Riedon Inc.

300CypressAvenue

AlhambraCA91801

(626)284-9901

(626)284-1704

www.riedon.com

Page23

rev.03/2006A

0

20

40

60

80

100

120

25

50

75

85

100

115

130

Temperature of the backplate (°C)

0.5%

0.1%

0.2%

Temperature Coefficient

Dimensions

Derating

PrecisionPowerShuntResistors

-15ppm/K

+15ppm/K

Nominal ∆R/R

Limit 2 (3σ)

Limit 1 (3σ)

Temperature(°C)

4000

2000

0

-2000

-4000

-6000

-8000

-20

0

-40

80

140

120

100

60

20

40

100

ResistanceValue(mOhm)

5

150

10

200

20

50

2

200

0

250

50 100

tableA

Dimension

mm

tol.

(±mm)

inches

tol.

(±inches)

B

80.00

0.3

3.15

0.012

C

60.00

0.3

2.36

0.012

D

Ø4.75

0.2

Ø0.19

0.008

E

15.00

0.2

0.59

0.008

F

67.00

0.3

2.64

0.012

G

2.00

0.1

0.08

0.004

Dimension

8065

mm

80110

mm

80216

mm

80320

mm

80370

mm

tol.

(±mm)

8065

inches

80110

inches

80216

inches

80320

inches

80370

inches

tol.

(±inches)

A

65.00

110.00

216.00

320.00

370.00

0.3

2.56

4.33

8.50

12.60

14.57

0.012

L1

6.00

6.00

6.00

6.00

6.00

0.3

0.24

0.24

0.24

0.24

0.24

0.012

L2

59.00

104.00

108.00

108.50

125.50

0.3

2.32

4.09

4.25

4.27

4.94

0.012

L3

210.00

211.50

244.50

0.3

8.27

8.33

9.63

0.012

L4

314.00

364.00

0.3

12.36

14.33

0.012

PowerRatingNotes-

TheFHRSeriesResistorsmustbeattachedtoasuitableheat-

sink. The maximum internal resistor temperature is 130°C.

Tospecifyanappropriateheatsinkusethefollowingformula:

R

q

Where: R

q

R

q

T

T

P=PowerThroughResistor(W)