Fairchild MBR0540 service manual
SOD123
Mark: B4
Actual Size
Features
• 0.5 ampere; forward voltage less than 460 mv.
• 400 milliwatt Power Dissipation package.
• Compact surface mount package with same
footprint as mini-melf.
Schottky Rectifiers
MBR0540
MBR0540
SOD123
Color Band Denotes Cathode
Mark: B4
Absolute Maximum Ratings* T
Symbol
V
Maximum Repetitive Reverse Voltage 40 V
RRM
I
Average Rectified Forward Current 500 mA
F(AV)
I
T
TJ
FSM
stg
Non-repetitive Peak Forward Surge Current
half wave, single phase, 60 Hz
Storage Temperature Range -65 to +150
Operating Junction Temperature -65 to +125
Parameter
= 25°C unless otherwise noted
A
Value
5.5 A
*These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
Thermal Characteristics
Symbol
R
JA
θ
R
JL
θ
Thermal Resistance, Junction to Ambient * 206
Thermal Resistance, Junction to Lead ** 118
*1.0 inch" pad size (1.0 x 0.5 inch for each lead) on FR4 board.
**Device mounted on FR-4 PCB 0.013 mm.
Electrical Characteristics T
Symbol
VF Forward Voltage @ IF = 500 mA,
IR Reverse Current @ VR = 20 V,
Parameter
Parameter
= 25°C unless otherwise noted
A
= 500 mA, TA = 100°C
IF
= 1.0 A,
IF
= 1.0 A, TA = 100°C
IF
= 20 V, TA = 100°C
VR
= 40 V,
VR
= 40 V, TA = 100°C
VR
Value
510
10
Value
460
620
610
5.0
20
13
Units
C
°
C
°
Units
C/W
°
C/W
°
Units
mV
mV
mV
mV
µA
mA
µA
mA
2001 Fairchild Semiconductor Corporation
MBR0540, Rev. B
T ypical Characteristics
MBR0540
Schottky Rectifier
(continued)
5
2
[A]
F
1
0.5
0.2
0.1
Forward Current, I
0.05
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
100 C
Forward Voltage, VF [V]
25 C
Figure 1. Forward Voltage Characteristics
120
100
[pF]
T
80
60
40
20
Total Capacitance, C
0
0 5 10 15 20 25 30 35 40
[mA]
R
0.1
0.01
0.001
Reverse Current, I
0.0001
Figure 2. Reverse Current vs Reverse Voltage
T = +25 C
Reverse Voltage, VR [V]
5
1
125 C
100 C
75 C
25 C
0 5 10 15 20 25 30 35 40
A
Reverse Voltage, VR[V]
Figure 3. Total Capacitance
MBR0540, Rev. B
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