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1N4001_12 Datasheet, PDF (4/7 Pages) Leshan Radio Company – General Purpose Plastic Rectifiers Reverse Voltage 50 to 1200V Forward Current 1.0A
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