SPH-330.0 International Resistive Company (IRC), SPH-330.0 Datasheet

SPH-330.0

Manufacturer Part Number

SPH-330.0

Description

RESISTOR, WIREWOUND, 330OHM, 2W, 5%

Manufacturer

International Resistive Company (IRC)

Series

SPHr

Datasheet

1.SPHR100J.pdf (3 pages)

Specifications of SPH-330.0

Resistance

330ohm

Resistance Tolerance

Â± 5%

Power Rating

Temperature Coefficient

Â± 400ppm/Â°C

Resistor Element Material

Wirewound

Resistor Case Style

Axial Leaded

No. Of Pins

Rohs Compliant

Current page: 1 of 3
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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 SPH-330.0

SPH-330.0 Summary of contents

Page 1

... 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. A subsidiary of TT electronics plc SPH/SPF Series Issue December 2008 Sheet ...

Page 2

... No Failures 0.032 ± 0.002 1.50 ± 0.126 (0.813 ± 0.05) (38.1 ± 3.2) 0.032 ± 0.002 1.50 ± 0.126 (0.813 ± 0.05) (38.1 ± 3.2) SPH/SPF Series Issue December 2008 Sheet ...

Page 3

... SPH and SPF Temperature Rise Chart 150 125 0.1 ohm 1 ohm 100 10 ohm 100 ohm 75 1000 ohm 100 0 1500 100 150 Ambient Temperature (°C) 0 0.5 1.0 1.5 Power Input (watts) SPH/SPF Series Issue December 2008 Sheet 200 2.0 ...

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