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

Diodes Incorporated RS1MDF-13

Name: RS1MDF-13
Brand: Diodes Incorporated
SKU: RS1MDF-13
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: RS1MDF-13

Manufacturer:: Diodes Incorporated

Category:: Single Diodes

Package:: 2-SMD, Flat Leads

Datasheet:: RS1MDF-13.pdf

Description:: DIODE GEN PURP 1KV 1A DFLAT

Quantity:: RFQ Add To RFQ list

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Inventory:9,990

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Product details

Overview

RS1MDF-13 from Diodes Incorporated is a 1.0A, 1000V fast recovery surface-mount rectifier in the low-profile D-FLAT package, featuring 140ns typical reverse recovery time, 1.3V max forward voltage at 1A/25°C, and 5μA max reverse leakage at 1000V/25°C. It is designed for high-efficiency AC-DC conversion in compact power supplies and LED drivers.

For engineers reviewing the RS1MDF-13 datasheet, RS1MDF-13 pinout, RS1MDF-13 application, or RS1MDF-13 equivalent, key selection criteria include peak repetitive reverse voltage (1000V), thermal resistance junction-to-terminal (31°C/W), AEC-Q101 qualification, RoHS-compliant matte tin finish, and D-FLAT mechanical compatibility with space-constrained PCB layouts.

Technical Context

This device operates as a unidirectional silicon PN junction rectifier optimized for fast switching in high-frequency power conversion. Its glass-passivated die construction ensures stable performance under thermal cycling, while the D-FLAT package enables low-inductance mounting and efficient heat transfer to the PCB via the copper leadframe.

The 30A non-repetitive surge rating supports transient overload conditions in SMPS input stages, and its 5pF total capacitance at 4V DC minimizes high-frequency switching noise coupling. Reverse recovery behavior is characterized under standardized 0.5A forward / 1.0A reverse current conditions with 0.25A reverse recovery current threshold.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	1000 V - Withstands up to 1000V repetitive reverse voltage without breakdown, suitable for universal-input offline SMPS designs.
I_O	1.0 A @ T_A = +100°C - Continuous average forward current rating derated for ambient temperature per Figure 1.
V_F Max	1.3 V @ I_F = 1A, T_J = +25°C - Limits conduction loss and self-heating in high-duty-cycle applications.
t_rr	140 ns typical @ I_F = 0.5A, I_R = 1.0A, I_rr = 0.25A - Enables efficient operation at switching frequencies up to ~500 kHz.
I_R Max	5 μA @ V_R = 1000V, T_J = +25°C - Ensures minimal standby power loss in high-impedance hold-up circuits.
R_θJT	31 °C/W - Junction-to-terminal thermal resistance enables direct PCB copper pad heat sinking without heatsink.
Package	D-FLAT - 2.25–2.95 mm width, 3.95–4.60 mm length, <1.1 mm height; optimized for automated placement and reflow.

Pinout & Package

The RS1MDF-13 uses a 2-terminal D-FLAT surface-mount package with cathode band marking. Terminals are matte tin annealed over copper leadframe, solderable per MIL-STD-202 Method 208. Polarity is indicated by a visible cathode band on the top surface.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Input for positive half-cycle conduction	Connected to AC source or transformer secondary; carries full load current during forward bias.
Cathode	Output for rectified DC path	Connected to bulk capacitor or downstream regulator; polarity-marked terminal defines output polarity.

Key Features

Feature	Design Value
Fast recovery time	140 ns typical enables high-frequency switching with reduced switching losses and EMI.
AEC-Q101 qualification	Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing.
Low-profile D-FLAT package	Height <1.1 mm allows integration into ultra-thin adapters, LED drivers, and portable chargers.
Surge rating	30A peak non-repetitive surge withstands inrush currents in AC-DC front-end stages.
Halogen & antimony free	Meets "Green" definition: Br/Cl <900 ppm each, Br+Cl <1500 ppm, Sb <1000 ppm.

Applications

Switching Mode Power Supplies

LED Lighting Drivers

Use Scenario: Input rectification stage of 12–24W offline flyback converters powering consumer electronics.

IC Role / Device Role / Timing Role: Primary-side unidirectional current path converting 50/60Hz AC to pulsating DC before bulk capacitor filtering.

Use Value: 1000V V_RRM accommodates line surges up to 1.2kV; 140ns t_rr reduces switching loss at 65–130kHz operation.

Use Scenario: Secondary-side rectification in isolated constant-current LED drivers for street lighting and commercial fixtures.

IC Role / Device Role / Timing Role: Output-stage freewheeling and rectifying diode synchronized with primary-side MOSFET switching.

Use Value: Low 1.3V V_F maximizes efficiency in thermally constrained aluminum-core PCBs; D-FLAT footprint eases thermal pad layout.

AC-DC Adapters

Inverters (PV & UPS)

Use Scenario: Compact wall-plug adapters for IoT sensors and USB-C PD accessories requiring <15mm profile.

IC Role / Device Role / Timing Role: Bridge or single-diode rectifier in voltage-doubler or standard full-wave configurations.

Use Value: <1.1 mm height meets mechanical envelope constraints; RoHS/lead-free finish satisfies global regulatory requirements.

Use Scenario: DC-link protection and anti-parallel clamping in 1–3kW solar microinverters and battery-based UPS systems.

IC Role / Device Role / Timing Role: Bidirectional voltage clamp and fault-current blocking element across IGBT or SiC MOSFET switches.

Use Value: 30A I_FSM handles grid-spike-induced transients; -55°C to +150°C operating range supports outdoor enclosure environments.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STTH1R06	Same 1A/600V rating but lower V_RRM; 75ns t_rr; TO-277 package (higher profile, higher R_θJA).	Not suitable for 1000V line-survivable designs; better for 230V-only or DC-DC outputs.	Select only when lower V_RRM is acceptable and board height >1.5mm is available.
MBR1100F	Schottky structure; 1A/1000V; 0.85V V_F; no reverse recovery; but IR rises sharply above 100°C.	Superior efficiency at light loads and high frequency; unsuitable for high-temperature (>125°C) or high-V_R hold-off.	Prefer for low-noise, high-efficiency DC-DC secondaries; avoid in high-ambient rectifiers or surge-prone inputs.

Compared with STTH1R06 and MBR1100F, RS1MDF-13 uniquely balances 1000V robustness, AEC-Q101 reliability, sub-1.1mm height, and controlled reverse recovery-making it optimal for space-limited, line-powered, automotive-qualified applications where Schottky leakage or lower-voltage alternatives are insufficient.

Availability

RS1MDF-13 is available at Aetrix Electronics and suitable for switching mode power supplies, LED lighting drivers, and AC-DC adapters requiring stable component supply, long-term lifecycle support, and automotive-grade reliability assurance.

Supply support for RS1MDF-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, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.

The RS1MDF-13 belongs to Diodes' high-voltage fast recovery rectifier product line, engineered specifically for compact, high-efficiency AC-DC conversion in automotive, industrial, and consumer power supplies.

FAQ

What is the maximum junction temperature for RS1MDF-13?

The RS1MDF-13 has an operating junction temperature range of –55°C to +150°C. Its thermal resistance junction-to-terminal is 31°C/W, allowing reliable operation at full 1.0A current when mounted on adequate copper area. Derating begins above +100°C ambient, per Figure 1 in the datasheet.

Is RS1MDF-13 suitable for automotive applications?

Yes - RS1MDF-13 is qualified to AEC-Q101 standards for high-reliability automotive use. It undergoes stress testing including temperature cycling, high-temperature reverse bias, and ESD verification. An automotive-specific variant (RS1MDFQ) is also available with additional qualification documentation.

How does RS1MDF-13 differ from standard recovery rectifiers?

RS1MDF-13 achieves 140ns typical reverse recovery time versus >2μs for standard rectifiers, reducing switching losses and EMI in high-frequency converters. Its glass-passivated die and D-FLAT package further improve thermal performance and mounting reliability compared to DO-41 or SMA packages.

Can RS1MDF-13 replace a 1N4007 in existing designs?

No - although both are 1A rectifiers, RS1MDF-13 is a fast recovery device (140ns t_rr) optimized for switching supplies, whereas 1N4007 is a general-purpose rectifier (30μs t_rr) for 50/60Hz line frequency. Substitution may cause excessive switching loss or oscillation in high-frequency circuits.

RS1MDF-13 Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: 2-SMD, Flat Leads

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 1000 V

Current - Average Rectified (Io):: 1A

Voltage - Forward (Vf) (Max) @ If:: 1.3 V @ 1 A

Speed:: Standard Recovery >500ns, > 200mA (Io)

Reverse Recovery Time (trr):: 500 ns

Current - Reverse Leakage @ Vr:: 5 µA @ 1000 V

Capacitance @ Vr, F:: 5pF @ 4V, 1MHz

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: D-Flat

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

RS1MDF-13 FAQ

1.How can I place an order for RS1MDF-13 through Aetrix?

Please submit a Request for Quotation (RFQ) for RS1MDF-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 RS1MDF-13 reliable?

The price and inventory of RS1MDF-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RS1MDF-13 is usually 5 days.

3.What payment methods are accepted for RS1MDF-13?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RS1MDF-13 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for RS1MDF-13?

RS1MDF-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your RS1MDF-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 RS1MDF-13?

For technical support, including RS1MDF-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RS1MDF-13 requirements.

6.How does Aetrix verify that RS1MDF-13 is sourced from the original manufacturer or authorized distributors?

All RS1MDF-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 RS1MDF-13 meets industry standards.

7.What is the process for return or replacement of RS1MDF-13?

All RS1MDF-13 units undergo pre-shipment inspection (PSI). If there is an issue with RS1MDF-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 RS1MDF-13 part is unused and in its original packaging.

Return procedure for RS1MDF-13:

1.Submit a request within 90 days.

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

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