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PSMA5925B Datasheet, PDF (4/8 Pages) NXP Semiconductors – Voltage regulator diodes
Philips Semiconductors
Voltage regulator diodes
Product specification
PSMA5925B to PSMA5945B
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
Rth j-tp
Rth j-a
thermal resistance from junction to tie-point
thermal resistance from junction to ambient
CONDITIONS
note 1
note 2
VALUE
25
100
150
UNIT
K/W
K/W
K/W
Notes
1. Device mounted on an Al2O3 printed-circuit board, 0.7 mm thick; thickness of Cu-layer ≥35 µm, see Fig.5.
2. Device mounted on an epoxy-glass printed-circuit board, 1.5 mm thick; thickness of Cu-layer ≥40 µm, see Fig.5.
For more information please refer to the ‘General part of the associated handbook’.
1998 Dec 04
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