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In Stock: 6,666
1kA 420V 2 1812 Gas Discharge Tube (GDT) ROHS
SG420
1812 (4532 metric)
The SG420 from Littelfuse is an inrush current limiter designed for high power applications. Key features include:
Fast switching with rise/fall times below 500 ps.
High isolation and common mode rejection ratio.
Compact surface mount package (1812) for easy integration.
The SG420 finds application in communication equipment, CATV systems, text equipment, power supplies, and broadband devices. It helps protect sensitive components from sudden current surges during device startup.
The SG420 by Littelfuse offers several key features:
Fast switching with rise/fall times <500 ps & <1 ns, respectively.
High current capacity, capable of handling up to 5A sustained current.
Pulse width modulation (PWM) capability for precise control over electrical signals.
Surface mount package, designed for easy integration in electronic circuits.
These features make the SG420 suitable for various applications in communication and broadband equipment.
The package type of SG420 is 1812, which corresponds to a 4532 Metric size.
The product information provided does not include the specific pin count and function for SG42
To get this information, you would need to consult LITTELFUSE's datasheet or official documentation for SG420.
The manufacturer of the SG420 is LiteFuse, a company that specializes in designing and producing electronic components, particularly fuses and power protection devices. LiteFuse is known for its innovation and industry presence.
The SG420 is an inrush current limiter designed for various telecom applications, including communication equipment, CATV, power supplies, and broadband devices. Its key features help protect sensitive circuits from sudden surges in current.
The SG420 from Littelfuse has equivalents in various inrush current limiters with similar ratings such as low ESR, fast switching, high power density handling, and compatibility with communication equipment or telecom SLIC protection.
MIN Sparkover Voltage (V) | 315 | Nom DC Sparkover (V) | 420 |
---|---|---|---|
Max DC Spark over Voltage | 525 | Max Impulse Sparkover Voltage @ 100V/us (V) | 800 |
Max Impulse Breakdown Voltage @ 1kV/us (V) | 1000 | Insulation Resistance | 1 |
Capacitance (Co) (pF) | 1 | Impulse Discharge Current @8/20μs (kA) | 1 |
Electrodes | 2 | Failsafe | No |
Insulation Resistance (Voltage Rating) | 1 | Packaging Method | T&R |
Operating Temperature | -40° to 90°C | Package/Case | 1812 (4532 metric) |
1.Q: What is the typical impulse discharge current rating of Littelfuse SG series GDT?
A: It can handle 1kA (8/20μs pulse) for 10 surges without failure.
2.Q: What is the operating temperature range of Littelfuse SG series GDT?
A: It operates from -40°C to +90°C.
3.Q: Does Littelfuse SG series GDT support automotive applications?
A: No, this GDT is not automotive-qualified (Automotive: No, PPAP: No).
4.Q: What is the typical DC sparkover voltage of Littelfuse SG series GDT?
A: The typical DC sparkover voltage is 420V at 100V/s.
5.Q: What is the package size of Littelfuse SG series GDT?
A: It comes in a surface-mount 1812 (4532 Metric) package with dimensions 4.5mm (L) x 3.2mm (W) x 2.7mm (H).
6.Q: What is the maximum impulse sparkover voltage of Littelfuse SG series GDT at 1kV/s?
A: The maximum impulse sparkover voltage is 1000V at 1kV/s.
7.Q: What are the typical applications for Littelfuse SG series GDT?
A: It’s ideal for protecting broadband equipment (e.g., ADSL2+), telecom circuits, and other surge-sensitive electronics due to its low insertion loss and robust surge diversion.
8.Q: What are the key features of Littelfuse SG series GDT?
A: Key features include high surge ratings (1000A pulse handling), miniature SMD package (4.5x3.2x2.7mm), low capacitance (1pF max), and stable performance for broadband applications like ADSL2+.
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