Efficiency Rectifiers. HER304G Datasheet

HER304G Rectifiers. Datasheet pdf. Equivalent

Part HER304G
Description Glass Passivated Junction High Efficiency Rectifiers
Feature LESHAN RADIO COMPANY, LTD. HER301G thru HER308G 1.FEATURES * Plastic package has Underwriters Labo.
Manufacture LRC
Datasheet
Download HER304G Datasheet



HER304G
LESHAN RADIO COMPANY, LTD.
HER301G thru HER308G
1.FEATURES
* Plastic package has Underwriters Laboratories
Flammability Classification 94V-0
* Ideally suited for use in very high frequency switching
* power supplies, inverters and as free wheeling diodes
Glass Passivated Junction
High Efficiency Rectifiers
Reverse Voltage 50 to 1000V
Forward Current3.0A
* Ultrafast recovery time for high efficiency
* Excellent high temperature switching
* Soft recovery characteristics
* Cavity-free glass passivated junction
* High temperature soldering guaranteed:
* 260°C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
2.Mechanical Data
Case: JEDEC DO-201AD, molded plastic over glass body
Terminals: Plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.04 oz., 1.10 g
Handling precautin:None
3.Electrical Characteristic
We declare that the material of product
compliance with RoHS requirements.
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol
HER HER HER HER HER HER HER HER
301G 302G 303G 304G 305G 306G 307G 308G
Unit
Maximum repetitive 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
0.375" (9.5mm) lead length at TA = 55°C
IF(AV)
3.0
A
Peak forward surge current 8.3ms single half
sine-wave superimposed on rated load (JEDEC
Method)
Maximum full load reverse current, full cycle
IFSM
average,0.375"(9.5mm) lead lengths at TA = 55°
C
Typical thermal resistance (Note 2)
IR(AV)
RθJA
Operating junction and storage temperature rangeTJ, TSTG
150 125 A
100
55
–50 to +150
µA
°C/W
°C
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol
HER HER HER HER HER HER HER HER
301G 302G 303G 304G 305G 306G 307G 308G
Maximum instantaneous forward voltage at 3.0A
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage TA = 125°C
VF
IR
1.00
1.30
10
200
1.85
Typical reverse recovery time (Note 1)
trr
50
75
Typical junction capacitance at 4.0V, 1MHz
CJ
50
40
NOTES:
1. IF = 0.5A, IR = 1.0A, IRR = 0.25A
2. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted
Unit
V
µA
ns
PF
1/3



HER304G
LESHAN RADIO COMPANY, LTD.
4.Ratings and Characteristic Curves ( TA = 25°C unless otherwise noted )
Fig. 1 Forward Current Derating Curve
Fig. 2 Maximum Non-repetitive Peak
Forward Surge Current
100
60 Hz
TJ = TJ max
Resistive or
8.3ms Single Half Sine-wave
2.0
Inductive Load
80 (JEDEC Method)
60
1.0 40
0.375" (9.5mm) Lead Length
0
0 25 50 75 100 125 150 175
Ambient Temperature, °C
Fig 3. Typical Instantaneous Forward
10 Characteristics
1.0
0.1
20
0
1 10
Number of Cycles at 60Hz
100
Fig 4. Typical Reverse Characteristics
100
Tj=125
10
Tj=75
1.0
0.01
TJ = 25°C
Pulse width = 300µs
1% Duty Cycle
0.001
0.8 1.0 1.2 1.4 1.6 1.8
Instantaneous Forward Voltage (V)
Fig 5. typical transient thermal
impedance
100
10
1.0
0.1 Tj=25
0.01
0
20 40
60 80 100
Percent of Rated Peak Reverse Voltage (%)
Fig 6. Typical Junction Capacitance
20
10
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
0.1
0.01
0.1 1.0 10
t,Pulse duration,sec
100
1.0
0.1
1 10
Reverse Voltage (V)
100
2/3





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