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Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Single Diodes

Diodes Incorporated US1JDF-13

Name: US1JDF-13
Brand: Diodes Incorporated
SKU: US1JDF-13
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: US1JDF-13

Manufacturer:: Diodes Incorporated

Category:: Single Diodes

Package:: 2-SMD, Flat Leads

Datasheet:: US1JDF-13.pdf

Description:: DIODE GEN PURP 600V 1A DFLAT

Quantity:: RFQ Add To RFQ list

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Inventory:8,369

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Product details

Overview

US1JDF-13 from Diodes Incorporated is a 1.0A, 600V ultra-fast recovery surface-mount rectifier in the D-FLAT package, featuring 75ns reverse recovery time, 1.7V max forward voltage at 1.0A, and 5µA max reverse leakage at 25°C. It serves as a primary AC/DC or DC/DC output rectifier in compact power supplies requiring high efficiency and low profile mounting.

For engineers reviewing the US1JDF-13 datasheet, US1JDF-13 pinout, US1JDF-13 application, or US1JDF-13 equivalent, this device is selected for switching-mode power supply (SMPS) secondary-side rectification where fast recovery, low thermal resistance (44°C/W junction-to-terminal), and RoHS-compliant lead-free termination are critical design requirements.

Technical Context

This ultra-fast rectifier uses glass-passivated silicon die to achieve stable reverse breakdown (600V min) and low capacitance (10pF typical at 1MHz). Its 75ns t_RR enables operation at frequencies up to several hundred kHz without excessive switching loss.

The D-FLAT package provides low-profile mounting (<1.1mm height) with matte tin–annealed copper leadframe terminals, supporting automated reflow assembly and delivering 44°C/W thermal resistance from junction to terminal under standard FR-4 PCB conditions.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	600 V - Maximum repetitive reverse blocking voltage; defines safe operating limit in bridge or flyback output stage
I_O	1.0 A - Average rectified current at T_T = 25°C; derates to ~0.6A at 100°C ambient on standard PCB
t_RR	75 ns - Ultra-fast reverse recovery time; minimizes switching loss in 100–500 kHz SMPS designs
V_F Max	1.7 V @ 1.0A - Forward voltage drop determines conduction loss and thermal load in continuous conduction mode
I_R Max	5 µA @ 25°C - Low reverse leakage preserves efficiency in high-impedance hold-up or standby circuits
R_θJT	44 °C/W - Junction-to-terminal thermal resistance enables direct heat transfer to PCB copper pad for passive cooling
C_T	10 pF @ 1 MHz - Low junction capacitance reduces EMI generation and improves high-frequency rectifier stability

Pinout & Package

The US1JDF-13 is housed in the D-FLAT surface-mount package (case outline per Diodes Inc. spec: A=0.90–1.10mm, E=3.95–4.60mm, HE=5.00–5.60mm, L=0.50–1.30mm), with cathode indicated by a band on the top surface. The package has two terminals only: anode and cathode.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Input for forward-biased current flow	Connected to transformer secondary or switch node; must withstand peak inverse voltage during off-state
Cathode	Output for forward-biased current flow	Connected to output filter capacitor; polarity marking (band) ensures correct orientation during placement

Key Features

Feature	Design Value
Glass passivated die	Ensures long-term reliability and stable electrical parameters under humidity and thermal cycling stress
Ultra-fast 75ns recovery	Reduces switching loss and EMI in high-frequency DC-DC converters operating above 200 kHz
30A non-repetitive surge rating	Withstands inrush currents during cold-start or output short-circuit events without failure
D-FLAT package height <1.1mm	Enables use in ultra-thin power adapters and space-constrained IoT power modules
RoHS-compliant, halogen-free	Meets IPC-1752A material declaration requirements and supports green manufacturing compliance

Applications

AC-DC Adapter Secondary Rectification

USB PD Power Supply Output Stage

Use Scenario: 65W USB-C adapter converting 12V intermediate bus to 5–20V PPS output using synchronous or quasi-resonant topology.

IC Role / Device Role / Timing Role: Primary unidirectional current path in center-tapped or full-wave rectifier configuration; handles 1.0A average output current.

Use Value: 75ns t_RR prevents reverse recovery tail current from overlapping with high-side switch turn-on, reducing cross-conduction loss.

Use Scenario: Compact 30W USB PD wall charger with <15mm profile, requiring minimal board area and low thermal rise.

IC Role / Device Role / Timing Role: Output rectifier in flyback converter secondary side; operates continuously at 100–200 kHz switching frequency.

Use Value: D-FLAT package height <1.1mm allows full assembly within strict mechanical envelope while maintaining 44°C/W thermal path to PCB.

Industrial DC-DC Converter Input Protection

LED Driver Bulk Rectification

Use Scenario: 24V input industrial DC-DC module accepting wide-range 18–36V DC input with transient overvoltage protection.

IC Role / Device Role / Timing Role: Input polarity protection and bulk rectification before buck controller; blocks reverse feed and clamps transients.

Use Value: 600V V_RRM and 30A I_FSM provide margin against 40V+ line surges and hot-swap inrush without derating.

Use Scenario: Constant-current LED driver for commercial lighting, rectifying 120VAC bridge output prior to buck regulation.

IC Role / Device Role / Timing Role: High-efficiency output rectifier in offline LED driver with 1.0A average output current requirement.

Use Value: 1.7V V_F and 5µA I_R minimize conduction loss and standby power draw, improving overall driver efficiency >90%.

Equivalent & Alternatives

The following parts are listed as comparable options for similar ultra-fast rectifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STTH1R06U	Same 600V V_RRM, 1.0A I_O, but 50ns t_RR; TO-277 package (higher profile, 1.8mm)	Higher thermal resistance (60°C/W) and larger footprint; less suitable for ultra-thin designs	Choose when faster recovery is prioritized over board space and height constraints
MBR160DF	60V V_RRM, Schottky architecture; 0.55V V_F, no reverse recovery, but higher I_R (100µA)	Only suitable for low-voltage outputs (<48V); cannot replace US1JDF-13 in 600V-rated circuits	Use only in low-V_OUT SMPS where low V_F outweighs reverse voltage limitation

Compared with STTH1R06U and MBR160DF, US1JDF-13 uniquely balances 600V blocking, 75ns recovery, sub-1.1mm height, and 5µA leakage-making it optimal for space-constrained, medium-voltage SMPS where thermal and EMI performance are jointly critical.

Availability

US1JDF-13 is available at Aetrix Electronics and suitable for switching-mode power supplies, USB PD chargers, industrial DC-DC converters, and LED drivers requiring stable component supply with consistent D-FLAT packaging and RoHS compliance.

Supply support for US1JDF-13 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-performance, high-reliability components for power management, signal integrity, and protection applications.

The US1JDF-13 belongs to Diodes' ultra-fast rectifier product line, engineered specifically for high-frequency AC/DC and DC/DC conversion where low recovery time, tight thermal resistance, and compact packaging are essential.

FAQ

What is the maximum junction temperature for US1JDF-13?

The US1JDF-13 has an operating junction temperature range of –55°C to +150°C. Its thermal resistance (R_θJT = 44°C/W) allows sustained operation at full 1.0A load up to +100°C ambient when mounted on a 1" × 1", 2oz FR-4 PCB with recommended pad layout. Derating curves in the datasheet confirm usable current drops to ~0.6A at 125°C ambient.

Is US1JDF-13 compatible with lead-free reflow soldering?

Yes. US1JDF-13 features matte tin–annealed copper leadframe terminals rated for standard Pb-free reflow profiles (JEDEC J-STD-020, peak 260°C). Its D-FLAT package meets IPC/JEDEC moisture sensitivity level 1, eliminating bake requirements prior to assembly. The device is fully RoHS 2 compliant and halogen-free per Diodes' "Green" definition.

How does US1JDF-13 differ from US1MDF-13?

US1JDF-13 is rated for 600V V_RRM and 5µA I_R at 25°C, while US1MDF-13 is rated for 1000V V_RRM and 100µA I_R at 100°C. Both share identical package, t_RR (75ns), V_F (1.7V), and thermal characteristics. Selection depends strictly on required reverse voltage margin and leakage tolerance at elevated temperature.

Can US1JDF-13 be used in place of a Schottky rectifier?

No-US1JDF-13 is a PN-junction ultra-fast rectifier, not a Schottky. It exhibits reverse recovery (75ns) and higher V_F (1.7V vs. typical 0.4–0.6V for Schottkys), making it unsuitable for low-voltage, high-efficiency applications below 48V. However, its 600V rating and robust surge capability make it preferable to Schottkys in medium-voltage SMPS where reverse voltage exceeds 100V.

US1JDF-13 Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: D-FLAT

Package/Case:: 2-SMD, Flat Leads

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 600 V

Current - Average Rectified (Io):: 1A

Voltage - Forward (Vf) (Max) @ If:: 1.7 V @ 1 A

Speed:: Fast Recovery =< 500ns, > 200mA (Io)

Reverse Recovery Time (trr):: 75 ns

Current - Reverse Leakage @ Vr:: 5 µA @ 600 V

Capacitance @ Vr, F:: 10pF @ 4V, 1MHz

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: D-Flat

Operating Temperature - Junction:: -55°C ~ 150°C

US1JDF-13 FAQ

1.How can I place an order for US1JDF-13 through Aetrix?

Please submit a Request for Quotation (RFQ) for US1JDF-13 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for US1JDF-13 reliable?

The price and inventory of US1JDF-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for US1JDF-13 is usually 5 days.

3.What payment methods are accepted for US1JDF-13?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for US1JDF-13 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for US1JDF-13?

US1JDF-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your US1JDF-13 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for US1JDF-13?

For technical support, including US1JDF-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your US1JDF-13 requirements.

6.How does Aetrix verify that US1JDF-13 is sourced from the original manufacturer or authorized distributors?

All US1JDF-13 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that US1JDF-13 meets industry standards.

7.What is the process for return or replacement of US1JDF-13?

All US1JDF-13 units undergo pre-shipment inspection (PSI). If there is an issue with US1JDF-13, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The US1JDF-13 part is unused and in its original packaging.

Return procedure for US1JDF-13:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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