Dated : 05/08/2005 H
R
SEMTECH ELECTRONICS LTD.
(Subsidiary of Semtech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
HER501~HER508
HIGH EFFICIENCY RECTIFIERS
Voltage Range – 50 to 1000 Volts
Current – 5.0 Ampere
Features
• Low power loss, high efficiency
• Low leakage
• Low forward voltage drop
• High current capability
• High speed switching
• High reliability
• High current surge
Mechanical Data
• Case: DO-201AD, moulded plastic
• Terminals: MIL-STD-202E, method 208C guaranteed
• Polarity: Colored band denotes cathode end
• Mounting position: Any
Absolute Maximum Ratings and 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%.
Symbols
HER
501
HER
502
HER
503
HER
504
HER
505
HER
506
HER
507
HER
508
Unit
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
at TA = 50
OC
I(AV)
5.0
A
Peak Forward Surge Current
8.3ms single half sine-wave superimposed on
rated load (JEDEC method)
IFSM
150
A
Maximum Instantaneous Forward Voltage at 5.0A
VF
1.0
1.3
1.7
V
Maximum Reverse Current at TJ = 25
OC
at Rated DC Blocking Voltage TJ = 100
OC
IR
10
750
uA
Maximum Reverse Recovery Time (note1)
Trr
50
75
nS
Typical Junction Capacitance(note2)
CJ
70
50
pF
Typical Thermall Resistance (note3)
RΘJA
20
℃
/W
Operating Junction Temperature
Tj
-55 to +150
℃
Storage Temperature Range
Ts
-55 to +150
℃
Notes: 1.Reverse recovery test conditions: IF = 0.5A, IR = -1.0A, Irr = -0.25A
2.Measured at 1.0MHz and applied reverse voltage of 4.0V
3.Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length P.C.B. mounted.
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