Cermet Trimmers, 15 Turns

CT-20

Vishay

www.vishay.com

Document Number: 58000

2

Revision: 11-Nov-05

MECHANICAL SPECIFICATIONS

Mechanical Turn

15 turns

Operating Torque

35 mN·m

{357 gf·cm}

maximum

Mechanical Stop

Clutch action

Rotational Life

200 cycles

10

Ω ~ 200Ω

[

∆R/R ≤ ±

(0.5

Ω + 3 %)]

500

Ω ~ 5 MΩ

[

∆R/R ≤ ±

(0.5

Ω + 2 %)]

Terminal Strength

9 N {917 gf}

minimum

(Tensile strength)

Thrust To Rotor

10 N {1.02 kgf}

minimum

Solderability

235 °C, 2 s

ENVIRONMENTAL SPECIFICATIONS

∆R/R: Change in total resistance

S.S.: Setting stability

*Manufactured upon receipt of order basis.

CFCs, Halon, Carbon tetrachloride and designated bromic flame

retardant PBBOs and PBBs are not used in our products.

Thermal Shock

-65 ~ 125 °C

(0.5 h), 5 cycles

[

∆R/R ≤ 1 %]

[S.S.

≤ 1 %]

Humidity

-10 ~ 65 °C (Relative humidity

80 ~ 98 %), 10 cycles, 240 h

[

∆R/R ≤ 1 %]

Shock

981 m/s2, 6 ms

6 directions for 3 times each

[

∆R/R ≤ 1 %]

[S.S.

≤ 1 %]

Vibration

Amplitude 1.52 mm or

10 ~ 2000Hz, 3 directions, 12

times each

Load Life

70 °C, 0.5 W, 1000 h

[

∆R/R ≤ 2 %]

[S.S.

≤ 1 %]

Low Temperature Operation

-55 °C, 2 h

[

∆R/R ≤ 1 %]

[S.S.

≤ 2 %]

High Temperature Exposure

120 °C, 250 h

[

∆R/R ≤ 2 %]

[S.S.

≤ 2 %]

Immersion Seal

85 °C, 60 s

No leaks (No

continuous

bubbles)

Soldering Heat

350 °C, 3 s

[

∆R/R ≤ 1 %]

STANDARD RESISTANCE TABLE

NOMINAL

RESISTANCE

VALUES (

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

1 k

2 k

5 k

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

1 M

2 M

5 M*

104

204

504

105

205

505

224

300

300

300

300

300

2.24

1.50

0.60

0.30

0.15

0.06

CONSTRUCTION

PART NAME

MATERIAL

FLAMMABILITY

1

Shaft

Brass, Nickel-plated

-

2

Housing

Polybutyleneterephthalate

UL-94V-0

3

Terminal pin

Copper, Solder-plated

-

4

Adhesive

Epoxy

UL-94V-0

5

Base element

Ceramic

-

6

Wiper

Multi metal alloy

7

Resistive element

8

Slider block

Polybutyleneterephthalate

UL-94HB

9

Rubber cushion

Silicone rubber

-

10 Electrode

Ag-Pd cermet

1

2

3

5

6

7

8

9

10

4

PACKAGING SPECIFICATIONS

Vinyl bag packaging specifications

• Unit of bulk in vinyl bag packaging is 50 pcs. (CT-20PB is 25 pcs.) per pack.

• Boxing of bulk in vinyl bags is performed with 100 pcs. (CT-20PB is 50 pcs.) per box.