Ch-technology ENH User Manual download pdf (Page 1)

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Document Number: 30200

160 Revision: 29-May-08

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

MODEL

MIL-PRF-39009

TYPE

POWER RATING

25 °C

MILITARY

RESISTANCE RANGE

± 1 %

WEIGHT

(typical)

MOUNTED FREE AIR

ENH-5 RER40 5 3 1 - 1.65K 3.3

ENH-10 RER45 10 6 1 - 2.8K 8.8

ENH-25 RER50 20 8 1 - 6.04K 16.5

ENH-50 RER55 30 10 1 - 4.99K 35

ERH-5 RER60 5 3 0.10 - 3.32K 3

ERH-10 RER65 10 6 0.10 - 5.62K 6

ERH-25 RER70 20 8 0.10 - 12.1K 13

ERH-50 RER75 30 10 0.10 - 39.2K 28

TECHNICAL SPECIFICATIONS

PARAMETER UNIT ERH, ENH RESISTOR CHARACTERISTICS

Temperature Coefficient 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

Dielectric Withstanding Voltage V

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

Short Time Overload - 5 x rated power for 5 s

Maximum Working Voltage V

(P x R)

1/2

Insulation Resistance Ω 10 000 MΩ minimum dry, 1000 MΩ minimum after moisture test

Terminal Strength lb 5 pull for ERH-5 and ERH-10, 10 pull for ERH-25 and ERH-50

Solderability - Meets requirements of ANSI J-STD-002

Operating Temperature Range °C - 55 to + 250

GLOBAL PART NUMBER INFORMATION

Global/Military Part Numbering: RER65F1001RC02

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

49R9 = 49.9 Ω

1000 = 100 Ω

1001 = 1000 Ω

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,

single lot date code

65F1 01R0ER C02R

1 2 3

Summary of Contents

Page 1 - ERH, ENH

www.vishay.com For technical questions, contact: [email protected] Number: 30200160 Revision: 29-May-08ERH, ENHVishay DaleWirewound Re

Page 2

Document Number: 30200 For technical questions, contact: [email protected]: 29-May-08 161ERH, ENHWirewound Resistors, Mi

Page 3 - Legal Disclaimer Notice

Document Number: 91000 www.vishay.comRevision: 18-Jul-08 1DisclaimerLegal Disclaimer NoticeVishay All product specifications and data are subject t

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