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The 20MQ040NPbF surface mount Schottky rectifier has been designed for applications requiring low forward drop and very small foot prints on PC boards. Typical applications are in disk drives, switching power supplies, converters, freewheeling diodes, battery charging, and reverse battery protection.
20MQ040NPBF Maximum Ratings
Parameter
Symbol
TEST CONDITIONS
VALUES
UNITS
Maximum average forward current See fig. 5
IF(AV)
50 % duty cycle at TC = 112 , rectangular wave
2.1
A
Maximum peak one cycle non-repetitive surge current per leg See fig. 7
IFSM
5 s sine or 3 s rect. pulse
Following any rated load condition and with rated VRRM applied
120
A
10 ms sine or 6 ms rect. pulse
30
Non-repetitive avalanche energy per leg
EAS
TJ = 25 , IAS = 1 A, L = 4 mH
3
mJ
Repetitive avalanche current per leg
IAR
Current decaying linearly to zero in 1 s Frequency limited by TJ maximum VA = 1.5 x VR typical
1
A
20MQ040NPBF Features
• Small foot print, surface mountable • Low forward voltage drop • High frequency operation • Guard ring for enhanced ruggedness and long term reliability • Lead (Pb)-free ("PbF" suffix) • Designed and qualified for industrial level