Datasheet > ENH502K550FC02

ENH502K550FC02

更新时间： 2024-11-02 08:20:59

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
3页	208K
描述
Fixed Resistor, Wire Wound, 30W, 2550ohm, 1% +/-Tol, -20,20ppm/Cel,

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ENH502K550FC02 数据手册

ERH, ENH

Vishay Dale

Wirewound Resistors, Military/Established Reliability

MIL-PRF-39009 Qualified, Type RER, R Level

FEATURES

• Aluminum heat sink housing

• Molded construction for total environmental protection

• Qualified to MIL-PRF-39009

• Complete welded construction

• Available in non-inductive styles (type ENH) with Aryton-

Perry winding for lowest reactive components

• Mounts on chassis to utilize heat-sink effect

STANDARD ELECTRICAL SPECIFICATIONS

POWER RATING

MILITARY

RESISTANCE RANGE

WEIGHT

(typical)

P_{25 °C}

MIL-PRF-39009

MODEL

TYPE

ꢀ %

MOUNTED

FREE AIR

ENH-5

RER40

RER45

RER50

RER55

RER60

RER65

RER70

RER75

1 - 1.65K

1 - 2.8K

3.3

8.8

16.5

ENH-10

ENH-25

ENH-50

ERH-5

1 - 6.04K

1 - 4.99K

0.10 - 3.32K

0.10 - 5.62K

0.10 - 12.1K

0.10 - 39.2K

ERH-10

ERH-25

ERH-50

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

ERH, ENH RESISTOR CHARACTERISTICS

Temperature Coefficient

Dielectric Withstanding Voltage

Short Time Overload

Maximum Working Voltage

Insulation Resistance

Terminal Strength

ppm/°C

100 for 0.1 Ω to 0.99 Ω, 50 for 1 Ω to 19.9 Ω, 20 for 20 Ω and above

1000 for ERH-5, ERH-10 and ERH-25, 2000 for ERH-50

5 x rated power for 5 s

V_AC

(P x R)^1/2

10 000 MΩ minimum dry, 1000 MΩ minimum after moisture test

5 pull for ERH-5 and ERH-10, 10 pull for ERH-25 and ERH-50

Meets requirements of ANSI J-STD-002

- 55 to + 250

Solderability

Operating Temperature Range

°C

GLOBAL PART NUMBER INFORMATION

Global/Military Part Numbering: RER65Fꢀ00ꢀRC02

ꢀ

MIL TYPE

TOLERANCE CODE

RESISTANCE VALUE

FAILURE RATE

PACKAGING CODE

RER40

RER45

RER50

RER55

RER60

RER65

RER70

RER75

F = 1.0 %

3 digit significant figure,

followed by a multiplier

M = 1.0 %/1000 h

P = 0.1 %/1000 h

R = 0.01 %/1000 h

C02 = Tin/lead,

card pack

CSL = Tin/lead, card pack,

49R9 = 49.9 Ω

ꢀ000 = 100 Ω

ꢀ00ꢀ = 1000 Ω

single lot date code

www.vishay.com

160

For technical questions, contact: ww2bresistors@vishay.com

Document Number: 30200

Revision: 29-May-08

12 3

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