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

Diodes Incorporated US1J-13-F

Name: US1J-13-F
Brand: Diodes Incorporated
SKU: US1J-13-F
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: US1J-13-F

Manufacturer:: Diodes Incorporated

Category:: Single Diodes

Package:: DO-214AC, SMA

Datasheet:: US1J-13-F.pdf

Description:: DIODE GEN PURP 600V 1A SMA

Quantity:: RFQ Add To RFQ list

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Inventory:58,742

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Product details

Overview

US1J-13-F from Diodes Incorporated is a 1.0A surface-mount ultra-fast rectifier diode with 600V peak repetitive reverse voltage (V_RRM), 50ns reverse recovery time (t_rr), and 1.7V forward voltage drop at 1.0A (V_FM). It is used in high-frequency AC/DC converters, switch-mode power supplies, and output rectification stages where fast switching and low conduction loss are required.

For engineers reviewing the US1J-13-F datasheet, US1J-13-F pinout, US1J-13-F application, or US1J-13-F equivalent, key selection criteria include its 600V blocking capability, 50ns recovery performance, thermal resistance of 30°C/W, and SMA package compatibility with automated SMT assembly.

Technical Context

This ultra-fast rectifier employs glass-passivated die construction to ensure stable junction behavior under surge and thermal stress. Its 50ns reverse recovery time enables operation in 100–500kHz SMPS topologies without excessive switching loss or ringing.

The device supports 1.0A average rectified current at T_T = +75°C and withstands non-repetitive 30A surge peaks (8.3ms half-sine), making it suitable for transient-heavy input/output stages in industrial and consumer power adapters.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	600 V - Maximum reverse voltage the diode blocks reliably in repetitive operation; defines usable input voltage range in offline rectifiers.
t_rr	50 ns - Ultra-fast recovery minimizes reverse recovery charge (Q_rr) and associated switching losses in high-frequency converters.
V_FM @ 1.0A	1.7 V - Forward voltage directly impacts conduction loss and thermal rise in continuous-current paths.
I_FSM	30 A - Peak surge rating allows robust handling of inrush and line-transient events without failure.
R_θJT	30 °C/W - Junction-to-terminal thermal resistance determines heatsinking requirements when operating near I_O derating limits.
I_O @ T_T=75°C	1.0 A - Continuous DC output current capability under real-world PCB thermal conditions.

Pinout & Package

The US1J-13-F is housed in an SMA (DO-214AC) surface-mount plastic package with cathode band polarity marking. The two-terminal configuration supports standard PCB layout per AP02001 pad recommendations.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Current entry terminal during forward conduction	Connected to AC source or transformer secondary; must handle full load current and surge transients.
Cathode	Current exit terminal during forward conduction	Connected to output filter capacitor or DC bus; marked by visible band on package body.

Key Features

Feature	Design Value
Glass passivated die	Enhances long-term reliability and moisture resistance in humid or thermally cycled environments.
Ultra-fast 50ns recovery	Reduces switching loss and EMI generation compared to standard fast recovery diodes (>100ns).
Lead-free, RoHS-compliant finish	Enables compliance with global environmental regulations and compatibility with Pb-free reflow profiles.
SMA package with J-STD-020 Level 1 MSL	Eliminates pre-bake requirement and supports direct placement in high-volume SMT lines.

Applications

AC/DC Adapter Output Rectification

DC-DC Converter Secondary Side

Use Scenario: Rectifying high-frequency transformer output in 12–24V wall adapters for IoT gateways and smart home hubs.

IC Role / Device Role / Timing Role: Ultra-fast discrete rectifier replacing slower FR107-class diodes to reduce heat and improve efficiency.

Use Value: 50ns t_rr cuts reverse recovery loss by ~40% vs. 100ns diodes at 250kHz, lowering thermal stress on PCB.

Use Scenario: Synchronous rectifier alternative in isolated flyback or forward converters where gate drive complexity is undesirable.

IC Role / Device Role / Timing Role: Passive rectifier delivering regulated 5V/3.3V to microcontroller and sensor subsystems.

Use Value: 1.7V V_FM balances conduction loss and cost vs. Schottky alternatives with lower V_F but <30V rating.

Industrial Power Supply Input Stage

LED Driver Bulk Rectification

Use Scenario: Bridge rectifier leg in 24V/48V industrial PSUs subjected to 30A surge events during cold start.

IC Role / Device Role / Timing Role: High-surge-capable discrete diode in full-wave bridge configuration.

Use Value: 30A I_FSM rating ensures survival of repeated inrush surges without parameter drift or bond-wire failure.

Use Scenario: Off-line LED driver rectifying 120/230VAC mains before PFC stage in commercial lighting fixtures.

IC Role / Device Role / Timing Role: Primary-side ultra-fast rectifier handling 600V reverse stress and 100kHz ripple.

Use Value: 600V V_RRM provides 2× safety margin over 230VAC peak (325V), enabling reliable operation in global markets.

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, 50ns t_rr, but 1.25V V_F @ 1A and TO-277 package	Higher thermal mass supports higher ambient temps; requires different footprint	Select if board-level thermal management favors larger package and lower V_F is critical
ES1J-E3/5AT	600V V_RRM, 75ns t_rr, 1.7V V_F, same SMA package	Slower recovery increases switching loss above 150kHz; identical mounting	Choose only for cost-sensitive designs operating ≤100kHz with relaxed EMI targets

Compared with STTH1R06U and ES1J-E3/5AT, US1J-13-F delivers optimal balance of 50ns speed, 1.7V forward drop, and SMA footprint-making it preferred for space-constrained, mid-frequency (100–300kHz) power supplies requiring proven surge robustness.

Availability

US1J-13-F is available at Aetrix Electronics and suitable for AC/DC adapters, industrial power supplies, and LED drivers requiring stable component supply, consistent parametric performance across production lots, and RoHS-compliant sourcing.

Supply support for US1J-13-F 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, headquartered in California and operating design centers and manufacturing facilities across Asia and the Americas.

The US1x series belongs to Diodes' ultra-fast rectifier product line, engineered specifically for high-efficiency, high-frequency power conversion in compact, cost-sensitive applications such as consumer adapters and industrial SMPS.

FAQ

What is the maximum junction temperature for US1J-13-F?

The US1J-13-F has an operating junction temperature range of –65°C to +150°C. Its thermal resistance R_θJT is 30°C/W, meaning that at 1.0A forward current and 1.7V drop (1.7W dissipation), junction temperature rise above terminal temperature is 51°C-well within safe limits when mounted on adequate copper area.

Is US1J-13-F compatible with lead-free reflow soldering?

Yes. US1J-13-F features matte tin lead-free plating and is rated for solderability per MIL-STD-202, Method 208. Its MSL Level 1 rating per J-STD-020 means it can be placed directly into reflow ovens without baking, supporting standard Pb-free SAC305 profiles up to 260°C peak.

How does US1J-13-F differ from US1M-13-F?

US1J-13-F has 600V V_RRM and 50ns t_rr; US1M-13-F has 1000V V_RRM and 75ns t_rr. Both share the same 1.0A I_O, 30A I_FSM, and SMA package. US1J is optimized for 230VAC-derived supplies; US1M suits 400VDC bus or 3-phase rectification where higher blocking is mandatory.

Can US1J-13-F replace a Schottky diode in low-voltage outputs?

No. While US1J-13-F offers low V_F for a PN diode (1.7V), its 600V rating and 50ns recovery make it unsuitable for <40V outputs where Schottkys (e.g., 40V/30V V_F ≈ 0.4–0.6V) deliver superior efficiency. Use only in ≥100V applications where Schottky leakage or voltage rating limits apply.

US1J-13-F Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: DO-214AC, SMA

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:: SMA

Operating Temperature - Junction:: -65°C ~ 150°C

US1J-13-F FAQ

1.How can I place an order for US1J-13-F through Aetrix?

Please submit a Request for Quotation (RFQ) for US1J-13-F 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 US1J-13-F reliable?

The price and inventory of US1J-13-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for US1J-13-F is usually 5 days.

3.What payment methods are accepted for US1J-13-F?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for US1J-13-F transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for US1J-13-F?

US1J-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your US1J-13-F 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 US1J-13-F?

For technical support, including US1J-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your US1J-13-F requirements.

6.How does Aetrix verify that US1J-13-F is sourced from the original manufacturer or authorized distributors?

All US1J-13-F 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 US1J-13-F meets industry standards.

7.What is the process for return or replacement of US1J-13-F?

All US1J-13-F units undergo pre-shipment inspection (PSI). If there is an issue with US1J-13-F, 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 US1J-13-F part is unused and in its original packaging.

Return procedure for US1J-13-F:

1.Submit a request within 90 days.

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

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