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70
M25SI
Vishay Draloric
Document Number 20031
Revision 05-Aug-02
For Technical Questions, contact: ff2aresistors@vishay.com
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
Thin Film, Rectangular, Fusible, Resistor Chips
M25SI
100
91R
5%
P5
MODEL
TC
RESISTANCE VALUE TOLERANCE
PACKAGING
P5-Papertape 5000 pcs
ppm / K
±
%
MODEL SIZE
INCH
POWER
RATING
W
70
°
C
0.25
LIMITING ELEMENT
VOLTAGE
V
MAX
√
PxR
TEMPERATURE
COEFFICIENT
ppm/K
TOLERANCE
RESISTANCE
RANGE
1R – 3K9
E-SERIES
METRIC
%
M25SI
1206
3216
100
5
24
ORDERING INFORMATION
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)
V
dc/ac peak
> 300
Thermal Resistance
1)
K/W
≤
220
1)
Insulation Resistance
> 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
Fusing Performance
1000
Power / Watt
0
1
2
3
4
5
6
7
8
9
10
T
0.01
0.1
1
10
100
1000
0.001
1
10
100
1000
10000
1
10
100
V
Resistance Value in Ohm
Maximum Applicable Voltage after Fusing
STANDARD ELECTRICAL SPECIFICATIONS
PULSE TEST DATA
Pulse Power (Square Pulse)
0.9W
0.3W
Pulse Duration t
i
100
μ
s
100ms
Pulse Pause t
p
100ms
1s
Number of pulses
10
5
10
5
Drift after pulse test
< 0.1%
< 0.1%