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Features
High efficiency, Low VF High current capability High reliability High surge current capability For use in low voltage, high frequency inventor, free wheeling, and polarity protection application.
Mechanical Data
Cases: Molded plastic Epoxy: UL 94V0 rate flame retardant Lead: Pure tin plated, lead free, solderable per MIL-STD-202, Method 208 guaranteed Polarity: Color band denotes cathode High temperature soldering guaranteed: o 260 C/10 seconds/.375",(9.5mm) lead lengths at 5 lbs., (2.3kg) tension Weight: 1.2grams
-
- TDD- D A Y A
HER301 -HER308
3.0 AMPS. High Efficient Rectifiers DO-201AD
-
Dimensions in inches and (millimeters)
Rating at 25 oC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%
Maximum Ratings and Electrical Characteristics
Type Number
Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375 (9.5mm) Lead Length @T A = 55 oC Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 3.0A Maximum DC Reverse Current @T A =25 oC at Rated DC Blocking Voltage @ T A =125 oC Maximum Reverse Recovery Time (Note 1) Typical Junction capacitance (Note 2) Typical Thermal Resistance Operating Temperature Range
Symbol HER 301 V RRM 50 V RMS 35 V DC 50 I(AV) IFSM VF IR Trr Cj R JA
TJ
HER 302 100 70 100
HER 303 200 140 200
HER 304 300 210 300
HER 305 400 280 400
HER 306 600 420 600
HER 307 800 560 800
HER Units 308 1000 V 700 V 1000 V A
3.0
150 1.0 1.3 10 250 50 70 40 -65 to +150 -65 to +150 75 50 1.7
A V uA uA nS pF o C/W o C o C
Storage Temperature Range T STG 1. Reverse Recovery Test Conditions: IF =0.5A, IR =1.0A, IRR =0.25A Notes: 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C. 3. Mount on Cu-Pad Size 16mm x 16mm on PCB.
Factory Address: Taiguan Industrial zone, Yanjinyu Dongjin Rode No.1, XinXiang, HeNan, China
RATINGS AND CHARACTERISTIC CURVES (HER301 THRU HER308)
FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE
6.0
1000
FIG.2- TYPICAL REVERSE CHARACTERISTICS
AVERAGE FORWARD CURRENT. (A)
5.0
INSTANTANEOUS REVERSE CURRENT. ( A)
4.0
100 Tj=100 0C
3.0
Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375" (9.5mm) Lead Length
2.0
20
- TDD- D A Y A
-
10
Tj=75 0C
1.0
0 0 25 50 75 100 125
O
150
175
AMBIENT TEMPERATURE. ( C)
1 Tj=25 0C
300
FIG.3- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT. (A)
0.1 0 200 8.3ms Single Half Sine Wave JEDEC Method 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
100
FIG.5- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
100 Tj=25 0C
0
1
10
100
1000
NUMBER OF CYCLES AT 60Hz
FIG.4- TYPICAL JUNCTION CAPACITANCE
175 150 125 100 75 50
HE
INSTANTANEOUS FORWARD CURRENT. (A)
10
R3 05
HE
JUNCTION CAPACITANCE.(pF)
1
HER301-HER304
R3
01
~H
ER
HE
30
R3
5
06~
0.1
HE
R3
08
25 0 0.1 0.5 1 2 5 10 20 50 100 200 500 REVERSE VOLTAGE. (V) 0.01 0 0.2
HER306-HER308
0.4
0.6
0.8
1.0
1.2
1.4
FORWARD VOLTAGE. (V)
FIG.6- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50 NONINDUCTIVE 10 NONINDUCTIVE +0.5A DUT (-) PULSE GENERATOR (NOTE 2) OSCILLOSCOPE (NOTE 1) (+) 0 -0.25A trr
(+) 50Vdc (approx) (-)
NON INDUCTIVE
NOTES: 1. Rise Time=7ns max. Input Impedance= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms
-1.0A 1cm SET TIME BASE FOR 5/ 10ns/ cm
Factory Address: Taiguan Industrial zone, Yanjinyu Dongjin Rode No.1, XinXiang, HeNan, China

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