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
MECHANICAL DATA
●Case: JEDEC DO-27 molded plastic
●Polarity: Color band denotes cathode
●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%
HER301HER302HER303HER304HER305HER306HER307HER308
UF3001UF3002UF3003UF3004UF3005UF3006UF3007UF3008
Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 300 400 600 800 1000 V
Maximum RMS Voltage VRMS 35 70 140 210 280 420 560 700 V
Maximum DC Blocking Voltage VDC 50 100 200 300 400 600 800 1000 V
Maximum Average Forward
Rectified Current @TA =55 ℃
Peak Forward Surge Current
8.3ms Single Half Sine-Wave
Super Imposed on Rated Load(JEDEC Method)
Peak Forward Voltage at 3.0A DC VF V
Maximum DC Reverse Current @TJ=25℃
at Rated DC Blocking Voltage @TJ=100℃
Maximum Reverse Recovery Time(Note 1) TRR nS
Typical Junction Capacitance (Note2) CJ pF
Typical Thermal Resistance (Note3) RθJA
℃/W
Operating Temperature Range TJ
℃
Storage Temperature Range TSTG
℃
CHARACTERISTICS
SYMBOL UNIT
I(AV)
IFSM A
1.7
3.0 A
150
1.0 1.3
HIGH EFFICIENCY (ULTRA FAST)
RECTIFIERS
REVERSE VOLTAGE - 50 to 1000 Volts
FORWARD CURRENT - 3.0 Amperes
HER30X / UF300X SERIES
-55 to +125
~ 104 ~
2.Measured at 1.0 MHz and applied reverse voltage of 4.0V DC
3.Thermal resistance junction to ambient
NOTES: 1.Measured with IF=0.5A，IR=1A ，IRR=0.25A
-55 to +150
IR μA
100
5.0
20
50 75
50 30
DO- 27
.375(9.5)
.335(8.5)
.052(1.3)
.048(1.2)
.220(5.6)
.197(5.0)
1.0(25.4)
1.0(25.4)
MIN.
