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W0603

TaNFilm® Precision Chip Resistors

Welwyn Components Limited 

TaNFilm® Precision

Chip Resistors

PFC Series

• Military parts available: MIL-PRF - 55342

• Passivated TaNFilm® element

• Wrap-around termination

• TCR to ±10 ppm/°C

• Tolerance to ±0.02%

• Leach resistant nickel barrier termination

Welwyn Components

Electrical Data

Power Rating at 70°C

Maximum Voltage Rating

Operating Temperature Range

Noise

Substrate

watts

volts

°C

dB

W0603

0.1

75

W0805

0.25

100

-55°C to +150°C

Less than -25

High purity alumina

W1206

0.33

200

Manufacturing Capabilities

TCR

(ppm/°C)

±100

±50

W0603

Ohmic

Range

Available

Tolerances

5 - 100KΩ

5 - 100KΩ

J, G, F, D

J, G, F, D, B

10 - 75KΩ

J, G, F, D, B

±25

50 - 100KΩ

J, G, F, D, B, A

±15

N/A

N/A

±10

N/A

N/A

W0805

Ohmic

Range

Available

Tolerances

5 - 267KΩ

10 - 267KΩ

10 - 267KΩ

50 - 267KΩ

201 - 267KΩ

50 - 267KΩ

201 - 267KΩ

100 - 100KΩ

J, G, F, D

J, G, F, D, B

J, G, F, D, B

J, G, F, D, B, A

J, G, F, D, B, A, Q

J, G, F, D, B, A

J, G, F, D, B, A, Q

J, G, F, D, B, A

W1206

Ohmic

Range

Available

Tolerances

5 - 1MΩ

10 - 1MΩ

10 - 1MΩ

50 - 1MΩ

201 - 1MΩ

50 - 1MΩ

201 - 1MΩ

100 - 250KΩ

J, G, F, D

J, G, F, D, B

J, G, F, D, B

J, G, F, D, B, A

J, G, F, D, B, A, Q

J, G, F, D, B, A

J, G, F, D, B, A, Q

J, G, F, D, B, A

The TaNFilm® PFC chip resistor series provides the high

temperature and ultra stable performance of our Tantalum

Nitride Resistive Film System in 1206, 0805 and 0603 sizes.

The unique characteristics of the passivated Tantalum Nitride

film insure long term life stability and superior moisture

performance.

Specially selected materials and processes insure initial

precision is maintained in the harshest surface mount

soldering environment. Solder coated wrap-around

terminations with leach-resistant nickel barriers insure high

integrity solder connections. A MIL-PRF-55342 qualified

version of this product is also available.

General Note

Welwyn Components reserves the right to make changes in product specification without notice or liability.

All information is subject to Welwyn’s own data and is considered accurate at time of going to print.

© Welwyn Components Limited · Bedlington, Northumberland NE22 7AA, UK

Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com

A subsidiary of

TT electronics plc

Issue D · 10.03

25

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