WW4125%R datasheet, PDF - EEWORLD Datasheet

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WW4125%R: DescriptionRESISTOR, WIRE WOUND, 4W, 5%, 20ppm, 12ohm, 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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WW4125%R Overview

RESISTOR, WIRE WOUND, 4W, 5%, 20ppm, 12ohm, THROUGH HOLE MOUNT, AXIAL LEADED, ROHS COMPLIANT

WW4125%R Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	SEI(Stackpole Electronics Inc.)
package instruction	AXIAL LEADED, ROHS COMPLIANT
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	12 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	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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