DS25003 Rev. D-3 1 of 2 HER301-HER305
Features
Mechanical Data
·Case: Molded Plastic
·Terminals: Plated Axial Leads, Solderable per
MIL-STD-202, Method 208
·Polarity: Color Band Denotes Cathode
·Approx. Weight: 1.2 grams
Ratings at 25° C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
Maximum Ratings and Electrical Characteristics
Characteristic Symbol HER301 HER302 HER303 HER304 HER305 Unit
Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 300 400 V
Maximum RMS Voltage VRMS 35 70 140 210 280 V
Maximum DC Blocking voltage VDC 50 100 200 300 400 V
Maximum Average Forward Rectified Current 9.5mm Lead
Length @ TA=50°C I(AV) 3.0 A
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load
(JEDEC method)
IFM 125 A
Maximum Instantaneous Forward Voltage at 3.0 A DC VF1.1 V
Maximum DC Reverse Current at Rated DC Blocking
Voltage @ TA=25°C IR10 µA
Maximum Full Load Reverse Current Full Cycle Average
9.5mm Lead Length @ TC=55°C IR150 µA
Maximum Reverse Recovery Time (Note 1) TRR 50 nS
Typical Junction Capacitance (Note 2) CJ70 pF
Operating and Storage Temperature Range TJ,T
STG -65 to +150 °C
Notes: 1. Reverse Recovery Test Conditions: IF=0.5 A, IR=1.0 A, IRR=0.25A
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
·Low Power Loss, High Efficiency
·Low Leakage
·Low Forward Voltage Drop
·High Current Capability
·High Speed Switching
·High Surge Current Rating
·High Reliability
·Plastic Material - UL Flammability
Classification 94V-0
AA
B
C
D
HER301 - HER305
3.0A HIGH EFFICIENCY RECTIFIER
DO-201AD
Dim Min Max
A25.4 —
B— 9.5
C1.2 1.3
D4.8 5.2
All Dimensions in mm
DS25003 Rev. D-3 2 of 2 HER301-HER305
0
100
175
1 10 100 1000
I , PEAK FORWARD SURGE CURRENT (AMPERES)
F
NUMBER OF CYCLES AT 60 Hz
Fi
g
. 4, Max. Non-Repetitive Peak Forward Sur
g
e Current
0
0 25 50 75 100 125 150 175
I , AVERAGE FORWARD CURRENT (AMPERES)
AV
T , AMBIENT TEMPERATURE (°C)
Fi
g
.1, T
y
pical Forward Current Deratin
g
Curve
A
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.5
1.0
1.5
2.0
2.5
3.0
0
25
50
75
100
125
150
1
75
0.1 1.0 10 100 1000
C , JUNCTION CAPACITANCE (pF)
J
V , REVERSE VOLTAGE (VOLTS)
Fi
g
.5, T
y
pical Junction Capacitance
R
0.01
0.1
1.0
10
100
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
I , INSTANTANEOUS FORWARD CURRENT (A
)
F
V , INSTANTANEOUS FWD VOLTAGE (V)
Fi
g
.3, T
y
p. Instantaneous Forward Characteristics
F
T = 25°C
J
0.01
0.1
1.0
10
100
1000
0 20 40 60 80 100 120 140
I , INSTANTANEOUS FORWARD CURRENT (µA)
F
PERCENT OF RATED PEAK REVERSE VOLTAGE
Fi
g
.2, T
y
pical Reverse Characteristics
T = 150°C
J
T = 100°C
J
T = 25°C
J
