FIGURE 2 - TRIMMING TO VALUES



(Conceptual Illustration)

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 3 - TYPICAL RESISTANCE/

TEMPERATURE CURVE

+ 200

+ 100

0

- 100

- 200

- 300

- 500

- 55

- 25

+ 25

+ 60

+ 75

+ 100

+ 125

ΔR

R

(ppm)

0

0.05 ppm/°C

- 0.1 ppm/°C

0.1 ppm/°C

0.14 ppm/°C

0.2 ppm/°C

- 0.16 ppm/°C

- 400

+ 300

+ 400

Ambient Temperature (°C) and TCR Chord Slopes for

Different Temperature Ranges

Note

• The TCR values for < 100

 are influenced by the termination

composition and result in deviation from this curve

TABLE 2 - DIMENSIONS AND LAND PATTERN

in Inches (Millimeters)

Top View

D

T

W

L

(Year/Week)

Recommended Land Pattern

Footprint

Z

G

X

CHIP

SIZE

L

± 0.005 (0.13)

W

± 0.005 (0.13)

THICKNESS

MAXIMUM

D

± 0.005 (0.13)

0603

0.063 (1.60)

0.032 (0.81)

0.025 (0.64)

0.011 (0.28)

0.102 (2.59)

0.031 (0.78)

0.031(0.78)

0805

0.080 (2.03)

0.050 (1.27)

0.025 (0.64)

0.015 (0.38)

0.122 (3.10)

0.028 (0.71)

0.050 (1.27)

1206

0.126 (3.20)

0.062 (1.57)

0.025 (0.64)

0.020 (0.51)

0.175 (4.45)

0.059 (1.50)

0.071 (1.80)

1506

0.150 (3.81)

0.062 (1.57)

0.025 (0.64)

0.020 (0.51)

0.199 (5.05)

0.083 (2.11)

0.071 (1.80)

2010

0.198 (5.03)

0.097 (2.46)

0.025 (0.64)

0.025 (0.64)

0.247 (6.27)

0.115 (2.92)

0.103 (2.62)

2018

0.204 (5.18)

0.184 (4.67)

0.025 (0.64)

0.018 (0.46)

0.248 (6.3)

0.146 (3.71)

0.184 (4.67)

2512

0.249 (6.32)

0.127 (3.23)

0.025 (0.64)

0.032 (0.81)

0.291 (7.39)

0.150 (3.81)

0.127 (3.23)

VSMP Series (0603, 0805, 1206, 1506, 2010, 2018, 2512) (Z-Foil)

Vishay Foil Resistors

www.vishayfoilresistors.com

Document Number: 63060

2

Revision: 29-Oct-2012

Note

TABLE 3 - SPECIFICATIONS

CHIP



SIZE

RATED

POWER

(mW)

at + 70 °C

MAX.

WORKING

VOLTAGE

(

 PR

 )

RESISTANCE

RANGE

(

)*

MAXIMUM

WEIGHT

(mg)

0603

100

20 V

100 to 4K

3

0805

200

40 V

5

to 8K

6

1206

300

87 V

5

to 25K

11

1506

300

95 V

5

to 30K

12

2010

500

187 V

5

to 70K

27

2018

750

122 V

5

to 20K

40

2512

750

220 V

5

to 125K

40

* For non standard values please contact VFR’s application

engineering using the e-mail addresses in the footer below.

TABLE 4 - LOAD LIFE STABILITY



(+ 70 °C for 2000 h)

CHIP SIZE

MAXIMUM

R LIMITS

0603

± 0.005 % at 50 mW



± 0.01 % at 100 mW

0805

± 0.005 % at 100 mW



± 0.01 % at 200 mW

1206, 1506

± 0.005 % at 150 mW



± 0.01 % at 300 mW

2010

± 0.005 % at 200 mW



± 0.01 % at 500 mW

2018

± 0.005 % at 500 mW



± 0.01 % at 750 mW

2512

± 0.005 % at 500 mW



± 0.01 % at 750 mW