High Speed
CDSF4148
Features
Designed for mounting on small surface.
High speed switching.
High mounting capability, strong surge
withstand, high reliability.
Mechanical data
Case: 1005(2512) standard package,
molded plastic.
Terminals: Solder plated, solderable per
MIL-STD-750, method 2026.
Polarity: Indicated by cathode band.
Mounting position: Any.
Weight: 0.005 gram (approximately)
SMD Switching Diode
Unit
V
nA
uA
pF
nS
Parameter
Forward voltage
Reverse current
Capacitance between terminals
Reverse recovery time
Conditions
I
F
= 50 mA DC
V
R
= 20 V
V
R
= 75 V
f = 1MHz, and 0 VDC reverse voltage
V
R
= 6V, I
F
= 10 mA, R
L
=50 ohms
Symbol
V
F
I
R
C
T
Trr
Min
Typ
Max
1.0
25
2.5
3
4
Parameter
Repetitive peak reverse voltage
Reverse voltage
Average forward current
Forward current , surge peak
Power Dissipation
Storage temperature
Junction temperature
Conditions
Tp
= 1us
Tp
= 1s
Symbol
V
RRM
V
R
Io
I
FSM
P
D
T
STG
T j
Min
-55
Max
100
75
150
350
+175
+175
Typ
4
1
Unit
V
V
mA
A
mW
Page 1
www.comchip.com.tw
Electrical Characteristics
( at T
A
= 25 unless otherwise noted )
C
C
Maximum Rating
( at T
A
= 25 unless otherwise noted )
C
C
C
C
0.106(2.70)
0.098(2.50)
0.017(0.43) Typ
0.055(1.40)
0.047(1.20)
0.040 (1.00)
0.031(0.80)
0.008(R0.20) Typ.
Dimensions in inches and (millimeter)
1005(2512)
COMCHIP
COMCHIP
Preliminary
RDS0212007-A
RATING AND CHARACTERISTIC CURVES (CDSF4148)
F
o
r
w
a
r
d
c
u
r
r
e
n
t
(
m
A
)
Fig. 1 - Forward characteristics
Forward voltage (V)
Reverse voltage (V)
Fig. 2 - Reverse characteristics
Fig. 4 - Current derating curve
0
20
40
60
80
100
0
25
50
75
100
125
150
A
v
e
r
a
g
e
f
o
r
w
a
r
d
c
u
r
r
e
n
t
(
%
)
Fig. 3 - Capacitance between
terminals characteristics
Reverse voltage (V)
C
a
p
a
c
i
t
a
n
c
e
b
e
t
w
e
e
n
t
e
r
m
i
n
a
l
s
(
p
F
)
0
1.0
2.0
3.0
4.0
5.0
0
2
4
6
8
10
12
14
R
e
v
e
r
s
e
c
u
r
r
e
n
t
(
A
)
175
200
Mounting on glass epoxy PCBs
Page 2
100u
10u
10n
100n
1u
10
20
30
40 50 60 70 80
0
0 0.2 0.4 0.6 0.8 1.0 1.2
1000
1
10
100
SMD Switching Diode
www.comchip.com.tw
Ambient temperature ( )
C
C
f = 1 MHz
Ta = 25 C
C
125
C
75
C
25
C
150
C
7
5
C
2
5
C
-2
5
C
1
2
5
COMCHIP
COMCHIP
RDS0212007-A
PDF 
ZIP