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PMEGXX05EH_EJ_SER_2

Product data sheet

Rev. 02 — 13 January 2010

4 of 13

Nexperia

PMEGxx05EH/EJ series

0.5 A very low VF MEGA Schottky barrier rectifiers

6.

Thermal characteristics

[1]

Schottky barrier diodes thermal run-away has to be considered, as in some applications the reverse power

losses PR are a significant part of the total power losses. Nomograms for determining the reverse power

losses PR and IF(AV) rating will be available on request.

[2]

Device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint.

[3]

Device mounted on an FR4 PCB, single-sided copper, tin-plated, mounting pad for cathode 1 cm2.

Table 7.

Thermal characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Rth(j-a)

thermal resistance from junction

to ambient

in free air

[1][2]

SOD123F

-

-

330

K/W

SOD323F

-

-

350

K/W

[1][3] --

150

K/W

Rth(j-sp)

thermal resistance from junction

to solder point

SOD123F

-

-

60

K/W

SOD323F

-

-

55

K/W