Fast Recovery Rectifier
CFRB301 ~ CFRB307
Forward Current: 3.0 Amp
Reverse Votlage: 50 ~ 1000 Volts
Features
Glass Passivated Die Construction
Fast Recovery Time for High Efficiency
Low Forward Voltage Drop and High Current Capability
Surge Overload Rating to 100A Peak
Ideally Suited for Automatic Assembly
SMB
B
A
Mechanical Data
Case: Molded Plastic
Case Material: UL Flammability Classification Rating
C
D
J
94V-0
Moisture sensitivity: Level 1 per J-STD-020C
Terminals: Solder Plated Terminial - Solderable per
MIL-STD-202, Method 208
Also Available in Lead Free Plating (Matte Tin Finish)
Polarity: Cathode Band or Cathode Notch
Weight: SMB 0.093 grams (approx)
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Average Rectified Output Current
Forward Voltage
Peak Reverse
at Rated DC Blocking Voltage
@ I F = 3.0A
@ T A = 25 C
@ T A = 125 C
Typical Thermal Resistance Junction to Terminal (Note 1)
Operating and Storage Temperature Range
A
B
C
D
E
G
H
J
3.30
4.06
1.96
0.15
5.00
0.10
0.76
2.00
Max
3.94
4.57
2.21
0.31
5.59
0.20
1.52
2.62
All Dimensions in mm
CFRB
301
CFRB
302
CFRB
303
CFRB
304
CFRB
305
CFRB
306
CFRB
307
Unit
V RRM
V RWM
VR
50
100
200
400
600
800
1000
V
V R(RMS)
35
70
140
280
420
560
700
V
IO
3.0
A
I FSM
100
A
V FM
1.3
V
I RM
5.0
250
A
trr
Maximum Recovery Time (Note 3)
Typical Junction Capacitance (Note 2)
Dim
Min
Symbol
@ T T = 75 C
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave Superimposed on Rated Load
(JEDEC Method)
G
E
H
150
Cj
R
JT
T j, T STG
250
ns
50
pF
25
K/W
-65 to +150
C
2
Notes:
500
1. Thermal resistance: junction to terminal, unit mounted on PC board with 5.0 mm (0.013 mm thick) copper pad as heat sink.
2. Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
3. Reverse recovery test conditions: IF = 0.5A, IR = 1.0A, Irr = 0.25A. See figure 5.
Fast Recovery Rectifier
CFRB301 ~ CFRB307
IF, INSTANTANEOUS FORWARD CURRENT (A)
I(AV), AVERAGE FORWARD CURRENT (A)
3.0
2.5
2.0
1.5
1.0
0.5
0
10
1.0
0.1
Tj = 25°C
0.01
25
50
75
100
125
150
175
0
0.8
1.2
1.6
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
TT, TERMINAL TEMPERATURE (°C)
Fig. 1 Forward Current Derating Curve
IFSM, PEAK FORWARD SURGE CURRENT (A)
0.4
1000
Single Half-Sine-Wave
(JEDEC Method)
100
Tj = 125°C
100
80
60
10
40
Tj = 25°C
1.0
20
0.1
0
1
10
100
NUMBER OF CYCLES AT 60 Hz
Fig. 3 Forward Surge Current Derating Curve
0
20
40
60
80
100
trr
(-)
0A
(+)
Pulse
Generator
(Note 2)
50V DC
Approx
(-)
Oscilloscope
(Note 1)
140
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
Fig. 4 Typical Reverse Characteristics
+0.5A
Device
Under
Test
120
-0.25A
(+)
-1.0A
Set time base for 50/100 ns/cm
Fig. 5 Reverse Recovery Time Characteristic and Test Circuit
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