Document Number: 63050

For any questions, contact: foil@vishay.com

www.vishay.com

Revision: 29-Feb-08

3

VPR220S, VPR221S

Mount Resistors in TO-220 Configuration with TCR of

± 2 ppm/°C, Tolerance of to ± 0.01 % and Power Rating to 8 W

Vishay Foil Resistors

FIGURE 4 - VPR220S AND VPR221S FORMING DIMENSIONS in inches (millimeters)

0.365 (9.27) Ref

0.050 ± 0.005

(1.27 ± 0.13)

0.150 ± 0.008

(3.81 ± 0.20)

0.015 ± 0.002

(0.38 ± 0.05)

0.078 ± 0.005

(1.98 ± 0.13)

Heat Sink

0.695 ± 0.010

(17.65 ± 0.25)

0.090 ± 0.010

(2.29 ± 0.25)

0.090 (2.286) Ref

0.110 (2.79) Ref

Flush with Heat Sink

Within ± 0.002 (± 0.05)

Before Forming

After Forming

FIGURE 5 - VPR220S DIMENSIONS

in inches (millimeters)

FIGURE 6 - VPR220S LAND PATTERN

DIMENSIONS in inches (millimeters)

0.400 ± 0.010

(10.16 ± 0.25)

VISHAY

VPR220S

1K0 1 %

0101

0.115 ± 0.005

(2.92 ± 0.13)

0.245 ± 0.010

(6.22 ± 0.25)

0.200 ± 0.030

(5.08 ± 0.76)

0.200 ± 0.005

(5.08 ± 0.13)

0.030 ± 0.002

(0.76 ± 0.05)

0.050 ± 0.005

(1.27 ± 0.13)

0.141 ± 0.005 Diameter

(3.58 ± 0.13)

0.050 ± 0.010

(1.27 ± 0.25)

0.120 ± 0.010

(3.05 ± 0.25)

0.200 ± 0.005

(5.08 ± 0.13)

FIGURE 7 - VPR221S DIMENSIONS

in inches (millimeters)

FIGURE 8 - VPR221S LAND PATTERN

DIMENSIONS in inches (millimeters)

E

2

0.050 ± 0.005

(1.27 ± 0.13)

0.150 ± 0.008

(3.81 ± 0.20)

0.615 Max.

(15.62)

0.078 ± 0.005

(1.98 ± 0.13)

0.015 ± 0.002

(0.38 ± 0.05)

0.030 ± 0.002

(0.76 ± 0.05)

0.100 ± 0.005

(2.54 ± 0.13)

0.400 ± 0.010

(10.16 ± 0.25)

VISHAY

1R0 1 %

0101

0.245 ± 0.010

(6.22 ± 0.25)

0.141 ± 0.005 Diameter

(3.58 ± 0.13)

0.540 ± 0.040

(13.72 ± 1.02)

0.115 ± 0.005

(2.92 ± 0.13)

0.050 ± 0.005

(1.27 ± 0.13)

0.200 ± 0.030

(5.08 ± 0.76)

E

1

I

2

I

1

VPR221S

0.050 ± 0.010

(1.27 ± 0.25)

0.120 ± 0.010

(3.05 ± 0.25)

0.10 ± 0.005

(2.54 ± 0.12)