HER207功率二极管
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HER201THRU HER208
2.0 Amp High Efficient Rectifiers 50 to 1000 Volts
Features
• High Surge Current Capability • High Reliability
• Low Forward Voltage Drop • High Current Capability
Maximum Ratings
• Operating Temperature: -55°C to +125°C • Storage Temperature: -55°C to +150°C
Electrical Characteristics @ 25°C Unless Otherwise Specified
Average Forward Current
I F(AV) 2 A T A = 55°C Peak Forward Surge Current I FSM 60A 8.3ms, half sine Maximum Instantaneous Forward Voltage
HER201-204 HER205V F 1.0V
1.3V I FM =
2.0A;T A = 25°C
Reverse Current At Rated DC Blocking Voltage (Maximum DC )I R 5µA 100µA T A = 25°C T A = 100°C Maximum Reverse Recovery Time
HER201-205HER206-208
T rr
50ns 75ns I F =0.5A, I R =1.0A,I rr =0.25A Typical Junction Capacitance
HER201-205HER206-208
C J 50pF
30pF Measured at 1.0MHz, V R =4.0V *Pulse Test: Pulse Width 300µsec, Duty Cycle 1%
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HER206-208 1.7V omp onents 21201 Itasca Street Chatsworth
! "# $ % ! "#
RATINGS AND CHARACTERISTIC CURVES
FIG.2-MAXIMUM AVERAGE
FORWARD CURRENT DERATING
FIG.1-REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
A V E R A G E F O R W A R D C U R R E N T .(A )
25
50
75100125150175
1.0
3.0
2.0
AMBIENT TEMPERATURE.(C)
o
50W
NONINDUCTIVE
1W NON
INDUCTIVE
OSCILLOSCOPE (NOTE 1)
PULSE
GENERATOR (NOTE 2)
DUT
(+)50Vdc (approx)(-)
NOTES:1.Rise Time=7ns max.Input Impedance=
1megohm 22pf
2.Rise Time=10ns max.Sourse Impedance=
50ohms
(-)
(+)
10W
NONINDUCTIVE
-1.0A
0+0.5A
FOR
FIG.5-MAXIMUM NON-REPETITIVE FORWARD
P E A K F O R W A R D S U R G E C U R R E N T .(A )
1
2
5
10
20
100
50
NUMBER OF CYCLES AT 60Hz
FIG.3-TYPICAL REVERSE CHARACTERISTICS
I N S T A N T A N E O U S R E V E R S E C U R R E N T .A )
0.1
1.0
10
PERCENT OF RATED PEAK REVERSE VOLTAGE.(%)
FIG.4-TYPICAL FORWARD CHARACTERISTICS
I N S T A N T A N E O U S F O R W A R D C U R R E N T .(A )
1.0
10
FORWARD VOLTAGE.(V)
FIG.6-TYPICAL JUNCTION CAPACITANCE
J U N C T I O N C A P A C I T A N C E .(p F )
75REVERSE VOLTAGE.(V)
HER201 THRU HER208
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