VISHAY NMM0207SI

NMM0207SI
Vishay Draloric
Metal Film, Cylindrical, Fusible Resistors
FEATURES
• Fusible resistor for constant current designed for overload
protection
• High positive temperature coefficient
• Flame retardant coating
• Defined switch–off behaviour
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
1)
POWER RATING
P70°C1)
W
TEMPERATURE
COEFFICIENT
ppm/K
TOLERANCE
RESISTANCE
RANGE
%
Ω
NMM0207SI
0.35
+ 4500/± 500
5, 10, 20
1R0 – 47R
12 – 24
NMM0207SI
0.35
+ 4500/± 500
10, 20
R10 – R91
12
Power rating depends on the maximum temperature at the solder
point, the component placement density and the substrate
material.
E-SERIES
• Coating: beige
• Marking: additional 5th band black; for further information
see appropriate catalog or web page
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
NMM0207SI
Rated Dissipation at 70°C
W
0.35
Minimum Overload to Fuse
W
1.5
Time to Fuse (max)
s
30
Max. applicable Voltage after Fusing
V
85
K/W
≤ 220
°C
- 55 / + 125
Thermal Resistance
Category Temperature Range
Failure Rate
10
Weight / 1000pcs
–9
/h
< 30
g
71
PACKAGIMG: See SMM0207
ORDERING INFORMATION
NMM0207SI
MODEL
www.vishay.com
24
+ 4500 / ± 500
36R
5%
BP
TC
ppm / K
RESISTANCE VALUE
Ω
TOLERANCE
± %
PACKAGING
BP-Blistertape 1500 pcs
For Technical Questions contact : [email protected]
Document Number 20001
Revision 24-Jun-02
NMM0207SI
Metal Film, Cylindrical, Fusible Resistors
DIMENSIONS
Vishay Draloric
DIMENSIONS [in millimeters]
MODEL
NMM0207SI
Dmax
d*
L
A max
A min
2.2
D -0.4
5.8 - 0.3
1.2
0.6
* d measured in the middle of the resistor
SOLDER PAD DIMENSIONS [in millimeters]
MODEL
Power rating P in %
Fusing Time in s
NMM0207SI
50
40
30
20
10
7
5
4
3
REFLOW SOLDERING
WAVE SOLDERING
a
b
l
a
b
l
1.8
2.5
2.9
2.4
2.5
2.8
120
100
80
60
40
2
20
0
-55
1
1
2
3
4
5
6 7 8 9 10
Fusing Performance
Power in W
-25
0
25
50
70
75
100
125
Ambient Temp. in °C
Derating
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 IEC 60068-2-14
Rapid change between upper and lower category temperature
≤ ± 2%
Damp Heat Steady State
IEC 60115-1 4.24 IEC 60068-2-3
56 days at 40°C and 93% relative humidity
≤ ± 2%
Resistance to Soldering Heat
IEC 60115-1 4.18 IEC 60068-2-20
10 seconds at 260°C solder bath temperature
≤ ± 1%
SOLDERING INFORMATION
• For reflow soldering only
• Board has to be thoroughly cleaned after soldering. All flux materials must be completely removed.
Document Number 20001
Revision 24-Jun-02
For Technical Questions contact : [email protected]
www.vishay.com
25
This datasheet has been download from:
www.datasheetcatalog.com
Datasheets for electronics components.