Datasheet > 3296X-LTC-253LF

3296X-LTC-253LF

更新时间： 2024-12-01 10:45:39

品牌	Logo	应用领域
伯恩斯 - BOURNS		/
页数	文件大小	规格书
1页	153K
描述
RESISTOR, TRIMMER, CERMET, 25 TURN(S), 0.5W, 25000ohm, 3/8 INCH, SQUARE, 3 PINS, ROHS COMPLIANT

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3296X-LTC-253LF 数据手册

Model 3296-LTC is obsolete and not

recommended for new designs.

Model 3296 is preferred.

Features

■ Low TCR

■ Multiturn / Cermet / Industrial / Sealed

■ 3 terminal styles

■ Chevron seal design

■ Mounting hardware available (H-117P)

■ RoHS compliant* version available

Applications

■ Rheostat applications with wiper currents

less than 25 microamps

■ Process control instrumentation

■ Power supplies

3296-LTC - 3/8 ” Square Trimpot^®Trimming Potentiometer

Electrical Characteristics

Product Dimensions

Standard Resistance Table

Common Dimensions

Standard Resistance Range

Resistance

(Ohms)

1,000

Resistance

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

(see standard resistance table)

Resistance Tolerance ...........±±1 ꢀ std.

(tighter tolerance available)

Code

102

202

502

103

203

253

6.ꢀ0 1.32

(.252 .052)

10.03

(.395)

2,000

ꢀ.83 .13

(.190 .005)

1.52

(.060)

1.27 0.1

(.050 .00ꢀ)

.38

5,000

MIN.

(.015)

10,000

20,000

25,000

Absolute Minimum Resistance

........................... ± ꢀ or 2 ohms max.

(whichever is greater)

9.53

(.375)

Contact Resistance Variation

........................ ±.1 ꢀ or 3 ohms max.

(whichever is greater)

Popular values listed in boldface. Special

resistances available.

2.5ꢀ

(.100)

2.5ꢀ

(.100)

1.27 0.1

(.050 .00ꢀ)

ADJ. SLOT

2.19

(.086)

.56

(.022)

.76

DIA.

Adjustability

Voltage .................................. ±1.1± ꢀ

Resistance ............................ ±1.15 ꢀ

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

Insulation Resistance ...............511 vdc.

±,111 megohms min.

.51 .03

(.020 .001)

How To Order

DIA.

WIDE

DEEP

3296 W - LTC - 103 LF

(.030)

Model

3296P

Style

8.26 .6ꢀ

(.325 .025)

Dielectric Strength

2.5ꢀ

(.100)

2.5ꢀ

(.100)

Product Indicator

Resistance Code

Terminations

Sea Level................................ 911 vac

71,111 Feet............................ 351 vac

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

LF =

±11 ꢀ Tin-plated (RoHS compliant)

2.5ꢀ

(.100)

Environmental Characteristics

5.23

(.206)

Blank = 91 ꢀ Tin ꢁ ±1 ꢀ Lead-plated

(Standard)

Power Rating (311 volts max.)

71 °C......................................1.5 watt

±25 °C.......................................1 watt

Temperature Range

...............................-55 °C to +±51 °C

Temperature Coefﬁcient

3296W

Consult factory for other available options.

2.ꢀ1

(.095)

2.5ꢀ

(.100)

2.5ꢀ

(.100)

End to End ...................... ±21 ppmꢁ°C

Through the Wiper .......... ±51 ppmꢁ°C

Seal Test......................85 °C Fluorinert†

Humidity .......MIL-STD-212 Method ±13

96 hours

3296X

2.5ꢀ

(.100)

(2 ꢀ ΔTR, ±1 Megohms IR)

Vibration ....... 21 G (± ꢀ ΔTR; ± ꢀ ΔVR)

Shock ......... ±11 G (± ꢀ ΔTR; ± ꢀ ΔVR)

Load Life

2.5ꢀ

(.100)

2.ꢀ1

(.095)

.............±,111 hours 1.5 watt @ 71 °C

(3 ꢀ ΔTR; 3 ꢀ or 3 ohms,

whichever is greater, CRV)

WIPER

Rotational Life .......................211 cycles

(4 ꢀ ΔTR; 3 ꢀ or 3 ohms,

whichever is greater, CRV)

CCW

CLOCKWISE

Physical Characteristics

Torque.............................3.1 oz-in. max.

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

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

Weight .......................................1.13 oz.

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

trademark, resistance code,

(INCHES)

DIMENSIONS:

0.25

TOLERANCES:

EXCEPT WHERE NOTED

(.010)

NOTE: TCR through the wiper applies when

41 ꢀ or more of the resistance element is in the

circuit.

wiring diagram, date code,

manufacturer’s model

number and style

Wiper .................................51 ꢀ ±±1 ꢀ

Flammability ..........................U.L. 94V-1

Standard Packaging.....51 pcs. per tube

Adjustment Tool..............................H-91

*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.

“Trimpot” is a registered trademark of Bourns, Inc.

†“Fluorinert” is a registered trademark of 3M Co.

Speciﬁcations are subject to change without notice.

REV. 11/09

Customers should verify actual device performance in their speciﬁc applications.

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