PMLL4148L,115 – 75V Small Signal Diode – Nexperia

The PMLL4148L,115 from Nexperia is a high-performance small signal switching diode engineered for precision circuit applications. Delivering ultra-fast switching and low leakage characteristics, this surface-mount component ensures reliable signal processing while optimizing board space. PCX supplies this industry-standard diode with guaranteed stock availability and rapid shipping.

Key Features

• Ultra-Fast Switching: 4ns reverse recovery time for high-frequency operation
• Low Power Loss: Forward voltage of 1V max @ 50mA
• High Reverse Voltage: 75V DC reverse voltage rating
• Minimal Leakage: Only 25nA @ 20V reverse leakage current
• Compact Surface Mount: LLDS; MiniMelf (DO-213AC) package
• Wide Temperature Range: Operates up to 200°C junction temperature

Technical Specifications

This standard technology diode features a silicon construction with 200mA average rectified current handling. Its low junction capacitance (4pF @ 0V, 1MHz) minimizes signal distortion in high-speed circuits. The SOD-80 compliant surface-mount package enables automated assembly processes while providing robust mechanical stability. Designed for active applications requiring precise signal control.

Typical Applications

• High-frequency signal demodulation circuits
• Switching power supply protection clamps
• High-speed data line protection
• RF mixer and detector modules
• Portable electronics signal conditioning

About Nexperia

Nexperia stands as a global leader in discrete semiconductors and logic devices, leveraging over 50 years of innovation in the electronics industry. Their components are renowned for exceptional quality control, meeting rigorous automotive-grade standards while serving diverse industrial markets.

The company maintains state-of-the-art manufacturing facilities producing over 100 billion components annually. Nexperia’s commitment to reliability and technological advancement makes them a preferred partner for critical circuit designs requiring uncompromising performance.

About Small Signal Diodes

Small signal diodes serve as fundamental building blocks in electronic circuits, managing signal directionality and voltage thresholds in low-power applications. Their fast switching characteristics make them indispensable for high-frequency operations where timing precision is critical.

These components enable essential functions including signal clipping, waveform shaping, and reverse polarity protection across consumer electronics, telecommunications, and industrial control systems. Selecting diodes with optimized speed and leakage specifications directly impacts circuit efficiency and signal integrity.

Packaging Options

Available in industry-standard formats including Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® configurations to support both prototyping and volume production requirements.

Frequently Asked Questions

Question: What is the reverse recovery time significance?
Answer: The 4ns trr enables operation in circuits exceeding 100MHz, preventing signal distortion during rapid switching cycles.

Question: Is this diode suitable for automotive applications?
Answer: Yes, its -65°C to +175°C operating range and robust construction meet demanding environmental requirements.

Question: How does MiniMelf package benefit designs?
Answer: The SOD-80 package offers 60% smaller footprint than SOD-123 while maintaining superior thermal performance.

Question: Can it handle surge currents?
Answer: While rated for 200mA continuous current, it withstands 450mA non-repetitive peak surges (consult datasheet).

Question: What distinguishes switching diodes from rectifiers?
Answer: Switching diodes optimize speed and low capacitance, whereas power rectifiers prioritize higher current handling.

Question: Does PCX provide design support?
Answer: Our technical team offers application guidance and access to the full datasheet for integration assistance.

Disclaimer: Product images are representational; refer to datasheet for exact dimensions.

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