Datasheet

Technical Data
Data Sheet N0674, Rev. A
 China - Germany - Korea - Singapore - United States 
 http://www.smc-diodes.com - sales@ smc-diodes.com 
30BQ040
30BQ040 SCHOTTKY RECTIFIER
Characteristics
Symbol
Condition
Max.
Units
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
-
40
V
Average Rectified Forward Current
I
F (AV)
50% duty cycle @T
C
=118°C,
rectangular wave form
3.0
A
Peak One Cycle Non-Repetitive Surge
Current
I
FSM
8.3 ms, half Sine pulse, T
C
=25°C
132
A
Characteristics
Symbol
Condition
Typ.
Max.
Units
Forward Voltage Drop*
V
F1
@ 3 A, Pulse, T
J
= 25 °C
@ 6 A, Pulse, T
J
= 25 °C
0.50
0.65
0.53
0.68
V
V
F2
@ 3 A, Pulse, T
J
= 125 °C
@ 6 A, Pulse, T
J
= 125°C
0.40
0.55
0.43
0.57
V
Reverse Current*
I
R1
@V
R
= Rated V
R
, Pulse, T
J
= 25 °C
0.01
0.5
mA
I
R2
@V
R
= Rated V
R
, Pulse, T
J
= 100 °C
7
30
mA
Junction Capacitance
C
T
@V
R
= 5V, T
C
= 25 °C
f
SIG
= 1MHz
130
230
pF
Series Inductance
L
S
Measured lead to lead 5 mm from
package body
3.0
-
nH
Voltage Rate of Change
dv/dt
-
-
10,000
V/s
* Pulse width < 300 µs, duty cycle < 2%
Features
Circuit Diagram
Applications
Maximum Ratings:
Electrical Characteristics:
 Disk Drives
 Switching power supply
 Redundant power subsystems
 Converters
 Free-Wheeling diodes
 Reverse battery protection
 Battery Charging
 Small foot print, surface moutable
 Low forward voltage drop
 High frequency operation
 Guard ring for enhanced ruggedness and long term
reliability
 This is a Pb − Free Device
 All SMC parts are traceable to the wafer lot
 Additional testing can be offered upon request
SMC