Comchip CDBM140L Low vf smd schottky barrier rectifier Datasheet

Low VF SMD Schottky Barrier Rectifier
COMCHIP
www.comchip.com.tw
CDBM120L Thru CDBM140L
Reverse Voltage: 20 - 40 Volts
Forward Current: 1.0 Amp
Features
Ideal for surface mount applications
Easy pick and place
Plastic package has Underwriters Lab.
flammability classification 94V-0
Exceeds environmental standard MIL-S19500/228
Low leakage current
MINI SMA
0.161(4.10)
0.146(3.70)
0.012(0.30) Typ.
0.071(1.80)
0.055(1.40)
Mechanical data
0.110(2.80)
0.094(2.40)
Case: Mini SMA molded plastic
Terminals: solderable per MIL-STD-750,
method 2026
Polarity: Color band denotes cathode
end
Mounting position: Any
Approx. Weight:0.04 gram
0.063(1.60)
0.055(1.40)
0.035(0.90) Typ.
0.035(0.90) Typ.
Dimensions in inches and (millimeter)
Maximum Ratings and Electrical Characterics
Parameter
Symbol
Max. Repetitive Peak Reverse Voltage
V RRM
20
40
V
Max. DC Blocking Voltage
V DC
20
40
V
Max. RMS Voltage
V RMS
14
28
V
Peak Surge Forward Current
8.3ms single half sine-wave
superimposed on rate load
( JEDEC method )
CDBM120L
CDBM140L
Unit
I FSM
30
A
Max. Average Forward Current
Io
1.0
A
Max. Instantaneous Forward Current
at 1.0 A
VF
Max. DC Reverse Current at Rated DC
Blocking Voltage
Ta=25 C
IR
0.5
10
Ta=100 C
Max. Thermal Resistance (Note 1)
0.40
0.38
V
mA
5
R
JA
88
R
JL
20
C /W
Operating Junction Temperature
Tj
-55 to +125
C
Storage Temperature
T STG
-55 to +150
C
Note 1: Thermal resistance from junction to ambient and junction to to lead P.C.B. Mounted on 0.2 x 0.2 copper pad areas
MDS0211018A
Page 1
Low VF SMD Schottky Barrier Rectifier
COMCHIP
www.comchip.com.tw
Rating and Characteristic Curves (CDBM120L Thru CDBM140:L)
Fig.2 - Forward Characteristics
Fig. 1 - Reverse Characteristics
100
100
Forward Current ( A )
Reverse Current ( mA )
CDBM120L
10
1
Tj=75 C
10
CDBM140L
1
0.1
0.1
Tj=25 C
0.01
0.01
0
20
40
60
80
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
100 120 140 160 180 200
1.8 2.0
Forward Voltage (V)
Percent of Rated Peak Reverse Voltage (%)
Fig. 3 - Junction Capacitance
Fig. 4 - Current Derating Curve
=1MHz and applied
4VDC reverse voltage
300
1.2
Average forward current ( A )
Junction Capacitance (pF)
350
250
200
150
100
50
0
1.0
0.8
0.6
0.4
0.2
0
0.01
0.1
1.0
10
100
20
40
60
80
100
120
140
160
Ambient Temperature ( C)
Reverse Voltage (V)
Peak surge Forward Current ( A )
Fig. 5 - Non repetitive Forward
Surge Current
30
8.3mS Single Half Sine
Wave JEDEC methode
24
18
Tj=25 C
12
6
0
1
5
10
50
1 00
Number of Cycles at 60Hz
MDS0211018A
Page 2
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