Reverse Voltage: 50 - 1000 Volts
Forward Current: 1.5 Amp
CFRA151 Thru CFRA157
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COMCHIP
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Maximum Ratings and Electrical Characterics
MDS0210006B
Page 1
SMD Fast Recovery Rectifier
SMD Fast Recovery Rectifier
Features
Ideal for surface mount applications
Easy pick and place
Plastic package has Underwriters Lab.
flammability classification 94V-0
Fast recovery time: 150 - 500 nS
Low leakage current
Mechanical data
Case: JEDEC DO-214AC molded plastic
Terminals: solderable per MIL-STD-750,
method 2026
Polarity: Color band denotes cathode
end
Mounting position: Any
Approx. Weight: 0.063 gram
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 1.5 A
Reverse recovery time
Max. DC Reverse Current at Rated DC
Blocking Voltage Ta=25
Ta=100
Max. Thermal Resistance (Note 1)
Operating Junction Temperature
Storage Temperature
Symbol
V
RRM
V
DC
V
RMS
I
FSM
I o
V
F
Trr
I
R
R
JA
T j
T
STG
Unit
V
V
V
A
A
V
nS
uA
Note 1: Thermal resistance from junction to ambient.
CFRA
151
CFRA
152
50
50
35
600
600
420
100
100
70
50
1.5
1.3
- 5 5 t o + 1 5 0
53
5.0
50
- 5 5 t o + 1 5 0
CFRA
157
CFRA
156
CFRA
155
CFRA
154
CFRA
153
800
800
560
400
400
280
200
200
140
1000
1000
700
500
100
250
Dimensions in inches and (millimeters)
0.008(0.20)
0.004(0.10)
0.067(1.70)
0.051(1.29)
0.091(2.31)
0.067(1.70)
0.059(1.50)
0.035(0.89)
0.110(2.79)
0.086(2.18)
0.180(4.57)
0.160(4.06)
0.012(0.31)
0.006(0.15)
0.209(5.31)
0.185(4.70)
DO-214AC (SMA)
C/W
C
C
C
C
Rating and Characteristic Curves (CFRA151 Thru CFRA157)
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COMCHIP
COMCHIP
F
o
r
w
a
r
d
c
u
r
r
e
n
t
(
A
)
Forward Voltage (V)
Fig.2 - Forward Characteristics
MDS0210006B
Page 2
Fig. 3 - Junction Capacitance
Reverse Voltage (V)
0 0.4 0.8 1.2 1.6 2.0
J
u
n
c
t
i
o
n
C
a
p
a
c
i
t
a
n
c
e
(
p
F
)
P
e
a
k
S
u
r
g
e
F
o
r
w
a
r
d
C
u
r
r
e
n
t
(
A
)
Fig. 4 - Non Repetitive Forward
Surge Current
Number of Cycles at 60Hz
SMD Fast Recovery Rectifier
SMD Fast Recovery Rectifier
Fig. 6 - Current Derating Curve
Fig. 5 - Test Circuit Diagram and Reverse Recovery Time Characteristics
(+)
(+)
25Vdc
(approx.)
( )
( )
PULSE
GENERATOR
(NOTE 2)
OSCILLISCOPE
(NOTE 1)
1
NON-
INDUCTIVE
W
NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.
2. Rise Time= 10ns max., Source Impedance= 50 ohms.
+0.5A
0
-0.25A
-1.0A
|
|
|
|
|
|
|
|
1cm
SET TIME BASE FOR
50 / 10ns / cm
trr
D.U.T.
10
NONINDUCTIVE
50
NONINDUCTIVE
W
W
0
10
20
50
40
30
1 5 10 50 1 00
0.1 1.0 10 100 1000
20
0
40
60
140
120
100
80
1
100
10
0.1
0.01
Single Phase
Half Wave 60Hz
0 20 40 60 80 100
1000
100
10
1.0
0.1
Percent of Rated Peak Reverse Voltage (%)
R
e
v
e
r
s
e
C
u
r
r
e
n
t
(
u
A
)
Fig. 1 - Reverse Characteristics
Tj=25 C
Pulse width 300uS
4% duty cycle
Tj=25 C
A
v
e
r
a
g
e
F
o
r
w
a
r
d
C
u
r
r
e
n
t
(
A
)
Ambient Temperature ( C)
0 25 50 75 100 125 150 175
2.1
1.8
1.5
1.2
0.9
0.6
0.3
0
8.3mS Single Half Sine
Wave JEDEC methode
Tj=125 C
Tj=25 C
Tj=25 C
f=1.0MHz
Vsig=50mV p-p
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