1
Rectifier Device Data
Advance Information
Surface Mount
Schottky Power Rectifier
SMB Power Surface Mount Package
. . . employing the Schottky Barrier principle in a metaltosilicon power
rectifier. Features epitaxial construction with oxide passivation and metal
overlay contact. Ideally suited for low voltage, high frequency switching power
supplies; free wheeling diodes and polarity protection diodes.
Compact Package with JBend Leads Ideal for Automated Handling
Highly Stable Oxide Passivated Junction
Guardring for OverVoltage Protection
Low Forward Voltage Drop
Mechanical Characteristics:
Case: Molded Epoxy
Epoxy Meets UL94, VO at 1/8
Weight: 95 mg (approximately)
Polarity: Notch in Plastic Body Indicates Cathode Lead
Maximum Temperature of 260
C/10 Seconds for Soldering
Available in 12 mm Tape, 2500 Units per 13
Reel, Add "T3" Suffix to Part Number
Finish: All External Surfaces Corrosion Resistant and Terminal Leads are Readily Solderable
Marking: 2BL4
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
40
Volts
Average Rectified Forward Current (At Rated VR, TC = 100
C)
IO
2.0
Amps
Peak Repetitive Forward Current
(At Rated VR, Square Wave, 20 kHz, TC = 105
C)
IFRM
4.0
Amps
NonRepetitive Peak Surge Current
(Surge applied at rated load conditions, halfwave, single phase, 60 Hz)
IFSM
25
Amps
Storage / Operating Case Temperature
Tstg, TC
55 to +150
C
Operating Junction Temperature
TJ
55 to +125
C
Voltage Rate of Change (Rated VR, TJ = 25
C)
dv/dt
10,000
V/
m
s
THERMAL CHARACTERISTICS
Thermal Resistance -- JunctiontoLead (2)
Thermal Resistance -- JunctiontoAmbient (3)
R
JL
R
JA
18
78
C/W
ELECTRICAL CHARACTERISTICS
Maximum Instantaneous Forward Voltage (1), see Figure 2
VF
TJ = 25
C
TJ = 125
C
Volts
Maximum Instantaneous Forward Voltage (1), see Figure 2
(IF = 2.0 A)
(IF = 4.0 A)
0.43
0.54
0.375
0.55
Maximum Instantaneous Reverse Current, see Figure 4
IR
TJ = 25
C
TJ = 100
C
mA
Maximum Instantaneous Reverse Current, see Figure 4
(VR = 40 V)
(VR = 20 V)
2.0
0.50
60
40
This document contains information on a new product. Specifications and information herein are subject to change without notice.
(1) Pulse Test: Pulse Width
250
s, Duty Cycle
2.0%.
(2) Mounted with minimum recommended pad size, PC Board FR4.
(3) 1 inch square pad size (1 x 0.5 inch for each lead) on FR4 board.
Motorola, Inc. 1998
Order this document
by MBRS240LT3/D
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
MBRS240LT3
SCHOTTKY BARRIER
RECTIFIER
2.0 AMPERES
40 VOLTS
CASE 403A03
SMB
MBRS240LT3
2
Rectifier Device Data
Figure 1. Typical Forward Voltage
Figure 2. Maximum Forward Voltage
Figure 3. Typical Reverse Current
Figure 4. Maximum Reverse Current
Figure 5. Current Derating
Figure 6. Forward Power Dissipation
0.6
0.0
VF, INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
10
1.0
40
0
VR, REVERSE VOLTAGE (VOLTS)
100E3
10E3
1.0E3
100E6
10E6
40
80
20
TL, LEAD TEMPERATURE (
C)
2.0
1.0
0
IO, AVERAGE FORWARD CURRENT (AMPS)
0.5
2.0
0
1.6
1.2
1.0
0.4
0
60
I F
, INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
(AMPS)
I
0.1
0.2
0.4
0.8
10
20
30
, A
VERAGE
FOR
W
ARD
CURRENT
(AMPS)
I O
140
120
1.0
1.5
0.6
P
FO
,
A
VERAGE POWER DISSIP
A
TION
(W
A
TTS)
TJ = 125
C
85
C
25
C
40
C
VF, MAXIMUM INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
I F
, INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
(AMPS)
, REVERSE CURRENT
(AMPS)
R
40
0
VR, REVERSE VOLTAGE (VOLTS)
100E3
10E3
1.0E3
100E6
10E6
I
10
20
30
, MAXIMUM REVERSE CURRENT
(AMPS)
R
3.0
FREQ = 20 kHz
TJ = 125
C
85
C
25
C
100
C
25
C
SQUARE WAVE
Ipk/Io =
p
Ipk/Io = 5.0
Ipk/Io = 10
Ipk/Io = 20
SQUARE WAVE
Ipk/Io =
p
Ipk/Io = 5.0
Ipk/Io = 10
Ipk/Io = 20
3.5
1.5
0.5
2.5
3.5
2.5
3.0
0.2
0.8
1.4
0.5
0.1
0.3
0.7
0.6
0.0
10
1.0
0.1
0.2
0.4
TJ = 125
C
85
C
25
C
0.5
0.1
0.3
0.7
0.8
dc
100
0
dc
MBRS240LT3
4
Rectifier Device Data
PACKAGE DIMENSIONS
CASE 403A03
ISSUE C
A
S
D
B
J
P
K
C
H
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. D DIMENSION SHALL BE MEASURED WITHIN
DIMENSION P.
DIM
MIN
MAX
MIN
MAX
MILLIMETERS
INCHES
A
0.160
0.180
4.06
4.57
B
0.130
0.150
3.30
3.81
C
0.075
0.095
1.90
2.41
D
0.077
0.083
1.96
2.11
H
0.0020
0.0060
0.051
0.152
J
0.006
0.012
0.15
0.30
K
0.030
0.050
0.76
1.27
P
0.020 REF
0.51 REF
S
0.205
0.220
5.21
5.59
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MBRS240LT3/D
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