B340LB
Vishay General Semiconductor
www.vishay.com
High Current Density Surface-Mount Schottky Rectifier
FEATURES
• Guardring for overvoltage protection
• Low profile package
• Ideal for automated placement
• Low power loss, high efficiency
• Very low forward voltage drop
• High surge capability
Available
• Meets MSL level 1, per J-STD-020, LF maximum peak of
260 °C
SMB (DO-214AA)
Cathode Anode
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
LINKS TO ADDITIONAL RESOURCES
TYPICAL APPLICATIONS
For use in low voltage, high frequency inverters,
freewheeling, DC/DC converters, and polarity protection
application.
3
D
3D Models
MECHANICAL DATA
PRIMARY CHARACTERISTICS
IF(AV)
3.0 A
40 V
Case: SMB (DO-214AA)
Molding compound meets UL 94 V-0 flammability rating
VRRM
Base P/N-E3
-
RoHS-compliant, commercial grade
IFSM
100 A
0.34 V
150 °C
Base P/N-M3 - halogen-free, RoHS-compliant, commercial
grade
VF atIF =3.0A
TJ max.
Terminals: matte tin plated leads, solderable per
J-STD-002 and JESD 22-B102
E3 and M3 suffix meets JESD 201 class 2 whisker test
Package
SMB (DO-214AA)
Single
Circuit configurations
Polarity: color band denotes cathode end
MAXIMUM RATINGS (TA = 25 °C unless otherwise noted)
PARAMETER
SYMBOL
B340LB
B34
UNIT
Device marking code
Maximum repetitive peak reverse voltage
Maximum RMS voltage
VRRM
VRMS
VDC
40
28
V
A
Maximum DC blocking voltage
40
Maximum average forward rectified current at TL (fig. 1)
Peak forward surge current 8.3 ms single half sine-wave superimposed on rated load
Voltage rate of change (rated VR)
IF(AV)
3.0
IFSM
100
dV/dt
TJ, TSTG
10 000
-65 to +150
V/μs
°C
Operating junction and storage temperature range
ELECTRICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER
SYMBOL
TEST CONDITIONS
TYP.
0.43
0.34
-
MAX.
0.45
0.38
0.4
UNIT
TJ = 25 °C
(1)
Maximum instantaneous forward voltage
VF
3.0 A
Rated VR
V
TJ = 125 °C
TJ = 25 °C
TJ = 125 °C
(2)
Maximum reverse current at
IR
mA
26
40
Notes
(1)
Pulse test: 300 μs pulse width, 1 % duty cycle
Pulse test: Pulse width ≤ 40 ms
(2)
Revision: 11-Mar-2021
Document Number: 89039
1
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000