Philips PBYR340CTD, PBYR345CTD Datasheet
Philips Semiconductors Product specification
Rectifier diodes PBYR345CTD series
Schottky barrier
FEATURES SYMBOL QUICK REFERENCE DATA
• Low forward volt drop
• Fast switching V
• Reverse surge capability
• High thermal cycling performance I
a1
13
a2
• Low thermal resistance
k
2
GENERAL DESCRIPTION PINNING SOT428
= 40 V/ 45 V
R
= 3 A
O(AV)
VF ≤ 0.57 V
Dual schottky rectifier diodes PIN DESCRIPTION
tab
intended foruse as output rectifiers
in low voltage, high frequency 1 anode 1
switched mode power supplies.
2 cathode
1
The PBYR345CTD series is
supplied in the SOT428 surface 3 anode 2
mounting package.
2
tab cathode
1
3
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum System (IEC 134)
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
V
V
V
I
O(AV)
I
FRM
I
FSM
I
RRM
T
T
RRM
RWM
R
j
stg
Peak repetitive reverse - 40 45 V
voltage
Working peak reverse - 40 45 V
voltage
Continuous reverse voltage Tmb ≤ 115 ˚C - 40 45 V
Average rectified output square wave; δ = 0.5; - 3 A
current (both diodes Tmb ≤ 142 ˚C
conducting)
Repetitive peak forward square wave; δ = 0.5; - 3 A
current per diode Tmb ≤ 142 ˚C
Non-repetitive peak forward t = 10 ms - 55 A
current per diode t = 8.3 ms - 60 A
sinusoidal; Tj = 125 ˚C prior to
surge; with reapplied V
Peak repetitive reverse pulse width and repetition rate - 1 A
surge current per diode limited by T
Operating junction - 150 ˚C
j max
temperature
Storage temperature - 65 175 ˚C
PBYR3 40CTD 45CTD
RRM(max)
1 it is not possible to make connection to pin 2 of the SOT428 package
September 1998 1 Rev 1.100
Philips Semiconductors Product specification
Rectifier diodes PBYR345CTD series
Schottky barrier
THERMAL RESISTANCES
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
R
th j-mb
R
th j-a
ELECTRICAL CHARACTERISTICS
All characteristics are per diode at Tj = 25 ˚C unless otherwise specified
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
V
F
I
R
C
d
Thermal resistance junction per diode - - 5 K/W
to mounting base both diodes - - 4 K/W
Thermal resistance junction pcb mounted, minimum footprint, FR4 - 50 - K/W
to ambient board
Forward voltage IF = 1.5 A; Tj = 125˚C - 0.51 0.57 V
IF = 3 A; Tj = 125˚C - 0.62 0.7 V
IF = 3 A - 0.71 0.84 V
Reverse current VR = V
Junction capacitance VR = 5 V; f = 1 MHz, Tj = 25˚C to 125˚C - 65 - pF
VR = V
RWM
; Tj = 100˚C - 3.2 8 mA
RWM
- 0.05 0.2 mA
September 1998 2 Rev 1.100
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