LESHAN RADIO COMPANY, LTD.
HER301 – HER308
3A 3A HIGH EFFICIENCY DIODES
Maximum Average Maximum Forward Rectified Current Maximum Peak Surge Current @ Half-Wave Peak Reverse @ 8.3ms Resistive Load 60Hz Voltage Superimposed PRV V PK IO @TL A AV ºC I FM (Surge) A PK Maximum Reverse Current @ PRV @ TA=25ºC IR µAdc Maximum Forward Voltage @ TA=25ºC I FM A PK V FM V PK
TYPE
Package Maximum Reverse Dimensions Recovery Time
Trr ns
HER301 HER302 HER303 HER304 HER305 HER306 HER307 HER308
50 100 200 300 400 600 800 1000
3.0
200
10
3.0
150
1.00 1.00 1.00 1.30 1.30 1.85 1.85 1.85
50
DO–201AD
70
Trr I F=0.5A, I R=1.0A, I RR=0.25A Trr Test Conditions: I F=0.5A, I R=1.0A, I RR=0.25A
1.0(25.4) MIN
.375(9.5) .335(8.5)
1.0(25.4) MIN
.052(1.3) .048(1.2)
DIA .220(5.6) DIA .197(5.0)
DO – 201AD
46A–1/2
LESHAN RADIO COMPANY, LTD.
HER301 – HER308 3A 3A RATING & CHARACTERISTIC CURVES OF HIGH EFFICIENCY DIODES
FIG.1-TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50 Ω NONINDUCTIVE 10 Ω NONINDUCTIVE D.U.T. (-) PULSE G E N E R AT O R (NOTE 2) (+) 0 -0.25A
FIG. 2 - TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
+0.5A
Trr
6 5 4 3 2 1 0 0 50 100 150 175 Single Phase Half Wave 60Hz Resistive or Inductive Load
(+) 25Vdc (APPROX) (-)
1Ω
OSCILLOSCOPE NON. (NOTE 1) INDUCTIVE
NOTES:1.Rise Time=7ns max. Input Impedance=1megohm.22pF. 2.Rise Time=10ns max. Source Impedance=50 ohms.
-1.0A
SET TIME BASE FOR 10 ns/cm
1cm
AMBIENT TEMPER ATURE, (ºC)
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
1000
INSTANTANEOUS REVERSE CURRENT (µA)
FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
100 TJ =25ºC
INSTANTANEOUS FORWARD CURRENT, (A)
0V
100 TJ =150ºC
10
50/ 100 /20 0V
30
0/
40
0V 60
1.0
1.0
TJ =25ºC
.1
.1
.01 20 40 60 80 100 120 140
.01 .2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
INSTANTANEOUS FORWARD VOLTAGE,(V)
FIG. 5 - MAXINUM NON-REPETITIVE FOWARD SURGE CURRENT
300
PEAK FORWARD SURGE CURRENT,(A) JUNCTION CAPACITANCE,(pF)
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
200
8.3ms Single Half Sine-Wave (JEDEC Method)
100
HER
60 40 20 10 6 4 2 TJ =25ºC
HE R30
301(G
80
Pulse Width=300µs 1% Duty Cycle
0/
10
TJ =100ºC
10
)-HE
00
V
R305
(G)
200
6(G
)-H
ER3
08(
G)
100
HER301-HER305
HER306-HER308 0 1 10 100 1000
1 .1 .2 .4 1.0 2 4 10 20 40 100
NUMBER OF CYCLES AT 60Hz
REVERSE VOLTAGE,(V)
46A–2/2
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