51SEA-U25-B20L datasheet, PDF - EEWORLD Datasheet

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51SEA-U25-B20L: DescriptionPotentiometer, Conductive Plastic, 0.5W, 100000ohm, 20% +/-Tol, -1000,1000ppm/Cel, 4535,; CategoryPassive components The resistor; File Size377KB，3 Pages; ManufacturerBourns; Websitehttp://www.bourns.com; Environmental Compliance

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51SEA-U25-B20L Overview

Potentiometer, Conductive Plastic, 0.5W, 100000ohm, 20% +/-Tol, -1000,1000ppm/Cel, 4535,

51SEA-U25-B20L Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	770712640
Reach Compliance Code	not_compliant
structure	Square
JESD-609 code	e3
Lead length	6.6 mm
Maximum operating temperature	125 °C
Minimum operating temperature	1 °C
Package height	13.25 mm
Package length	11.4 mm
Package form	PCB Mount
Package width	8.89 mm
Rated power dissipation(P)	0.5 W
resistance	100000 Ω
Resistor type	POTENTIOMETER
rotation angle	270 deg
series	51
size code	4535
technology	CONDUCTIVE PLASTIC
Temperature Coefficient	-1000,1000 ppm/°C
Terminal surface	Matte Tin (Sn)
Tolerance	20%

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Features

■

RoHS compliant*

■

Conductive plastic or cermet

■

Linear and audio tapers

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PC board and bushing mount

■

Gangable

■

Metal bushing and shaft

■

Sealed for board washing

51/53 - Sealed 1/2 ” (12.5 mm) Square Control

Electrical Characteristics

Conductive Plastic

Cermet

Standard Resistance Range

Linear ...................................................................................................1 K ohms to 1 megohm ......................... 150 ohms to 1 megohm

Audio ....................................................................................................1 K ohms to 1 megohm ......................... 1 K ohms to 1 megohm

Total Resistance Tolerance

Linear Tapers ........................................................................................±10 % or ±20 % .................................... ±10 % or ±5 %

Audio Tapers ........................................................................................±10 % or ±20 % .................................... ±10 %

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

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

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

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

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

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

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

Insulation Resistance .................................................................................1,000 megohms minimum ..................... 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.................................................. 1.0 watt

Audio Tapers ........................................................................................0.25 watt................................................ 0.5 watt

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

Environmental Characteristics

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

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

Temperature Coefﬁcient Over Storage Temperature Range ......................±1,000 ppm/°C ...................................... ±150 ppm/°C

Vibration (Single Section) ...........................................................................15 G ....................................................... 15 G

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

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

Shock (Single Section) ...............................................................................30 G ....................................................... 30 G

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

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

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

Total Resistance Shift ...........................................................................±10 % TRS maximum ........................... ±5 % TRS maximum

Rotational Life (No Load) ............................................................................50,000 cycles ........................................ 25,000 cycles

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

Contact Resistance Variation @ 25,000 Cycles ...................................±2 % ...................................................... ±4 %

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

Total Resistance Shift ...........................................................................±10 % TRS ............................................ ±5 % TRS

IP Rating

Entire Unit.............................................................................................IP64 ....................................................... IP64

Shaft/Bushing.......................................................................................IP65 ....................................................... IP65

Mechanical Characteristics

Stop Strength ............................................................................................................................................................................................... 56 N-cm (5 lb.-in.)

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

Torque

Starting (Dual Sections).............................................................................................................................................. +0.35 N-cm (+0.5 oz.-in.) maximum

Running (Single Section) ............................................................................................................................................. 0.15 to 1.4 N-cm (0.2 to 2.0 oz.-in.)

Running (Dual Section) ................................................................................................................................................ 0.35 to 1.8 N-cm (0.5 to 2.5 oz.-in.)

Detent (Single Section) ...................................................................................................................................................1.94 N-cm (2.75 oz.-in.) minimum

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

Weight (Single Section).............................................................................................................................................................................................. 5.5 grams

(Additional Section) ............................................................................................................................................................................................. 3.0 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 Potentiometer) ............................................................................................................................................ 2 sections maximum**

Hardware ...........................................One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number.

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

** Additional sections available on special request with higher minimum order quantities.

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

Speciﬁcations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their speciﬁc applications.

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