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Littelfuse 4-Element Bi-Directional TVS Diode Array 600 W, 2-Pin SOD-323 SP4021-01FTG-C
Specifications
| Country of Origin | China |
|---|---|
| Brand | Littelfuse |
| Height | 1.04mm |
| Length | 1.9mm |
| Model | SP4021-01FTG-C |
| Width | 1.45mm |
| Mount Type | Surface |
| Series | SP4021 |
| Maximum Operating Temperature | 125°C |
| Package Type | SOD-323 |
| Minimum Operating Temperature | -40°C |
| Interfaces | Ethernet |
| Pin Count | 2 |
| Number of Elements per Chip | 4 |
| Clamping Voltage VC | 19.6V |
| Automotive Standard | AEC-Q101 |
| Diode Configuration | Array |
| Direction Type | Bi-Directional |
| Minimum Breakdown Voltage Vbr | 6.3V |
| Maximum Reverse Stand-off Voltage Vwm | 5V |
| Peak Pulse Power Dissipation Pppm | 600W |
| Test Current It | 2μA |
| Maximum Peak Pulse Current Ippm | 25A |
| Maximum Reverse Leakage Current | 500nA |
Key Features
- Provides bi-directional diode array protection with 4 elements per chip.
- Maximum peak pulse current rating of 25 A safeguards against lightning-induced surges.
- Low capacitance of 2.5 pF typical for preserving signal integrity on high-speed data interfaces.
- Compact surface-mount package measuring 1.9 mm length x 1.45 mm width x 1.04 mm height.
- Wide operating temperature range from -40°C to 125°C ensures reliable performance in harsh environments.
- Enhanced ESD protection suitable for Ethernet, USB, and power port applications.
- Complies with automotive standard AEC-Q101 for automotive-grade reliability.
- Low clamping voltage of 19.6 V protects sensitive electronic components from voltage spikes.
Product Description
Littelfuse SP4021-01FTG-C is a 4-element bi-directional TVS diode array designed to provide high-performance surge and ESD protection for sensitive electronic circuits. This device delivers a peak pulse power dissipation of 600 W and is housed in a compact 2-pin SOD-323 surface-mount package, optimized for space-constrained PCB layouts.
Featuring a low capacitance of 2.5 pF, this diode array is ideal for protecting high-speed data lines such as 10/100/1000 Ethernet, USB 1.1/2.0 interfaces, and power ports, minimizing signal distortion or data loss. The device handles surge currents up to 25 A and operates reliably across a broad temperature range from -40°C to 125°C, making it suitable for industrial, automotive, and telecommunications applications.
The SP4021-01FTG-C series offers enhanced ESD protection and low clamping voltages (typical VC of 19.6 V) to prevent damage to sensitive semiconductor chips during voltage transients. Its surface-mount package eases automated assembly methods, supporting efficient manufacturing workflows.
Bi-Directional TVS diode array with 4 elements per chip for comprehensive protection. 600 W peak pulse power handling for robust surge immunity. Low capacitance helps maintain signal integrity on high-speed communication lines.
Compact SOD-323 surface mount package for space-saving design. Wide operating temperature range (-40°C to 125°C) for harsh environmental conditions. Automotive grade with AEC-Q101 certification for vehicle electronics. Low dynamic resistance (RDYN of 0.52 Ω) improves clamping efficiency.
Suitable for industrial, telecommunications, medical equipment, and computer peripheral applications.
This Littelfuse TVS Diode Array enables designers to protect sensitive electronics against electrical surges and ESD events effectively while preserving signal quality. Its proven reliability and small form factor make it an excellent choice for modern electronic component protection.
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Frequently Asked Questions
The peak pulse power dissipation of this model is 600 W, providing robust surge immunity for sensitive electronic circuits.
It has a maximum peak pulse current rating of 25 A, which helps safeguard against lightning-induced surges.
The typical clamping voltage (VC) is 19.6 V, which protects sensitive electronic components from voltage spikes.
The operating temperature range is from -40°C to 125°C, ensuring reliable performance in harsh environments.
This model is housed in a compact 2-pin SOD-323 surface-mount package, optimized for space-constrained PCB layouts.
It is suitable for protecting high-speed data lines such as Ethernet and USB interfaces, minimizing signal distortion.
The typical capacitance is 2.5 pF, which helps maintain signal integrity on high-speed communication lines.
It complies with the automotive standard AEC-Q101, ensuring reliability for vehicle electronics.
The SP4021-01FTG-C features a bi-directional diode array with 4 elements per chip for comprehensive protection.
The height of this model is 1.04 mm, contributing to its compact design.
The maximum reverse stand-off voltage (Vwm) is 5 V, which is critical for protecting sensitive components.
The minimum breakdown voltage (Vbr) is 6.3 V, providing a threshold for voltage protection.
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