D
S25003 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
V
RRM
50
100
200
300
400
V
Maximum RMS Voltage
V
RMS
35
70
140
210
280
V
Maximum DC Blocking voltage
V
DC
50
100
200
300
400
V
Maximum Average Forward Rectified Current 9.5mm Lead
Length
@ T
A
=50C
I
(AV)
3.0
A
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load
(JEDEC method)
I
FM
125
A
Maximum Instantaneous Forward Voltage at 3.0 A DC
V
F
1.1
V
Maximum DC Reverse Current at Rated DC Blocking
Voltage
@ T
A
=25C
I
R
10
A
Maximum Full Load Reverse Current Full Cycle Average
9.5mm Lead Length
@ T
C
=55C
I
R
150
A
Maximum Reverse Recovery Time (Note 1)
T
RR
50
nS
Typical Junction Capacitance (Note 2)
C
J
70
pF
Operating and Storage Temperature Range
T
J
, T
STG
-65 to +150
C
Notes:
1. Reverse Recovery Test Conditions: I
F
=0.5 A, I
R
=1.0 A, I
RR
=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
A
A
B
C
D
HER301 - HER305
3.0A HIGH EFFICIENCY RECTIFIER
DO-201AD
Dim
Min
Max
A
25.4
--
B
--
9.5
C
1.2
1.3
D
4.8
5.2
All Dimensions in mm
D
S25003 Rev. D-3 2 of 2 HER301-HER305
0
100
175
1
10
100
1000
I
,
PEAK
FOR
W
ARD
SURGE
CURRENT
(AMPERES)
F
NUMBER OF CYCLES AT 60 Hz
Fig. 4, Max. Non-Repetitive Peak Forward Surge Current
0
0
25
50
75
100
125 150 175
I
,
A
VERAGE
FOR
W
ARD
CURRENT
(AMPERES)
AV
T , AMBIENT TEMPERATURE (C)
Fig. 1, Typical Forward Current Derating 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
175
0.1
1.0
10
100
1000
C
,
JUNCTION
CAP
ACIT
ANCE
(pF)
J
V , REVERSE VOLTAGE (VOLTS)
Fig. 5, Typical 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
,
INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
(A
)
F
V , INSTANTANEOUS FWD VOLTAGE (V)
Fig. 3, Typ. Instantaneous Forward Characteristics
F
T = 25C
J
0.01
0.1
1.0
10
100
1000
0
20
40
60
80
100 120 140
I
,
INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
(A)
F
PERCENT OF RATED PEAK REVERSE VOLTAGE
Fig. 2, Typical Reverse Characteristics
T = 150C
J
T = 100C
J
T = 25C
J
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