SCHOTTKY DIODE 0.5 Amp
MBR0540PbF
1
Bulletin PD-21132 rev. A 08/06
www.irf.com
Major Ratings and Characteristics
IF(AV) (DC) 0.5 A
VRRM 40 V
IFSM @ tp= 10 ms sine 6.0 A
VF@ 0.5Apk, TJ= 100°C 0.42 V
TJrange - 65 to 150 °C
Characteristics Value Units
Case Styles
SOD123
IF(AV) = 0.5Amp
VR = 40V
This Schottky diode is ideally suited for low voltage, high
frequency operation, as freewheeling and polarity protection.
Small size of the package allows proper use in application
where compact size is critical, fitting also the GSM and
PCMCIA requirement.
Surface mountable
Very low forward voltage drop
Extremely fast switching
Negligible switching losses
Guard ring for enhanced ruggedness and long term
reliability
Lead-Free ("PbF" suffix)
Description/ Features
21
(A) (K)
MBR0540PbF
2
Bulletin PD-21132 rev. A 08/06
www.irf.com
(*) dPtot 1
dTj Rth( j-a)
Part number Value
VRMax. DC Reverse Voltage (V)
VRWM Max. Working Peak Reverse Voltage (V) 40
Voltage Ratings
IFForward Current 0.5 A DC, TL = 122°C
IFSM Max. Peak One Cycle Non-Repetitive 50 A 5μs Sine or 3μs Rect. pulse
Surge Current, @ TJ
= 25°C 6.0 A 10ms Sine or 6ms Rect. pulse
Parameters Value Units Conditions
Absolute Maximum Ratings
Following any rated
load condition and
with rated VRRM applied
TJMax. Junction Temperature Range (*) - 65 to 150 °C
Tstg Max. Storage Temperature Range - 65 to 150 °C
RthJL Max. Thermal Resistance Junction 150 °C/W Mounted on PC board FR4 with minimum pad size
to Lead
Rth(j-a) Max. Thermal Resistance Junction 200 °C/W 1 inch square pad size (1 x 0.5 inch for each lead) on
to Ambient FR4 board
Wt Approximate Weight 0.012 g
Case Style SOD123
Device Marking CYWLC
Thermal-Mechanical Specifications
Parameters Value Units Conditions
VFM Max. Forward Voltage Drop (1) 0.480 V @ 0.5A TJ = 25°C
0.560 V @ 1A
VFM Max. Forward Voltage Drop (1) 0.420 V @ 0.5A TJ = 100°C
0.520 V @ 1A
IRM Max. Reverse Leakage (1) 10 μAV
R = 20V TJ = 25°C
Current 5 mA VR = 20V TJ = 100°C
20 μAV
R = 40V TJ = 25°C
13 mA VR = 40V TJ = 100°C
CTMax. Junction Capacitance 60 pF VR = 5VDC (test signal range 100KHz to 1Mhz), TJ = 25°C
dv/dt Max. Voltage Rate of Change 10000 V/μs
(Rated VR)
Electrical Specifications
Parameters Value Units Conditions
(1) Pulse Width < 300μs, Duty Cycle < 2%
< thermal runaway condition for a diode on its own heatsink
MBR0540PbF
3
Bulletin PD-21132 rev. A 08/06
www.irf.com
Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage (Per Leg)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage (Per Leg)
Fig. 1 - Max. Forward Voltage Drop Characteris-
tics (Per Leg)
Forward Voltage Drop - VFM (V)
Instantaneous Forward Current - I
F (A)
Reverse Voltage - VR (V)
Reverse Current - I R (mA)
Reverse Voltage - VR (V)
Junction Capacitance - C T (p F)
0
.01
0.1
1
10
0 0.2 0.4 0.6 0.8 1
Tj = 150˚C
Tj = 125˚C
Tj = 25˚C
0
.0001
0.001
0.01
0.1
1
10
100
0 5 10 15 20 25 30 35 40
125˚C
100˚C
75˚C
50˚C
25˚C
Tj = 150˚C
10
100
1
000
010203040
T = 25˚C
J
MBR0540PbF
4
Bulletin PD-21132 rev. A 08/06
www.irf.com
Fig. 5 - Forward Power Loss Characteris-
tics
Average Forward Current - IF(AV) (A)
Average Power Loss (Watts)
Fig. 6 - Max. Non-Repetitive Surge Current
Square Wave Pulse Duration - tp (microsec)
Non-Repetitive Surge Current - I FSM (A)
Fig. 4 - Max. Allowable Case Temperature
Vs. Average Forward Current
Average Forward Current - I F(AV) (A)
Allowable Case Temperature (°C)
(2) Formula used: TC = TJ - Pd x RthJC
;
Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 4)
80
90
1
00
1
10
1
20
1
30
1
40
1
50
1
60
0 0.2 0.4 0.6 0.8
DC
see note (2)
Square wave
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
0
0
.1
0
.2
0
.3
0
.4
0 0.2 0.4 0.6 0.8
DC
RMS Limit
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
1
10
1
00
10 100 1000 10000
At Any Rated Load Condition
And With Rated Vrrm Applied
Following Surge
MBR0540PbF
5
Bulletin PD-21132 rev. A 08/06
www.irf.com
Outline Table
SOD123
Ordering Information Table
Device Package Marking Base qty Delivery mode
MBR0540 SOD-123 CYWLC 3000 Tape & Reel
Tape & Reel Information
Dimensions in millimeters
B
L
K
H
J
A
1
2
C
α
SOLDERING PAD
DIM Millimeters Inches
Min Max Min Max
A 0.55 0.70 0.022 0.028
B 1.40 1.70 0.055 0.067
C 3.55 3.85 0.140 0.152
H 2.55 2.85 0.100 0.112
J - 0.10 - 0.004
K 0.95 1.35 0.037 0.053
L - 0.5 - 0.02
M - 0.15 - 0.006
α 8° 8°C
4.19 mm
0.165"
2.36 mm
0.093"
1.22 mm
0.048"
0.91 mm
0.036"
21
(A) (K)
cathode band
MBR0540PbF
6
Bulletin PD-21132 rev. A 08/06
www.irf.com
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105
TAC Fax: (310) 252-7309
Visit us at www.irf.com for sales contact information. 08/06
Data and specifications subject to change without notice.
This product has been designed and qualified for Industrial Level for Industrial Level.
Qualification Standards can be found on IR's Web site.
