RWR74S1R27DRS73 datasheet, PDF

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RWR74S1R27DRS73: DescriptionRESISTOR, WIRE WOUND, 5 W, 0.5 %, 50 ppm, 1.27 ohm, THROUGH HOLE MOUNT, AXIAL LEADED; CategoryPassive components The resistor; File Size158KB，3 Pages; ManufacturerVishay; Websitehttp://www.vishay.com

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RWR74S1R27DRS73 Overview

RESISTOR, WIRE WOUND, 5 W, 0.5 %, 50 ppm, 1.27 ohm, THROUGH HOLE MOUNT, AXIAL LEADED

RWR74S1R27DRS73 Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Vishay
package instruction	Axial,
Reach Compliance Code	compliant
ECCN code	EAR99
structure	Tubular
JESD-609 code	e0
Lead diameter	1.02 mm
Lead length	38.1 mm
Installation features	THROUGH HOLE MOUNT
Number of terminals	2
Maximum operating temperature	250 °C
Minimum operating temperature	-55 °C
Package diameter	7.92 mm
Package length	22.23 mm
Package form	Axial
method of packing	TR
Rated power dissipation(P)	5 W
Rated temperature	25 °C
Guideline	MIL-PRF-39007
resistance	1.27 Ω
Resistor type	FIXED RESISTOR
surface mount	NO
technology	WIRE WOUND
Temperature Coefficient	50 ppm/°C
Terminal surface	Tin/Lead (Sn/Pb)
Terminal shape	WIRE
Tolerance	0.5%
Operating Voltage	2.5199 V

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RWR Military

www.vishay.com

Vishay Dale

Wirewound Resistors, Military/Established Reliability,

MIL-PRF-39007 Qualified, Type RWR, R Level, Axial Lead

FEATURES

•

High temperature silicone coated

Complete welded construction

Qualified to MIL-PRF-39007

Available in non-inductive styles (type N) with Aryton-Perry

winding for lowest reactive components

•

“S” level failure rate available

Note

• “Terminal Wire and Winding” type “W” and “Z” are not listed

below but are available upon request. Please reference

MIL-PRF-39007 QPL for approved “failure rate” and “resistance

tolerance/ranges”

STANDARD ELECTRICAL SPECIFICATIONS

MILITARY MODEL

RWR81S

RWR81N

RWR82S

RWR82N

RWR80S

RWR80N

RWR71S

RWR71N

RWR89S

RWR89N

RWR74S

RWR74N

RWR84S

RWR84N

RWR78S

RWR78N

VISHAY REFERENCE

MODEL

EGS-1-80

EGN-1-80

EGS-2

EGN-2

EGS-3-80

EGN-3-80

ESS-2A

ESN-2A

ESS-2B

ESN-2B

ESS-5

ESN-5

EGS-10-80

EGN-10-80

ESS-10

ESN-10

POWER RATING

25 °C

RESISTANCE RANGE



± 0.1 %

0.499 to 1K

0.499 to 499

0.499 to 1.3K

0.499 to 649

0.499 to 3.16K

0.499 to 1.58K

0.499 to 12.1K

0.499 to 6.04K

0.499 to 4.12K

0.499 to 2.05K

0.499 to 12.1K

0.499 to 6.04K

0.499 to 12.4K

0.499 to 6.19K

0.499 to 39.2K

0.499 to 19.6K

RESISTANCE RANGE



± 0.5 %, ± 1 %

0.1 to 1K

0.1 to 499

0.1 to 1.3K

0.1 to 649

0.1 to 3.16K

0.1 to 1.58K

0.1 to 12.1K

0.1 to 6.04K

0.1 to 4.12K

0.1 to 2.05K

0.1 to 12.1K

0.1 to 6.04K

0.1 to 12.4K

0.1 to 6.19K

0.1 to 39.2K

0.1 to 19.6K

WEIGHT

(typical) g

0.21

0.23

0.34

0.90

0.70

4.2

3.6

9.0

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

RWR RESISTOR CHARACTERISTICS

Temperature Coefficient

ppm/°C ± 20 for 10



and above; ± 50 for 1.1



to 10

;

± 400 for 0.505



to 1

;

± 650 for 0.1



to 0.499



500 minimum for 2 W and smaller, 1000 minimum for 3 W and larger

Dielectric Withstanding Voltage

5 x rated power for 5 s for 3 W size and smaller,

Short Time Overload

10 x rated power for 5 s for 5 W size and greater

Maximum Working Voltage

(P x

1/2

Insulation Resistance

1000 M minimum dry, 100 M minimum after moisture test

Terminal Strength

5 minimum for 2 W and smaller, 10 minimum for 3 W and larger

Solderability

Meets requirements of ANSI J-STD-002

Operating Temperature Range

°C

- 65 to + 250

GLOBAL PART NUMBER INFORMATION

Global Part Numbering example: RWR74S49R9FSB12

MIL TYPE

RWR71

RWR74

RWR78

RWR80

RWR81

RWR82

RWR84

RWR89

PACKAGING CODE

B12

= Bulk pack

S70

= Tape/reel

(smaller than 5 W)

S73

= Tape/reel

(5 W and higher)

BSL

= Bulk pack,

single lot date code

RSL

= Tape/reel,

single lot date code

TERMINAL WIRE AND WINDING

= Solderable, inductive

= Solderable, non-inductive

= Weldable, inductive

(1)

= Weldable, non-inductive

(1)

RESISTANCE VALUE

3 digit significant figure,

followed by a multiplier

49R9

= 49.9



1000

= 100



1001

= 1000



TOLERANCE CODE

= ± 0.1 %

= ± 0.5 %

= ± 1.0 %

FAILURE RATE

= 1.0 %/1000 h

= 0.1 %/1000 h

= 0.01 %/1000 h

= 0.001 %/1000 h

(1)

Note

Note that “W” and “Z” are not listed above but are available, see MIL-PRF-39007 QPL for available resistance values.

For technical questions, contact:

ww2bresistors@vishay.com

Revision: 12-Sep-11

Document Number: 30203

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

Vishay

Disclaimer

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

RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.

Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,

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

disclosure relating to any product.

Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or

the continuing production of any product. To the maximum extent permitted by applicable law, Vishay 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.

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 to the warranty expressed therein.

Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining

applications or for any other application in which the failure of the Vishay product could result in personal injury or death.

Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree

to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and

damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay

or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to

obtain written terms and conditions regarding products designed for such applications.

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

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

Document Number: 91000

Revision: 11-Mar-11

www.vishay.com

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