SPH1500KLF IRCTT [IRC - a TT electronics Company.], SPH1500KLF Datasheet

SPH1500KLF

Manufacturer Part Number

SPH1500KLF

Description

General Purpose Failsafe Molded Wirewound Resistor

Manufacturer

IRCTT [IRC - a TT electronics Company.]

Datasheet

1.SPH1500KLF.pdf (3 pages)

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Electrical Data

SPH/SPF Series

•

General Note

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

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

Wire and Film Technologies Division

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

General Purpose Failsafe

Molded Wirewound Resistor

IRC Type

EIA RS-344 Style

MIL-R-11 Style

Resistance - Std.

Tolerance - Std.

Power Rating

Max. Continuous Working Voltage

Min. Insulation

Resistance

Min. Dielectric

Withstanding Volts

(RMS)

Hotspot Temperature Rise

Typical Load Life

Current Noise

SPF is fusible

±5%, ±10% tolerance

0.1 ohm to 2400 ohms

Weldable and solderable leads

2 watt rated with 1 watt dimensions

Drop-in replacement for BWH/BWF

Lead free, RoHS compliant construction available

TCR’s as low as ±150 ppm/°C standard (custom TC’s available)

Reduced Pressure

• 4222 South Staples Street • Corpus Christi Texas 78411 USA

ATM

Wet

Dry

Derating to 0 @ 160°C

145°C @ 2 watts

1 watt @ 115°C

0.1Ω to 2400Ω

2 watt @ 70°C

RC32/RC42

10,000 Meg

±5%, ±10%

Negligible

100 Meg

1000V

CRU2

625V

SPH

√

Derating to 0 @ 160°C

145°C @ 2 watts

1 watt @ 115°C

0.1Ω to 1000Ω

2 watt @ 70°C

RC32/RC42

10,000 Meg

±5%, ±10%

Negligible

100 Meg

1000V

CRU2

625V

SPF

√

1. Resistive Element

All resistor types have resistance alloy

winding on a braided ﬁberglass substrate.

Intermediate silicone coatings are used

to enhance processibility and to provide

protection to the resistive element.

2. Termination

The SPH and SPF resistors are terminated

using an alloy coated copper ﬂashed steel

lead welded to a cap of the same material.

This termination assembly is mechanically

crimped, utilizing an improved crimp design,

to the resistive element.

3. Encapsulation

The SPH and the SPF are encapsulated uti-

lizing a compression molded phenolic plastic

material. The SPF has a ﬂame resistance

coating applied over the resistive element

to provide flammability protection when

destructive overloads may occur.

4. Marking

All products are marked utilizing heat and

solvent resistant color code bands consistent

with EIA/MIL requirements. The ﬁrst band

is double width to designate wirewound

construction. A ﬁfth band, blue in color, is

used for ﬂameproof identiﬁcation.

(See notes below)

SPH/SPF Series Issue December 2008 Sheet 1 of 3

TT electronics plc

A subsidiary of

Related parts for SPH1500KLF

SPH1500KLF Summary of contents

Page 1

General Purpose Failsafe Molded Wirewound Resistor SPH/SPF Series • SPF is fusible • ±5%, ±10% tolerance • 0.1 ohm to 2400 ohms • Weldable and solderable leads • 2 watt rated with 1 watt dimensions • Drop-in replacement for BWH/BWF ...

Page 2

General Purpose Failsafe Molded Wirewound Resistor Environmental Data Test Temperature Coefﬁcient (ppm)* Dielectric Withstanding Voltage (RMS) Momentary Overload Low Temperature Operation Temperature Cycle Humidity Load Life Terminal Strength Resistance to Solder Heat Solderability Physical Data D IRC Type 0.562 ± ...

Page 3

General Purpose Failsafe Molded Wirewound Resistor SPH Power Derating Curve 2.5 2.0 1.5 1.0 0 100 Ambient Temperature (°C) SPF Typical Fusing Time (seconds) Ordering ...

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