Philips PBYR735B, PBYR735D, PBYR740B, PBYR740D, PBYR745D Datasheet
Philips Semiconductors Product specification
Rectifier diodes PBYR745B, PBYR745D series
Schottky barrier
FEATURES SYMBOL QUICK REFERENCE DATA
• Low forward volt drop
• Fast switching V
R
= 40 V/ 45 V
• Reverse surge capability
• High thermal cycling performance I
F(AV)
= 7.5 A
• Low thermal resistance
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
2 cathode
1
3 anode
tab cathode
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum System (IEC 134)
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
PBYR7 40B 45B
PBYR7 40D 45D
V
RRM
Peak repetitive reverse - 40 45 V
voltage
V
RWM
Working peak reverse - 40 45 V
voltage
V
R
Continuous reverse voltage Tmb ≤ 114 ˚C - 40 45 V
I
F(AV)
Average rectified forward square wave; δ = 0.5; Tmb ≤ 136 ˚C - 7.5 A
current
I
FRM
Repetitive peak forward square wave; δ = 0.5; Tmb ≤ 136 ˚C - 15 A
current
I
FSM
Non-repetitive peak forward t = 10 ms PBYR7..B - 135 A
current t = 8.3 ms - 150 A
t = 10 ms PBYR7..D - 100 A
t = 8.3 ms - 110 A
sinusoidal; Tj = 125 ˚C prior to
surge; with reapplied V
RRM(max)
I
RRM
Peak repetitive reverse pulse width and repetition rate - 1 A
surge current limited by T
j max
T
j
Operating junction - 150 ˚C
temperature
T
stg
Storage temperature - 65 175 ˚C
1. It is not possible to make connection to pin 2 of the SOT404 or SOT428 package.
k a
tab 3
123
tab
13
tab
2
July 1998 1 Rev 1.200
Philips Semiconductors Product specification
Rectifier diodes PBYR745B, PBYR745D series
Schottky barrier
THERMAL RESISTANCES
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
R
th j-mb
Thermal resistance junction - - 3 K/W
to mounting base
R
th j-a
Thermal resistance junction pcb mounted, minimum footprint, FR4 - 50 - K/W
to ambient board
ELECTRICAL CHARACTERISTICS
Tj = 25 ˚C unless otherwise specified
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
V
F
Forward voltage IF = 7.5 A; Tj = 125˚C - 0.45 0.57 V
IF = 15 A; Tj = 125˚C - 0.65 0.72 V
IF = 15 A - 0.64 0.84 V
I
R
Reverse current VR = V
RWM
- 0.13 1 mA
VR = V
RWM
; Tj = 100˚C - 17 22 mA
C
d
Junction capacitance VR = 5 V; f = 1 MHz, Tj = 25˚C to 125˚C - 270 - pF
July 1998 2 Rev 1.200
Loading...