HER301 THRU HER308
Reverse Voltage - 50 to 1000 Volts
Forward Current - 3.0 Ampere
HIGH EFFICIENCY RECTIFIERS
Features
DO-201AD
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
High speed switching for high efficiency
Low reverse leakage
High forward surge current capability
High temperature soldering guaranteed:
250°C/10 seconds,0.375”(9.5mm) lead length, 5 lbs.
(2.3kg) tension
1.0 (25.4)
MIN.
0.220(5.6)
0.197(5.0)
DIA.
0.375(9.5)
0.285(7.2)
Mechanical Data
1.0 (25.4)
MIN.
Case : JEDEC DO-201AD Molded plastic body
Terminals : Solder plated, solderable per MIL-STD-750,Method 2026
Polarity : Polarity symbol marking on body
Mounting Position : Any
Weight : 0.04 ounce, 1.10 grams
0.052(1.3)
0.048(1.2)
DIA.
Dimensions in inches and (millimeters)
Maximum Ratings And Electrical Characteristics
Ratings at 25°C ambient temperature unless otherwisespecified.
Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
parameter
SYMBOLS
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 TA=50°C
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 3.0A
Maximum DC reverse current
TA=25°C
at rated DC blocking voltage
TA=100°C
Maximum reverse recovery time
(NOTE 1)
Typical junction capacitance (NOTE 2)
Typical thermal resistance (NOTE 3)
Operating junction and storage temperature range
MDD
MDD
MDD
MDD
MDD
MDD
MDD
MDD
HER301 HER302 HER303 HER304 HER305 HER306 HER307 HER308
VRRM
VRMS
VDC
50
35
50
100
70
100
200
140
200
I(AV)
200.0
1.0
600
420
600
800 1000
560 700
800 1000
1.7
5.0
150.0
trr
50
CJ
RθJA
70.0
20.0
-65 to +150
V
V
V
A
150.0
1.3
IR
TJ,TSTG
400
280
400
3.0
IFSM
VF
300
210
300
UNITS
A
V
μA
70
ns
50.0
pF
°C/W
°C
Note:1.Reverse recovery condition IF=0.5A,IR=1.0A,Irr=0.25A
2.Measured at 1MHz and applied reverse voltage of 4.0V D.C.
3.Thermal resistance from junction to ambient at 0.375”(9.5mm)lead length,P.C.B. mounted
http://www.microdiode.com
Rev:2024A1
Page :1
HER301 THRU HER308
Reverse Voltage - 50 to 1000 Volts
Forward Current - 3.0 Ampere
FIG. 1- FORWARD CURRENT DERATING CURVE
3.0
2.4
1.8
Single Phase
Half Wave 60Hz
Resistive or
inductive Load
1.2
0.6
0
0
25
50
75
100
125
150
PEAK FORWARD SURGE CURRENT,
AMPERES
AVERAGE FORWARD RECTIFIED CURRENT,
AMPERES
Ratings And Characteristic Curves
FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
200
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
160
120
HER301-HER305
80
HER306-HER308
40
175
0
1
10
AMBIENT TEMPERATURE, C
TJ=25 C
PULSE WIDTH=300 µs
1%DUTY CYCLE
10
1
0.1
HER301-HER303
HER304-HER305
HER306-HER308
0.01
0.2
0.6
1.0
1.4
1.8
2.0
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
INSTANTANEOUS FORWARD
CURRENT,AMPERES
FIG. 3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
20
1,000
100
TJ=100 C
10
1
TJ=25 C
0.1
0.01
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
0
20
40
60
80
100
400
200
TJ=25 C
20
HER301-HER305
HER306-HER308
TRANSIENT THERMAL IMPEDANCE,
C/W
PERCENT OF PEAK REVERSE VOLTAGE,%
FIG. 5-TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE, pF
100
NUMBER OF CYCLES AT 60 Hz
FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE
100
10
1
0.1
0.01
0.1
1
10
100
2
0.1
1.0
10
REVERSE VOLTAGE,VOLTS
100
t,PULSE DURATION,sec.
The curve above is for reference only.
http://www.microdiode.com
Rev:2024A1
Page :2
HER301 THRU HER308
Reverse Voltage - 50 to 1000 Volts
Forward Current - 3.0 Ampere
Package Information
Taping Specifications
Item
Symbol
Specifications(mm)
Component Pitch
A
10.0±0.5
Inner Tape Pitch
B
52.4±1.5
Component alignment
Z
1.2 Max
Tape width
T
6.0±0.5
Exposed adhesive
E
0.8 Max
Body eccentricity
L1-L2
1.0 Max
Ammunition Package Specifications
Package
Inner Box Size
(mm)
QTY/Box
(pcs)
Carton Size
(mm)
Q'TY/Carton
(pcs)
DO - 201AD
255*74*145
1000
410*275*340
10000
Bulk Package Specifications
Package
Inner Box Size
(mm)
QTY/Box
(pcs)
Carton Size
(mm)
Q'TY/Carton
(pcs)
DO - 201AD
198*86*21
200
460*220*250
10000
http://www.microdiode.com
Rev:2024A1
Page :3
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