NXP Semiconductors Product specification
Rectifier diodes BYT79 series
ultrafast
FEATURES SYMBOL QUICK REFERENCE DATA
• Low forward volt drop V
R
= 300 V/ 400 V/ 500 V
• Fast switching
• Soft recovery characteristic V
F
≤ 1.05 V
• High thermal cycling performance
• Low thermal resistance I
F(AV)
= 14 A
t
rr
≤ 60 ns
GENERAL DESCRIPTION PINNING SOD59 (TO220AC)
Ultra-fast, epitaxial rectifier diodes PIN DESCRIPTION
intended for use as output rectifiers
in high frequency switched mode 1 cathode
power supplies.
2 anode
The BYT79 series is supplied in the
conventional leaded SOD59 tab cathode
(TO220AC) package.
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum System (IEC 134).
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
BYT79 -300 -400 -500
V
RRM
Peak repetitive reverse voltage - 300 400 500 V
V
R
Continuous reverse voltage T
mb
≤ 147˚C - 300 400 500 V
I
F(AV)
Average forward current
1
square wave; δ = 0.5; - 14 A
T
mb
≤ 117 ˚C
I
FSM
Non-repetitive peak forward t = 10 ms - 130 A
current. t = 8.3 ms - 143 A
sinusoidal; with reapplied
V
RRM(max)
T
stg
Storage temperature -40 150 ˚C
T
j
Operating junction temperature - 150 ˚C
THERMAL RESISTANCES
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
R
th j-mb
Thermal resistance junction to - - 2.0 K/W
mounting base
R
th j-a
Thermal resistance junction to in free air. - 60 - K/W
ambient
k a
12
1
tab
2
1 Neglecting switching and reverse current losses
September 1998 1 Rev 1.300
