COMCHIP CDBA5818-HF

SMD Schottky Barrier Rectifiers
SMD Diodes Specialist
CDBA5817-HF Thru CDBA5819-HF
Reverse Voltage: 20 - 40 Volts
Forward Current: 1A or 3 A
RoHS Device
Features
DO-214AC (SMA)
Halogen free.
Ideal for surface mount applications.
Easy pick and place.
0.180(4.57)
0.160(4.06)
Plastic package has Underwriters Lab,
flamability classification94V-0.
0.110(2.79)
0.086(2.18)
0.065(1.65)
0.049(1.25)
Built-in strain relief.
Low forward voltage drop.
Mechanical data
0.208(5.28)
0.193(4.90)
Case: JEDEC DO-214AC, molded plastic.
0.012(0.31)
0.006(0.15)
0.091(2.31)
0.067(1.70)
Terminals: Solderable per MIL-STD-750,
method 2026.
0.005(0.127) max.
0.060(1.52)
0.030(0.76)
Polarity: Color band denotes cathode end.
-Approx. weight: 0.056 grams
Dimensions in inches and (millimeter)
Maximum Ratings(at TA=25°C unless otherwise noted)
Symbol CDBA5817-HF
Parameter
CDBA5818-HF
CDBA5819-HF
Unit
Max. Repetitive Peak Reverse Voltage
VRRM
20
30
40
V
Max. DC Bolcking Voltage
VDC
20
30
40
V
Max. RMS Voltage
VRMS
14
21
28
V
Peak Surge Forward Current
8.3ms single half sine-wave
suprimposed on rate load
(JEDEC method)
IFSM
25
A
IO
1
A
Max. Average Forward Current
Max. Thermal Resistance
R
Storage Temperature
TSTG
Max. Operating Junction Temperature
O
20
JL
C/W
O
+125
Tj
C
O
-65 to +150
C
Electrical Characteristics (at TA=25°C unless otherwise noted)
Symbol CDBA5817-HF
Parameter
Max. Forward Voltage at 1.0 A
at 3.0 A
VF
CDBA5818-HF
CDBA5819-HF
Unit
0.550
0.775
0.60
0.90
V
0.45
0.75
Max. DC Reverse Current at Rated DC
Blocking Voltage
Ta = 25C
Ta = 100C
IR
0.5
20
mA
Typical Junction Capacitance
Cj
65
pF
O
O
REV:A
Page 1
QW-JB009
Comchip Technology CO., LTD.
SMD Schottky Barrier Rectifiers
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CDBA5817-HF Thru CDBA5819-HF)
Fig. 2 - Reverse characteristics
Fig. 1 - Forward characteristics
1000
10
O
Reverse current (mA)
=2
5
O
C
1.0
Tj
Forward current (A)
Tj=125 C
0.1
100
10
O
Tj =25 C
1
Pulse width 300us
1% duty cycle
0.01
0.1
0
0.2
0.4
0.6
0.8
1.0
0
10
30
20
40
50
Percent of rated peak reverse voltage (%)
Forward voltage (V)
Fig.3 - Capacitance between
terminals characteristics
Fig.4 - Current derating curve
1000
f=1MHz
Tj=25C
1.2
Average forward current(A)
Junction capacitance(PF)
O
100
1.0
0.8
0.6
0.4
0.2
0
10
0.1
10
1
100
0
25
50
75
100
125
150
O
Reverse voltage (V)
Lead temperature (C)
Fig.5 - Non repetitive peak forward
surge current
Peak surge forward current(A)
35
8.3 ms single half sine
wave JEDEC mehode
30
25
20
15
O
Tj =25 C
10
5
0
1
10
100
Number of cycles at 60 Hz
REV:A
Page 2
QW-JB009
Comchip Technology CO., LTD.
SMD Schottky Barrier Rectifiers
SMD Diodes Specialist
Reel Taping Specification
d
P0
P1
T
E
Index hole
F
W
B
Polarity
P
C
A
12
o
0
D2
D1 D
W1
Trailer
Device
.......
.......
End
.......
.......
Leader
.......
.......
10 pitches (min)
.......
.......
Start
10 pitches (min)
Direction of Feed
SMA
(DO-214AC)
SMA
(DO-214AC)
SYMBOL
A
B
C
d
D
D1
D2
(mm)
2.70 (max)
5.30 (max)
2.66 (max)
1.50 ± 0.10
330
50.0 MIN.
13.5 ± 1.00
(inch)
0.106 (max)
0.209 (max)
0.105 (max)
0.059 ± 0.004
12.99
1.969 MIN.
0.531 ± 0.039
SYMBOL
E
F
P
P0
P1
W
W1
(mm)
1.75 ± 0.10
5.50 ± 0.05
4.00 ± 0.10
4.00 ± 0.10
2.00 ± 0.05
12.0 ± 0.20
18.4 (max)
(inch)
0.689 ± 0.004
0.217 ± 0.002
0.157 ± 0.004
0.157 ± 0.004
0.079 ± 0.002
0.472 ± 0.008
0.724 (max)
REV:A
Page 3
QW-JB009
Comchip Technology CO., LTD.
SMD Schottky Barrier Rectifiers
SMD Diodes Specialist
Marking Code
Part Number
Marking Code
CDBA5817-HF
5817
CDBA5818-HF
5818
CDBA5819-HF
5819
XXXX
xxxx = Product type marking code
Suggested PAD Layout
D
DO-214AC(SMA)
A
SIZE
(mm)
(inch)
A
3.80
0.150
B
1.60
0.063
C
2.80
0.110
D
5.40
0.213
E
2.20
0.087
E
C
B
Standard Package
Qty per Reel
Reel Size
(Pcs)
(inch)
5000
13
Case Type
DO-214AC (SMA)
REV:A
Page 4
QW-JB009
Comchip Technology CO., LTD.