LCM0207SI+300/-25011R5%BP [VISHAY]
Fixed Resistor - Fusible, 0.25W, 11ohm, 5% +/-Tol, -250,300ppm/Cel;
| 型号： | LCM0207SI+300/-25011R5%BP |
| 厂家： | 
VISHAY |
| 描述： | Fixed Resistor - Fusible, 0.25W, 11ohm, 5% +/-Tol, -250,300ppm/Cel |
| 文件： | 总2页 (文件大小：167K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
LCM0207SI
Vishay Draloric
Carbon Film, Cylindrical, Fusible Resistors
FEATURES
• Fusible resistor for constant voltage designed for
overload protection
• Specially spiralled to provide the fusible function
• Flame retardant coating
• Used in battery chargers, TV-sets, cordless phones,
PC/CPU-cooler
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
POWER RATING
TEMPERATURE
COEFFICIENT
ppm/K
TOLERANCE
%
RESISTANCE
RANGE
Ω
E-SERIES
1)
P
70°C
W
LCM0207SI
0.25
+ 300/- 250
5
R22 – 1K0
24
1) Power rating depends on the maximum temperature at
the solder point, the component placement density and
the substrate material.
• Coating: beige
• Marking and packaging :see appropriate catalog or web page
additional 5th band yellow
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
LCM0207SI
Rated Dissipation at 70°C
W
0.25
> 1R0
< 1R0
4
5
Minimum Overload to Fuse
W
s
Time to Fuse (max)
Derating
15
Linear to + 125°C
≤ 220
Thermal Resistance
Voltage Coefficient
Category Temperature Range
Failure Rate
K/W
V–1
≥ 10 7
°C
- 55 / + 125
< 30
10 –9 /h
g
Weight / 1000pcs
71
ORDERING INFORMATION
LCM0207SI
+ 300/- 250
5R6
5%
BP
MODEL
TC
RESISTANCE VALUE
TOLERANCE
PACKAGING
ppm / K
Ω
± %
BP-Blistertape 1500 pcs
For Technical Questions contact : ff1aresistors@vishay.com
Document Number 20002
Revision 24-Jun-02
www.vishay.com
26
LCM0207SI
Carbon Film, Cylindrical, Fusible
Vishay Draloric
DIMENSIONS
MODEL
DIMENSIONS [in millimeters]
D
d *
L
A
A
min
max
max
LCM0207SI
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]
REFLOW SOLDERING WAVE SOLDERING
MODEL
a
b
l
a
b
l
LCM0207SI
1.8
2.5
2.9
2.4
2.5
2.8
50
40
30
500
Secondary conditions:
Impulse load
a) P see diagrams (pulse rating)
300
200
20
b) ϑu ≤ 40°C
10
100
50
7
5
4
3
30
20
2
10
0
1
1
2
3
4
5 6 7 8 910
20
30 40 50
10
100
1K
10K
Power in W
Umax in case of failure and max. Pulse voltage
Fusing Performance
Resistance Value in Ω
PERFORMANCE
TEST
CONDITIONS OF TEST
REQUIREMENTS
Endurance Test at 70°C
1000 hours at 70°C 1.5 hours "ON" 0.5 hours "OFF"
≤ ± 2.0 %
≤ ± 2.0 %
≤ ± 0.5 %
≤ ± 2.0 %
≤ ± 0.25 %
IEC 60115-1 4.25.1
Endurance at UCT
IEC 60115-1 4.25.3
1000 hours at 125°C without load
Thermal Shock
Rapid change between upper and lower category temperature
56 days at 40°C and 93% relative humidity
IEC 60115-1 4.19 IEC 60068-2-14
Damp Heat Steady State
IEC 60115-1 4.24 IEC 60068-2-3
Resistance to Soldering Heat
10 seconds at 260°C solder bath temperature
IEC 60115-1 4.18 IEC 60068-2-20
See SMM0207
PACKAGING:
SOLDERING INFORMATION
• For reflow soldering only
• Board has to be thoroughly cleaned after soldering. All flux materials must be completely removed
For Technical Questions contact : ff1aresistors@vishay.com
Document Number 20002
Revision 24-Jun-02
www.vishay.com
27
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