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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

ppm / K

Ω± %

P5-Papertape 5000 pcs

MODEL

SIZE

POWER

LIMITING ELEMENT

TEMPERATURE

TOLERANCE

RESISTANCE

E-SERIES

INCH

METRIC

RATING

VOLTAGE

COEFFICIENT

RANGE

V

MAX

ppm/K

%

Ω

M25SI

1206

3216

0.25

√ PxR

100

5

1R – 3K9

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)

> 300

K/W

Insulation Resistance

Ω

Category Temperature Range

°C

- 55 / + 125

Failure Rate

Weight / 1000pcs

g

10

Fusing Performance

Power / Watt

0

1

2

3

4

567

89

10

0.01

0.1

1

10

100

1000

0.001

1

10

100

1000

10000

1

10

100

1000

Resistance Value in Ohm

Maximum Applicable Voltage after Fusing

STANDARD ELECTRICAL SPECIFICATIONS

PULSE TEST DATA

Pulse Power (Square Pulse)

0.9W

0.3W

100

µs

100ms

100ms

1s

Number of pulses

Drift after pulse test

< 0.1%

< 0.1%