Parameter
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
@TA=25°C
Maximum instantaneous forward
voltage at current specified
Maximum reverse current DC
Operating temperature range
Storage temperature range
Maximum reverse recovery time (Note 1)
50
35
50
VRRM
VRMS
VDC
I(AV)
VF
IR
trr
TJ
TSTG
3.0
5.0
-55 ~ +150
-55 ~ +150
V
V
V
A
ns
°C
°C
Maximum repetitive peak reverse voltage
@IT = 5μA
NOTES:
1. R test conditions: IF=0.5A, IR=1.0A, IRR=0.25A(RGI circuit)everse recovery
Dimensions in inches and (millimeter)
DO-27
Features
-Glass passivated chip.
-High speed switching.
-Low forward voltage.
Mechanical data
-Case: JEDEC DO-27 molded plastic.
-Polarity: Color band denotes cathode end.
-Lead: Solderable per MIL-STD-202,
method 208 guaranteed.
-Mounting position: Any
-Weight: 0.844 grams
100
70
100
200
140
200
400
280
400
600
420
600
800
560
800
Page 1
Comchip Technology CO., LTD.
0.375(9.53)
1.000(25.40) Min.
0.209(5.30) DIA.
0.051(1.30) DIA.
0.047(1.19) DIA.
0.189(4.79) DIA.
0.285(7.24)
1.000(25.40) Min.
1.0 1.7
50 75
-Epoxy: UL retardant. 94V-0 rate flame
1000
700
1000
300
210
300
1.3
μA
V
-High reliability.
-High surge current capability.
Symbol Unit
HER
301G-G
HER
302G-G
HER
303G-G
HER
304G-G
HER
305G-G
HER
306G-G
HER
307G-G
HER
308G-G
HER301G-G Thru. HER308G-G
High Efficiency Rectifiers
Voltage: 50 to 1000 V
Current: 3.0 A
RoHS Device
Maximum Ratings and Electrical Characteristics
Ratings at 25°C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
REV:A
QW-BU012
Page 2
Comchip Technology CO., LTD.
Rating and Characteristic Curves (HER301G-G Thru. HER308G-G)
Fig.3 - Peak Forward Surge Current
0
Peak Forward Surge Current, (A)
Number of Cycles at 60Hz
1
Fig.1 - Forward Current Derating Curve
Average Forward Current, (A)
Ambient Temperature, (°C)
0 25 75 175
0
1.5
2.5
100
180
3.0
Fig.2 - Typical Forward Characteristics
0.1
Instantaneous Forward Current, (A)
Instantaneous Forward Voltage, (V)
10
100
1.0
100 125
1.0
2.0
50 150
0.5
10
30
150
2
0.4 0.8 1.0 1.6
0.2 1.2
0.6
Single phase half wave
Resistive or inductive load
120
single half-sine-wave
1.81.4
HER301G-G to HER304G-G
TJ= 25°C
Pulse width = 300us
Pulse width 8.3 ms
60
90
HER305G-G
HER306G-G to HER308G-G
Fig.4 - Typical Junction Capacitance
10
Capacitance, (pF)
Reverse Voltage, (V)
10 100
100
1
1
TJ = 25°C , f = 1MHz
HER301G-G to HER305G-G
HER306G-G to HER308G-G
REV:A
High Efficiency Rectifiers
QW-BU012
Page 3
Comchip Technology CO., LTD.
B
Taping Specification For Axial Lead Diodes
L1
L2
E A Z
T
E
90° ± 5°
L
H
W
D D
Do
D1
W0
L1
0.039 (max)
1.00 (max)
L2
0.039 (max)
1.00 (max)
B Z T E
10.00 ± 0.50
52.00 ± 0.50 6.00 ± 0.40
1.20 (max) 1.00 (max)
2.047 ± 0.020
0.394 ± 0.020 0.047 (max) 0.236 ± 0.016 0.039 (max)
A
SYMBOL
(mm)
(inch)
DO-27
LW H
75.00
2.953
145.00
5.709
260.00
10.236
D
330.00
13.000
D1D0
85.70 ± 0.30
3.374 ± 0.012
16.60 ± 0.40
0.654 ± 0.016
W0
72.00 ± 3.00
2.835 ± 0.118
(inch)
(mm)
DO-27
SYMBOL
REV:A
High Efficiency Rectifiers
QW-BU012
Page 4
Comchip Technology CO., LTD.
XXX = Product type marking code
Standard Packaging
Marking Code
Marking code
HER301G
HER302G
HER303G
HER304G
HER305G
HER306G
HER307G
HER308G
HER301G
HER302G
HER303G
HER304G
HER305G
HER306G
HER307G
HER308G
HER301G
HER302G
HER303G
HER304G
HER305G
HER306G
HER307G
HER308G
Part Number
HER301GB-G
HER302GB-G
HER303GB-G
HER304GB-G
HER305GB-G
HER306GB-G
HER307GB-G
HER308GB-G
HER301GT-G
HER302GT-G
HER303GT-G
HER304GT-G
HER305GT-G
HER306GT-G
HER307GT-G
HER308GT-G
HER301GA-G
HER302GA-G
HER303GA-G
HER304GA-G
HER305GA-G
HER306GA-G
HER307GA-G
HER308GA-G
Packaging
AMMO
AMMO
AMMO
AMMO
AMMO
AMMO
AMMO
AMMO
BULK
BULK
BULK
BULK
BULK
BULK
BULK
BULK
REEL
REEL
REEL
REEL
REEL
REEL
REEL
REEL
1) Suffix code after part number to specify packaging item .
Note:
Packaging
AMMO PACK
BULK PACK
Code
A
B
REEL PACK T
Case Type
DO-27 1,200
BOX
( pcs )
AMMO PACK
CARTON
( pcs )
12,000
Case Type
DO-27
200
BOX
( pcs )
500
BULK PACK
CARTON
( pcs )
10,000
12,000
Case Type
DO-27 1,200
REEL
( pcs )
REEL PACK
Reel Size
(inch)
13
REV:A
High Efficiency Rectifiers
QW-BU012
HERXXXG
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Comchip Technology:
HER301G-G HER302G-G HER303G-G HER304G-G HER305G-G HER306G-G HER307G-G HER308G-G
HER307GA-G HER308GT-G HER302GA-G HER305GT-G HER301GT-G HER307GT-G HER304GT-G
HER303GT-G HER308GA-G HER302GT-G HER306GA-G HER304GA-G HER303GA-G HER301GA-G
HER306GT-G HER305GA-G
