WW1A49.90.5%R datasheet, PDF - EEWORLD Datasheet

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WW1A49.90.5%R: DescriptionRESISTOR, WIRE WOUND, 1W, 0.5%, 20ppm, 49.9ohm, THROUGH HOLE MOUNT, AXIAL LEADED, ROHS COMPLIANT; CategoryPassive components The resistor; File Size95KB，3 Pages; ManufacturerSEI(Stackpole Electronics Inc.); Websitehttps://www.seielect.com/; Environmental Compliance

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WW1A49.90.5%R Overview

RESISTOR, WIRE WOUND, 1W, 0.5%, 20ppm, 49.9ohm, THROUGH HOLE MOUNT, AXIAL LEADED, ROHS COMPLIANT

WW1A49.90.5%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)	1 W
Rated temperature	125 °C
resistance	49.9 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	0.5%

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WW/MWW Series

General Purpose and Precision Wirewound

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 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

Type / Code

WW H

WW 1 / WWS 2

WW 1A

WW 2 / WWS 3

WW 2A

WW 3 / WWS 4

WW 3A

WW 4 / WWS 5

WW 5 / WWS 7

WW 7

WW 7B / WWS 10

WW 10

MWW 1

MWW 3

MWW 5

MWW 10

MIL-R-26 Ref.

RW-70

RW-69

RW-79

RW-67, RW-74

RW-78

RW-70

RW-79

RW-67, RW-74

RW-68, RW-74

Dielectric

Power Rating (Watts)

Strength

(V)

@ 125ºC (U) @ 25ºC (V)

500V

1,000V

0.4W

1.5W

2.5W

6.5W

10W

0.6W

1.2W

1.5W

2.5W

3.7W

8.5W

13W

1.5W

3.75W

6.5W

13W

>10Ω = ±20ppm/ºC

1Ω to 10Ω = ±50ppmºC

< 1Ω = ±90ppm/ºC

Resitance Temperature

Coefficient

Ohmic Range(Ω) and Tolerance(1)

0.1%, 0.5%, 1% & 5%

Standard

0.1 - 2K

0.1 - 3K

0.1 - 7K

0.1 - 10K

0.1 - 15K

0.1 - 22K

0.1 - 30K

0.1 - 40K

0.1 - 50K

0.1 - 70K

0.1 - 100K

0.1 - 150K

0.1 - 2K

0.1 - 20K

0.1 - 40K

0.1 - 150K

Non-Inductive

0.1 - 1K

0.1 - 1.5K

0.1 - 3.5K

0.1 - 5K

0.1 - 7.5K

0.1 - 11K

0.1 - 15K

0.1 - 20K

0.1 - 25K

0.1 - 35K

0.1 - 50K

0.1 - 75K

(1) Lesser of√PR or maximum working voltage

How to Order

SEI Type

Code

Nominal

Resistance

Tolerance

Packaging

Type

WWS

MWW

NWW

Description

Standard

Mini

Molded

Non-Inductive

Code

10K

Tolerance

0.1%

0.5%

Types

WW H, WW 1, WWS2, WW 1A, MWW 1

WW 2, WWS3, WW 2A, WW 3, WWS4,

WW 4, WWS5, MWW 3

WW 3A

WW 5, WWS7, WW 7, WW 7B, WWS10,

WW 10, MWW 5

WW 10, MWW 10

Qty

2,500

2,000

5,000

500

250

11" Flange

Description

Code

Rev Date: 04/23/2010

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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