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PBYR4020WT Datasheet

  • PBYR4020WT

  • Rectifier diodes schottky barrier

  • 5頁

  • PHILIPS

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Philips Semiconductors
Product specification
Rectifier diodes
schottky barrier
FEATURES
鈥?Low forward volt drop
鈥?Fast switching
鈥?Reverse surge capability
鈥?High thermal cycling performance
鈥?Low thermal resistance
PBYR4025WT series
SYMBOL
QUICK REFERENCE DATA
V
R
= 20 V / 25 V
I
O(AV)
= 40 A
V
F
鈮?/div>
0.46 V
SOT429 (TO247)
DESCRIPTION
a1
1
k 2
a2
3
GENERAL DESCRIPTION
Dual, common cathode schottky
rectifier diodes in a plastic
envelope. Intended for use as
output rectifiers in low voltage, high
frequency switched mode power
supplies.
The PBYR4025WT series is
supplied in the conventional leaded
SOT429 (TO247) package.
PINNING
PIN
1
2
3
tab
anode 1 (a)
cathode (k)
anode 2 (a)
cathode
1
2
3
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum System (IEC 134).
SYMBOL
V
RRM
V
RWM
V
R
I
O(AV)
I
FRM
I
FSM
PARAMETER
CONDITIONS
MIN.
-
-
-
-
-
-
-
-20
20
20
20
40
40
180
200
MAX.
-25
25
25
25
UNIT
V
V
V
A
A
A
A
Repetitive peak reverse voltage
Crest working reverse voltage
Continuous reverse voltage
T
mb
鈮?/div>
109 藲C
Average output current (both
diodes conducting)
Repetitive peak forward current
per diode
Non-repetitive peak forward
current, per diode
square wave;
未
= 0.5;
T
mb
鈮?/div>
128 藲C
t = 25
碌s; 未
= 0.5;
T
mb
鈮?/div>
128 藲C
t = 10 ms
t = 8.3 ms
sinusoidal T
j
= 125 藲C prior
to surge; with reapplied
V
RRM(max)
Repetitive peak reverse current t
p
= 2
碌s; 未
= 0.001
per diode
Storage temperature
Operating junction temperature
I
RRM
T
stg
T
j
-
-65
-
2
175
150
A
藲C
藲C
THERMAL RESISTANCES
SYMBOL
R
th j-mb
R
th j-a
PARAMETER
Thermal resistance junction to
mounting base
Thermal resistance junction to
ambient
CONDITIONS
per diode
both diodes
in free air
MIN.
-
-
-
TYP.
-
-
45
MAX.
1.5
1.0
-
UNIT
K/W
K/W
K/W
November 1998
1
Rev 1.100

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