WSHM2818R1000FEA [VISHAY]

RES 0.1 OHM 1% 7W 2818;


型号：	WSHM2818R1000FEA
厂家：	VISHAY
描述：	RES 0.1 OHM 1% 7W 2818
文件：	总4页 (文件大小：124K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

WSHM2818

www.vishay.com

Vishay Dale

Power Metal Strip^®Resistors, High Power (7 W),

Low Value (Down to 0.001 Ω), Surface Mount

FEATURES

• Improved thermal management incorporated

into design

• All welded construction of the Power Metal Strip

resistors are ideal for all types of current

sensing, voltage division, and pulse applications

• Proprietary processing technique produces

extremely low resistance values

• Sulfur resistance by construction that is

unaffected by high sulfur environments

• Very low inductance (< 5 nH)

• Solid metal nickel-chrome or manganese-

copper alloy resistive element with low TCR

(< 20 ppm/°C)

LINKS TO ADDITIONAL RESOURCES

• Low thermal EMF (< 3 μV/°C)

• AEC-Q200 qualified ⁽¹⁾

3D Models

Design Tools

Videos

• PATENT(S): www.vishay.com/patents

• Material categorization: for definitions of compliance

please see www.vishay.com/doc?99912

Notes

•

(1)

Follow link to Overview of Automotive Grade Products for more details: www.vishay.com/doc?49924

Flame retardance test may not be applicable to some resistor technologies

STANDARD ELECTRICAL SPECIFICATIONS

RESISTANCE VALUE RANGE

POWER RATING

WEIGHT

(typical)

GLOBAL MODEL

SIZE

P_{70 °C}

g/1000 pieces

TOL. 0.ꢀ ꢁ

0.010 to 0.1

0.101 to 0.2

TOL 1.0 ꢁ

0.001 to 0.1

0.101 to 0.2

WSHM2818

2818

7 ⁽¹⁾

167.8

Note

(1)

The WSHM2818 is rated at 7 W with maximum surface temperature of 180 °C

GLOBAL PART NUMBER INFORMATION

Global Part Numbering: WSHM2818R1000FEA (visit www.vishay.net Vishay Dale parts numbering manual for all options)

RESISTANCE

VALUE

GLOBAL MODEL

TOLERANCE CODE

PACKAGING CODE ⁽¹⁾

SPECIAL

WSHM2818

L = mΩ*

D = 0.5 ꢀ

F = 1.0 ꢀ

EA = lead (Pb)-free, tape / reel

EK = lead (Pb)-free, bulk

(dash number)

(up to 2 digits)

from 1 to 99 as

applicable

R = decimal

4L000 = 0.004 Ω

R0100 = 0.01 Ω

* Use “L” for resistance

values < 0.01 Ω

Notes

SMD Power Metal Strip Marking (www.vishay.com/doc?30327)

•

(1)

Packaging code: EB (lead (Pb)-free) and TB (tin / lead) are non-standard packaging codes designating 1000 piece reels. These non-standard

packaging codes are identical to our standard EA (lead (Pb)-free) and TA (tin / lead), except that they have a package quantity of 1000 pieces

PATENT(S): www.vishay.com/patents

This Vishay product is protected by one or more United States and international patents.

Revision: 29-Mar-2021

Document Number: 30188

For technical questions, contact: ww2bresistors@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

WSHM2818

www.vishay.com

Vishay Dale

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

RESISTOR CHARACTERISTICS

200 for 1 mΩ to 5.99 mΩ

Component temperature coefficient (including terminal) ⁽¹⁾

ppm/°C

75 for 6 mΩ to 200 mΩ

Element TCR ⁽²⁾

ppm/°C

< 20

< 5

Inductance

°C

Operating temperature range

Maximum working voltage ⁽³⁾

-65 to +170

(P x R)^1/2

Notes

(1)

(2)

(3)

Component TCR - total TCR that includes the TCR effects of the resistor element and the copper terminal

Element TCR - only applies to the alloy used for the resistor element; refer to item 1 in the construction illustration on the following page

Maximum working voltage - the WSHM is not voltage sensitive, but is limited by power / energy dissipation and is also not ESD sensitive

DIMENSIONS in inches (millimeters)

Notes

•

3D models available: www.vishay.com/doc?30324

Surface mount solder profile recommendations: www.vishay.com/doc?31052

RESISTANCE

RANGE

DIMENSIONS

SOLDER PAD DIMENSIONS

MODEL

0.280 0.010 0.180 0.010 0.059 0.010 0.125 0.010

0.138

(3.5)

0.200

(5.1)

0.024

(0.61)

WSHM2818

0.001 to 0.2

(7.1 0.25)

(4.6 0.25)

(1.50 0.25)

(3.18 0.25)

TYPICAL SENSING LAYOUT

SENSING WITH VIA LAYOUT (best performance)

0.138

(3.51)

0.210

(5.33)

0.020

(0.51)

0.024

(0.61)

0.143

(3.63)

0.210

(5.33)

0.026

(0.66)

0.105

(2.67)

Ø 0.020

(0.50)

0.024

(0.61)

Note

•

Sensing locations are based on the construction of the part; terminals are wrapped from the outside to underneath. These options place the

sensing location nearest the temperature stable resistance element, which minimizes contact resistance and optimizes TCR

Revision: 29-Mar-2021

Document Number: 30188

For technical questions, contact: ww2bresistors@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

WSHM2818

www.vishay.com

Vishay Dale

DERATING

PULSE CAPABILITY

Axis Title

120

100

10000

1000

100

click to get started

-65 -50 -25

25 50

100 125 150 170

www.vishay.com/resistors/power-metal-strip-calculator

Ambient Temperature (°C)

PERFORMANCE

TEST

CONDITIONS OF TEST

TEST LIMITS

Thermal shock

-55 °C to +150 °C, 2000 cycles, 15 min at each extreme

0.5 ꢀ

Refer to link for short time overload performance and pulse capability;

www.vishay.com/resistors/power-metal-strip-calculator/

Short time overload

1.0 ꢀ

Low temperature operation

High temperature exposure

Bias humidity

-65 °C for 24 h

0.5 ꢀ

1.0 ꢀ

0.5 ꢀ

1.0 ꢀ

0.5 ꢀ

2000 h at +170 °C

+85 °C, 85 ꢀ RH, 10 ꢀ bias, 1000 h

100 g’s for 6 ms, 5 pulses

Mechanical shock

Vibration

Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h

2000 h at 70 °C, 1.5 h “ON”, 0.5 h “OFF”

+260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence

MIL-STD-202, method 106, 0 ꢀ power, 7b not required

Load life

Resistance to solder heat

Moisture resistance

PACKAGING

REEL

MODEL

TAPE WIDTH

DIAMETER

PIECES/REEL

CODE

WSHM2818

16 mm/embossed plastic

330 mm / 13"

3500

Notes

•

Embossed carrier tape per EIA-481

Additional packaging details at www.vishay.com/doc?20051

ADDITIONAL RESOURCES

Video: Power Metal Strip

Short Time Overload

www.vishay.com/videos/resistors/power-metal-strip174-resistor-short-time-overload-product-demo

Revision: 29-Mar-2021

Document Number: 30188

For technical questions, contact: ww2bresistors@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

Legal Disclaimer Notice

www.vishay.com

Vishay

Disclaimer

ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE

RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.

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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other

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Statements regarding the suitability of products for certain types of applications are based on Vishay's knowledge of typical

requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements

about the suitability of products for a particular application. It is the customer's responsibility to validate that a particular product

with the properties described in the product specification is suitable for use in a particular application. Parameters provided in

datasheets and / or specifications may vary in different applications and performance may vary over time. All operating

parameters, including typical parameters, must be validated for each customer application by the customer's technical experts.

Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited

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Hyperlinks included in this datasheet may direct users to third-party websites. These links are provided as a convenience and

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Revision: 09-Jul-2021

Document Number: 91000

WSHM2818R1000FEA [VISHAY]

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