General-Purpose Failsafe

Moulded Wirewound Resistors

SPH/SPF Series

Make Possible

07.14

General Note

TT Electronics reserves the right to make changes in product specification without notice or liability.

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

© TT Electronics plc

www.ttelectronicsresistors.com

General Purpose Failsafe

Molded Wirewound Resistor

SPH/SPF Series

www.bitechnologies.com www.irctt.com www.welwyn-tt.com

General Note

TT electronics reserves the right to make changes in product specification without notice or liability.

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

© TT electronics plc

01.14

• 4222 South Staples Street • Corpus Christi Texas 78411 USA

Wire and Film Technologies Division

Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com

Dimensions (Inches and (mm))

Type

A

B

C

D

SPH

0.562 ± 0.010

(14.3 ± 0.25)

0.225 ± 0.008

(5.72 ± 0.20)

0.032 ± 0.002

(0.813 ± 0.05)

1.50 ± 0.126

(38.1 ± 3.2)

SPF

0.562 ± 0.010

(14.3 ± 0.25)

0.225 ± 0.008

(5.72 ± 0.20)

0.032 ± 0.002

(0.813 ± 0.05)

1.50 ± 0.126

(38.1 ± 3.2)

Physical Data

C

D

A

B

General Purpose Failsafe

Molded Wirewound Resistor

Environmental Data

Test

SPH

SPF

Temperature Coefficient (ppm)*

0.1

Ω - 0.16Ω ± 1000

0.18

Ω - 0.68Ω ± 800

0.75

Ω - 2400Ω ± 400

0.10

Ω ± 1700

0.11

Ω - 0.16Ω ± 1000

0.18

Ω - 0.68Ω ± 800

0.75

Ω - 1000Ω ± 400

Dielectric Withstanding Voltage (RMS)

1000V

1000V

Momentary Overload

5%

5%

Low Temperature Operation

5%

5%

Temperature Cycle

5%

5%

Humidity

5%

5%

Load Life

5%

5%

Terminal Strength

5%

5%

Resistance to Solder Heat

5%

5%

Solderability

No Failures

No Failures

SPH/SPF Series Issue December 2008 Sheet 2 of 3