 5 MΩ
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	12 turns
End resistance	1 % or 2 Ω , whichever is greater
C.R.V.	1 % or 3 Ω , whichever is greater
Operating temp. range	−55 ~ 120 °C
Temp. coefficient	10 Ω, 20 Ω, 5 MΩ : ± 250 10-6/°C maximum 50 Ω ~ 2 MΩ : ± 100 10-6/°C maximum
Insulation resistance	1000 MΩ minimum (DC500 V)
Dielectric strength	AC600 V, 60 s
Net weight	Approx. 1.08 g (CT-20EP, EX) Approx. 3.7 g (CT-20EPB)

MECHANICAL CHARACTERISTICS

Mechanical turn	15 turns
Operating torque	35 mN·m {357 gf·cm} maximum
Mechanical stop	Clutch action
Rotational life	200 cycles 10 Ω ~ 200 Ω [ΔR/R ≦ ± (0.5 Ω +3 %)] 500 Ω ~ 5 MΩ [ΔR/R ≦ ± (0.5 Ω +2 %)]
Terminal strength	9 N {917 gf} minimum（Tensile strength)
Thrust to rotor	10 N {1.02 kgf} minimum
Solderability	245 ± 3 °C, 2 ~ 3 s

{ }：Reference only

ENVIRONMENTAL CHARACTERISTICS

Test item	Test conditions	Specifications
Shock	981 m/s2, 6 ms 6 directions for 3 times each	[ΔR/R ≦ 1 %] [S.S. ≦ 1 %]
Thermal shock	−65 ~ 125 °C(0.5 h), 5 cycles	[ΔR/R ≦ 1 %] [S.S. ≦ 1 %]
Humidity	−10 ~ 65 °C ( Relative humidity 80 ~ 98 %),10 cycles, 240 h	[ΔR/R ≦ 1 %]
Vibration	Amplitude 1.52 mm or Acceleration 196 m/s2, 10 ~ 2000 Hz, 3 directions, 12 times each	[ΔR/R ≦ 1 %] [S.S. ≦ 1 %]
Load life	70 °C, 0.5 W, 1000 h	[ΔR/R ≦ 2 %] [S.S. ≦ 1 %]
Low temp. operation	−55 °C, 2 h	[ΔR/R ≦ 1 %] [S.S. ≦ 2 %]
High temp. exposure	120 °C, 250 h	[ΔR/R ≦ 2 %] [S.S. ≦ 2 %]
Immersion seal	85 °C, 60 s	No leaks (No continuous bubbles)
Soldering heat	Flow soldering :260 ± 3 °C, 5 ~ 6 s, two times maximum Manual soldering : 380 ± 10 °C, 3 ~ 4 s	[ΔR/R ≦ 1 %]

Δ R/R：Change in total resistance S.S. ：Setting stability

MAXIMUM INPUT RATINGS

Nominal resistance values(Ω)	Resistance code	Maximum input voltage(V)	Maximum wiper current (mA)
10※	100	1.00	100
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
1k	102	22.4	22.4
2k	202	31.6	15.8
5k	502	50.0	10.0
10k	103	70.7	7.07
20k	203	100	5.00
50k	503	158	3.16
100k	104	200	2.00
200k	204	200	1.00
500k	504	200	0.40
1M	105	200	0.20
2M	205	200	0.10

The products indicated by ※ mark are manufactured upon receipt of order basis.

PART NUMBER DESIGNATION

CT-20	E	P	200kΩ	(204)
Series name	Terminal pin E：Sn (Lead-free)	Product shape P：Through hole(Side adjustment) P：Through hole(Side adjustment) PB：Through hole(Panel mount)	Resistance value	Resistance code

LIST OF PART NUMBERS

Nominal resistance values	10Ω※, 20Ω※,,50Ω, 100Ω, 200Ω, 500Ω, 1kΩ, 2kΩ, 5kΩ, 10kΩ, 20kΩ, 50kΩ, 100kΩ, 200kΩ, 500kΩ, 1MΩ, 2MΩ

※ The above part numbers are all available with the respective combination of <Nominal resistance values>
※ Verify the above part numbers when placing orders.

PART NUMBERS	Adjustment position	Form of packaging	Pieces in package	CAD
CT-20EP	Side adjustment	Plastic bag	50 pcs./pack	3D CAD（Any Model）
CT-20EX	Side adjustment	Plastic bag	50 pcs./pack	3D CAD（Any Model）
CT-20EPB	パネル実装	Plastic bag	25 pcs./pack	3D CAD（Any Model）