Document Number: 20001

For technical questions contact: ff3bresistors@vishay.com

www.vishay.com

Revision: 15-Feb-06

57

NMM0207SI

Metal Film Cylindrical Resistors

Vishay Draloric

DIMENSIONS

* d measured in the middle of the resistor

Further

information

about

PACKING,

see

also

datasheet

“surface

mount

resistor

packing”

(document

number:

20014).

MODEL

DIMENSIONS [in millimeters]

d*

L

NMM0207SI

2.2

D - 0.4

5.8- 0.3

1.2

0.6

MODEL

SOLDER PAD DIMENSIONS [in millimeters]

REFLOW SOLDERING WAVE SOLDERING

ab

l

a

b

l

NMM0207SI

1.8

2.5

2.9

2.4

2.5

2.8

PACKING

MODEL

BLISTER TAPE ON REEL

ACC. IEC 60286-3

DIAMETER

PIECES/REEL

CODE

NMM0207SI

180 mm/7"

1500

BP

330 mm/13"

7500

BS

1

Fusing Performance

Power in W

50

40

30

20

10

7

5

4

3

2

1

23

4

5

6 7 8 910

- 55

- 25

50

70

75

100

125

Ambient Temp in °C

Derating

120

100

80

60

40

20

0

25

0

PERFORMANCE

TEST

CONDITIONS OF TEST

REQUIREMENTS

Endurance Test at 70 °C

IEC 60115-1, 4.25.1

1000 hours at 70 °C, 1.5 hours "ON", 0.5 hours "OFF"

≤ 2 %

Endurance at UCT

IEC 60115-1, 4.25.3

1000 hours at 125 °C without load

≤ 2 %

Overload Test

IEC 60115-1, 4.13

Short time overload for 2 seconds

≤ 2 %

Thermal Shock

IEC 60115-1, 4.19 and IEC 60068-2-14

Rapid change between upper and lower category temperature,

5 cycles

≤ 2 %

Damp Heat Steady State

IEC 60115-1, 4.24 and IEC 60068-2-78

56 days at 40 °C and 93 % relative humidity

≤ 2 %

Resistance to Soldering Heat

IEC 60115-1, 4.18 and IEC 60068-2-58

10 seconds at 260 °C solder bath temperature

≤ 1 %