Technical Data
Data Sheet N1225, Rev. C
China - Germany - Korea - Singapore - United States
http://www.smc-diodes.com - sales@ smc-diodes.com
401CNQ SERIES
401CNQ035/401CNQ040/401CNQ045
SCHOTTKY RECTIFIER
Characteristics
Symbol
Condition
Max.
Units
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
-
35
401CNQ035
V
40
401CNQ040
45
401CNQ045
Average Rectified Forward Current
IF(AV)
50% duty cycle @TC=1116°C,
rectangular wave form
200(Per Leg)
A
400(Per Device)
Peak One Cycle Non-Repetitive
Surge Current (Per Leg)
IFSM
8.3 ms, half Sine pulse
4140
A
Non-Repetitive Avalanche
Energy(Peg Leg)
EAS
TJ=25℃,IAS=40A,L=0.34mH
270
mJ
Repetitive Avalanche Current
(Peg Leg)
IAR
Current decaying linearly to zero
in 1 μsec Frequency limited by
TJmax. VA=1.5×VRtypical
40
A
Circuit Diagram
Applications
Maximum Ratings:
175℃TJoperation
Center tap module
High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
Low forward voltage drop
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
Baseplate: Nickel plated; Terminals: Nickel plated
This is a Pb − Free Device
All SMC parts are traceable to the wafer lot
Additional testing can be offered upon request
High current switching power supply
Plating power supply
Free-Wheeling diodes
Reverse battery protection
Converters
UPS System
Welding
PRM4 (Non-Isolated)
Technical Data
Data Sheet N1225, Rev. C
China - Germany - Korea - Singapore - United States
http://www.smc-diodes.com - sales@ smc-diodes.com
401CNQ SERIES
* Pulse width < 300 µs, duty cycle < 2%
Characteristics
Symbol
Condition
Specification
Units
Junction Temperature
TJ
-
-55 to +175
C
Storage Temperature
Tstg
-
-55 to +175
C
Typical Thermal Resistance Junction to
Case(Per leg)
RJC
DC operation
0.20
C/W
Typical Thermal Resistance Junction to
Case(Per package)
RJC
DC operation
0.10
C/W
Typical Thermal Resistance, case to
Heat Sink
Rcs
Mounting surface, smooth
and greased
0.10
C/W
Mounting Torque
TM
-
Mounting
Torque
24(min)
35(max)
Kg-cm
Terminal
Torque
35(min)
46(max)
Approximate Weight
wt
-
79
g
Case Style
PRM4 Non-Isolated
Electrical Characteristics:
Characteristics
Symbol
Condition
Typ.
Max.
Units
Forward Voltage Drop(Per Leg)*
VF1
@ 200A, Pulse, TJ= 25 C
@ 400A, Pulse, TJ= 25 C
0.56
0.67
0.67
0.78
V
VF2
@ 200A, Pulse, TJ= 125 C
@ 400A, Pulse, TJ= 125 C
0.50
0.60
0.56
0.68
V
Reverse Current(Per Leg)*
IR1
@VR= rated VR, TJ= 25 C
0.2
20
mA
IR2
@VR= rated VR, TJ= 125 C
100
180
mA
Junction Capacitance(Per leg)
CT
@VR= 5V, TC= 25 C
fSIG = 1MHz
8600
10300
pF
Voltage Rate of Change
dv/dt
-
-
10,000
V/s
Thermal-Mechanical Specifications:
Technical Data
Data Sheet N1225, Rev. C
China - Germany - Korea - Singapore - United States
http://www.smc-diodes.com - sales@ smc-diodes.com
401CNQ SERIES
Ratings and Characteristics Curves
Technical Data
Data Sheet N1225, Rev. C
China - Germany - Korea - Singapore - United States
http://www.smc-diodes.com - sales@ smc-diodes.com
401CNQ SERIES
For information on tape and reel specifications, including part
orientation and tape sizes, please refer to our tape and reel
packaging specification.
Mechanical Dimensions PRM4 Non-Isolated(Millimeters/Inches)
Marking Diagram
Ordering Information
Device
Package
Shipping
401CNQ SERIES
PRM4(Non- Isolated)
(Pb-Free)
9 pcs/box
Where XXXX is YYWW
401CNQ035 = Part name
SS = SS
YY = Year
WW = Week
Cautions：Molding resin
Epoxy resin UL:94V-0
Technical Data
Data Sheet N1225, Rev. C
China - Germany - Korea - Singapore - United States
http://www.smc-diodes.com - sales@ smc-diodes.com
401CNQ SERIES
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..