Document Number: 63127

For any questions, contact: foil@vishay.com

www.vishay.com

Revision: 11-Jun-07

4

VPR221SZ (Z-Foil)

Ultra High Precision Z-Foil Surface Mount Power Resistor

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

of 4 ppm/W and Load Life Stability of ± 0.005 % (50 ppm)

Vishay Foil Resistors

Note

* For non-standard requests, please contact Application Engineering.

TABLE 4 - GLOBAL PART NUMBER INFORMATION

NEW GLOBAL PART NUMBER: Y2123420R220T9L (preferred part number format)

DENOTES PRECISION

VALUE

AER*

YR =

Ω

0 = Standard

9 = Lead (Pb)-free

1 - 999 = Custom

PRODUCT CODE

RESISTANCE TOLERANCE

PACKAGING

2123 = VPR221SZ

T = ± 0.01 %

Q = ± 0.02 %

A = ± 0.05 %

B = ± 0.1 %

C = ± 0.25 %

D = ± 0.5 %

F = ± 1.0 %

L = Bulk

FOR EXAMPLE: ABOVE GLOBAL ORDER Y2123 420R220 T 9 L:

TYPE: VPR221SZ

VALUE: 420.22

Ω

ABSOLUTE TOLERANCE: ± 0.01 %

TERMINATION: Lead (Pb)-free

PACKAGING: Bulk

HISTORICAL PART NUMBER: VPR221SZ T 420R22 TCR0.2 T B (will continue to be used)

VPR221SZ

T

420R22

TCR0.2

T

B

MODEL

TERMINATION

OHMIC VALUE

TCR

CHARACTERISTIC

ABSOLUTE

TOLERANCE

PACKAGING

T = Lead (Pb)-free

none = Tin/Lead

420.22

Ω

TCR0.2

T = ± 0.01 %

Q = ± 0.02 %

A = ± 0.05 %

B = ± 0.1 %

C = ± 0.25 %

D = ± 0.5 %

F = ± 1.0 %

B = Bulk

1

234

0

R

2

2

Y2

T9

2

L

0