Performance Data

General-Purpose Failsafe

Moulded Wirewound Resistors

SPH/SPF Series

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

94

Issue B · 03.02

Welwyn Components

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0.18 - 0.68 ±800

0.11 - 0.16 ±1000

0.75 -2400 ±400

0.18 - 0.68 ±800

0.75 - 1000 ±400

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Ambient Temperature (°C)

Ambient Temperature (°C)

SPH Power Derating

SPF Power Derating

Time (seconds)

0.1 ohm

1 ohm

10 ohm

100 ohm

1000 ohm

Power Input (watts)

SPF Typical Fusing

SPH & SFF Temperature Rise

Packaging

Resistors are supplied taped and reel. 4,000 pcs per reel.

*All ppm levels listed are maximum