HER30X / UF300X SERIES
HIGH EFFICIENCY (ULTRA FAST)
RECTIFIERS
FEATURES
●
Low cost
●
Diffused junction
●
Ultra fast switching for high efficiency
●
Low reverse leakage current
●
Low forward voltage drop
●
High current capability
●
The plastic material carries UL recognition 94V-0
REVERSE VOLTAGE
- 50
to
1000
Volts
FORWARD CURRENT
- 3.0
Amperes
DO- 27
1.0(25.4)
MIN.
.052(1.3)
.048(1.2)
DIA.
.375(9.5)
.335(8.5)
210
.220(5.6)
.197(5.0) DIA.
MECHANICAL DATA
●
Case: JEDEC DO-27 molded plastic
●
Polarity: Color band denotes cathode
1.0(25.4)
MIN.
●Weight:
0.04ounces , 1.1grams
●
Mounting position: Any
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25℃ ambient temperature unless otherwise specified.
Single phase, half wave ,60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
HER301 HER302 HER303 HER304 HER305 HER306 HER307 HER308
UF3001 UF3002 UF3003 UF3004 UF3005 UF3006 UF3007 UF3008
50
35
50
100
70
100
200
140
200
300
210
300
3.0
400
280
400
600
420
600
800
560
800
1000
700
1000
CHARACTERISTICS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward
Rectified Current
Peak Forward Surge Current
8.3ms Single Half Sine-Wave
Super Imposed on Rated Load(JEDEC Method)
Peak Forward Voltage at 3.0A DC
Maximum DC Reverse Current
at Rated DC Blocking Voltage
@T
J
=25℃
@T
J
=100℃
@T
A
=55
℃
SYMBOL
V
RRM
V
RMS
V
DC
I
(AV)
UNIT
V
V
V
A
I
FSM
V
F
I
R
T
RR
C
J
R
θJA
T
J
T
STG
50
50
1.0
125
1.3
5.0
100
75
30
20
-55 to +125
-55 to +150
1.7
A
V
μA
nS
pF
℃/W
℃
℃
Maximum Reverse Recovery Time(Note 1)
Typical Junction Capacitance (Note2)
Typical Thermal Resistance (Note3)
Operating Temperature Range
Storage Temperature Range
NOTES: 1.Measured with I
F
=0.5A，I
R
=1A
，I
RR
=0.25A
2.Measured at 1.0 MHz and applied reverse voltage of 4.0V DC
3.Thermal resistance junction to ambient
~ 104 ~
RATING AND CHARACTERTIC CURVES
HER30X / UF300X SERIES
FIG. 1
–
FORWARD CURRENT DERATING CURVE
PEAK FORWARD SURGE CURRENT
(AMPERES
）
3.0
AVERAGE FORWARD CURRENT
AMPERES
2.5
2.0
1.5
1.0
0.5
0
25
50
75
100
125
150
175
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
FIG. 2
–
MAXIMUM NON-REPETITIVE SURGE CURRENT
200
150
100
50
SINGLE HALF-SINE-WAVE
(JEDEC METHOD)
0
1
2
5
10
20
50
100
AMBIENT TEMPERATURE (℃)
NUMBER OF CYCLES AT 60Hz
FIG.3
–
TYPICAL JUNCTION CAPACITANCE
1000
INSTANTANEOUS FORWARD CURRENT
(AMPERES)
100
FIG.4-TYPICAL FORWARD CHARACTERISTICS
100
CAPACITANCE (pF)
HER301 - HER305
(UF3001 - UF3005)
10
HER301 - HER303
(UF3001 - UF3003)
HER306 - HER308
(UF3006 - UF3008)
HER304 - HER305
(UF3004 - UF3005)
10
1.0
HER306 - HER308
(UF3006 -UF3008)
TJ = 25°C
PULSE WIDTH 300us
Tj = 25°C f = 1 MHz
1
1
1.0
10
100
0.1
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
REVERSE VOLTAGE (VOLTS)
INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
~ 105 ~
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