WW41.25%R datasheet, PDF - EEWORLD Datasheet

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WW41.25%R: DescriptionRESISTOR, WIRE WOUND, 4W, 5%, 50ppm, 1.2ohm, THROUGH HOLE MOUNT, AXIAL LEADED, ROHS COMPLIANT; CategoryPassive components The resistor; File Size198KB，2 Pages; ManufacturerSEI(Stackpole Electronics Inc.); Websitehttps://www.seielect.com/; Environmental Compliance

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WW41.25%R Overview

RESISTOR, WIRE WOUND, 4W, 5%, 50ppm, 1.2ohm, THROUGH HOLE MOUNT, AXIAL LEADED, ROHS COMPLIANT

WW41.25%R Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	SEI(Stackpole Electronics Inc.)
package instruction	,
Reach Compliance Code	compli
ECCN code	EAR99
Other features	PRECISION
JESD-609 code	e3
Manufacturer's serial number	WW
Installation features	THROUGH HOLE MOUNT
Number of terminals	2
Maximum operating temperature	275 °C
Minimum operating temperature	-55 °C
Package shape	TUBULAR PACKAGE
method of packing	TR
Rated power dissipation(P)	4 W
Rated temperature	125 °C
resistance	1.2 Ω
Resistor type	FIXED RESISTOR
surface mount	NO
technology	WIRE WOUND
Temperature Coefficient	50 ppm/°C
Terminal surface	Matte Tin (Sn)
Terminal shape	WIRE
Tolerance	5%

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WW / MWW Series — General Purpose and Precision Wirewound

Features

• High performance for low cost

• Excellent stability in operation

• High power to size ratio

• MWW - Completely molded construction with

welded terminations tested to MIL-R-39007

• Complete welded terminations

• Tinned copper leads

• Available in non-inductive styles

• High temperature silicone coating

• RoHS compliant / lead-free

Electrical Specifications

Std. Resistance Range * (ohms)

Type / Code

MIL-R-26 Ref.

Dielectric Strength

(V)

Power Rating (Watts)

0.1%, 0.5%, 1% & 5%

@ 125°C (U)

WW H

WW 1

WW 1A

WW 2

WW 2A

WW 3

WW 3A

WW 4

WW 5

WW 7

WW 7B

WW 10

MWW 1

MWW 3

MWW 5

MWW 10

–

RW-70

RW-69

–

RW-79

–

RW-67, RW-74

–

RW-78

RW-70

RW-79

RW-67, RW-74

RW-68, RW-74

500V

1,000V

0.4W

1.0W

1.5W

2.5W

3.0W

4.0W

5.0W

6.5W

7.0W

10W

1.0W

3.0W

5.0W

10.0W

@ 25°C (V)

0.6W

1.2W

1.5W

2.5W

3.0W

3.7W

4.0W

5.0W

6.0W

8.5W

9.0W

13W

1.5W

3.75W

6.5W

13.0W

Std

0.1Ω – 2KΩ

0.1Ω – 3KΩ

0.1Ω – 7KΩ

0.1Ω – 10KΩ

0.1Ω – 15KΩ

0.1Ω – 22KΩ

0.1Ω – 30KΩ

0.1Ω – 40KΩ

0.1Ω – 50KΩ

0.1Ω – 70KΩ

0.1Ω – 100KΩ

0.1Ω – 150KΩ

0.1Ω – 2KΩ

0.1Ω – 20KΩ

0.1Ω – 40KΩ

0.1Ω – 150KΩ

Non-Inductive

0.1Ω – 1KΩ

0.1Ω – 1.5KΩ

0.1Ω – 3.5KΩ

0.1Ω – 5KΩ

0.1Ω – 7.5KΩ

0.1Ω – 11KΩ

0.1Ω – 15KΩ

0.1Ω – 20KΩ

0.1Ω – 25KΩ

0.1Ω – 35KΩ

0.1Ω – 50KΩ

0.1Ω – 75KΩ

–

* Standard TC as follows: ±90ppm below 1Ω, ±50ppm from 1 - 10Ω,

±20ppm above 10Ω.

How to Order

SEI Type

Code

10K

Nominal Resistance

Tolerance

Packaging

Type

MWW

Description

Standard

Molded

Code

Tolerance

0.1%

0.5%

1.0%

5.0%

SEI Type

WW H, WW 1, WW 1A, MWW 1

WW 2, WW 2A, WW 3, WW 4, MWW 3

WW 3A

WW 5, WW 7, WW 7B, WW 10, MWW 5

WW 10, MWW 10

Pkg Qty Description Code

2,500

2,000

5000

500

250

11" Flange

NWW Non-Inductive

Toll Free: (888) SEI-SEIS

(888) 734-7347

www.seielect.com

email: marketing@seielect.com

Rev 06/08

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