English
Language : 

M25SI Datasheet, PDF (1/2 Pages) Vishay Siliconix – Thin Film, Rectangular, Fusible, Resistor Chips
M25SI
Vishay Draloric
Thin Film, Rectangular, Fusible, Resistor Chips
FEATURES
• Metal film on high quality ceramic
• Special protective top coat
• Flame retardant
• SnPb contacts on Ni barrier layer
• Fusible resistor for constant voltage
• Automatic placement compatibility
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
SIZE
POWER
LIMITING ELEMENT
INCH METRIC
RATING
VOLTAGE
M25SI 1206 3216
W70°C
0.25
VƆ MAX
√ PxR
TEMPERATURE
COEFFICIENT
ppm/K
100
TOLERANCE
%
5
RESISTANCE
RANGE
Ω
1R – 3K9
E-SERIES
24
• Power rating depends on the max. temperature at the solder point,
the component placement density and the substrate material.
• Marking: 3 digits.
• Ask about extended value ranges.
• TC 50ppm/°C, Tolerance 1% on special request.
• Top coat: beige, transparent.
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
M25SI
Rated Dissipation at 70°C
W
0.25
Insulation Voltage (1 min)
Thermal Resistance 1)
Vdc/ac peak
K/W
> 300
≤ 2201)
Insulation Resistance
Ω
> 10 9
Category Temperature Range
°C
- 55 / + 125
Failure Rate
h–1
1 •10–9
Weight / 1000pcs
g
10
1) Measuring conditions in acc. with CECC 40401
1000
100
10
1
0.1
0.01
0.001
01
23
4
567
8 9 10
Fusing Performance
Power / Watt
1000
PULSE TEST DATA
Pulse Power (Square Pulse)
Pulse Duration ti
Pulse Pause tp
Number of pulses
Drift after pulse test
0.9W
100µs
100ms
105
< 0.1%
ORDERING INFORMATION
M25SI
100
MODEL
TC
ppm / K
0.3W
100ms
1s
105
< 0.1%
100
10
1
1
10
100
1000
10000
Resistance Value in Ohm
Maximum Applicable Voltage after Fusing
91R
5%
RESISTANCE VALUE TOLERANCE
Ω
±%
P5
PACKAGING
P5-Papertape 5000 pcs
www.vishay.com
70
For Technical Questions, contact: ff2aresistors@vishay.com
Document Number 20031
Revision 05-Aug-02