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PDF PBYR740B Data sheet ( Hoja de datos )
| Número de pieza | PBYR740B | |
| Descripción | Rectifier diodes Schottky barrier | |
| Fabricantes | NXP Semiconductors | |
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Philips Semiconductors
Rectifier diodes
Schottky barrier
Product specification
PBYR745B, PBYR745D series
FEATURES
• Low forward volt drop
• Fast switching
• Reverse surge capability
• High thermal cycling performance
• Low thermal resistance
SYMBOL
k
tab
QUICK REFERENCE DATA
VR = 40 V/ 45 V
a
3 IF(AV) = 7.5 A
VF ≤ 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
SOT404
SOT428
PIN DESCRIPTION
1 no connection
tab
tab
2 cathode1
3 anode
22
tab cathode
13
13
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum System (IEC 134)
SYMBOL PARAMETER
CONDITIONS
MIN.
VRRM
VRWM
VR
Peak repetitive reverse
voltage
Working peak reverse
voltage
Continuous reverse voltage
Tmb ≤ 114 ˚C
PBYR7
PBYR7
-
-
-
IF(AV) Average rectified forward square wave; δ = 0.5; Tmb ≤ 136 ˚C -
current
IFRM
Repetitive peak forward
square wave; δ = 0.5; Tmb ≤ 136 ˚C -
current
IFSM Non-repetitive peak forward t = 10 ms
current
t = 8.3 ms
PBYR7..B
-
-
t = 10 ms
PBYR7..D -
t = 8.3 ms
-
sinusoidal; Tj = 125 ˚C prior to
surge; with reapplied VRRM(max)
IRRM Peak repetitive reverse pulse width and repetition rate
surge current
limited by Tj max
Tj Operating junction
temperature
-
-
Tstg Storage temperature
- 65
1. It is not possible to make connection to pin 2 of the SOT404 or SOT428 package.
MAX.
40B 45B
40D 45D
40 45
40 45
40 45
7.5
15
135
150
100
110
1
150
175
UNIT
V
V
V
A
A
A
A
A
A
A
˚C
˚C
July 1998
1 Rev 1.200
1 page  
Philips Semiconductors
Rectifier diodes
Schottky barrier
Product specification
PBYR745B, PBYR745D series
MECHANICAL DATA
Dimensions in mm : Net Mass: 1.4 g
6.73 max
tab
1.1
seating plane
2.38 max
0.93 max
5.4
6.22 max
10.4 max
4 min
4.6
1
2.285 (x2)
2
3
0.5 min
0.8 max
(x2)
0.5
0.3
0.5
Fig.9. SOT428 : centre pin connected to mounting base.
MOUNTING INSTRUCTIONS
Dimensions in mm
7.0
7.0
2.15 1.5
2.5
4.57
Fig.10. SOT428 : soldering pattern for surface mounting.
Notes
1. Observe the general handling precautions for electrostatic-discharge sensitive devices (ESDs) to prevent
damage to MOS gate oxide.
2. Epoxy meets UL94 V0 at 1/8".
July 1998
5 Rev 1.200
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet PBYR740B.PDF ] | |
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