WW3BN213R datasheet, PDF - EEWORLD Datasheet

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WW3BN213R: DescriptionFixed Resistor, Wire Wound, 3W, 213ohm, 1000V, 0.1% +/-Tol, -20,20ppm/Cel,; CategoryPassive components The resistor; File Size110KB，4 Pages; ManufacturerSEI(Stackpole Electronics Inc.); Websitehttps://www.seielect.com/; Environmental Compliance

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WW3BN213R Overview

Fixed Resistor, Wire Wound, 3W, 213ohm, 1000V, 0.1% +/-Tol, -20,20ppm/Cel,

WW3BN213R Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	836829062
Reach Compliance Code	compliant
ECCN code	EAR99
structure	Welded
JESD-609 code	e3
Lead diameter	0.81 mm
Lead length	38.1 mm
Number of terminals	2
Maximum operating temperature	350 °C
Minimum operating temperature	-25 °C
Package diameter	4.8 mm
Package length	14.2 mm
Package form	Axial
method of packing	Tape
Rated power dissipation(P)	3 W
resistance	213 Ω
Resistor type	FIXED RESISTOR
series	WW
technology	WIRE WOUND
Temperature Coefficient	20 ppm/°C
Terminal surface	Matte Tin (Sn)
Tolerance	0.1%
Operating Voltage	1000 V

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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 may be available. Contact factory.

Electrical Specifications

Type / Code

MIL-R-26 Ref.

Dielectric

Strength

(V)

500V

1,000V

500V

1,000V

Power Rating

(Watts)

@ 25ºC

0.4W

1.5W

2.5W

6.5W

10W

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 - 3K

0.1 - 15K

0.1 - 22K

0.1 - 10K

0.1 - 30K

0.1 - 40K

0.1 - 22K

0.1 - 50K

0.1 - 40K

0.1 - 70K

0.1 - 50K

0.1 - 100K

0.1 - 150K

0.1 - 100K

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 - 1.5K

0.1 - 7.5K

0.1 - 11K

0.1 - 5K

0.1 - 15K

0.1 - 20K

0.1 - 11K

0.1 - 25K

0.1 - 20K

0.1 - 35K

0.1 - 25K

0.1 - 50K

0.1 - 75K

0.1 - 50K

(N)WWH

(N)WW1

(N)WW1A

RW-70

(N)WW2

RW-69

(N)WWS2

(N)WW2A

(N)WW3

RW-79

(N)WWS3

RW-69

(N)WW3A

(N)WW4

(N)WWS4

RW-79

(N)WW5

RW-67, RW-74

(N)WWS5

(N)WW7

(N)WWS7

RW-67, RW-74

(N)WW7B

(N)WW10

RW-78

(N)WWS10

(N)MWW1

RW-70

(N)MWW3

RW-79

(N)MWW5

RW-67, RW-74

(N)MWW10

RW-68, RW-74

(1) Lesser of√PR or maximum working voltage

< 1Ω = ±90ppm/ºC

1Ω to 10Ω = ±50ppmºC

>10Ω = ±20ppm/ºC

Please refer to the High Power Resistor Application Note (page 4) for more information on designing and

implementing high power resistor types.

Rev Date: 08/11/2011

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

WW/MWW/NWW Series

General Purpose and Precision Wirewound Resistor

Stackpole Electronics, Inc.

Resistive Product Solutions

High Power Chip Resistors and Thermal Management

Stackpole has developed several surface mount resistor series in addition to our current sense resistors,

which have had higher power ratings than standard resistor chips. This has caused some uncertainty and

even confusion by users as to how to reliably use these resistors at the higher power ratings in their designs.

The data sheets for the RHC, RMCP, RNCP, CSR, CSRN, CSRF, CSS, and CSSH state that the rated

power assumes an ambient temperature of no more than 100 degrees C for the CSS / CSSH series and 70

degrees C for all other high power resistor series. In addition, IPC and UL best practices dictate that the

combined temperature on any resistor due to power dissipated and ambient air shall be no more than 105C.

At first glance this wouldn’t seem too difficult, however the graph below shows typical heat rise for the CSR

½ 100 milliohm at full rated power. The heat rise for the RMCP and RNCP would be similar. The RHC with

its unique materials, design, and processes would have less heat rise and therefore would be easier to

implement for any given customer.

The 102 degrees C heat rise shown here would indicate there will be additional thermal reduction techniques

needed to keep this part under 105C total hot spot temperature if this part is to be used at 0.75 watts of

power. However, this same part at the usual power rating for this size would have a heat rise of around 72

degrees C. This additional heat rise may be dealt with using wider conductor traces, larger solder pads and

land patterns under the solder mask, heavier copper in the conductors, vias through PCB, air movement, and

heat sinks, among many other techniques. Because of the variety of methods customers can use to lower

the effective heat rise of the circuit, resistor manufacturers simply specify power ratings with the limitations

on ambient air temperature and total hot spot temperatures and leave the details of how to best accomplish

this to the design engineers. Design guidelines for products in various market segments can vary widely so it

would be unnecessarily constraining for a resistor manufacturer to recommend the use of any of these

methods over another.

Note:

The final resistance value can be affected by the board layout and assembly process, especially the size of the

mounting pads and the amount of solder used. This is especially notable for resistance values

≤

50 mΩ.

This should be taken into account when designing.

Rev Date: 08/11/2011

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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