HFM201 thru HFM208
Surface Mount Glass Passivated High Efficiency Rectifiers
Reverse Voltage 50 to 1000V Forward Current 2.0A
FEATURES
* Plastic package has Underwriters Laboratories
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Flammability Classification 94V-0
Ideally suited for use in very high frequency switching
power supplies, inverters and as free wheeling diodes
Ultrafast recovery time for high efficiency
Excellent high temperature switching
Soft recovery characteristics
Cavity-free glass passivated junction
High temperature soldering guaranteed:
260°C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
Mechanical Data
Case:
JEDEC DO-214AA /SMB, molded plastic over glass die
Terminals:
Plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity:
Color band denotes cathode end
Mounting Position:
Any
Weight:
0.098 g
Handling precautin:None
We declare that the material of product compliance
with ROHS requirements
1.Electrical Characteristic
Maximum & Thermal Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
device marking code
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length at T
A
= 75°C
V
RRM
V
RMS
V
DC
IF(AV)
symbol
HFM
201
HFM
201
50
35
50
HFM
202
HFM
202
100
70
100
HFM
203
HFM
203
200
140
200
HFM
204
HFM
204
300
210
300
HFM
205
HFM
205
400
280
400
2.0
60
100
55
–50
to +150
HFM
206
HFM
206
600
420
600
HFM
207
HFM
207
800
560
800
HFM
208
HFM
208
1000
700
1000
Unit
V
V
V
A
A
µA
°C/W
°C
Peak forward surge current 8.3ms single half sine-wave
I
FSM
superimposed on rated load (JEDEC Method)
Maximum full load reverse current, full cycle
average,0.375"(9.5mm) lead lengths at T
A
= 55°C
Typical thermal resistance (Note 2)
Operating junction and storage temperature range
IR(AV)
RθJA
TJ,
TSTG
Electrical Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
Maximum instantaneous forward voltage at 2.0A
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage TA = 100°C
Typical reverse recovery time (Note 1)
Typical junction capacitance at 4.0V, 1MHz
NOTES:
1. IF = 0.5A, IR = 1.0A, IRR = 0.25A
2. 8.0mm2 (.013mm thick) land areas
symbol
V
F
IR
trr
CJ
50
17
HFM
201
HFM
202
1.00
HFM
203
HFM HFM
204
205
1.30
5.0
50
HFM
206
HFM HFM
207
208
1.85
Unit
V
µA
75
ns
PF
HFM201 thru HFM208
2.Ratings and Characteristic Curves
( TA = 25°C unless otherwise noted )
Fig. 1
–
Forward Current Derating Curve
Average Forward Rectified Current (A)
60 Hz
Resistive or
Inductive Load
Average Forward Rectified Current (A)
Fig. 2
–
Maximum Non-repetitive Peak
Forward Surge Current
100
80
60
40
TJ = TJ max
8.3ms Single Half Sine-wave
(JEDEC Method)
2.0
1.0
20
0
1
10
Number of Cycles at 60Hz
100
0.375" (9.5mm) Lead Length
0
0
25 50 75 100 125 150 175
Ambient Temperature,
°C
Instantaneous Forward Current (A)
Instantaneous Reverse Current (µA)
10
Fig 3.
–
Typical Instantaneous Forward
Characteristics
Fig 4.
–
Typical Reverse Characteristics
100
Tj=125℃
1.0
10
Tj=75℃
0.1
1.0
0.01
TJ = 25°C
Pulse width = 300µs
1% Duty Cycle
0.1
Tj=25℃
0.001
0.8
1.0
1.2
1.4
1.6
1.8
Instantaneous Forward Voltage (V)
0.01
0
20
40
60
80
100
Percent of Rated Peak Reverse Voltage (%)
Fig 6.
–
Typical Junction Capacitance
Transient thermal impedance(°C/W)
Junction Capacitance (pF)
100
Fig 5.
–typical
transient thermal
impedance
20
10
10
1.0
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
0.1
0.01
0.1
1.0
10
t,Pulse duration,sec
100
1.0
0.1
1
10
Reverse Voltage (V)
100
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