VOLTAGE RANGE 50 to 1000 Volts CURRENT 3.0 Amperes
HIGH EFFICIENCY SILICON RECTIFIER
HER301
THRU
HER308
FEATURES
*
*
*
*
*
*
*
Low power loss,high efficiency
Low leakage
Low forward voltage drop
High current capability
High speed switching
High reliability
High current surge
DO-201AD
MECHANICAL DATA
*
*
*
*
*
Epoxy: Device has UL flammability classification 94V-O
Case: Molded plastic
Lead: MIL-STD-202E method 208C guaranteed
Mounting position: Any
Weight: 1.20 grams
.052 ( 1.3 )
1.0 (25.4)
MIN.
.048 ( 1.2 )
DIA.
.375 (9.5)
.335 (8.5)
.220 ( 5.6 )
.197 ( 5.0 )
1.0 (25.4)
MIN.
DIA.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS
(@ T
A
=25
O
C unless otherwise noted)
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
A
= 50
O
C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Thermal Resistance (Note 1)
Typical Junction Capacitance (Note 2)
Operating Temperature Range
Storage Temperature Range
SYMBOL HER301 HER302 HER303 HER304
V
RRM
V
RMS
V
DC
I
O
I
FSM
R
q
JL
R
q
JA
C
J
T
J
T
STG
70
150
-55 to + 150
200
8.5
20
50
50
35
50
100
70
100
200
140
200
300
210
300
3.0
150
HER305
400
280
400
HER306
600
420
600
HER307
800
560
800
HER308 UNITS
1000
700
1000
Volts
Volts
Volts
Amps
Amps
0
C/W
pF
0
0
C
C
ELECTRICAL CHARACTERISTICS
(@T
A
=25
O
C unless otherwise noted)
CHARACTERISTICS
Maximum Instantaneous Forward Voltage at 3.0A DC
Maximum Average Reverse Current
at Rated DC Blocking Voltage
@T
A
= 25 C
@T
A
= 125 C
o
o
SYMBOL HER301 HER302 HER303 HER304
V
F
I
R
trr
50
1.0
1.3
5
HER305
HER306
HER307
1.7
HER308 UNITS
Volts
mA
mA
150
75
Maximum Reverse Recovery Time (Note 4)
nSec
2007-08
NOTES : 1. Thermal Resistance : Mounted on PCB.
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
3. “Fully ROHS compliant”, “100% Sn plating (Pb-free)”.
4. Test Conditions: I
F
= 0.5A, I
R
= -1.0A, I
RR
= -0.25A.
RATING AND CHARACTERISTICS CURVES ( HER301 THRU HER308 )
50
W
NONINDUCTIVE
10
W
NONINDUCTIVE
+0.5A
trr
(+)
25 Vdc
(approx)
(-)
D.U.T
(-)
PULSE
GENERATOR
(NOTE 2)
0
-0.25A
1
NON-
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
(+)
NOTES: 1 Rise Time = 7ns max. Input Impedance =
1 megohm. 22pF.
2. Rise Time = 10ns max. Source Impedance =
50 ohms.
-1.0A
1cm
SET TIME BASE FOR 20/1 ns/cm
FIG.1 TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
3.0
AVERAGE FORWARD CURRENT, (A)
INSTANTANEOUS REVERSE CURRENT, (uA)
1000
T
A
= 125
O
C
2.5
2.0
1.5
1.0
0.5
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
100
10
T
A
= 75
O
C
1.0
T
A
= 25
O
C
0
25
50
75
100
125
O
150
175
0.1
0
20
40
60
80
100
120
140
AMBIENT TEMPERATURE, ( C)
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG.2 TYPICAL FORWARD CURRENT
DERATING CURVE
FIG.3 TYPICAL REVERSE
CHARACTERISTICS
RATING AND CHARACTERISTICS CURVES ( HER301 THRU HER308 )
INSTANTANEOUS FORWARD CURRENT, (A)
PEAK FORWARD SURGE CURRENT, (A)
20
10
3.0
1.0
0.3
0.1
0.03
0.01
0
200
150
125
100
T
J
= 25 C
O
8.3ms Single Half Sine-Wave
(JEDED Method)
HER306~HER308
HER304~HER305
50
30
20
10
HER306~HER308
HER301~HER305
HER301~HER303
Pulse Width=300uS
1% Duty Cycle
0.5
1.0
1.5
2.0
2.5
3.0
3.5
1
5
10
50
100
INSTANTANEOUS FORWARD VOLTAGE, (V)
NUMBER OF CYCLES AT 60Hz
FIG.4 TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
200
JUNCTION CAPACITANCE, (pF)
HER301~HER305
FIG.5 MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
100
60
40
20
10
6
4
2
1
0.1 0.2
T
J
= 25
O
C
HER306~HER308
0.4
1.0
2
4
10
20
40
100
REVERSE VOLTAGE, (V)
FIG.6 TYPICAL JUNCTION CAPACITANCE
DISCLAIMER NOTICE
Rectron Inc reserves the right to make changes without notice to any product
specification herein, to make corrections, modifications, enhancements or other
changes. Rectron Inc or anyone on its behalf assumes no responsibility or liabi-
lity for any errors or inaccuracies. Data sheet specifications and its information
contained are intended to provide a product description only. "Typical" paramet-
ers which may be included on RECTRON data sheets and/ or specifications ca-
n and do vary in different applications and actual performance may vary over ti-
me. Rectron Inc does not assume any liability arising out of the application or
use of any product or circuit.
Rectron products are not designed, intended or authorized for use in medical,
life-saving implant or other applications intended for life-sustaining or other rela-
ted applications where a failure or malfunction of component or circuitry may di-
rectly or indirectly cause injury or threaten a life without expressed written appr-
oval of Rectron Inc. Customers using or selling Rectron components for use in
such applications do so at their own risk and shall agree to fully indemnify Rect-
ron Inc and its subsidiaries harmless against all claims, damages and expendit-
ures.
PCB Design
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