Document Number: 63081

For any questions, contact: foil@vishay.com

www.vishay.com

Revision: 19-Apr-07

2

SMN

High Precision Surface Mount 4 Resistor Network

Dual-In-Line Package with TCR Tracking

≤ 0.5 ppm/°C,

Tolerance Match of 0.01 % and Ratio Stability of 0.005 %

Vishay Foil Resistors

FIGURE 2 - POWER DERATING CURVE

FIGURE 3 - DIMENSIONS AND IMPRINTING

EXAMPLE in inches (millimeters)

125

55

90

80

- 60

- 40

- 20

0

20

40

60

80

100

120

70

140

70

60

50

40

30

20

10

0

100

110

Ambient Temperature (°C)

Seating

Plane

SMN

10K Q 5K0

B0219

0.050

(1.27)

0.0165 ± 0.0025

(0.42 ± 0.064)

0.197 ± 0.005

(5.00 ± 0.13)

0.0075 ± 0.0025

(0.191 ± 0.064)

0.068 ± 0.005

(1.73 ± 0.13)

0.008 ± 0.001

(0.20 ± 0.025)

0.028 ± 0.001

(0.71 ± 0.025)

2° - 6°

VALUE R1

DATE

CODE

V

RATIO

TOLERANCE CODE

VALUE R2

FIGURE 4 - TYPICAL TCR CURVE

(For more details, see table 2)

FIGURE 5 - TRIMMING TO VALUES

(Conceptual Illustration)

- 50

- 25

0

+ 20

+ 50

+ 75

+ 100

+ 125

- 55

+ 150

+ 100

+ 50

0

- 50

- 100

- 150

- 200

R

(ppm)

Ambient Temperature (°C)

± 2 ppm/°C (+ 25 °C reference)

Mutual Inductance

Reduction due

to Change in

Current Direction

Current Path

Before Trimming

Note: Foil shown in black, etched spaces in white

Interloop Capacitance

Reduction in Series

Trimming Process

Removes this Material

from Shorting Strip Area

Changing Current Path

and Increasing

Resistance

Current Path

After Trimming

FIGURE 6 - LAND PATTERN in inches (millimeters)

ZG

X

Y

C

D

E

MINIMUM

0.283

(7.19)

0.102

(2.59)

0.024

(0.61)

0.095

(2.41)

0.197

(5.00)

0.150

(3.81)

0.050

(1.27)

MAXIMUM

0.291

(7.39)

0.110

(2.79)

0.032

(0.81)

REFERENCE

D

C

EX

Z

G

Y