LESHAN RADIO COMPANY, LTD.
HER301G thru HER308G
1.FEATURES
* Plastic package has Underwriters Laboratories
Glass Passivated Junction
High Efficiency Rectifiers
Flammability Classification 94V-0
Reverse Voltage 50 to 1000V
Forward Current3.0A
* Ideally suited for use in very high frequency switching
* power supplies, inverters and as free wheeling diodes
* 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
We declare that the material of product
compliance with RoHS requirements.
Handling precautin:None
3.Electrical Characteristic
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
HER HER HER HER HER HER HER HER
301G 302G 303G 304G 305G 306G 307G 308G
Parameter Symbol
symbol
Unit
VRRM
VRMS
VDC
Maximum repetitive peak reverse voltage
Maximum RMS voltage
50
35
50
100 200 300 400 600 800 1000
70 140 210 280 420 560 700
V
V
V
Maximum DC blocking voltage
100 200 300 400 600 800 1000
3.0
Maximum average forward rectified current
0.375" (9.5mm) lead length at TA = 55°C
IF(AV)
IFSM
A
A
Peak forward surge current 8.3ms single half
sine-wave superimposed on rated load (JEDEC
Method)
150
125
Maximum full load reverse current, full cycle
average,0.375"(9.5mm) lead lengths at TA = 55°
100
IR(AV)
µA
Typical thermal resistance (Note 2)
55
RθJA
TJ, TSTG
°C/W
°C
Operating junction and storage temperature range
–50 to +150
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
HER HER HER HER HER HER HER HER
301G 302G 303G 304G 305G 306G 307G 308G
Parameter Symbol
symbol
VF
Unit
V
Maximum instantaneous forward voltage at 3.0A
1.00
1.30
1.85
10
200
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage TA = 125°C
IR
µA
50
50
75
40
Typical reverse recovery time (Note 1)
Typical junction capacitance at 4.0V, 1MHz
NOTES:
ns
trr
CJ
PF
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
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