303145-R00298-D-B-T datasheet, PDF

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303145-R00298-D-B-T: DescriptionFixed Resistor, Metal Foil, 3W, 0.00298ohm, 0.5% +/-Tol, 25ppm/Cel, Surface Mount, 3736, CHIP; CategoryPassive components The resistor; File Size282KB，5 Pages; ManufacturerVishay; Websitehttp://www.vishay.com

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303145-R00298-D-B-T Overview

Fixed Resistor, Metal Foil, 3W, 0.00298ohm, 0.5% +/-Tol, 25ppm/Cel, Surface Mount, 3736, CHIP

303145-R00298-D-B-T Parametric

Parameter Name	Attribute value
Objectid	145058816661
package instruction	CHIP
Reach Compliance Code	unknown
Country Of Origin	Israel
ECCN code	EAR99
YTEOL	10
Other features	PRECISION
structure	Rectangular
Installation features	SURFACE MOUNT
Number of terminals	2
Maximum operating temperature	170 °C
Package height	0.635 mm
Package length	9.398 mm
Package form	SMT
Package width	9.144 mm
method of packing	TR
Rated power dissipation(P)	3 W
Rated temperature	70 °C
resistance	0.00298 Ω
Resistor type	FIXED RESISTOR
size code	3736
surface mount	YES
technology	METAL FOIL
Temperature Coefficient	25 ppm/°C
Terminal shape	WRAPAROUND
Tolerance	0.5%

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303144, 303145

Models 303144 and 303145

Resistors CSM2512 and CSM3637

Models 303144 and 303145 – Fixed Resistors CSM2512 and CSM3637

with Screen/Test Flow in Compliance with EEE-INST-002

(Tables 2A and 3A, Film/Foil, Level 1) MIL-PRF-55342 and MIL-PRF-49465

FEATURES

• Temperature coefficient: ±20 ppm/°C max.

(–55°C to +125°C, +25°C ref.) (see Table 1)

• Surface mount configuration

• Four terminal (Kelvin) design: allows for precision

accurate measurements

• Power rating: 1 W to 3 W

• Resistance tolerance: ±0.5%

• Resistance range: 2 mΩ to 200 mΩ

• Bulk Metal

Foil resistors are not restricted to standard

values; specific “as required” values can be supplied

at no extra cost or delivery (e.g., 2.345 mΩ vs. 2 mΩ)

• Short time overload: 0.2% typical

• Thermal EMF: 3 μV/°C

• Maximum current: up to 38 A

• Terminal finish: tin/lead alloy

• For prototype units, append a “U” to the model number

(example: 303144U). These units have all of the table

2A (page 3) 100% tests performed, with no destructive

qualification testing required (table 3A, page 3).

For more information, please contact:

foil@vpgsensors.com

• For oriented performances, please contact:

application engineering

Zin

∞

INTRODUCTION

303144 and 303145 are low value current sense resistors,

providing power and precision in a four terminal, surface

mount configuration. Its all welded construction is made

up of a Bulk Metal

resistive element with plated copper

terminations.

The four terminal devices separate the current leads from

the voltage sensing leads. This configuration eliminates

the effect of the lead wire resistance from points A to B

and C to D.

Vishay Foil Resistors’ application engineering department

is available to advise and make recommendations.

Figure 1 – Power Derating Curve

Percent of Rated Power

100

- 65 - 50

- 25

100

125

150

170

+ 70 °C

Ambient Temperature (°C)

Table 1 – Specifications

PARAMETER

Resistance Range

Power Rating at 70°C

Maximum Current

Tightest Tolerance

Temperature Coefficient Max.

(–55°C to +125°C, +25°C ref.)

Weight (maximum)

±20 ppm/°C (3 mΩ to <100 mΩ)

±25 ppm/°C (100 mΩ to 200 mΩ)

0.09 g

303144

3 mΩ to 200 mΩ

18 A

±0.5%

±25 ppm/°C (2 mΩ to ≤3 mΩ)

±25 ppm/°C (100 mΩ to 200 mΩ)

±20 ppm/°C (>3 mΩ to <100 mΩ)

0.29 g

303145

2 mΩ to 200 mΩ

3 W ( 2 mΩ to 10 mΩ)

2 W (>10 mΩ to 200 mΩ)

38 A

Document No.: 63166

Revision: 06-Jul-2017

For any questions, contact

foil@vpgsensors.com

www.vishayfoilresistors.com

Legal Disclaimer Notice

Vishay Precision Group, Inc.

Disclaimer

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

Vishay Precision Group, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf

(collectively, “VPG”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in

any other disclosure relating to any product.

The product specifications do not expand or otherwise modify VPG’s terms and conditions of purchase, including but

not limited to, the warranty expressed therein.

VPG makes no warranty, representation or guarantee other than as set forth in the terms and conditions of purchase.

To the maximum extent permitted by applicable law, VPG disclaims (i) any and all liability arising out of the

application or use of any product, (ii) any and all liability, including without limitation special, consequential or

incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular purpose,

non-infringement and merchantability.

Information provided in datasheets and/or specifications may vary from actual results in different applications and

performance may vary over time. Statements regarding the suitability of products for certain types of applications

are based on VPG’s knowledge of typical requirements that are often placed on VPG products. 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. You should ensure you have the current version of the relevant information by contacting

VPG prior to performing installation or use of the product, such as on our website at vpgsensors.com.

No license, express, implied, or otherwise, to any intellectual property rights is granted by this document, or by any

conduct of VPG.

The products shown herein are not designed for use in life-saving or life-sustaining applications unless otherwise

expressly indicated. Customers using or selling VPG products not expressly indicated for use in such applications do

so entirely at their own risk and agree to fully indemnify VPG for any damages arising or resulting from such use or sale.

Please contact authorized VPG personnel to obtain written terms and conditions regarding products designed for such

applications.

Product names and markings noted herein may be trademarks of their respective owners.

Document No.: 63999

Revision: 15-Jul-2014

www.vpgsensors.com

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