P4SMA6.8A thru P4SMA550CA
MAXIMUM RATINGS AND CHARACTERISTICS
(TA=25 oC unless otherwise noted)
Parameter
Symbol
Value
Unit
Peak pulse power dissipation with a 10/1000us waveform (1)(2)
(Fig. 1)
PPPM
400
W
Peak pulse current with a 10/1000us waveform (1) (Fig. 3)
IPPM
See Next Table
1.0
A
Power dissipation on infinite heatsink, TA=50oC
PM(AV)
W
Peak forward surge current, 8.3ms single half sine-wave
uni-directional only (2)
IFSM
40
A
Thermal resistance junction to ambient air (3)
RθJA
RθJL
120
30
oC/W
oC/W
oC
Thermal resistance junction to leads
Operating junction and storage temperature range
TJ, TSTG
-55 to +150
Notes:
1. Non-repetitive current pulse, per Fig. 3 and derated above TA=25oC per Fig. 2. Rating is 300W above 91V.
2. Mounted on 0.2 x 0.2” (5.0 x 5.0mm) copper pads to each terminal
3. Mounted on minimum recommended pad layout
08/23/2007 Rev.1.00
www.SiliconStandard.com
2
SSC [ SILICON STANDARD CORP. ]
