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1N5408 Power Diode : Pinout, Price, Datasheet

DIODE GEN PURP 1KV 3A DO201AD Hello everyone! Hope you’re good today.

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Jul 23, 2021

Gordon Sailsbury

1N4148 1N4007 1N5819 1N5399 1N5408 1N5822 FR107 FR207 5mm LED DIODE UNBOXING

 

DIODE GEN PURP 1KV 3A DO201AD

Hello everyone! Hope you’re good today. I welcome you on board. In this article today, I’ll be discussing 1n5408 diode.Just stay with me for a little while as I’ll walk you through the 1n5408 diode pinout, alternatives, features, applications and so on.Let’s begin!

1N5408

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1N5408 Description

1N5408 is a diode of 1N540x series. It is a power diode. It can be considered as an electronic check valve that allows current to flow in one direction only. It flows from the anode terminal to the cathode terminal. It carries low resistance in one direction and very high resistance in another direction. There are two terminals on the diode which name are anode and cathode. They are attached to the p-n junction. The cathode terminal is identified by the grey colored band.

 

For 1N5408 Diode, it comes with a peak reverse current of 10uA while forward voltage drop is equal to 1A. The maximum current carrying capacity is 3A it withstand peaks up to 200A. Hence we can use this in circuits that are designed for less than 3A.  The reverse current is 10uA which is negligible. These diodes have a slow recovery time so in modern electronics it is being replaced by other advanced diodes.

 

It is manufactured in DO201 package that is a slightly bigger package from DO-41 but can be used in replacement of many DO-41 diodes if slightly bigger space is available.

 

It is also an ideal diode if you are looking for a little bit more ampere handling capabilities as compare to DO-41 diodes for example 1N4007, 1N4148 etc. In most applications you can replace these diodes with 1N5408 to get more forward current.

1N5408 Pinout

1N5408 CAD Model

Symbol

 

Footprint

 

3D Model

1N5408 Features

• Small size and high current

• High surge current capability

• Low forward pressure drop

• No void economical plastic package

• Bulk supply

• Plastic meets UL 94V-0 flammability

Specifications

ON Semiconductor 1N5408 technical specifications, attributes, parameters and parts with similar specifications to ON Semiconductor 1N5408.

1N5408 Tech Specifications

ON Semiconductor 1N5408 technical specifications, attributes, parameters and parts with similar specifications to ON Semiconductor 1N5408.

Product Attribute Attribute Value
Contact PlatingTin
MountThrough Hole
Mounting TypeThrough Hole
Package / CaseDO-201AD, Axial
Number of Pins2Pins
Supplier Device PackageDO-201AD
Weight4.535924g
PackagingTape & Reel (TR)
Published2000
Part StatusObsolete
Moisture Sensitivity Level (MSL)1 (Unlimited)
Max Operating Temperature125°C
Min Operating Temperature-65°C
Capacitance30pF
Voltage - Rated DC1kV
Current Rating3A
Base Part Number1N5408
Product Attribute Attribute Value
PolarityStandard
Voltage1kV
Element ConfigurationSingle
SpeedStandard Recovery >500ns, > 200mA (Io)
Current3A
Diode TypeStandard
Current - Reverse Leakage @ Vr5μA @ 1000V
Power Dissipation6.25W
Output Current3A
Voltage - Forward (Vf) (Max) @ If1.2V @ 3A
Forward Current3A
Operating Temperature - Junction-55°C~150°C
Max Surge Current200A
Voltage - DC Reverse (Vr) (Max)1000V
Current - Average Rectified (Io)3A
Forward Voltage1.2V
Max Reverse Voltage (DC)1kV
Product Attribute Attribute Value
Average Rectified Current3A
Peak Reverse Current5μA
Max Repetitive Reverse Voltage (Vrrm)1kV
Capacitance @ Vr, F30pF @ 4V 1MHz
Peak Non-Repetitive Surge Current200A
Reverse Voltage1kV
Max Forward Surge Current (Ifsm)200A
Diameter5.6mm
Height5.6mm
Length9.5mm
Width5.6mm
REACH SVHCNo SVHC
Radiation HardeningNo
RoHS StatusRoHS Compliant
Lead FreeLead Free
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1N5408 Alternatives

Where to use 1N5408?

1N5408 can be used in many applications, mainly for rectification in battery chargers, power supplies, boosters, etc. But in addition, it can also be used for any general purpose application, which can block current in the circuit in the desired direction, block voltage spikes, etc.

1N5408 Applications

★  Prevent reverse polarity problem

★  Half Wave and Full Wave rectifiers

★  Protection device

★  Current flow regulators

★  Used in HV supplies

 

1N5408 Physical Dimensions

1N5408 Manufacturer

ON Semiconductor is a semiconductor supplier company. Products include power and signal management, logic, discrete and custom devices for automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace, and power applications. ON Semiconductor operates a network of manufacturing facilities, sales offices, and design centers in North America, Europe, and Asia Pacific.

Datasheet PDF

Download datasheets and manufacturer documentation for ON Semiconductor 1N5408.

1N5408 Documents

Download datasheets and manufacturer documentation for 1N5408

Frequently Asked Questions

1.What kind of diode is 1N5408?
1N5408 is a low-frequency power diode, which needs to be used in low-frequency circuits below 1000Hz.
2.Which one can replace the IN5408 diode?
It can be replaced with 1N5407 or 1N5406. 1N5408 is a high-power rectifier diode. Its maximum rectification current is 3A, and it supports a maximum reverse voltage of 1000V. When working at 1000V, the maximum reverse leakage current is 5μA (under standard temperature). Considering the safety factor, it can be used in 380V, 2A rectifier circuits.
3.Can the 1N5408 diode be replaced with 1N5406 if the diode is broken?
Whether the 1N5408 diode can be replaced with 1N5406 if it is broken depends on the voltage of the circuit. The reverse withstand voltage of 1N5408 can reach 1000V, and the reverse withstand voltage of 1N5406 is 600V. Of course, the 1000V withstand voltage is high and safe. If the actual working voltage of the circuit is not high, only 3 or 400 volts, 1N5406 is also fully capable. If you have a ready-made one, you don’t need to buy 1N5408 again. If the circuit voltage is 7, 800 volts, then must use 1N5408.
4.What is the difference between diode UF5408 and 1N5408?
1N5408 is a low-frequency rectifier tube, which is mainly used for rectification of mains (50/60Hz), and UF5408 is an ultra-fast recovery rectifier tube, which is mainly used for internal high-frequency rectification and freewheeling of switching power supplies.
5.Is it possible to reduce the power of the water dispenser by connecting the diode 1N5408 to the power cord of the water dispenser? Is this safe?
Can reduce the power effect, the power after stringing diodes is half of the original! But the voltage that your diode can tolerate needs to be greater than 220v, otherwise it will be broken down. The 1N5408 parameters are in line, which is safe.
FAQ
1.What kind of diode is 1N5408?
1N5408 is a low-frequency power diode, which needs to be used in low-frequency circuits below 1000Hz.
2.Which one can replace the IN5408 diode?
It can be replaced with 1N5407 or 1N5406. 1N5408 is a high-power rectifier diode. Its maximum rectification current is 3A, and it supports a maximum reverse voltage of 1000V. When working at 1000V, the maximum reverse leakage current is 5μA (under standard temperature). Considering the safety factor, it can be used in 380V, 2A rectifier circuits.
3.Can the 1N5408 diode be replaced with 1N5406 if the diode is broken?
Whether the 1N5408 diode can be replaced with 1N5406 if it is broken depends on the voltage of the circuit. The reverse withstand voltage of 1N5408 can reach 1000V, and the reverse withstand voltage of 1N5406 is 600V. Of course, the 1000V withstand voltage is high and safe. If the actual working voltage of the circuit is not high, only 3 or 400 volts, 1N5406 is also fully capable. If you have a ready-made one, you don’t need to buy 1N5408 again. If the circuit voltage is 7, 800 volts, then must use 1N5408.
4.What is the difference between diode UF5408 and 1N5408?
1N5408 is a low-frequency rectifier tube, which is mainly used for rectification of mains (50/60Hz), and UF5408 is an ultra-fast recovery rectifier tube, which is mainly used for internal high-frequency rectification and freewheeling of switching power supplies.
5.Is it possible to reduce the power of the water dispenser by connecting the diode 1N5408 to the power cord of the water dispenser? Is this safe?
Can reduce the power effect, the power after stringing diodes is half of the original! But the voltage that your diode can tolerate needs to be greater than 220v, otherwise it will be broken down. The 1N5408 parameters are in line, which is safe.

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