Forward Current: 3.0 Amp
Reverse Votlage: 50 ~ 1000 Volts
Fast Recovery Rectifier
CFRB301 ~ CFRB307
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
Case: Molded Plastic
Case Material: UL Flammability Classification Rating
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)
Mechanical Data
Features
Characteristic Symbol Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
50 100 200 400 600 800 1000 V
RMS Reverse Voltage VR(RMS) 35 70 140 280 420 560 700 V
Average Rectified Output Current @ TT = 75 CIO3.0 A
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave Superimposed on Rated Load
(JEDEC Method)
IFSM 100 A
Forward Voltage @ IF = 3.0A VFM 1.3 V
Peak Reverse @ TA = 25 C
at Rated DC Blocking Voltage @ TA = 125 C IRM 5.0
250 A
Maximum Recovery Time (Note 3) trr 150 250 500 ns
Typical Junction Capacitance (Note 2) Cj50 pF
Typical Thermal Resistance Junction to Terminal (Note 1) RJT 25 K/W
Operating and Storage Temperature Range Tj, TSTG -65 to +150 C
CFRB
301
CFRB
302
CFRB
303
CFRB
304
CFRB
305
CFRB
306
CFRB
307
Notes: 1. Thermal resistance: junction to terminal, unit mounted on PC board with 5.0 mm
2
(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.
Max 3.94 4.57 2.21 0.31 5.59 0.20 1.52 2.62
Min 3.30 4.06 1.96 0.15 5.00 0.10 0.76 2.00
Dim A B C D E G H J
All Dimensions in mm
A
B
C
D
G
H
E
J
SMB
Fast Recovery Rectifier
CFRB301 ~ CFRB307
0
0.5
1.0
25 50 75 100 125 150 175
I , AVERAGE FORWARD CURRENT (A)
(AV)
T , TERMINAL TEMPERATURE (°C)
T
Fi
g
. 1 Forward Current Deratin
g
Curve
1.5
2.0
2.5
3.0
0.01
0.1
1.0
10
0 0.4 0.8 1.2 1.6
T = 25°C
j
I INSTANTANEOUS FORWARD CURRENT (A)
F,
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
Fig. 2 Typical Forward Characteristics
0
20
1 10 100
I , PEAK FORWARD SURGE CURRENT (A)
FSM
NUMBER OF CYCLES AT 60 Hz
Fig. 3 Forward Surge Current Derating Curve
Single Half-Sine-Wave
(JEDEC Method)
40
60
80
100
50V DC
Approx
Oscilloscope
(Note 1)
Pulse
Generator
(Note 2)
Device
Under
Test
trr
Set time base for 50/100 ns/cm
+0.5A
0A
-0.25A
-1.0A
Fig. 5 Reverse Recovery Time Characteristic and Test Circuit
(+)
(+)
(-)
(-)
0.1
1.0
10
100
1000
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
Fig.4 Ty
pical Reverse Characteristics
T = 125°C
j
T=25°C
j
