1N4001 查看數據表（PDF） - ON Semiconductor

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1N4001

Axial Lead Standard Recovery Rectifiers

ON Semiconductor 

1N4001, 1N4002, 1N4003, 1N4004, 1N4005, 1N4006, 1N4007

NOTE 1. − 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

1/8 1/4 1/2

52 65 72

67 80 87

50

Units

°C/W

°C/W

°C/W

MOUNTING METHOD 1

L

L

ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ

MOUNTING METHOD 2

ÉÉÉÉÉÉÉÉL ÉÉÉÉÉÉÉÉÉÉLÉÉÉÉÉÉ

Vector Pin Mounting

MOUNTING METHOD 3

ÉÉ L = 3/8″

ÉÉÉÉÉÉÉÉÉÉÉÉ Board Ground Plane

P.C. Board with

1−1/2″ X 1−1/2″ Copper Surface

http://onsemi.com

4

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