Chip Switching Diode
CDSF4148
List
Formosa MS
List................................................................................................. 1
Package outline............................................................................... 2
Features.......................................................................................... 2
Mechanical data...............................................................................
2
Maximum ratings ............................................................................. 2
Rating and characteristic curves........................................................ 3
Pinning information........................................................................... 4
Marking........................................................................................... 4
Suggested solder pad layout............................................................. 4
Packing information.......................................................................... 5
Reel packing.................................................................................... 6
Suggested thermal profiles for soldering processes............................. 6
High reliability test capabilities...........................................................7
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
-
Revision
A
Page.
7
Page 1
DS-221902
Chip Switching Diode
CDSF4148
150mA Surface Mount
Switching Diode-75V
Features
•
Batch process design.
•
Fast speed switching.
•
For general purpose switching application.
•
High conductance.
•
Silicon epitaxial planar chip.
•
Lead-free parts meet RoHS requirments.
Formosa MS
Package outline
1005 (SOD-323)
0.102(2.60)
0.095(2.40)
0.051(1.30)
0.043(1.10)
0.035 (0.90)
0.027 (0.70)
0.020(0.50) Typ.
Mechanical data
0.012 (0.30) Typ.
•
Epoxy:UL94-VO rated flame retardant
•
Case : Molded plastic, 1005 (SOD-323)
•
Terminals : Solder plated, solderable per
MIL-STD-750, Method 2026
0.040(1.00) Typ.
Dimensions in inches and (millimeters)
•
Polarity : Indicated by cathode band
•
Mounting Position : Any
•
Weight : Approximated 0.007 gram
Maximum ratings
(AT T =25 C unless otherwise noted)
o
A
PARAMETER
Repetitive peak reverse voltage
Reverse voltage
Peak forward surge current
Forward current
Average forward current
Power dissipation
Junction temperature
Storage temperature
Forward voltage
Reverse current
Diode capacitance
Reverse recovery time
I
F
= 50 mA
V
R
= 20 V
V
R
= 75 V
V
R
= 0 V
t
p
= 1 us
CONDITIONS
Symbol
V
RRM
V
R
I
FSM
I
F
I
FAV
P
V
T
j
T
STG
V
F
I
R
I
R
C
D
t
rr
MIN.
TYP.
MAX. UNIT
75
75
1000
150
150
500
V
V
mA
mA
mA
mW
o
-55
-65
0.86
+150
+175
1.00
25
2.5
4.0
4
C
C
o
V
nA
uA
pF
ns
V
R
= 0 V , f = 1MH z , V
HF
= 50m V
I
F
= 10 mA , V
R
= 6V , I
RR
= 0.1 X I
R
, R
L
= 100
OHM
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
-
Revision
A
Page.
7
Page 2
DS-221902
Rating and characteristic curves (CDSF4148)
FIG.1-TYPICAL FORWARD
CHARACTERISTICS
1000
FIG.3 - TYPICAL REVERSE
CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT,(mA)
T
J
=25 C
100
REVERSE CURRENT, (nA)
1000
T
J
=25 C
Pulse Width 300us
1% Duty Cycle
Scattering Limit
10
100
Scattering Limit
1.0
10
0.1
0
.4
.8
1.2
1.6
2.0
FORWARD VOLT
AGE,(V)
1
1
10
REVERSE VOLTAGE
100
FIG.2 - TYPICAL DIODE CAPACITANCE
3.5
3.0
10
3
FIG.4 - REVERSE CURRENT
VS JUNCTION TEMPERATURE
DIODE CAPACITANCE,(pF)
REVERSE CURRENT, (uA)
2.5
2.0
1.5
1.0
0.5
0
10
2
V
R
10
V/
=75
X
MA
U
AL
.V
ES
1
V
R
5V
=7
/
U
AL
.V
P
TY
ES
0.1
1
10
100
1000
10
-1
V
R
0V
=2
/
LU
VA
P.
TY
ES
REVERSE VOLTAGE,(V)
10
-2
0
100
200
o
JUNCTION TEMPERATURE ( C)
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
-
Revision
A
Page.
7
Page 3
DS-221902
Chip Switching Diode
CDSF4148
Pinning information
Pin
Pin1
Pin2
cathode
anode
Simplified outline
Formosa MS
Symbol
1
2
1
2
Marking
Type number
CDSF4148
Marking code
-
Suggested solder pad layout
C
A
B
Dimensions in inches and (millimeters)
PACKAGE
1005
A
0.026(0.65)
B
0.054(1.35)
C
0.042(1.05)
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
-
Revision
A
Page.
7
Page 4
DS-221902
Chip Switching Diode
CDSF4148
Packing information
P
0
P
1
d
E
F
B
W
Formosa MS
A
P
D
2
T
C
D
W
1
D
1
unit:mm
Item
Symbol
Tolerance
1005
Carrier width
Carrier length
Carrier depth
Sprocket hole
7" Reel outside diameter
7" Reel inner diameter
Feed hole diameter
Sprocket hole position
Punch hole position
Punch hole pitch
Sprocket hole pitch
Embossment center
Overall tape thickness
Tape width
Reel width
A
B
C
d
D
D
1
D
2
E
F
P
P
0
P
1
T
W
W
1
0.1
0.1
0.1
0.1
2.0
min
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.3
1.0
1.55
2.65
1.05
1.50
178.00
50.00
13.00
1.75
3.50
4.00
4.00
2.00
0.23
8.00
11.40
Note:Devices are packed in accor dance with EIA standar RS-481-A and specifications listed above.
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
-
Revision
A
Page.
7
Page 5
DS-221902
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