Datasheet > PBV

PBV

更新时间： 2022-12-29 04:11:29

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Precision Resistor

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PBV 数据手册

Precision Resistor Type PBV

Spec Sheet R361-1/2 July 97

Technical Data

Resistance range

Tolerances

0.5 mOhm - 1 Ohm

0.5 %, 1 %, 5 %

Temperature coefficient ( R > 10 mOhm )

Applicable temperature range

Load capacity

< 30 ppm/K ( 20 °C to 60 °C )

-55 °C to +125 °C

3 W / 10 W with heatsink provided

Rth < 3 K/W

Thermal resistance to aluminum base plate

Thermal resistance to ambient

Dielectric withstanding voltage

Inductance ( R = 50 mOhm )

Rth < 15 K/W

500 V AC

< 5 nH

Stability ( nominal load at 70 °C )

deviation < 0.5 % after 2,000 h

Remarks:

- Standard resistance values according to E12 with the additionel values of 2 and 5

- Minimum quantity of other values on request

- Tolerance 0.5% for values from 4,7 mOhm

Thefour-terminalresistortypePBVderivedfromtypePBH spring clamp to a heatsink, whereby the large area of the

is especially designed for the low impedance range, in base plate will provide excellent heat transfer. The low

order to obtain lowest temperature coefficient values, and thermal resistance between resistor foil and aluminum

in order to guarantee the independence of the resistance base plate warrants for a low temperature rise at nominal

value from the soldering quality. The use of the precision loadinthisconfigurationandpermitstransientoverloading

resistance material MANGANIN combined with a highly up to one magnitude.

temperatureresistantandhumidityinsusceptibleDuroplast

cover as well as optimization of layout and lines result in a The resistor is ideally suited for applications in power

highlongtermstability,lowtemperaturecoefficientandlow

inductance.

electronic and control technique, as most applications at

inductiveloadingwillrequireoperationwithswitchedpower

regulating units.

The shape is compatible with the latest power transistors.

The resistor is mounted through a center bore or

Short connection distances and small dimensions at high

load capacity and low inductance are a prerequi-

site to obtain high switching frequencies.

P / P _Nenn

0.75

0.5

0.25

100

120

T_G/ [^oC]

power derating curve

∆R/R₂₀[%]

0.2

-40 -20

80 100 120

T [^oC]

-0.2

-0.4

Temperature dependence of the electrical resistance

of ISA-PLAN Resistors

dimensions (mm)

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