Document
SMD Schottky Barrier Rectifier
COMCHIP
www.comchip.com.tw
CDBM120 Thru CDBM1100
Reverse Voltage: 20 - 100 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
Case: Mini SMA/SOD-123 molded plastic Terminals: solderable per MIL-STD-750, method 2026 Polarity: Color band denotes cathode end Mounting position: Any Approx. Weight:0.04 gram
0.110(2.80) 0.094(2.40)
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
Max. Repetitive Peak Reverse Voltage Max. DC Blocking Voltage Max. RMS Voltage Peak Surge Forward Current 8.3ms single half sine-wave superimposed on rate load ( JEDEC method ) Max. Average Forward Current Max. Instantaneous Forward Current at 1.0 A Max. DC Reverse Current at Rated DC Blocking Voltage Ta=25 C Ta=100 C Max. Thermal Resistance (Note 1) R R Operating Junction Temperature Storage Temperature Tj T STG
JA JL
Symbol
V RRM V DC V RMS I FSM
CDBM120
CDBM140
CDBM160
CDBM180
CDBM1100
Unit
V V V A
20 20 14
40 40 28
60 60 42
80 80 56
100 100 70
30
Io VF IR 10 0.50
1.0 0.70 0.85
A V mA 5
0.5
88 20 -55 to +125 -55 to +150 -55 to +150
C /W
C 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
MDS0208014B
Page 1
SMD Schottky Barrier Rectifier
COMCHIP
www.comchip.com.tw
Rating and Characteristic Curves (CDBM120 Thru CDBM1100)
Fig. 1 - Reverse Characteristics
100 100
CDBM120-140 CDBM160
Fig.2 - Forward Characteristics
Reverse Current ( mA )
Forward Current ( A )
10
10
CDBM180-1100
1
Tj=75 C
1
0.1
0.1
Tj=25 C
0.01 0.01
0
20
40
60
80
100 120 140 160 180 200
0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 Forward Voltage (V)
1.9 2.1
Percent of Rated Peak Reverse Voltage (%)
Fig. 3 - Junction Capacitance
350
Fig. 4 - Current Derating Curve
Junction Capacitance (pF)
300 250 200 150 100 50 0 0.01 0.1
=1MHz and applied 4VDC reverse voltage
1.2
Average forward current ( A )
1.0
CD
0.8
0.6 0.4 0.2 0
BM
CD BM 12 014 0
16 00 11 0
1.0
10
100
20
40
60
80
100
120
140
160
Reverse Voltage (V)
Ambient Temperature ( C)
Fig. 5 - Non repetitive Forward Surge Current
Peak surge Forward Current ( A )
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
MDS0208014B
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