Notes: 1. Part mounted on 50.8mm X 50.8mm GETEK board with 25.4mm X 25.4mm copper pad, 25% anode, 75% cathode.
2. Part mounted on FR-4 board with 1.8mm X 2.5mm cathode and 1.8mm X 1.2mm anode, 1 oz. copper pads.
3. Theoretical R
qJS
calculated from the top center of the die straight down to the PCB cathode tab solder junction.
4. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see
EU Directive Annex Notes 5 and 7.
e
3
e
3
DFLS140L
1.0A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
Features
Guard Ring Die Construction for Transient Protection
Low Power Loss, High Efficiency
High Surge Capability
High Current Capability and Low Forward Voltage Drop
Lead Free Finish, RoHS Compliant (Note 4)
"Green" Molding Compound (No Br, Sb)
Qualified to AEC-Q101 Standards for High Reliability
DS30490 Rev. 2 - 2
1 of 3
DFLS140L
PowerDI is a trademark of Diodes Incorporated.
www.diodes.com
Diodes Incorporated
B
A
A
C
E
L4
L
L1
E
H
D
L3
L2
Mechanical Data
Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%.
NEW
P
RODUCT
PowerDI
123
Dim
Min
Max
Typ
A
3.65
3.75
3.70
B
2.775
2.825
2.80
C
1.750
1.800
1.775
D
0.955
1.000
0.98
E
0.95
1.05
1.00
H
0.15
0.25
0.20
L
0.60
0.70
0.65
L1
--
--
1.36
L2
--
--
1.10
L3
--
--
0.20
L4
0.95
1.25
1.05
All Dimensions in mm
Characteristic
Symbol
Value
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
40
V
RMS Reverse Voltage
V
R(RMS)
28
V
Average Forward Current @ T
T
= 120C
I
F(AV)
1.0
A
Non-Repetitive Peak Forward Surge Current 8.3ms
single half sine-wave superimposed on rated load
I
FSM
50
A
Operating Temperature Range
T
j
-55 to +125
C
Storage Temperature Range
T
STG
-55 to +150
C
Maximum Ratings
@ T
A
= 25
C unless otherwise specified
Case: PowerDI
123
Case Material: Molded Plastic, "Green" Molding
Compound. UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020C
Terminal Connections: Cathode Band
Terminals: Finish Matte Tin annealed over Copper
leadframe. Solderable per MIL-STD-202,
Method 208
Marking & Type Code Information: See Page 3
Weight: 0.096 grams (approx.)
Ordering Information: See Last Page
@ T
A
= 25C unless otherwise specified
Thermal Characteristics
Characteristic
Symbol
Value
Unit
Power Dissipation (Note 1)
P
D
1.67
W
Power Dissipation (Note 2)
P
D
556
mW
Thermal Resistance Junction to Ambient (Note 1)
R
qJA
60
C/W
Thermal Resistance Junction to Ambient (Note 2)
R
qJA
180
C/W
Thermal Resistance Junction to Soldering (Note 3)
R
qJS
10
C/W
SPICE MODEL: DFLS140L
DS30490 Rev. 2 - 2
2 of 3
DFLS140L
PowerDI is a trademark of Diodes Incorporated.
www.diodes.com
NEW
P
RODUCT
0
1.0
2.0
0 10
30
50
70
90
110
130
150
I
,
A
VERAGE
FOR
W
A
RD
CURRENT
(A)
F(A
V)
T , TERMINAL TEMPERATURE (C)
T
Fig. 1, Forward Current Derating Curve
0.2
0.4
0.0001
0.001
0.01
0.1
10
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
F
I
,
INST
ANT
A
NE
O
US
F
O
R
W
ARD
CURRENT
(A)
F
1
0
0.8
0.6
T = 25 C
A
T = 85 C
A
T = 100 C
A
T = 125 C
A
T = -40 C
A
10
1.0
100
10,000
1000
0.1
0.001
0.01
0
5
10
15
20
25
30
35
40
V , REVERSE VOLTAGE (V)
Fig. 3, Typical Pulsed Reverse Characteristics
R
T = 25 C
A
T = 85 C
A
T = 100 C
A
T = 125 C
A
T = -40 C
A
C
,
T
O
T
A
L
C
AP
ACIT
ANCE
(pF)
T
V , REVERSE VOLTAGE (V)
R
Fig. 4, Typical Total Capacitance vs Reverse Voltage
0
5
10
15
0
30
60
90
120
150
180
210
240
270
300
20
25
30
f = 1MHz
Characteristic
Symbol
Min
Typ
Max
Unit
Test Condition
Reverse Breakdown Voltage (Note 5)
V
(BR)R
40
V
I
R
= 500
mA
Forward Voltage (Note 5)
V
F
0.36
0.30
0.55
0.515
0.85
0.88
V
I
F
= 0.1A, T
J
= 25
C
I
F
= 0.1A, T
J
= 85
C
I
F
= 1.0A, T
J
= 25
C
I
F
= 1.0A, T
J
= 85
C
I
F
= 3.0A, T
J
= 25
C
I
F
= 3.0A, T
J
= 85
C
Leakage Current (Note 5)
I
R
0.5
25
0.15
18
mA
V
R
= 40V, T
J
= 25
C
V
R
= 40V, T
J
= 85
C
V
R
= 20V, T
J
= 25
C
V
R
= 20V, T
J
= 85
C
Total Capacitance
C
T
55
pF
V
R
= 10V, f = 1.0MHz
Electrical Characteristics
@ T
A
= 25C unless otherwise specified
Notes: 5. Short duration pulse test to minimize self-heating effect.
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