Data Sheet

1N5400 thru 1N5408
http://onsemi.com
3
Lead Length, L (IN)
Mounting
Method
1/8 1/4 1/2
1
2
3
50
58
R
q
JA
51 53
59 61
28
°C/W
°C/W
°C/W
TYPICAL VALUES FOR R
q
JA
IN STILL AIR
Data shown for thermal resistance junction−to−ambient (R
qJA
) 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.
NOTE 1 — AMBIENT MOUNTING DATA
MOUNTING METHOD 1
P.C. Board Where Available
Copper Surface area is small
MOUNTING METHOD 2
Vector Push−In Terminals T−28
MOUNTING METHOD 3
P.C. Board with
1−1/2” x 1−1/2”
Copper Surface
3/4
55
63
L L
L L
L = 1/2”
Board Ground Plane