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

Diodes Incorporated MURS360B

Name: MURS360B
Brand: Diodes Incorporated
SKU: MURS360B
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MURS360B

Manufacturer:: Diodes Incorporated

Category:: Single Diodes

Package:: DO-214AA, SMB

Datasheet:: MURS360B.pdf

Description:: DIODE GEN PURP 600V 3A SMB TR 3K

Quantity:: RFQ Add To RFQ list

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Inventory:2,333

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Product details

Overview

MURS360B from Diodes Incorporated is a 3.0A, 600V surface-mount super-fast rectifier diode with 50ns reverse recovery time, 1.25V forward voltage at 3A, and 5μA leakage current at 600V. It serves as a boost diode in discontinuous/critical-mode PFC circuits and as a freewheeling diode in high-frequency switching power supplies.

For engineers reviewing the MURS360B datasheet, MURS360B pinout, MURS360B application, or MURS360B equivalent, key selection criteria include its 600V V_RRM, 50ns t_RR, SMB package thermal resistance (R_θJC = 12°C/W), and suitability for automotive-grade PFC and SMPS freewheeling roles requiring low-loss, fast-switching performance.

Technical Context

The MURS360B employs a glass-passivated silicon die optimized for super-fast recovery, enabling efficient operation in high-frequency (>100kHz) switching topologies. Its 50ns t_RR minimizes switching losses during turn-off, while the 100A non-repetitive surge rating supports transient overload resilience in boost converters.

Thermally, it features R_θJC = 12°C/W and R_θJL = 26°C/W, allowing reliable 3.0A continuous conduction at T_C = +130°C when mounted on standard PCB copper pads. The SMB package's 0.1046g mass and UL 94V-0 molding support automated SMT assembly and thermal cycling stability.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	600 V - Maximum repetitive reverse blocking voltage without breakdown; defines usable input voltage range in PFC stages.
I_O	3.0 A - Average rectified output current at T_C = +130°C; sets continuous power handling in freewheeling paths.
t_RR	50 ns - Measured under IF = 0.5A, IR = 1.0A, IRR = 0.25A; enables >200kHz switching with low turn-off loss.
V_F	1.25 V @ 3A - Forward voltage drop at rated current; directly impacts conduction loss and thermal rise in high-current paths.
I_R	5 μA @ 600V, 25°C - Reverse leakage current; critical for maintaining efficiency in high-voltage hold-off applications.
R_θJC	12 °C/W - Junction-to-case thermal resistance; enables direct heatsinking via PCB copper or metal-core substrates.

Pinout & Package

Package: SMB (Surface Mount Small Outline), molded plastic case with UL 94V-0 flammability rating, matte tin-plated terminals, cathode band polarity marking, and 0.1046g weight.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Current entry point during forward conduction	Connected to switch node (e.g., MOSFET drain) in boost topology; must withstand full load current and dI/dt stress.
Cathode	Current exit point during forward conduction	Connected to output rail or inductor return; carries same current as anode but referenced to higher potential in boost configuration.

Key Features

Feature	Design Value
Glass passivated die construction	Enhances long-term reliability and moisture resistance in humid or thermally cycled environments.
Super-fast 50ns recovery time	Reduces reverse recovery charge (Q_rr) and associated switching losses in high-frequency PFC and SMPS designs.
100A peak surge rating (8.3ms)	Withstands inrush and fault currents without degradation-critical for robustness in unregulated input stages.
Lead-free, halogen/antimony-free "Green" compliance	Meets RoHS 3 (2015/863/EU) and automotive change-control requirements when qualified per AEC-Q101.

Applications

Boost Diode in Critical-Mode PFC

Freewheeling Diode in DC-DC Converters

Use Scenario: Used in the boost stage of AC-DC front-end power supplies operating in critical conduction mode (CrCM) with 50–250kHz switching.

IC Role / Device Role / Timing Role: Rectifies switched inductor current; conducts only during MOSFET off-time with precise 50ns turn-off timing.

Use Value: Low t_RR and 1.25V V_F minimize total power loss, improving system efficiency by ≥0.8% over standard fast recovery diodes.

Use Scenario: Placed across the primary winding of isolated flyback or across the output inductor of buck converters.

IC Role / Device Role / Timing Role: Provides low-loss current path during MOSFET off-state; blocks reverse voltage during on-state with 600V margin.

Use Value: 600V V_RRM and 3A I_O support 24–48V industrial DC-DC outputs with >150% overvoltage headroom.

Automotive On-Board Charger (OBC) PFC Stage

Industrial Motor Drive Snubber Circuit

Use Scenario: Integrated into bidirectional OBC modules where CrCM PFC operates under wide ambient temperature (−40°C to +125°C).

IC Role / Device Role / Timing Role: High-reliability rectifier in high-voltage DC-link section; qualified per AEC-Q101 when specified.

Use Value: −55°C to +175°C operating range and 12°C/W R_θJC ensure stable performance under engine-bay thermal stress.

Use Scenario: Connected across IGBTs or SiC MOSFETs in variable-frequency drives to clamp inductive kickback spikes.

IC Role / Device Role / Timing Role: Fast clamping diode absorbing stored energy during device turn-off; requires sub-100ns response.

Use Value: 50ns t_RR and 10.8mJ single-pulse avalanche energy prevent voltage overshoot beyond 600V during transients.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STTH3L06S	Same 600V V_RRM, 3A I_O, but t_RR = 35ns; VF = 1.3V @ 3A; SMB package.	Lower t_RR improves high-frequency efficiency but higher V_F increases conduction loss at high duty cycles.	Prefer for >300kHz PFC; verify thermal margin due to higher V_F.
ON Semiconductor MURS360	Identical electrical specs (600V/3A/50ns/1.25V); same SMB package; RoHS-compliant but not "Green" certified.	No functional difference; differs only in halogen/antimony content and traceability documentation.	Select when "Green" compliance is not required; otherwise MURS360B preferred for automotive PPAP programs.

Compared with STTH3L06S and MURS360, the MURS360B delivers balanced trade-offs: lower V_F than STTH3L06S for better thermal management, and full "Green" certification absent in MURS360-making it optimal for automotive and eco-regulated industrial designs.

Availability

MURS360B is available at Aetrix Electronics and suitable for power factor correction circuits, DC-DC converter freewheeling paths, and automotive on-board charger (OBC) front-end stages requiring stable component supply and long-lifecycle availability.

Supply support for MURS360B 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-efficiency power management and signal integrity solutions for industrial, computing, and automotive markets.

The MURS360B belongs to Diodes' Super-Fast Rectifier product line, engineered specifically for high-frequency switching power supplies where low recovery loss and thermal robustness are essential.

FAQ

What is the maximum junction temperature for continuous operation?

The MURS360B supports continuous operation up to +175°C junction temperature, with rated 3.0A average current specified at T_C = +130°C. Derating curves in the datasheet show linear reduction to zero current at +175°C case temperature, ensuring safe operation under sustained thermal stress.

Is the MURS360B suitable for automotive applications?

Yes-the MURS360B meets AEC-Q101 qualification requirements when ordered with appropriate change control and PPAP documentation. Its −55°C to +175°C operating range, glass-passivated die, and "Green" compliance make it suitable for under-hood OBC and DC-DC converter applications.

How does the SMB package affect thermal performance?

The SMB package provides R_θJC = 12°C/W and R_θJL = 26°C/W when mounted on a 12mm × 12mm 1oz copper pad. This allows effective heat transfer to PCB copper pours or external heatsinks, supporting full 3.0A current at T_C = +130°C without forced air cooling.

What is the significance of the 10.8mJ avalanche energy rating?

The 10.8mJ single-pulse avalanche energy (E_AS) indicates the device can safely absorb inductive energy spikes-such as those from IGBT snubbers or transformer leakage-without failure. This rating is measured with L = 15mH and validates ruggedness in transient-heavy motor drive and industrial power systems.

MURS360B Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: DO-214AA, SMB

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Standard

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

Current - Average Rectified (Io):: 3A

Voltage - Forward (Vf) (Max) @ If:: 1.25 V @ 3 A

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

Reverse Recovery Time (trr):: 50 ns

Current - Reverse Leakage @ Vr:: 3 µA @ 600 V

Capacitance @ Vr, F:: 45pF @ 4V, 1MHz

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SMB

Operating Temperature - Junction:: -55°C ~ 175°C

MURS360B FAQ

1.How can I place an order for MURS360B through Aetrix?

Please submit a Request for Quotation (RFQ) for MURS360B 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 MURS360B reliable?

The price and inventory of MURS360B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MURS360B is usually 5 days.

3.What payment methods are accepted for MURS360B?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MURS360B transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MURS360B?

MURS360B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MURS360B 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 MURS360B?

For technical support, including MURS360B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MURS360B requirements.

6.How does Aetrix verify that MURS360B is sourced from the original manufacturer or authorized distributors?

All MURS360B 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 MURS360B meets industry standards.

7.What is the process for return or replacement of MURS360B?

All MURS360B units undergo pre-shipment inspection (PSI). If there is an issue with MURS360B, 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 MURS360B part is unused and in its original packaging.

Return procedure for MURS360B:

1.Submit a request within 90 days.

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

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