54AAN-C28-B22/P50L datasheet, PDF

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54AAN-C28-B22/P50L: DescriptionPotentiometer, Conductive Plastic, 0.5W, 250000ohm, 20% +/-Tol, -1000,1000ppm/Cel, 4995; CategoryPassive components The resistor; File Size348KB，4 Pages; ManufacturerBourns; Websitehttp://www.bourns.com; Environmental Compliance

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54AAN-C28-B22/P50L Overview

Potentiometer, Conductive Plastic, 0.5W, 250000ohm, 20% +/-Tol, -1000,1000ppm/Cel, 4995

54AAN-C28-B22/P50L Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Reach Compliance Code	compliant
ECCN code	EAR99
structure	Square
JESD-609 code	e3
Lead length	6.35 mm
Manufacturer's serial number	54
Maximum operating temperature	125 °C
Minimum operating temperature	1 °C
Package height	13.24 mm
Package length	12.5 mm
Package form	PCB Mount
Package width	24.13 mm
Rated power dissipation(P)	0.5 W
resistance	250000 Ω
Resistor type	POTENTIOMETER
rotation angle	270 deg
series	54
size code	4995
technology	CONDUCTIVE PLASTIC
Temperature Coefficient	-1000,1000 ppm/°C
Terminal surface	Matte Tin (Sn)
Tolerance	20%

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Features

■

RoHS compliant*

■

Push-pull switch

■

Linear and audio tapers

■

PC board and bushing mount

■

Splash seal

■

Metal bushing and shaft

Applications

■

Test and measurement equipment

■

Communications equipment

■

Medical diagnostic equipment

■

Professional audio equipment

54 - 1/2 ” (12.5 mm) Panel Control w/Push-Pull Switch

Electrical Characteristics

Standard Resistance Range

Linear ........................................................................................................................................................................................1K to 500K ohms

Audio ........................................................................................................................................................................................1K to 500K ohms

Total Resistance Tolerance

B & D Tapers ..............................................................................................................................................................................................±20 %

E & S Tapers ..............................................................................................................................................................................................±10 %

Independent Linearity ........................................................................................................................................................................................±5 %

Absolute Minimum Resistance ......................................................................................................................................................2 ohms maximum

Effective Electrical Angle .............................................................................................................................................................................. 270 ° ±5

Contact Resistance Variation ............................................................................................................................................................................±2 %

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

Sea Level .............................................................................................................................................................................1,500 VAC minimum

70,000 .....................................................................................................................................................................................500 VAC minimum

Insulation Resistance .......................................................................................................................................................1,000 megohms minimum

Power Rating At 70 °C (Derate To 0 At 125 °C)

(Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less)

Linear Tapers ...........................................................................................................................................................................................0.5 watt

Audio Tapers ..........................................................................................................................................................................................0.25 watt

Theoretical Resolution ................................................................................................................................................................... Essentially inﬁnite

Environmental Characteristics

Operating Temperature Range ....................................................................................................................................................... +1 °C to +125 °C

Storage Temperature Range .........................................................................................................................................................-55 °C to +125 °C

Temperature Coefﬁcient Over Storage Temperature Range .............................................................................................................±1,000 ppm/°C

Vibration ...............................................................................................................................................................................................................8 G

Total Resistance Shift ................................................................................................................................................................. ±2 % maximum

Voltage Ratio Shift ...................................................................................................................................................................... ±5 % maximum

Shock .................................................................................................................................................................................................................20 G

Total Resistance Shift ................................................................................................................................................................. +2 % maximum

Load Life................................................................................................................................................................................................. 1,000 hours

Total Resistance Shift ....................................................................................................................................................... ±10 % TRS maximum

Rotational Life (No Load) ..................................................................................................................................................................... 50,000 cycles

Total Resistance Shift ....................................................................................................................................................... ±10 % TRS maximum

Moisture Resistance (MIL-STD-202, Method 103, Condition B)

B & E ..................................................................................................................................................................................................±10 % TRS

D & S..................................................................................................................................................................................................±20 % TRS

IP Rating

Entire Unit .................................................................................................................................................................................................... IP 64

Shaft/Bushing .............................................................................................................................................................................................. IP 65

Mechanical Characteristics

Stop Strength .......................................................................................................................................................................... 39.5 N-cm (3.5 lb.-in.)

Mechanical Angle ....................................................................................................................................................................................... 290 ° ±5 °

Torque

Starting/Running ..........................................................................................................................................0.2 to 1.3 N-cm (0.25 to 2.0 oz.-in.)

Mounting (Torque on Bushing).............................................................................................................................1.7 to 2.0 N-m (15 to 18 lb.-in.)

Weight .........................................................................................................................................................................................................10 grams

Terminals .................................................................................................................................................................................... PC pin or solder lug

Soldering Condition ....................................................Recommended hand soldering using Sn95/Ag5 no clean solder, 0.025 ” wire diameter.

Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean ﬂux.

Part can be wave soldered at 260 °C (500 °F) for 5 seconds, no wash process with no clean ﬂux.

Marking................................................................................................... Manufacturer’s trademark, part number, resistance value and date code.

Ganging (Multiple Section Potentiometers) ..................................................................... Inquire for availability, minimum order quantity and price.

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

1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.

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

Speciﬁcations are subject to change without notice.

Customers should verify actual device performance in their speciﬁc applications.

54 - 1/2 ” (12.5 mm) Panel Control w/Push-Pull Switch

Initial Electrical Characteristics - Switch

Switch Type ..................................................................................................................................................................... DPDT (Break before make)

Power Rating (Resistive Load) ........................................................................................................................................................0.25 A @ 30 VDC

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

Insulation Resistance ........................................................................................................................................................ 1500 megohms minimum

Contact Resistance ............................................................................................................................................................. 100 milliohms maximum

Actuating Stroke .............................................................................................................................................................0.41 cm (0.16 in.) maximum

Environmental Characteristics

Contact Resistance .......................................................................................................................................................... 100 milliohms maximum

Contact Bounce ............................................................................................................................................................ 0.1 milliseconds maximum

Contact Resistance .......................................................................................................................................................... 100 milliohms maximum

Contact Bounce ............................................................................................................................................................ 0.1 milliseconds maximum

Switch Life @ Rated Power ........................................................................................................................................................... 15,000 actuations

Switch Actuating Force ....................................................................................................................................................0.45 kg (1.0 lb) minimum

Contact Resistance .......................................................................................................................................................... 100 milliohms maximum

Moisture Resistance (MIL-STD-202, Method 103, Condition B)

Contact Resistance .......................................................................................................................................................... 100 milliohms maximum

Insulation Resistance (After 24 Hours @ Room Temperature - 500 VDC) ........................................................................ 100 megohms minimum

1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.

Switch Conﬁgurations (Shown in Pulled Position)

DPST NC/NO

DPDT

DPST NC/NC

PULLED

PUSHED

DPST NO/NO

SPST NO

SPDT

Speciﬁcations are subject to change without notice.

Customers should verify actual device performance in their speciﬁc applications.

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