American Accurate Components,

METAL FOIL CURRENT SENSE RESISTORS

The content of this specification may change without notification 09/01/08

188 Technology Drive, Unit H Irvine, CA 92618

TEL: 949-453-9888

FAX: 949-453-8889

1

Custom solutions are available.

LR Series - Metal Foil Current Sense Resistor

*AAC has the ability to manufacture +2% tolerance as an option based on customer’s requirement.

HOW TO ORDER

LR01

R005

J

M

Packaging

M = Tape/Reel (4K/Reel, embossed tape)

Tolerance (%)

F = +1

G = +2*

J = +5

EIA Resistance Value

R005 = 0.005

Ω (5mΩ)

R002 = 0.002

Ω (2mΩ)

R001 = 0.001

Ω (1mΩ)

Series Size

LR01 = 2512, LR12=2010, LR18=1206

DIMENSIONS (mm)

Size

L

W

a

t

2512

6.4

± 0.2

3.2

± 0.2

2.0

± 0.2 (≤2mΩ)

0.9

± 0.2 (>mΩ)

0.6

± 0.2

2010

5.0

± 0.2

2.5

± 0.2

0.6

± 0.3

0.7

± 0.2

1206

3.3

± 0.2

1.6

± 0.2

0.5

± 0.2

0.7

± 0.2

RATING

Type

LR18 = 1206

LR12 = 2010

LR01 =2512

Power Rating

1/4W & 1/2W

1W

1W

2W

Resistance Value

5~20m

Ω

3~30m

Ω

1~50m

Ω

1~10m

Ω

Operation Temperature Range

-55

°C~+170°C

Temperature Coefficient of Resistance

±275ppm/°C

R≤1m

Ω

±100ppm/°C

1m

Ω<R≤10mΩ

±75ppm/°C

R>10m

Ω

Tolerance

±1%, ±2%, ±5%

Insulation Resistance

Over 100M

Ω

Maximum Working Voltage (V)

(P*R)

1/2

DERATING CURVE

If the ambient temperature exceeds 70°C, the rated power has to be derated

according to the power derating curve shown to the right.

FEATURES

Ultra Low Resistances (down to 1m

Ω)

Suitable for large current detecting

Extremely low TCR

Over coating: Molding compound

UL-94 V-0 grade

APPLICATIONS

Power unit (VRM) for CPU

Battery charges

Power Supply

DC/DC converter