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Technical Data ELX1184

Effective June 2022

MST

SMD current sensing resistor- metal strip

www.eaton.com/electronics

Mechanical parameters- Inches [mm]

Recommended PCB layout- mm

Family

Size code

L

W

d

T

MST0603

R = 1

0603

[1608]

0.063 ± 0.006

[1.60 ± 0.15]

0.031 ± 0.008

[0.08 ± 0.20]

0.024 ± 0.008

[0.60 ± 0.20]

0.016 ± 0.004

[0.40 ± 0.10]

MST0603

R > 1

0603

[1608]

0.063 ± 0.006

[1.60 ± 0.15]

0.031 ± 0.008

[0.08 ± 0.20]

0.014 ± 0.008

[0.35 ± 0.20]

0.016 ± 0.004

[0.40 ± 0.10]

MST0805

0805

[2013]

0.081 ± 0.006

[2.05 ± 0.15]

0.051 ± 0.008

[1.30 ± 0.20]

0.014 ± 0.008

[0.35 ± 0.20]

0.016 ± 0.004

[0.40 ± 0.10]

MST0805

R > 2

0805

[2013]

0.081 ± 0.006

[2.05 ± 0.15]

0.051 ± 0.008

[1.30 ± 0.20]

0.014 ± 0.008

[0.35 ± 0.20]

0.010 ± 0.004

[0.25 ± 0.10]

Construction

Family

Resistance

(mΩ)

A

L

B

MST0603

R = 1

1.0

0.45

0.75

MST0603

R > 1

1.0

0.80

0.75

MST0805

1.5 ≤ R ≤ 3

1.4

0.80

1.2

1. The copper foil minimum thickness of PCB needs 3 oz.

2. PCB layout dimension tolerance is +/-0.1 mm.

3. The resistance will change slightly after soldered; it is dependent on PCB pad size deign

and it’s necessary to consider the effect of the resistance increase or decrease.

Part marking

Family

Marking

MST0603

No marking

MST0805