PFRR

www.vishay.com

Vishay

Revision: 19-Nov-14

4

Document Number: 53046

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

Vishay Sfernice thin film is the first passive manufacturer

to

hold

the

ESCC

Technology

Flow

Qualification,

official certificate is available on ESCIES web site

This qualification open the door to a new concept at ESA:



The Failure Rate option (similar to the one offered in the MIL

system), for instance R failure rate: 0.01 % per 1000 h.

New specifications describing this new concept have been

released by the ESA:

2544001:

Requirements

for

the

Technology

Flow

Qualification of Film Resistors



https://escies.org/escc/specifications/2544001.pdf

26000: Failure Rate Level Sampling Plans and Procedures



https://escies.org/escc/specifications/26000.pdf

21300: Terms, Definitions, Abbreviations, Symbols and Units

https://escies.org/escc/specifications/21300.pdf

21700: General Requirements for the Marking of the ESCC

Components



https://escies.org/escc/specifications/21700.pdf

4001: Generic Specification Resistors Fixed Film



https://escies.org/escc/specifications/4001.pdf

4001023: Resistors, Fixed, Chip, Thin Film, Type PHR

and PFRR



https://escies.org/escc/specifications/4001023.pdf

Parts are delivered with space C.O.C.

Parts undergo 100 % overload at end of production

process.

ESCC/PFRR CODIFICATION CORRESPONDANCE TABLES

POWER DERATING CURVE

EXTENDED FEATURES

You may consult Vishay Sfernice for chip sizes, ohmic

values and tolerances outside of the qualified range.

VARIANT

MODEL

CASE SIZE

TERMINATION

15

PFRR

0402

B (tin/lead)

09

PFRR

0603

B (tin/lead)

10

PFRR

0805

B (tin/lead)

11

PFRR

1206

B (tin/lead)

12

PFRR

1210

B (tin/lead)

TEMPERATURE COEFFICIENT

ESCC CODE

PFRR CODE

10 ppm/°C (- 55 °C; + 155 °C)

1

Y

25 ppm/°C (- 55 °C; + 155 °C)

2

E

TOLERANCE

MODEL

CASE SIZE

0.1 %

B

B

0.05 %

W

W

PACKAGING

Two types of packaging are available: waffle-pack and tape

and reel.

SIZE

NUMBER OF PIECES PER PACKAGE

TAPE

WIDTH

WAFFLE

PACK

2" × 2"

TAPE AND REEL

MIN.

MAX.

0402

340

100

5000

8 mm

0603

100

0805

4000

1206

140

2010

60

2000

0

1206

AMBIENT TEMPERATURE IN °C

070

155

0603

0805

2010

500

250

125

100

0402

50