WW2AFB249R datasheet, PDF - EEWORLD Datasheet

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WW2AFB249R: DescriptionFixed Resistor, Wire Wound, 2.6W, 249ohm, 1% +/-Tol, 20ppm/Cel, Through Hole Mount, AXIAL; CategoryPassive components The resistor; File Size455KB，7 Pages; ManufacturerSEI(Stackpole Electronics Inc.); Websitehttps://www.seielect.com/; Environmental Compliance

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WW2AFB249R Overview

Fixed Resistor, Wire Wound, 2.6W, 249ohm, 1% +/-Tol, 20ppm/Cel, Through Hole Mount, AXIAL

WW2AFB249R Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	145050425765
package instruction	Axial,
Reach Compliance Code	compliant
Country Of Origin	Mexico
ECCN code	EAR99
YTEOL	7.1
Other features	PRECISION
structure	Tubular
JESD-609 code	e3
Lead diameter	0.81 mm
Lead length	38.1 mm
Installation features	THROUGH HOLE MOUNT
Number of terminals	2
Maximum operating temperature	350 °C
Minimum operating temperature	-55 °C
Package diameter	3.96 mm
Package length	13.97 mm
Package form	Axial
method of packing	BULK
Rated power dissipation(P)	2.6 W
Rated temperature	70 °C
resistance	249 Ω
Resistor type	FIXED RESISTOR
surface mount	NO
technology	WIRE WOUND
Temperature Coefficient	20 ppm/°C
Terminal surface	Matte Tin (Sn)
Terminal shape	WIRE
Tolerance	1%
Operating Voltage	25.4441 V

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WW / MWW / NWW / WWS Series

General Purpose and Precision Wirewound Resistor

Stackpole Electronics, Inc.

Resistive Product Solutions

Features:

•

WWS offers miniature size at higher power rating

High performance for low cost

High power to size ratio

High temperature silicone coating

MWW/NMWW

–

completely molded construction with welded terminations

Complete welded terminations

Tinned copper leads

Available in non-inductive styles

Tighter tolerances may be available for non-inductive styles - contact Stackpole with requirements

Higher operating temperatures available

“B” packaging code denotes bulk packaging

- contact Stackpole for package quantities

WW/NWW/WWS meet UL94V-0

100% RoHS compliant and lead free without exemption

Halogen free

REACH compliant

Electrical Specifications

–

WW, WWS, MWW

Power Rating (Watts)

TCR (ppm/ºC)

@ 125°C

@ 70°C

WW12

0.4

0.5

WW1

1.1

WW1A

RW-70

1.3

WW2

RW-69

1.5

2.1

WWS2

2.5

2.6

WW2A

2.5

2.6

WW3

RW-79

3.2

WWS3

3.2

WW3A

3.4

WW4

4.3

< 1 Ω = ± 90 ppm/ºC

WWS4

RW-79

4.3

1 Ω to 10 Ω = ± 50 ppm/ºC

WW5

RW-67, RW-74

5.1

> 10 Ω = ± 20 ppm/ºC

WWS5

5.1

WW7

6.5

7.2

WWS7

RW-67, RW-74

6.5

7.2

WW7B

7.7

WW10

RW-78

WWS10

MWW1

RW-70

1.3

MWW3

RW-79

3.2

MWW5

RW-67, RW-74

5.5

MWW10

RW-68, RW-74

(*) Other resistance values available - contact Stackpole for details.

Max Voltage Rating =

√P*R

Type/Code

MIL-R-26 Ref.

Ohmic Range (Ω) and Tolerance

0.1%

0.5%

5 - 2K

3 - 2K

5 - 2K

2 - 3K

1 - 5K

1 - 10K

0.5 - 10K

1 - 10K

0.5 - 10K

1 - 10K

0.5 - 10K

1 - 22K

0.5 - 22K

3 - 10K

1 - 10K

1 - 30K

0.5 - 30K

1 - 40K

0.5 - 40K

1 - 22K

0.5 - 22K

1 - 50K

0.5 - 50K

1 - 40K

0.5 - 40K

1 - 70K

0.5 - 70K

1 - 50K

0.5 - 50K

1 - 70K

0.5 - 70K

1 - 100K

0.5 - 100K

1 - 70K

0.5 - 70K

5 - 2K

3 - 20K

2 - 40K

2 - 80K

(*)

Rev Date: 11/29/2021

This specification may be changed at any time without prior notice.

Please confirm technical specifications before you order and/or use.

www.seielect.com

marketing@seielect.com

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