Datasheet 1N5400, 1N5401, 1N5402, 1N5404, 1N5406, 1N5407, 1N5408 (ON Semiconductor) - 3

1N5400 thru 1N5408 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 R
q
JA IN STILL AIR Mounting Lead Length, L (IN) R
q
JA Method 1/8 1/4 1/2 3/4
1 50 51 53 55 °C/W 2 58 59 61 63 °C/W 3 28 °C/W
MOUNTING METHOD 1 MOUNTING METHOD 3 P.C. Board Where Available P.C. Board with Copper Surface area is small 1−1/2” x 1−1/2” Copper Surface L L L = 1/2”
ÉÉÉÉÉÉÉÉÉ ÉÉ ÉÉ
MOUNTING METHOD 2 Vector Push−In Terminals T−28
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Board Ground Plane
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L L
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