Y16235R00000A9L datasheet(2/4 Pages) VISHAY

Part #	Y16235R00000A9L

Description	Ultra High Precision Z-Foil Surface Mount Power Resistors in TO-220 Configuration with TCR of ± 0.05 ppm/°C,

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Manufacturer	VISHAY [Vishay Siliconix]

Direct Link	http://www.vishay.com

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Document Number: 63068

For any questions, contact: foil@vishay.com

www.vishay.com

Revision: 06-Aug-07

2

VPR220SZ (Z-Foil)

Ultra High Precision Z-Foil Surface Mount Power Resistors

in TO-220 Configuration with TCR of ± 0.05 ppm/°C,

Tolerance to ± 0.01 % and Power Rating to 8 W

Vishay Foil Resistors

FIGURE 1 - POWER DERATING CURVE

Ambient Temperature (°C)

+ 150

+ 125

+ 100

+ 75

+ 50

+ 25

0

- 25

- 50

+ 100

+ 75

+ 50

+ 25

0

- 55 °C

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 - VPR220SZ 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 4 - VPR220SZ DIMENSIONS

in inches (millimeters)

0.400 ± 0.010

(10.16 ± 0.25)

VISHAY

VPR220SZ

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)

FIGURE 5 - LAND PATTERN DIMENSIONS in inches (millimeters)

0.050 ± 0.010

(1.27 ± 0.25)

0.120 ± 0.010

(3.05 ± 0.25)

0.200 ± 0.005

(5.08 ± 0.13)

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