0.140(3.6)
0.104(2.6)
DIA.
0.300(7.6)
HER201 THRU HER208
HIGH EFFICIENCY RECTIFIER
Reverse Voltage - 50 to 1000 Volts Forward Current - 2.0 Amperes
DO-204AC
FEATURES
*The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
*Low power loss, high efficiency
MIN.
1.0(25.4)
0.230(5.8)
*Low leakage
*Low forward voltage drop
*High current capability
*High speed switching
*High current surge
*High reliability
MIN.
1.0(25.4)
0.034(0.86)
0.028(0.71)
DIA.
Case : JEDEC DO-204AC molded plastic
Terminals : Plated axial leads , solderable per MIL-STD-750,
Method 2026
Polarity : Color band denotes cathode end
Mounting Position : Any
*Dimensions in inches and (millimeters)
Weight : 0.015 ounes , 0.4 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 oC ambient temperature
unless otherwise specified.
Maximum repetitive peak reverse voltage
Maximum RMS voltage VRMS
Maximum DC blocking voltage VDC 50
Maximum average forward rectified current
0.375" (9.5mm) lead length at TL=50oC
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum instantaneous forward voltage at 2.0 A
Maximum Full Load Reverse Current Full Cycle
average, 0.375" (9.5mm) lead length at TL=55oC
SYMBOLS
VRRM
I(AV)
IFSM
IR(AV) 100 uA
HER201 HER202 HER203 HER204 HER205 HER206 HER207
50 100 200 300 400 600 800
35 70 140 210 280 420 560
VF
MECHANICAL DATA
100 200 300 400 600 800
2.0
60
1.31.0 1.7
HER208
1000
700
1000
UNITS
Volts
Volts
Volts
Amps
Amps
Volts
Maximum DC reverse current
at rated DC blocking voltage
Maximum reverse recovery time (NOTE 1)
Typical junction capacitance (NOTE 2)
Operating junction and storage temperature range
NOTES :(1)Reverse recovery test condition : IF 0.5A, IR=1.0A, Irr=0.25A
(2)Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts
REV. : 0
TA=25oC
TJ,TSTG
CJ
IR
trr
50 75
30 20
5.0
-65 to +150
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uA
nS
pF
o
C
RATINGS AND CHARACTERISTIC CURVES HER201 THRU HER208
FIG.1 - TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
50
NONINDUCTIVE
( + )
25 Vdc
( approx )
( - )
NOTES :1. Rise Time = 7ns max. Input Impedance=
1 megohm. 22pF.
2. Rise Time = 10ns max. Source Impedance=
50 ohms.
10
NONINDUCTIVE
D.U.T.
1
NONINDUCTIVE
OSCILLOSCOPE
( NOTE 1 )
FIG.3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
10.00
1.00
HER201~HER203
( - )
PULSE
GENERATOR
( NOTE 2 )
( + )
HER2
04~HER205
+0.5A
0
-0.25A
-1.0A
R206~HER208
HE
trr
SET TIME BASE
FOR 10/20 ns/cm
FIG.2 - FORWARD CURRENT DERATING CURVE
3.0
2.5
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
2.0
1.5
1.0
CURRENT, AMPERES
0.5
AVERAGE FORWARD RECTIFIED
0.375" (9.5mm) LEAD LENGTH
0
0 25 50 75 100 125 150 175
AMBIENT TEMPERATURE, oC
FIG.4 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
60
8.3ms SINGLE HALF SINE-WAVE
50
(JEDEC Method)
40
30
AMPERES
AMPERES
0.10
IINSTANTANEOUS FORWARD CURRENT,
0.01
TJ = 25oC
PULSE WIDTH=300uS
1% DUTY CYCLE
20
PEAK FORWARD SURGE CURRENT,
10
1 10 100
NUMBER OF CYCLES AT 60Hz
0.40.20 0.6 0.8 1.0 1.2 1.4 1.81.6
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
100
200
100
FIG.6 - TYPICAL JUNCTION CAPACITANCE
TJ = 25oC
60
10
TJ = 150oC
40
20
TJ = 100oC
1.0
CURRENT, MICROAMPERES
0.1
INSTANTANEOUS REVERSE LEAKAGE
TJ = 25oC
10
6
4
2
JUNCTION CAPACITANCE, pF
HER201~HER205
HER206~HER208
1
.1
.2 .4 1.0 2 4 10 20 40 100
REVERSE VOLTAGE, VOLTS
REV. : 0
0.01
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE,%
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