NXP Semiconductors Product specification
Dual rectifier diodes BYV44 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
≤ 1.12 V
• High thermal cycling performance
• Low thermal resistance I
O(AV)
= 30 A
t
rr
≤ 60 ns
GENERAL DESCRIPTION PINNING SOT78 (TO220AB)
Dual, common cathode, ultra-fast, PIN DESCRIPTION
epitaxial rectifier diodes intended
for use as output rectifiers in high 1 anode 1
frequency switched mode power
supplies. 2 cathode
The BYV44 series is supplied in the 3 anode 2
conventional leaded SOT78
(TO220AB) package. tab cathode
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum System (IEC 134).
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
BYV44 -300 -400 -500
V
RRM
Peak repetitive reverse voltage - 300 400 500 V
V
RWM
Crest working reverse voltage - 300 400 500 V
V
R
Continuous reverse voltage T
mb
≤ 136˚C - 300 400 500 V
I
O(AV)
Average rectified output current square wave; δ = 0.5; - 30 A
(both diodes conducting)
1
T
mb
≤ 94 ˚C
I
FRM
Repetitive peak forward current t = 25 µs; δ = 0.5; - 30 A
per diode T
mb
≤ 94 ˚C
I
FSM
Non-repetitive peak forward t = 10 ms - 150 A
current per diode. t = 8.3 ms - 160 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-hs
Thermal resistance junction to per diode - - 2.4 K/W
heatsink both diodes conducting - - 1.4 K/W
R
th j-a
Thermal resistance junction to in free air. - 60 - K/W
ambient
k
a1
a2
13
2
123
tab
1 Neglecting switching and reverse current losses.
For output currents in excess of 20 A, the cathode connection should be made to the metal mounting tab.
October 1998 1 Rev 1.400