1SMB5940HR5G
Product Overview
Category
The 1SMB5940HR5G belongs to the category of surface mount silicon zener diodes.
Use
It is commonly used for voltage regulation and transient suppression in electronic circuits.
Characteristics
- Zener voltage: 15V
- Power dissipation: 3W
- Package type: SMB
- RoHS compliant
Package
The 1SMB5940HR5G is typically available in a SMB package, and it is sold in reels or tubes.
Specifications
- Zener voltage: 15V
- Power dissipation: 3W
- Forward voltage: 1.5V
- Reverse current: 5μA
- Operating temperature range: -65°C to +150°C
Detailed Pin Configuration
The 1SMB5940HR5G has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.
Functional Features
- Voltage regulation
- Transient suppression
- High power dissipation capability
Advantages
- Small form factor
- RoHS compliant
- Wide operating temperature range
Disadvantages
- Limited power dissipation compared to larger diodes
- Sensitive to overvoltage conditions
Working Principles
The 1SMB5940HR5G operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased.
Detailed Application Field Plans
- Voltage regulation in power supplies
- Transient suppression in communication equipment
- Overvoltage protection in automotive electronics
Detailed and Complete Alternative Models
- 1SMB5939BT3G
- 1SMB5938BT3G
- 1SMB5937BT3G
In conclusion, the 1SMB5940HR5G is a surface mount silicon zener diode with a zener voltage of 15V and a power dissipation of 3W. It is commonly used for voltage regulation and transient suppression in various electronic applications. While it offers advantages such as a small form factor and wide operating temperature range, it has limitations in power dissipation and sensitivity to overvoltage conditions. Its working principle is based on the Zener effect, and it finds application in power supplies, communication equipment, and automotive electronics. Alternative models include the 1SMB5939BT3G, 1SMB5938BT3G, and 1SMB5937BT3G.
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What is 1SMB5940HR5G?
- 1SMB5940HR5G is a surface mount, high power transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
What is the maximum peak pulse power of 1SMB5940HR5G?
- The maximum peak pulse power of 1SMB5940HR5G is 600 watts.
What is the breakdown voltage of 1SMB5940HR5G?
- The breakdown voltage of 1SMB5940HR5G is 43.6 volts.
What are the typical applications of 1SMB5940HR5G?
- Typical applications of 1SMB5940HR5G include protection of telecommunications equipment, automotive electronics, industrial control systems, and consumer electronics from voltage surges.
What is the operating temperature range of 1SMB5940HR5G?
- The operating temperature range of 1SMB5940HR5G is -55°C to +150°C.
What is the reverse stand-off voltage of 1SMB5940HR5G?
- The reverse stand-off voltage of 1SMB5940HR5G is 40 volts.
How does 1SMB5940HR5G provide overvoltage protection?
- 1SMB5940HR5G clamps the voltage across the protected circuit to a safe level by diverting excess current away from the circuit during transient events.
Can 1SMB5940HR5G be used for surge protection in power supply units?
- Yes, 1SMB5940HR5G can be used for surge protection in power supply units to safeguard against voltage spikes and surges.
What is the response time of 1SMB5940HR5G?
- The response time of 1SMB5940HR5G is very fast, typically responding within nanoseconds to clamp the voltage during transient events.
Is 1SMB5940HR5G RoHS compliant?
- Yes, 1SMB5940HR5G is RoHS compliant, making it suitable for use in environmentally sensitive applications.