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HER208G
Technical Data
Data Sheet N1679, Rev. A
HER208G
HIGH EFFICIENCY RECTIFIERS
Reverse Voltage - 1000 Volts Forward Current - 2.0 Amperes
Features
DO-15
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-O
Ultra-fast switching for high efficiency
Low reverse leakage
Glass Passivated Die Construction
High forward surge current capability
High temperature soldering guaranteed 250/10 seconds,
0.375(9.5mm) lead length,5lbs. (2.3kg) tension
This is a Pb − Free Device
All SMC parts are traceable to the wafer lot
Additional testing can be offered upon request
Circuit Diagram
Mechanical Data
Case: JEDEC DO-15 molded plastic body
Terminals: Plated axial leads, solderable per MIL-STD-
750, Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.014 ounce, 0.40 grams
Maximum Ratings
Characteristics
Repetitive Peak Reverse Voltage
RMS Voltage
DC Blocking Voltage
Average Forward Current
Peak One Cycle Non-Repetitive
Surge Current
Symbol
VRRM
VRMS
VDC
IF (AV)
IFSM
Condition
-
-
-
50% duty cycle @TA = 50rectangular
wave form
8.3 ms, half Sine pulse
Max.
1000
700
1000
2.0
60
Units
V
V
V
A
A
Electrical Characteristics
Characteristics
Forward Voltage Drop*
Reverse Current*
Junction Capacitance
Reverse Recovery Time
Symbol
VF1
IR1
IR2
CJ
Trr
Condition
@ 2.0A, Pulse, TJ = 25
@VR = rated VR
TJ = 25
@VR = rated VR
TJ = 100
@VR = 4V, TC = 25 C
fSIG = 1MHz
IF=0.5A,IR=1.0A,Irr=0.25A
Typ.
1.41
3
-
20
-
* Pulse width < 300 µs, duty cycle < 2%
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Max.
1.7
5
Units
V
A
100 A
- pF
75 ns

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Technical Data
Data Sheet N1679, Rev. A
Thermal-Mechanical Specifications
Characteristics
Junction Temperature
Storage Temperature
Typical Thermal Resistance Junction to
Ambient
Symbol
TJ
Tstg
RJA
Mechanical Dimensions DO-15
Ordering Information
Device
HER208G
Package
DO-15 (Pb-Free)
Shipping
3000pcs /tape
For information on tape and reel specifications, including part
orientation and tape sizes, please refer to our tape and reel
packaging specification.
Carrier Tape Specification DO-15
HER208G
Condition
-
-
-
Specification
-55 to +150
-55 to +150
50
Units
C
C
C/W
SYMBOL
A
B
C
D
Millimeters
Min.
25.4
5.5
0.7
2.6
Max.
-
7.62
0.9
3.6
Inches
Min.
1.000
0.217
0.028
0.104
Max.
-
0.300
0.034
0.140
Marking Diagram
HER208G = Part Name
SYMBOL
A
B
Z
T
E
IL1-L2I
Millimeters
Min.
4.50
50.9
-
5.60
-
-
Max.
5.50
53.9
1.20
6.40
0.80
1.0
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Technical Data
Data Sheet N1679, Rev. A
Ratings and Characteristics Curves
HER208G
China - Germany - Korea - Singapore - United States
http://www.smc-diodes.com - sales@ smc-diodes.com

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Technical Data
Data Sheet N1679, Rev. A
HER208G
DISCLAIMER:
1- The information given herein, including the specifications and dimensions, is subject to change without prior notice to improve product
characteristics. Before ordering, purchasers are advised to contact the SMC Diode Solutions sales department for the latest version of
the datasheet(s).
2- In cases where extremely high reliability is required (such as use in nuclear power control, aerospace and aviation, traffic equipment,
medical equipment , and safety equipment) , safety should be ensured by using semiconductor devices that feature assured safety or by
means of users’ fail-safe precautions or other arrangement .
3- In no event shall SMC Diode Solutions be liable for any damages that may result from an accident or any other cause during
operation of the user’s units according to the datasheet(s). SMC Diode Solution assumes no responsibility for any intellectual property
claims or any other problems that may result from applications of information, products or circuits described in the datasheets.
4- In no event shall SMC Diode Solutions be liable for any failure in a semiconductor device or any secondary damage resulting from use
at a value exceeding the absolute maximum rating.
5- No license is granted by the datasheet(s) under any patents or other rights of any third party or SMC Diode Solutions.
6- The datasheet(s) may not be reproduced or duplicated, in any form, in whole or part, without the expressed written permission of SMC
Diode Solutions.
7- The products (technologies) described in the datasheet(s) are not to be provided to any party whose purpose in their application will
hinder maintenance of international peace and safety nor are they to be applied to that purpose by their direct purchasers or any third
party. When exporting these products (technologies), the necessary procedures are to be taken in accordance with related laws and
regulations..
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