3549H-1AH-202A datasheet, PDF - EEWORLD Datasheet

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3549H-1AH-202A: DescriptionPotentiometer, 2W, 2000ohm, 10% +/-Tol, -100,100ppm/Cel,; CategoryPassive components The resistor; File Size223KB，6 Pages; ManufacturerBourns; Websitehttp://www.bourns.com; Environmental Compliance

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3549H-1AH-202A Overview

Potentiometer, 2W, 2000ohm, 10% +/-Tol, -100,100ppm/Cel,

3549H-1AH-202A Parametric

Parameter Name	Attribute value
Maximum operating temperature	125 °C
Minimum operating temperature	-55 °C
Package diameter	22.479 mm
Package length	19.812 mm
Package form	Panel Mount
Rated power dissipation(P)	2 W
resistance	2000 Ω
Resistor type	POTENTIOMETER
Temperature Coefficient	100 ppm/°C
Tolerance	10%
Is it Rohs certified?	Yes
Objectid	1587780775
Reach Compliance Code	Not Compliant
Country Of Origin	Mexico
ECCN code	EAR99
Is Samacsys	N
structure	Round
Package shape	CYLINDRICAL PACKAGE
method of packing	Tray
rotation angle	3600 deg
Terminal surface	Gold (Au) - with Nickel (Ni) barrier
JESD-609 code	e4
Manufacturer's serial number	3549
series	3549

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Features

■

Wirewound and Hybritron

elements

■

High rotational life

■

Optional 0.1 % linearity

■

Optional A/R lug

■

RoHS compliant*

■

Suitable for use under some side load

■

Designed for HMI and MMI applications

■

Dual gang option

■

Servo mount option

■

Dual ball bearing option

conditions

3549 - 10-Turn Precision Potentiometer

Electrical Characteristics

Wirewound Element

Hybritron

Element

Standard Resistance Range..................................................................100 to 100K ohms ..................................................1K to 100K ohms

Total Resistance Tolerance....................................................................±3 % .......................................................................±10 %

Independent Linearity ............................................................................±0.2 % ....................................................................±0.2 %

Independent Linearity (Maximum Practical) ..........................................±0.1 % ....................................................................±0.1 %

Effective Electrical Angle .......................................................................3600 ° +10 °, -0 °....................................................3600 ° +10 °, -0 °

Absolute Minimum Resistance/End Voltage ..........................................1 ohm or 0.1 % maximum ......................................0.2 % maximum

(whichever is greater)

Noise/Output Smoothness ....................................................................100 ohms maximum ...............................................0.10 % maximum

Max. Wiper Current @ 5K ohms ...........................................................20 mA ..................................................................... 10 mA

Dielectric Withstanding Voltage (MIL-STD-202, Method 301)

Sea Level ...........................................................................................1,000 VAC minimum .............................................. 1,000 VAC minimum

Insulation Resistance (500 VDC) ..........................................................1,000 megohms minimum ...................................... 1,000 megohms minimum

Resolution..............................................................................................See How to Order chart ........................................ Essentially inﬁnite

Power Rating (Voltage Limited By Power Dissipation)

+70 °C................................................................................................2 watts .................................................................... 2 watts

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

Environmental Characteristics

Operating Temperature Range

Dynamic .............................................................................................-40 °C to +125 °C ................................................... -40 °C to +125 °C

Static ..................................................................................................-55 °C to +125 °C ................................................... -55 °C to +125 °C

Temperature Coefﬁcient (Over Static Temperature Range) ..................±50 ppm/°C ............................................................ ±100 ppm/°C

Temperature Cycling (5 Cycles Over Static Temperature Range) .........±2 % TR shift max. ................................................. ±4 % TR shift max.

Vibration (15 Gs, 10 Hz to 2 kHz)

Wiper Bounce ....................................................................................0.1 ms max............................................................. 0.1 ms max.

Shock (100 Gs, 6 ms sawtooth)

Wiper Bounce ....................................................................................0.1 ms max............................................................. 0.1 ms max.

Load Life (1,000 hours @ 70 °C)...........................................................±2 % TR shift .......................................................... ±5 % TR shift max.

Rotational Life

No Load or Powered ..........................................................................2,000,000 shaft revolutions .................................... 5,000,000 shaft revolutions

No Load or Powered (Dual Ball Bearing) ..........................................N/A ......................................................................... 10,000,000 shaft revolutions

Moisture Resistance (Mil-Std-202, Method 103) ...................................±2 % TR shift max. ................................................. ±5 % TR shift max.

IP Rating ................................................................................................IP 50 ....................................................................... IP 50

Mechanical Characteristics

Mechanical Angle ...........................................................................................................................................................................................3600 ° +10 °, -0 °

Backlash .................................................................................................................................................................................................................... 1.0 ° max.

Stop Strength.......................................................................................................................................................................................53 N-cm (75 oz-in.) min.

Torque

Starting ........................................................................................................................................................................................0.5 N-cm (0.7 oz.-in.) max.

Running .......................................................................................................................................................................................0.5 N-cm (0.7 oz.-in.) max.

Clutch................................................................................................................................................................................1.0 to 4.2 N-cm (1.5 to 6.0 oz.-in.)

Mounting .......................................................................................................................................................................... 170-200 N-cm (15-18 in.-lb.) max.

Shaft Runout T.I.R. ..................................................................................................................................................................................... 0.08 mm (0.003 in.)

Lateral Runout T.I.R.................................................................................................................................................................................... 0.13 mm (0.005 in.)

Shaft End Play T.I.R. .................................................................................................................................................................................. 0.15 mm (0.006 in.)

Shaft Radial Play T.I.R................................................................................................................................................................................ 0.08 mm (0.003 in.)

Pilot Diameter Runout T.I.R. ....................................................................................................................................................................... 0.08 mm (0.003 in.)

Weight

Single ...................................................................................................................................................................................................... 20 gm (0.7 oz.) typ.

Dual ....................................................................................................................................................................................................... 36 gm (1.27 oz) typ.

Shaft Side Load (Max. Allowable)

Nickel Plated Brass Shaft w/Brass Bushing ................................................................................................................................................. 50 gmf (1.7 ozf)

Stainless Steel Shaft w/Bronze Bushing .................................................................................................................................................... 250 gmf (8.8 ozf)

Terminals .............................................................................................................................................................................................. Gold-plated solder lugs

Soldering Condition

Manual Soldering ........................................................... 96.5Sn/3.0Ag/0.5Cu solid wire or no-clean rosin cored wire, 370 °C (700 °F) max. for 3 seconds

Wave Soldering ...................................................................................96.5Sn/3.0Ag/0.5Cu solder with no-clean ﬂux, 260 °C (500 °F) max. for 5 seconds

Wash processes .......................................................................................................................................................................................Not recommended

Mounting Hardware ............................................................................................. One lockwasher and one mounting nut is shipped with each potentiometer

Recommended Panel Thickness (Bushing Mount) ..................................................................................................................2.46-3.81 mm (0.097-0.150 in.)

Marking ...........................................................................................................................Manufacturer’s symbol, model number, product code and date code

Standard Packaging ........................................................................................................................................................................... Plastic trays (5 pcs./tray)

At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.

For other options, please consult factory.

WARNING

Cancer and Reproductive Harm

www.P65Warnings.ca.gov

*RoHS Directive 2015/863, Mar 31, 2015 and Annex.

Speciﬁcations are subject to change without notice. Users should verify actual device performance in their speciﬁc

applications. The products described herein and this document are subject to speciﬁc legal disclaimers as set forth on the

last page of this document, and at

www.bourns.com/docs/legal/disclaimer.pdf

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