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ISA-PLAN

// PRECISION RESISTORS

SMK // Size 1206

Isabellenhütte Heusler GmbH & Co. KG // sales.components@isabellenhuette.de // Issue 08-January-2019 // Current valid issue: see www.isabellenhuette.de

▪ Current sensor for power hybrid applications

▪ Control systems for the automotive market

▪ Power modules

▪ Frequency converters

▪ Switch mode power supplies

▪ 1 W power rating at 110 °C

▪ Constant current up to 11 A (8 mOhm)

▪ Excellent long-term stability

▪ High pulse power rating

▪ Mounting: Reflow-, and IR-soldering

▪ RoHS 2011/65/EU compliant

▪ AEC-Q200 qualified

Features

Applications

Technical data

Resistance values mOhm 5 to 500

Tolerance % 1* / 5

Temperature coefcient (20-60 °C) ppm/K

R <15 mΩ : <100

R ≥15 mΩ : <50

Applicable temperature range °C -65 to +170

Power rating W 1

Internal heat resistance (R

thi

) K/W <60

Dielectric withstanding voltage V AC/DC 200

Inductance nH <3

Stability (Nominal load) deviation after 2000h

= Terminal temperature

<0.5 % (T

=80 °C)

<1.0 % (T

=110 °C)

* from 10 mOhm

Ordering code

SMK - R010 - 5.0

Tolerance

Resistance value [Ohm] / "R" represents decimal point

Type

Summary of content (4 pages)

PAGE 1
ISA-PLAN® // PRECISION RESISTORS SMK // Size 1206 Features ▪ 1 W power rating at 110 °C ▪ Constant current up to 11 A (8 mOhm) ▪ E xcellent long-term stability ▪ High pulse power rating ▪ Mounting: Reflow-, and IR-soldering ▪ RoHS 2011/65/EU compliant ▪ AEC-Q200 qualified Applications ▪ Current sensor for power hybrid applications ▪ Control systems for the automotive market ▪ Power modules ▪ Frequency converters ▪ Switch mode power supplies Technical data Resistance values Tolerance mOhm %
PAGE 2
ISA-PLAN® // PRECISION RESISTORS SMK // Size 1206 Recommended solder profile With differing pcb-layout geometry it is possible that the measured resistance value can vary. Slight deformations during soldering do not affect technical properties of the component.
PAGE 3
ISA-PLAN® // PRECISION RESISTORS SMK // Size 1206 Temperature dependence of the electrical resistance of MANGANIN® resistors Power derating curve dR/R20 [%] P/P Nom 1,25 1,0 1 0,5 0,75 0,0 0,5 -0,5 0,25 -1,0 -70-65 -40 -10 TCR = 0 ppm/K 20 50 TCR = -50 ppm/K 80 TCR = +50 ppm/K 110 140 170 0 0 20 40 60 Temperature [°C] 80 100 120 140 160 180 Terminal temperature TK [°C] Stability < 1.0 % Improved stability < 0.5 % Mechanical dimensions [mm] Isabellenhütte Heusler GmbH & Co.
PAGE 4
ISA-PLAN® // PRECISION RESISTORS SMK // Size 1206 Maximum pulse energy respectively pulse power for permanent operation 1000 100 1000 10 100 1 10 0,1 1 0,01 Power [W] Pulse energy [J] 10000 10000 0,001 0,1 0,01 0,0001 0,0001 0,001 0,01 0,1 1 10 100 Pulse width [sec] SMK-R008 SMK-R500 Disclaimer // All products, product specifications and data are subject to change without notice.