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RWR84S2R74FRBSL

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品牌：VISHAY

描述：RES 2.74 OHM 7W 1% WW AXIAL

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RWR84S2R74FRBSL 概述

RES 2.74 OHM 7W 1% WW AXIAL

RWR84S2R74FRBSL 数据手册

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RWR Military

www.vishay.com

Vishay Dale

Wirewound Resistors, Military/Established Reliability,

MIL-PRF-39007 Qualified, Type RWR, Up to S Level, Axial Lead

FEATURES

• High temperature silicone coated

• Complete welded construction

• Qualified to MIL-PRF-39007

• Available in non-inductive styles (type N) with

Ayrton-Perry winding for lowest reactive components

• “S” level failure rate available

click logo to get started

DESIGN SUPPORT TOOLS

Note

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

•

Models

below but are available upon request. Please reference

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

tolerance/ranges”

Available

STANDARD ELECTRICAL SPECIFICATIONS

RESISTANCE RANGE  RESISTANCE RANGE 

VISHAY REFERENCE POWER RATING

WEIGHT

MILITARY MODEL

MODEL

_{25 °C}W

(typical) g

0ꢀ1 ꢁ

0.499 to 1K

0ꢀ5 ꢁ, 1 ꢁ

0.1 to 1K

RWR81S

RWR81N

RWR82S

RWR82N

RWR80S

RWR80N

RWR71S

RWR71N

RWR89S

RWR89N

RWR74S

RWR74N

RWR84S

RWR84N

RWR78S

RWR78N

EGS-1-80

EGN-1-80

EGS-2

0.21

0.23

0.34

0.90

0.70

4.2

0.499 to 499

0.1 to 499

1.5

0.499 to 1.3K

0.499 to 649

0.1 to 1.3K

0.1 to 649

EGN-2

EGS-3-80

EGN-3-80

ESS-2A

ESN-2A

ESS-2B

ESN-2B

ESS-5

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

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

ESN-5

4.2

EGS-10-80

EGN-10-80

ESS-10

3.6

9.0

ESN-10

9.0

Note

•

RWR82S and RWR82N: Core consists of beryllium oxide ceramic

GLOBAL PART NUMBER INFORMATION

Global Part Numbering example: RWR74S49R9FSB12

MIL TYPE TERMINAL WIRE AND WINDING

RESISTANCE VALUE

(4 digits)

TOLERANCE CODE

(1 digit)

FAILURE RATE

(1 digit)

PACKAGING CODE

(3 digits)

(5 digits)

(1 digit)

RWR71

RWR74

RWR78

RWR80

RWR81

RWR82

RWR84

RWR89

S = solderable, inductive

N = solderable, non-inductive

W = weldable, inductive ⁽¹⁾

Z = weldable, non-inductive ⁽¹⁾

3 digit significant figure,

followed by a multiplier

B = 0.1 %

D = 0.5 %

F = 1.0 %

M = 1.0 %/1000 h

P = 0.1 %/1000 h

R = 0.01 %/1000 h

S = 0.001 %/1000 h

B12 = bulk pack

S70 = tape/reel

(smaller than 5 W)

S73 = tape/reel

49R9 = 49.9 

1000 = 100 

1001 = 1000 

(500 pieces)

BSL ⁽²⁾= bulk pack,

single lot date code

RSL ⁽²⁾= tape/reel,

single lot date code

Notes

(1)

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

Maximum order sizes apply for single lot date code package codes, please see table below

(2)

Revision: 15-Nov-17

Document Number: 30203

For technical questions, contact: ww2aresistors@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

RWR Military

www.vishay.com

Vishay Dale

MAXIMUM ORDER SIZE FOR SINGLE LOT DATE CODE PACKAGE CODES

MODEL

RWR81

RWR82

RWR80

RWR71

RWR89

RWR74

RWR84

RWR78

MAXIMUM ORDER SIZE (PIECES)

1000

500

1000

500

300

DIMENSIONS in inches [millimeters]

1ꢀ50 [38ꢀ10] ⁽¹⁾

minꢀ

DIMENSIONS in inches [millimeters]

MILITARY MODEL

RWR81

RWR82

RWR80

RWR71

RWR89

RWR74

RWR84

RWR78

0.250 0.031 [6.35 0.787]

0.085 0.020 [2.16 0.508]

0.078 + 0.016 - 0.031 [1.98 + 0.406 - 0.787]

0.094 0.031 [2.39 0.787]

0.187 0.031 [4.75 0.787]

0.312 0.031 [7.92 0.787]

0.375 0.031 [9.525 0.787]

0.020 0.0015 [0.508 0.038]

0.032 0.002 [0.813 0.051]

0.040 0.002 [1.02 0.051]

0.312 0.016 [7.92 0.406]

0.406 0.031 [10.31 0.787]

0.812 0.062 [20.62 1.58]

0.560 0.062 [14.22 1.58]

0.875 0.062 [22.23 1.58]

1.780 0.062 [45.21 1.58]

Note

(1)

On some standard reel pack methods, the leads may be trimmed to a shorter length than shown

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

RWR RESISTOR CHARACTERISTICS

DielectricWithstandingVoltage

V_AC

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

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

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

Short Time Overload

Maximum Working Voltage

Insulation Resistance

Terminal Strength

(P x R)^1/2

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

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

Meets requirements of ANSI J-STD-002

-55 to +250

Solderability

Operating Temperature Range

°C

RESISTANCE TEMPERATURE COEFFICIENT

RWR71

RWR74

RWR78

RWR80

RWR81

RWR82

RWR84

RWR89

TEMPERATURE

COEFFICIENT

(ppm/°C)

RESISTANCE RESISTANCE RESISTANCE RESISTANCE RESISTANCE RESISTANCE RESISTANCE RESISTANCE

RANGE () RANGE () RANGE () RANGE () RANGE () RANGE () RANGE () RANGE ()

+650 max.

+400 max.

0.1 to 0.499 0.1 to 0.499 0.1 to 0.499 0.1 to 0.499 0.1 to 0.499 0.1 to 0.499 0.1 to 0.499 0.1 to 0.499

0.505 to 1.0 0.505 to 1.0 0.505 to 1.0 0.505 to 1.0 0.505 to 1.0 0.505 to 1.0 0.505 to 1.0 0.505 to 1.0

1.01 to 10

10.1 to 73.2

10.1 to 158

10.1 to 453

10.1 to 158

10.1 to 42.2

74.1

and above

160

and above

459

and above

10.1

and above

10.1

and above

10.1

and above

160

and above

42.7

and above

Revision: 15-Nov-17

Document Number: 30203

For technical questions, contact: ww2aresistors@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

RWR Military

www.vishay.com

Vishay Dale

MATERIAL SPECIFICATIONS

DERATING

120

Element: copper-nickel alloy or nickel-chrome alloy,

depending on resistance value

100

Core: ceramic, beryllium oxide ⁽¹⁾, steatite or alumina,

depending on power requirement

Coating: special high temperature silicone

Terminal and Winding: the terminal and the winding are

identified by a letter symbol in the military type designation.

Military symbol:

S = solderable, inductively wound

W = weldable, inductively wound

N = solderable, non-inductively wound

Z = weldable, non-inductively wound

Terminals: solderable - Tinned Copperweld^®

Weldable - bare nickel per MIL-STD-1276, Type N-1

- 65- 50

150

250

AMBIENT TEMPERATURE IN °C

End Caps: stainless steel

Part Marking: source code, JAN, military PIN, date/lot code

Note

(1)

RWR82S and RWR82N: Core consists of beryllium oxide

ceramic

PERFORMANCE

TEST

CONDITIONS OF TEST

MIL-STD-202, method 107

TEST LIMITS

Thermal Shock

(0.2 % + 0.005 ) R

5x rated power (RWR71, RWR80, RWR81, RWR89, RWR82), 

Short Time Overload

(0.2 % + 0.005 ) R

(0.1 % + 0.005 ) R

10 x rated power (RWR74, RWR78, RWR84) for 5 s

500 V_RMS(RWR80, RWR81, RWR82), 

1000 V_RMS(RWR71, RWR74, RWR78, RWR84, RWR89), 1 min duration

Dielectric Withstanding Voltage

Low Temperature Storage

High Temperature Exposure

Moisture Resistance

Shock, Specified Pulse

Vibration, High Frequency

Load Life

-55 °C for 24 h

(0.1 % + 0.005 ) R

(1.0 % + 0.005 ) R ⁽¹⁾

(0.2 % + 0.005 ) R

(0.1 % + 0.005 ) R

(0.5 % + 0.005 ) R

(1.0 % + 0.005 ) R

250 °C for 2000 h

MIL-STD-202, method 106

MIL-STD-202, method 213, condition I

MIL-STD-202, method 204, condition D

2000 h at rated power, +25 °C, 1.5 h “ON”, 0.5 h “OFF”

10 000 h at rated power, +25 °C, 1.5 h “ON”, 0.5 h “OFF”

Extended Life

MIL-STD-202, method 211, condition A and C

5 pound (RWR80, RWR81, RWR82),

10 pound (RWR71, RWR74, RWR78, RWR84, RWR89)

Terminal Strength

(0.1 % + 0.005 ) R

Note

(1)

For resistance values above 100 , test limit is 1.0 %

Revision: 15-Nov-17

Document Number: 30203

For technical questions, contact: ww2aresistors@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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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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Revision: 09-Jul-2021

Document Number: 91000

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