RJ22FP201 datasheet(23/86 Pages) BOURNS

23 / 86 page

Specifications are subject to change without notice.

3296-LTC - 3/8” Square Trimming Potentiometer

Features

Low TCR

Multiturn / Cermet / Industrial / Sealed

3 terminal styles

Chevron seal design

Applications

Rheostat applications with wiper currents

less than 25 microamps

Process control instrumentation

Power supplies

Electrical Characteristics

Standard Resistance Range

.....................................2K to 25K ohms

(see standard resistance table)

Resistance Tolerance .............±10% std.

(tighter tolerance available)

Absolute Minimum Resistance

...............................1% or 2 ohms max.

(whichever is greater)

Contact Resistance Variation

............................1.0% or 3 ohms max.

(whichever is greater)

Adjustability

Voltage......................................±0.01%

Resistance ................................±0.05%

Resolution.....................................Infinite

Insulation Resistance ................500 vdc.

1,000 megohms min.

Dielectric Strength

Sea Level ..................................900 vac

70,000 Feet...............................350 vac

Effective Travel..................25 turns nom.

Environmental Characteristics

Power Rating (300 volts max.)

70°C .........................................0.5 watt

125°C ..........................................0 watt

Temperature Range

....................................-55°C to +150°C

Temperature Coefficient

End to End ..........................±20ppm/°C

Through the Wiper ..............±50ppm/°C

Seal Test ........................85°C Fluorinert*

Humidity........MIL-STD-202 Method 103

96 hours

(2%

∆TR, 10 Megohms IR)

Vibration............20G (1%

∆TR; 1% ∆VR)

Shock..............100G (1%

∆TR; 1% ∆VR)

Load Life

................1,000 hours 0.5 watt @ 70°C

(3%

∆TR; 3% or 3 ohms,

whichever is greater, CRV)

Rotational Life ........................200 cycles

(4%

∆TR; 3% or 3 ohms,

whichever is greater, CRV)

Physical Characteristics

Torque .............................3.0 oz-in. max.

Mechanical Stops..................Wiper idles

Terminals ........................Solderable pins

Weight ........................................0.03 oz.

Marking ...........................Manufacturer’s

trademark, resistance code,

wiring diagram, date code,

manufacturer’s model

number and style

Wiper ..........Positioned at 50% nominal

Flammability ..........................U.L. 94V-0

Standard Packaging .....50 pcs. per tube

Adjustment Tool ..............................H-90

3 CW

CLOCKWISE

CCW

2 WIPER

10.03

(.395)

1.52

(.060)

.38

(.015)

6.40

± 1.32

(.252

± .052)

.51

± .03

(.020

± .001)

1.12

(.044)

4.83

± .13

(.190

± .005)

9.53

(.375)

1.09

(.043)

Common Dimensions

3296P

5.23

(.206)

3296W

2.41

(.095)

3296X

2.54

(.100)

8.26

± .64

(.325

± .025)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.41

(.095)

MIN.

DIA.

ADJ. SLOT

2.29

(.090)

.56

(.022)

.76

(.030)

WIDE

DEEP

DIA.

How To Order

3296 W - LTC - 103

Model

Style

Product Indicator

Resistance Code

Consult factory for other available options.

Resistance

(Ohms)

Code

2,000

202

5,000

502

10,000

103

20,000

203

25,000

253

Standard Resistance Table

DIMENSIONS ARE:

METRIC

(INCHES)

TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED

*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.

Popular values listed in boldface. Special

resistances available.

NOTE: TCR through the wiper applies when 40% or more

of the resistance element is in the circuit.

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