M49465 Military, RLV

www.vishay.com

Vishay Dale

Revision: 21-Apr-2021

2

Document Number: 30283

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

DIMENSIONS in inches [millimeters]

Note

MATERIAL SPECIFICATIONS

Element: self-supporting nickel-chrome alloy (M4946501

(RLV10) utilizes manganin for some values)

Encapsulation: high temperature mold compound

Terminals: tinned copper

Packaging: reference “Wirewound Through Hole Resistor

SURFACE TEMPERATURE VS. POWER

DERATING

Note

1.50 [38.10]

(1)

minimum

A

C

B

0.125 [3.17]

typical

M4946501 (RLV10)

1.50 [38.10]

(1)

minimum

A

M4946506 (RLV30), M4946507 (RLV31)

C

B

MILITARY MODEL

DIMENSIONS in inches [millimeters]

AB

C

M4946501 (RLV10)

0.937 ± 0.062 [23.80 ± 1.57]

0.375 ± 0.031 [9.53 ± 0.787]

0.040 ± 0.005 [1.02 ± 0.130]

M4946506 (RLV30)

0.560 ± 0.031 [14.22 ± 0.787]

0.205 ± 0.031 [5.21 ± 0.787]

0.036 ± 0.005 [0.90 ± 0.130]

M4946507 (RLV31)

0.925 ± 0.031 [23.50 ± 0.787]

0.330 ± 0.031 [8.38 ± 0.787]

0.040 ± 0.005 [1.02 ± 0.130]

MARKING

EXAMPLE

91637

Source code

1101

Date code YYMM

M4946507

MIL-PRF-49465 model

TR0100F

Characteristic, resistance type designation,

tolerance

10

100

1000

10000

0

50

100

150

200

250

012345

Axis Title

Power (W)

M4946506 (RLV30)

M4946507 (RLV31)

10

100

1000

10000

0

20

40

60

80

100

120

-55 -25

75

125

175

225

275

Axis Title

Ambient Temperature (°C)

25

PERFORMANCE

TEST

CONDITIONS OF TEST

TEST LIMITS

Thermal Shock

-65 °C to +125 °C, 5 cycles, 15 min at each extreme

± (0.2 % + 0.0005

) R

Short Time Overload

5 x rated power for 5 s

± (0.5 % + 0.0005

) R

Low Temperature Storage

-55 °C for 24 h

± (0.2 % + 0.0005

) R

High Temperature Exposure

250 h at +275 °C

± (2.0 % + 0.0005

) R

Dielectric Withstanding Voltage

± (0.1 % + 0.0005

) R

Insulation Resistance

MIL-STD-202 method 302, 100 V

1000 M

 minimum

Moisture Resistance

MIL-STD-202 method 106, 7b not applicable

± (0.2 % + 0.0005

) R

Shock, Specified Pulse

MIL-STD-202 method 213, 100 g’s for 6 ms, 10 shocks

± (0.1 % + 0.0005

) R

Vibration, High Frequency

Frequency varied 10 Hz to 2000 Hz, 20 g peak, 2 directions 6 h each

± (0.1 % + 0.0005

) R

Load Life

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

± (2.0 % + 0.0005

) R

Solderability

ANSI J-STD-002

95 % coverage

Bias Humidity

+85 °C, 85 % RH, 10 % bias, 1000 h

± (1.0 % + 0.0005

) R