- 326 -
HER101SG THRU HER108SG
1.0 AMP. Glass Passivated High Efficient Rectifiers
Voltage Range
50 to 1000 Volts
Current
1.0 Ampere
Features
Low forward voltage drop
High current capability
High reliability
High surge current capability
Mechanical Data
Case: Molded plastic A-405
Epoxy: UL 94V-O rate flame retardant
Lead: Axial leads, solderable per MIL-STD-
202, Method 208 guaranteed
Polarity: Color band denotes cathode end
High temperature soldering guaranteed:
260
o
C/10 seconds/.375",(9.5mm) lead
lengths at 5 lbs., (2.3kg) tension
Mounting position: Any
Weight: 0.22 gram
A-405
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25
ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Type Number
Symbol
HER
101SG
HER
102SG
HER
103SG
HER
104SG
HER
105SG
HER
106SG
HER
107SG
HER
108SG
Units
Maximum Recurrent Peak Reverse Voltage
V
RRM
50 100 200 300 400 600 800 1000
V
Maximum RMS Voltage
V
RMS
35
70 140 210 280 420 560 700
V
Maximum DC Blocking Voltage
V
DC
50 100 200 300 400 600 800 1000
V
Maximum Average Forward Rectified
Current .375 (9.5mm) Lead Length
@T
A
= 55
I
(AV)
1.0 A
Peak Forward Surge Current, 8.3 ms
Single Half Sine-wave Superimposed on
Rated Load (JEDEC method )
I
FSM
30 A
Maximum Instantaneous Forward Voltage
@ 1.0A
V
F
1.0 1.3
1.7 V
Maximum DC Reverse Current
@ T
A
=25
at Rated DC Blocking Voltage
@ T
A
=125
I
R
5.0
150
uA
uA
Maximum Reverse Recovery Time
( Note 1 )
Trr
50 75
nS
Typical Junction Capacitance ( Note 2 )
Cj
20 15
pF
Typical Thermal Resistance ( Note 3 )
R
JA
90
/W
Operating Temperature Range
T
J
-65 to +150
Storage Temperature Range
T
STG
-65 to +150
Notes: 1. Reverse Recovery Test Conditions: I
F
=0.5A, I
R
=1.0A, I
RR
=0.25A
2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C.
3. Mount on Cu-Pad Size 5mm x 5mm on PCB.
- 327 -
FIG.1- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50
W
NONINDUCTIVE
1W
NON
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
PULSE
GENERATOR
(NOTE 2)
DUT
(+)
50Vdc
(approx)
(-)
NOTES: 1. Rise Time=7ns max. Input Impedance=
1 megohm 22pf
2. Rise Time=10ns max. Sourse Impedance=
50 ohms
(-)
(+)
10
W
NONINDUCTIVE
-1.0A
-0.25A
0
+0.5A
trr
1cm
SET TIME BASE FOR
5/ 10ns/ cm
FIG.2- MAXIMUM FORWARD
CURRENT DERATING CURVE
A
VERAGE
FOR
W
ARD
CURRENT
.
(A)
25
50
75
100 125 150 175
1.0
2.0
AMBIENT TEMPERATURE. ( C)
o
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375" (9.5mm)
Lead Length
RATINGS AND CHARACTERISTIC CURVES (HER101SG THRU HER108SG)
FIG.5- MAXIMUM NON-REPETITIVE FORWARD SURGE
CURRENT
PEAK
FOR
W
ARD
SURGE
CURRENT
.
(A)
1
2
5
10
20
100
50
10
0
15
20
30
25
35
40
NUMBER OF CYCLES AT 60Hz
8.3ms Single Half Sine Wave
JEDEC Method
FIG.4- TYPICAL FORWARD CHARACTERISTICS
INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
.
(A)
0.2
0.4
0.6
0.8
1.0
1.2
1.4
100
10
1
0.1
0.01
FORWARD VOLTAGE. (V)
Tj=25 C
0
HER101SG~HER104SG
HER105SG
HER106SG~HER108SG
FIG.6- TYPICAL JUNCTION CAPACITANCE
JUNCTION
CAP
ACIT
ANCE.(pF)
0.1
0.5
1
5
2
10
20
50
100 200
500
10
0
20
30
40
50
60
70
REVERSE VOLTAGE. (V)
Tj=25 C
0
HER101SG~HER105SG
HER106SG~HER108SG
FIG.3- TYPICAL REVERSE CHARACTERISTICS
0
20
40
60
80
100
120
0.1
1
10
100
1000
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
Tj=25 C
0
Tj=125 C
0
INST
ANT
ANEOUS
REVERSE
CURRENT
.(
A
)
800
0
140
Tj=75 C
0
0
0
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