MUR440 데이터 시트보기 (PDF) - ON Semiconductor

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MUR440

SWITCHMODE Power Rectifiers

ON Semiconductor 

MUR405, MUR410, MUR415, MUR420, MUR440, MUR460

NOTE 2 — AMBIENT MOUNTING DATA

Data shown for thermal resistance junction−to−ambient

(RqJA) for the mountings shown is to be used as typical

guideline values for preliminary engineering or in case the

tie point temperature cannot be measured.

TYPICAL VALUES FOR RqJA IN STILL AIR

Mounting

Method

1

2

RqJA

3

Lead Length, L (IN)

1/8 1/4 1/2 3/4

50 51 53 55

58 59 61 63

28

Units

°C/W

°C/W

°C/W

MOUNTING METHOD 1

P.C. Board Where Available Copper

Surface area is small.

L

L

ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ

MOUNTING METHOD 2

Vector Push−In Terminals T−28

ÉÉÉÉÉÉÉÉL ÉÉÉÉÉÉÉÉÉÉLÉÉÉÉÉÉ

MOUNTING METHOD 3

P.C. Board with

1−1/2″ x 1−1/2″ Copper Surface

ÉÉ L = 1/2″

ÉÉÉÉÉÉÉÉÉÉÉÉÉÉ Board Ground Plane

http://onsemi.com

6

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