RER Military

www.vishay.com

Vishay Dale

Revision: 23-Jun-16

2

Document Number: 30200

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

DIMENSIONS

MATERIAL SPECIFICATIONS

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

depending on resistance value

Core: ceramic, steatite or alumina, depending on physical

size

Encapsulant: silicone molded construction

Housing: aluminum with hard anodic coating

End Caps: stainless steel

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

POWER RATING

Vishay RER resistor wattage ratings are based on mounting

to the proper heat sink.



RER40, RER45, RER60, RER65: 4" x 6" x 2" x 0.040" thick

aluminum chassis



RER50, RER55, RER70, RER75: 5" x 7" x 2" x 0.040" thick

aluminum chassis

DERATING



MILITARY



MODEL

DIMENSIONS

in inches [millimeters]

AB

C

D

E

F

G

H

J

K

L

M

N

P

RER40

RER60

0.444

± 0.005

[11.280

± 0.127]

0.490

± 0.005

[12.450

± 0.127]

0.600

± 0.031

[15.240

± 0.787]

1.125

± 0.062

[28.580

± 1.570]

0.334

± 0.015

[8.480

± 0.381]

0.646

± 0.015

[16.410

± 0.381]

0.320

± 0.015

[8.130

± 0.381]

0.065

± 0.010

[1.650

± 0.254]

0.133

± 0.010

[3.380

± 0.254]

0.078

± 0.010

[1.980

± 0.254]

0.093

± 0.005

[2.360

± 0.127]

0.078

± 0.015

[1.980

± 0.381]

0.050

± 0.005

[1.270

± 0.127]

0.266

± 0.062

[6.760

± 1.570]

RER45

RER65

0.562

± 0.005

[14.270

± 0.127]

0.625

± 0.005

[15.880

± 0.127]

0.750

± 0.031

[19.050

± 0.787]

1.375

± 0.062

[34.930

± 1.570]

0.420

± 0.015

[10.670

± 0.381]

0.800

± 0.015

[20.320

± 0.381]

0.390

± 0.015

[9.910

± 0.381]

0.075

± 0.010

[1.900

± 0.254]

0.165

± 0.010

[4.190

± 0.254]

0.093

± 0.010

[2.360

± 0.254]

0.094

± 0.005

[2.390

± 0.127]

0.102

± 0.015

[2.590

± 0.381]

0.085

± 0.005

[2.160

± 0.127]

0.312

± 0.062

[7.920

± 1.570]

RER50

RER70

0.719

± 0.005

[18.260

± 0.127]

0.781

± 0.005

[19.840

± 0.127]

1.062

± 0.031

[26.970

± 0.787]

1.938

± 0.062

[49.230

± 1.570]

0.550

± 0.015

[13.970

± 0.381]

1.080

± 0.015

[27.430

± 0.381]

0.546

± 0.015

[13.870

± 0.381]

0.075

± 0.010

[1.900

± 0.254]

0.231

± 0.010

[5.870

± 0.254]

0.172

± 0.010

[4.370

± 0.254]

0.125

± 0.005

[3.180

± 0.127]

0.115

± 0.015

[2.920

± 0.381]

0.085

± 0.005

[2.160

± 0.127]

0.438

± 0.062

[11.130

± 1.570]

RER55

RER75

1.562

± 0.005

[39.670

± 0.127]

0.844

± 0.005

[21.440

± 0.127]

1.968

± 0.031

[49.990

± 0.787]

2.781

± 0.062

[70.640

± 1.570]

0.630

± 0.015

[16.000

± 0.381]

1.140

± 0.015

[28.960

± 0.381]

0.610

± 0.015

[15.490

± 0.381]

0.088

± 0.010

[2.240

± 0.254]

0.260

± 0.010

[6.600

± 0.254]

0.196

± 0.010

[4.980

± 0.254]

0.125

± 0.005

[3.180

± 0.127]

0.107

± 0.015

[2.720

± 0.381]

0.085

± 0.005

[2.160

± 0.127]

0.438

± 0.062

[11.130

± 1.570]

L

K

P

M

D

C

A

B

N

J

E

F

H

G

- 55

0

50

100

150

200

250

AMBIENT TEMPERATURE IN °C

120

100

80

60

40

20

0

25

- 50

PERFORMANCE

TEST

CONDITIONS OF TEST

TEST LIMITS

Low Temperature Operation

Apply rated power until thermal stability, remove power subject to

air temperature of -55 °C for 15 min to 30 min

± (0.5 % + 0.01

) R

Short Time Overload

5 x rated power for 5 s

± (0.3 % + 0.01

) R

Dielectric Withstanding Voltage

± (0.2 % + 0.01

) R

Low Temperature Storage

-55 °C for 24 h

± (0.3 % + 0.01

) R

High Temperature Exposure

250 °C for 2000 h

± (1.0 % + 0.01

) R

Moisture Resistance

MIL-STD-202, method 106

± (0.5 % + 0.01

) R

Shock, Specified Pulse

MIL-STD-202, method 213, condition I

± (0.2 % + 0.01

) R

Vibration, High Frequency

MIL-STD-202, method 204, condition D

± (0.2 % + 0.01

) R

Load Life

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

± (1.0 % + 0.01

) R

Extended Life

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

± (0.2 % + 0.01

) R

Terminal Strength

MIL-STD-202, method 211, condition A



5 pound (RER40, RER45, RER60, RER65),



10 pound (RER50, RER55,RER70, RER75)

± (0.2 % + 0.01

) R