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US3M-13

3A 1000V ultra-fast rectifier, 85ns trr, SMC (DO-214AB), 120A surge

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Manufacturer Part：

US3M-13

Package：

SMC (DO-214AB, 7.11 x 6.22 x 2.42 mm)

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Description

Product Overview

The US3M-13 from Diodes Incorporated is a 3A, 1000V ultra-fast recovery rectifier in SMC (DO-214AB) surface-mount package with 85ns reverse recovery time for high-efficiency power conversion.

Key Specifications

Type Ultra-Fast Recovery Rectifier
Reverse Voltage (VRRM) 1000V
Forward Current (IF) 3A
Forward Voltage (VF) 1.5V typical / 1.8V max @ 3A
Reverse Recovery Time (trr) 70ns typical / 85ns max
Reverse Leakage (IR) 10uA @ 1000V
Surge Current (IFSM) 120A
Junction Capacitance 25pF @ 4V, 1MHz
Package SMC (DO-214AB)
Junction Temperature -65 to +175 C

Features

  • Ultra-fast recovery: 70ns typical
  • High reverse voltage: 1000V
  • High surge current: 120A
  • Glass passivated die for reliability
  • Low leakage current: 10uA @ 1000V
  • SMC surface-mount package

Applications

  • Switching power supply rectification
  • Freewheeling diode in inverters
  • Snubber and clamp circuits
  • PFC boost diode

The US3M-13 from Diodes Incorporated is a 3A, 1000V ultra-fast recovery rectifier designed for high-efficiency power conversion applications. The device features a reverse recovery time of only 70ns typical (85ns max), which significantly reduces switching losses in high-frequency circuits compared to standard recovery rectifiers. The glass-passivated die construction ensures high reliability and reverse breakdown voltage stability. With a forward voltage drop of 1.5V typical at 3A and a low reverse leakage current of 10uA at 1000V, the US3M-13 offers a good balance between conduction and blocking losses. The high non-repetitive surge current rating of 120A provides robust protection against inrush currents and transient events. The SMC (DO-214AB) surface-mount package offers a compact footprint with efficient thermal dissipation, suitable for automated PCB assembly.

The US3M-13 operates as a PN junction rectifier with optimized carrier lifetime control: (1) Forward conduction – When the anode voltage exceeds the cathode by more than the forward voltage (approximately 1.5V at 3A), the PN junction becomes forward biased and conducts current. Majority carriers (holes from P-region and electrons from N-region) flow across the junction, and minority carriers are injected into both regions, establishing a stored charge. (2) Reverse recovery – When the applied voltage reverses, the stored minority carriers must be removed before the junction can block current. In ultra-fast rectifiers like the US3M-13, the carrier lifetime is reduced through controlled platinum diffusion or similar lifetime killing techniques. This dramatically shortens the reverse recovery time to 70ns typical, compared to microseconds for standard recovery diodes. The shorter recovery time means less energy is dissipated during each switching transition, improving efficiency at high switching frequencies. (3) Reverse blocking – After the stored charge is cleared, the PN junction blocks reverse voltage up to 1000V. The glass passivation layer protects the junction edges from contamination and ensures stable breakdown characteristics over time and temperature.

Pin Name Function
1 Cathode Cathode terminal (marked with band)
2 Anode Anode terminal
  • Switching power supply output rectification at high frequencies where 70ns reverse recovery minimizes switching losses
  • Freewheeling diode in inverter circuits requiring 1000V blocking and fast recovery for motor drive applications
  • Snubber and clamp circuits in flyback converters using ultra-fast recovery to protect switching transistors
  • PFC boost diode in power factor correction circuits demanding low recovery loss at 1000V
Model Manufacturer Key Difference
US3M-13-F Diodes Inc Lead-free version, same specs
MUR320E3/51T onsemi 3A/200V, faster trr=35ns
US2M-13 Diodes Inc 2A version, SMA package
ES3J-13-F Diodes Inc 3A/600V, super-fast trr=35ns
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Quality Assurance

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
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4. Professional Reliability Control

For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

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If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

Contact Us

If you have inquiries about our quality standards, inspection procedures or product certification documents, please feel free to contact us:

 

Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Shipping & Payment

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

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6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

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  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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