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PBYR740B Datasheet

  • PBYR740B

  • Rectifier diodes Schottky barrier

  • 52.13KB

  • 6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
PBYR745B, PBYR745D series
SYMBOL
QUICK REFERENCE DATA
V
R
= 40 V/ 45 V
k
tab
a
3
I
F(AV)
= 7.5 A
V
F
鈮?/div>
0.57 V
GENERAL DESCRIPTION
Schottky rectifier diodes in a surface mounting plastic envelope. Intended for use as output rectifiers in low voltage,
high frequency switched mode power supplies.
The PBYR745B series is supplied in the SOT404 surface mounting package.
The PBYR745D series is supplied in the SOT428 surface mounting package.
PINNING
PIN
1
2
3
tab
DESCRIPTION
no connection
cathode
1
anode
cathode
SOT404
tab
SOT428
tab
2
1
3
1
2
3
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum System (IEC 134)
SYMBOL PARAMETER
CONDITIONS
PBYR7
PBYR7
V
RRM
V
RWM
V
R
I
F(AV)
I
FRM
I
FSM
Peak repetitive reverse
voltage
Working peak reverse
voltage
Continuous reverse voltage
Average rectified forward
current
Repetitive peak forward
current
Non-repetitive peak forward
current
-
-
T
mb
鈮?/div>
114 藲C
square wave;
未
= 0.5; T
mb
鈮?/div>
136 藲C
square wave;
未
= 0.5; T
mb
鈮?/div>
136 藲C
t = 10 ms
PBYR7..B
t = 8.3 ms
t = 10 ms
PBYR7..D
t = 8.3 ms
sinusoidal; T
j
= 125 藲C prior to
surge; with reapplied V
RRM(max)
pulse width and repetition rate
limited by T
j max
-
-
-
-
-
-
-
-
-
- 65
MIN.
40B
40D
40
40
40
7.5
15
135
150
100
110
1
150
175
MAX.
45B
45D
45
45
45
UNIT
V
V
V
A
A
A
A
A
A
A
藲C
藲C
I
RRM
T
j
T
stg
Peak repetitive reverse
surge current
Operating junction
temperature
Storage temperature
1.
It is not possible to make connection to pin 2 of the SOT404 or SOT428 package.
July 1998
1
Rev 1.200

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