WW2FTR261 datasheet, PDF - EEWORLD Datasheet

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WW2FTR261: DescriptionFixed Resistor, Wire Wound, 2.1W, 0.261ohm, 1000V, 1% +/-Tol, 90ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT; CategoryPassive components The resistor; File Size96KB，3 Pages; ManufacturerSEI(Stackpole Electronics Inc.); Websitehttps://www.seielect.com/; Environmental Compliance

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WW2FTR261 Overview

Fixed Resistor, Wire Wound, 2.1W, 0.261ohm, 1000V, 1% +/-Tol, 90ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT

WW2FTR261 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
package instruction	Axial,
Reach Compliance Code	compliant
ECCN code	EAR99
Other features	PRECISION
structure	Welded
JESD-609 code	e3
Lead diameter	0.81 mm
Lead length	38.1 mm
Manufacturer's serial number	WW
Installation features	THROUGH HOLE MOUNT
Number of terminals	2
Maximum operating temperature	350 °C
Minimum operating temperature	-55 °C
Package diameter	4 mm
Package length	9.4 mm
Package shape	TUBULAR PACKAGE
Package form	Axial
method of packing	TR, 11 INCH
Rated power dissipation(P)	2.1 W
Rated temperature	70 °C
resistance	0.261 Ω
Resistor type	FIXED RESISTOR
series	WW
surface mount	NO
technology	WIRE WOUND
Temperature Coefficient	90 ppm/°C
Terminal surface	Matte Tin (Sn)
Terminal shape	WIRE
Tolerance	1%
Operating Voltage	1000 V
Base Number Matches	1

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WW/MWW/NWW Series

General Purpose and Precision Wirewound Resistor

Features:

•

Stackpole Electronics, Inc.

Resistive Product Solutions

WWS offers miniature size at higher power rating

High performance for low cost

High power to size ratio

MWW – completely molded construction with welded terminations

Complete welded terminations

Tinned copper leads

Available in non-inductive styles

High temperature silicone coating

RoHS compliant

Higher operating temperatures available

Bulk packaging available - contact Stackpole for package quantities

Electrical Specifications

Type / Code

MIL-R-26 Ref.

Dielectric

Strength (V)

(1)

Power Rating

(Watts)

@ 125ºC

0.4W

1.5W

2.5W

6.5W

10W

Power Rating

(Watts)

@ 70ºC

0.5 W

1.1 W

1.3 W

2.1 W

2.6 W

3.2 W

3.4 W

4.3 W

5.1 W

7.2 W

7.7 W

11.0 W

1.3 W

3.2 W

5.5 W

11.0 W

TCR (ppm/ºC)

Ohmic Range(Ω) and Tolerance

0.1%, 0.5%, 1% & 5%

Standard

Non-Inductive

0.1 - 2K

0.1 - 1K

0.1 - 3K

0.1 - 1.5K

0.1 - 7K

0.1 - 3.5K

0.1 - 10K

0.1 - 5K

0.1 - 3K

0.1 - 1.5K

0.1 - 15K

0.1 - 7.5K

0.1 - 22K

0.1 - 11K

0.1 - 10K

0.1 - 5K

0.1 - 30K

0.1 - 15K

0.1 - 40K

0.1 - 20K

0.1 - 22K

0.1 - 11K

0.1 - 50K

0.1 - 25K

0.1 - 40K

0.1 - 20K

0.1 - 70K

0.1 - 35K

0.1 - 50K

0.1 - 25K

0.1 - 100K

0.1 - 50K

0.1 - 150K

0.1 - 75K

0.1 - 100K

0.1 - 50K

0.1 - 2K

0.1 - 20K

0.1 - 40K

0.1 - 150K

WW12 / NWW12

500V

WW1 / NWW1

500V

WW1A / NWW1A

RW-70

500V

WW2 / NWW2

RW-69

1,000V

WWS2 / NWWS2

500V

WW2A / NWW2A

1,000V

WW3 / NWW3

RW-79

1,000V

WWS3 / NWWS3

1,000V

WW3A / NWW3A

1,000V

WW4 / NWW4

1,000V

WWS4 / NWWS4

RW-79

1,000V

WW5 / NWW5

RW-67, RW-74

1,000V

WWS5 / NWWS5

1,000V

WW7 / NWW7

1,000V

WWS7 / NWWS7

RW-67, RW-74

1,000V

WW7B / NWW7B

1,000V

WW10 / NWW10

RW-78

1,000V

WWS10 / NWWS10

1,000V

MWW1 / NMWW1

RW-70

1,000V

MWW3 / NMWW3

RW-79

1,000V

MWW5 / NMWW5

RW-67, RW-74

1,000V

MWW10 / NMWW10 RW-68, RW-74

1,000V

(1) Lesser of

√PR

or maximum working voltage

< 1Ω = ±90ppm/ºC

1Ω to 10Ω = ±50ppmºC

>10Ω = ±20ppm/ºC

Performance Characteristics

Test

Moisture Resistance

Load Life

Temperature Cycling

Short Time Overload

Test Condition

1000 hours, 95% R.H., 40ºC

1000 hours,

cycled power 1.5 hours ON, 0.5 hours OFF, 25ºC

5 cycles, -55ºC to 200ºC

5 times rated power for 5 seconds

Result

1% max

0.5%

Operating Temperature Range: -55ºC to +350ºC

Rev Date: 08/20/2012

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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