BZX79 NXP Semiconductors, BZX79 Datasheet - Page 6

• Manufacturer Part Number: BZX79
• Description: Low-power voltage regulator diodes in hermetically sealedleaded glass SOD27 (DO-35) packages
• Manufacturer: NXP Semiconductors

NXP Semiconductors
THERMAL CHARACTERISTICS
Note
1. Device mounted on a printed circuit-board without metallization pad.
GRAPHICAL DATA
2002 Feb 27
R
R
handbook, full pagewidth
SYMBOL
Voltage regulator diodes
th j-tp
th j-a
R th j-a
(K/W)
10
10
10
1
3
2
10
−1
thermal resistance from junction to tie-point lead length 8 mm.
thermal resistance from junction to ambient lead length max.; see Fig.2 and note 1
Fig.2 Thermal resistance from junction to ambient as a function of pulse duration.
1
PARAMETER
δ = 1
0.75
0.50
0.33
0.20
0.10
0.05
0.02
0.01
≤0.001
10
10
6
2
CONDITIONS
10
3
t p
10
4
T
BZX79 series
t p (ms)
VALUE
Product data sheet
δ
300
380
=
t p
T
MBG930
10
5
UNIT
K/W
K/W