Precision Resistors

Typ / type SMP

RHOPOINT COMPONENTS LTD

Holland Road, Hurst Green, Oxted, Surrey, RH8 9AX, ENGLAND

Tel: +44/01883 717988, Fax: +44/01883 712938, Email: sales@rhopointcomponents.com Website: www.rhopointcomponents.com

Ausgabe / Issue : 17/12/2001

SMP-1 / 3

Technische Änderungen vorbehalten - technical modifications reserved

Temperaturabhängigkeit des elektrischen Widerstandes von

MANGANIN-Widerständen

temperature dependence of the electrical resistance of

MANGANIN-resistors

-40

-20

20

40

60

80

100

120

-1

-0.5

0.5

1

∆R/R

Merkmale / features

1 Watt permanent power

constant current up to 14 Amps ( 5 mOhm )

extremly small size (2010)

excellent long term stability

high pulse power rating

mounting: reflow, wave and infrared soldering

Applikationen / application

current sensor for power hybrid applications

controll systems for the automotive market

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P

M

Sm

h

O

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0

1%

1

Lastminderungskurve

power derating curve

Lastminderungskurve

0

0,25

0,5

0,75

1

0

20

40

60

80

100

120

140

160

Kontaktstellentemperatur T

terminal temperature T

P/P

Nom

Technische Daten / technical data

Widerstandswerte

resistance values

5 mOhm – 1Ohm

Toleranz

tolerance

0.5%, 1%, 2%, 5%

Temperaturkoeffizient

temperature coefficient

< ±50 ppm/K ( 20 °Cbis 60 °C)

*

< ±50 ppm/K ( 20 °Cto 60 °C)

*

Temperaturbereich

applicable temperature range

-55 °C bis +135 °C-55 °C to +135 °C

Belastbarkeit

load capacity

1 Watt

Innerer Wärmewiderstand

( Folie / Kontakte )

internal heat resistance

( foil / terminals )

Rthi < 40 K/W

Isolationsspannung

dielectric withstanding voltage

200 V

Induktivität ( R = 10mOhm )

inductance ( R = 10 mOhm )

< 10 nH

Stabilität unter Nennlast

( Kontaktstellentemp. = 95 °C)

tability ( nominal load )

( Terminal temperature = 95 °C)

Abweichung < 0.5 % nach 2000 h

Deviation < 0.5 % after 2000 h

≥ 10 mOhm

valid for values

≥ 10 mOhm

Verfügbarkeit:Muster 12/01 Serie ab 3. Quartal 02

availability: