Fairchild MBRS140 service manual
MBRS140
Features
• Compact Surface Mount with J-bend Leads (SMB)
• 1.5 Watt Power Dissipation Package
• 1.0 Ampere, Forward Voltage Less than 600mV
Schottky Rectifier
SMB (DO-214AA)
Color Band Denotes Cathode
Mark: B140
MBRS140
Absolute Maximum Ratings *
Symbol Parameter Value Units
V
RRM
I
F(AV)
I
FSM
T
STG
T
J
* These ratings are limiting values above which the serviceability of the diode may be impaired.
Maximum Repetitive Reverse Voltage 40 V
Average Rectified Forward Current @ TL = 120°C1.0A
Non-repetitive Peak Forward Surge Current
(8.3ms, Single hale sine wave)
Storage Temperature Range -65 to +150 °C
Operating Junction Temperature -65 to +125 °C
TA = 25°C unless otherwise noted
40 A
Thermal Characteristics
Symbol Parameter Value Units
R
θJL
Electrical Characteristics
Symbol Parameter Min. Max. Units
V
F
I
R
Thermal Resistance Junctionto Lead 12 °C/W
TA=25°C unless otherwise noted
Forward Voltage @ IF = 1.0A 600 mV
Reverse Leakage VR = 40V
= 40V, TA = 100°C
V
R
1.0
10
mA
mA
©2004 Fairchild Semiconductor Corporation MBRS140, Rev. B2
Typical Characteristics
0 5 10 15 20 25 30 35 40
0.0001
0.001
0.01
0.1
1
5
Reverse Voltage, VR[V]
Reverse Current, I
R
[mA]
25 C
125 C
100 C
75 C
5
2
[A]
F
1
0.5
0.2
Forward Current, I
0.1
0.05
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Figure 1. Forward Voltage Characteristics
100 C
Forward Voltage, VF [V]
MBRS140
25 C
Figure 2. Reverse Current vs Reverse Voltage
120
[pF]
100
T
T = +25 C
A
80
60
40
20
Total Capacitance, C
0
0 5 10 15 20 25 30 35 40
Reverse Voltage, VR [V]
Figure 3. Total Capacitance
©2004 Fairchild Semiconductor Corporation MBRS140, Rev. B2
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