Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Diode Arrays

Diodes Incorporated MMBD5004C-7

Name: MMBD5004C-7
Brand: Diodes Incorporated
SKU: MMBD5004C-7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: MMBD5004C-7

Manufacturer:: Diodes Incorporated

Category:: Diode Arrays

Package:: TO-236-3, SC-59, SOT-23-3

Datasheet:: MMBD5004C-7.pdf

Description:: DIODE ARRAY GP 350V 300MA SOT233

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:3,884

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

MMBD5004C-7 from Diodes Incorporated is a high-voltage dual switching diode in SOT23 package, rated for 400 V repetitive peak reverse voltage and 300 mA forward current, with 50 ns reverse recovery time. It serves as a compact, surface-mount solution for high-voltage signal routing and transient suppression in power supply snubbers and flyback clamp circuits.

For engineers reviewing the MMBD5004C-7 datasheet, MMBD5004C-7 pinout, MMBD5004C-7 application, or MMBD5004C-7 equivalent, key selection criteria include reverse breakdown voltage (400 V), fast switching speed (50 ns tRR), low leakage (<5 µA at 360 V), thermal resistance (357 °C/W), and dual-diode configuration in SOT23.

Technical Context

This dual discrete diode integrates two independent silicon PN junctions in a single SOT23-3 package, sharing only the common cathode connection (Pin 2). Each diode operates independently with identical electrical ratings, enabling bidirectional clamping or dual-path rectification without cross-coupling.

Designed for high-voltage switching environments, it supports DC blocking up to 350 V (VRWM) and withstands non-repetitive surge currents up to 3 A. Its low capacitance (0.65–2.0 pF at 0 V) and stable reverse characteristics across –55°C to +150°C ensure reliable timing and signal integrity in fast-switching topologies.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	400 V - Withstands repetitive reverse transients in flyback snubbers and AC line protection without avalanche conduction.
t_RR	50 ns - Enables operation in PWM converters switching up to ~2 MHz without significant switching loss penalty.
I_F	300 mA continuous - Supports moderate-current signal-level clamping or auxiliary bias winding rectification.
C_T	0.65–2.0 pF at 0 V - Minimizes capacitive loading on high-frequency control nodes and gate drive signals.
R_θJA	357 °C/W - Requires minimal PCB copper area for thermal management in space-constrained SMT layouts.
I_R	<5 µA at 360 V - Ensures low standby power loss in high-impedance hold-off circuits over temperature.

Pinout & Package

SOT23-3 plastic surface-mount package with matte tin–annealed terminals; moisture sensitivity level 1; weight ≈ 0.008 g.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1	Anode of Diode 1	Independent anode connection for first diode element; used for unidirectional current path routing.
Pin 2	Common Cathode	Shared cathode node for both diodes; simplifies layout in dual-clamp or dual-rectifier configurations.
Pin 3	Anode of Diode 2	Independent anode connection for second diode element; enables separate signal or power path control.

Key Features

Feature	Design Value
Dual independent diodes in one SOT23	Reduces board area by ~40% vs. two discrete SOT23 diodes; eliminates interconnect parasitics between elements.
400 V V_RRM	Supports direct use in 230 VAC-derived rails and offline SMPS primary-side clamp networks without derating.
50 ns reverse recovery	Minimizes reverse recovery charge (Q_rr) in high-frequency switching, reducing EMI and body diode stress in synchronous designs.
Lead-free, halogen-free "Green" construction	Complies with RoHS 2 and JEDEC J-STD-020 Level 1; suitable for automotive and industrial applications requiring full material compliance.

Applications

AC-DC Power Supply Clamp

High-Voltage Signal Routing

Use Scenario: Snubber network across MOSFET drain and transformer primary in offline flyback converters.

IC Role / Device Role / Timing Role: Dual-diode clamp absorbs leakage inductance energy during MOSFET turn-off, limiting voltage overshoot.

Use Value: 400 V rating prevents breakdown under 380 V DC bus transients; 50 ns t_RR ensures clean energy transfer without oscillation.

Use Scenario: Bidirectional signal level translation between isolated microcontroller GPIO and high-side sensor interface.

IC Role / Device Role / Timing Role: Dual-anode configuration allows independent clamping of positive/negative excursions on differential lines.

Use Value: Low C_T (0.65 pF) preserves signal edge integrity up to 100 MHz; common cathode simplifies bias network design.

Industrial Relay Driver Protection

DC-DC Converter Flyback Diode

Use Scenario: Back-EMF suppression across 24 V/48 V solenoid coils in PLC output modules.

IC Role / Device Role / Timing Role: Fast dual diode provides low-loss freewheeling path while limiting inductive kick to safe levels.

Use Value: 300 mA I_F handles typical relay coil currents; 357 °C/W R_θJA enables operation at 85°C ambient without heatsink.

Use Scenario: Secondary-side rectification in isolated 5–12 V DC-DC modules delivering ≤200 mA load current.

IC Role / Device Role / Timing Role: One diode used as main output rectifier; second reserved for auxiliary bias winding or redundancy.

Use Value: 0.93 V V_F @ 20 mA reduces conduction loss in low-power outputs; SOT23 footprint fits tight layout constraints.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-voltage dual diode applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
BAT54C-7-F	Lower V_RRM (30 V), faster t_RR (5 ns), higher C_T (10 pF)	Restricted to low-voltage logic-level clamping; unsuitable for >60 V systems	Select only for sub-30 V signal protection where speed outweighs voltage rating.
MMBD1205-7-F	Higher V_RRM (600 V), slower t_RR (75 ns), same SOT23-3 pinout	Better surge margin in 400 V+ AC line interfaces but increased switching loss at >500 kHz	Prefer when robustness against lightning-induced surges is prioritized over switching efficiency.

Compared with BAT54C-7-F and MMBD1205-7-F, MMBD5004C-7 uniquely balances 400 V capability with 50 ns switching-making it optimal for mid-range offline power supplies where both voltage headroom and frequency agility matter.

Availability

MMBD5004C-7 is available at Aetrix Electronics and suitable for AC-DC power supply clamp, high-voltage signal routing, and industrial relay driver protection requiring stable component supply despite its obsolete status.

Supply support for MMBD5004C-7 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 MMBD5004C-7 belongs to Diodes' high-voltage switching diode product line, engineered specifically for compact, high-reliability clamping and rectification in space- and voltage-constrained power conversion stages.

FAQ

Is MMBD5004C-7 still in active production?

No-Diodes Incorporated has officially discontinued the MMBD5004C-7 and marked it as obsolete per DS35585 Rev. 6-4 (December 2023). Aetrix Electronics maintains limited legacy stock with full traceability and offers lifecycle coordination support for ongoing production programs.

What is the pin configuration for MMBD5004C-7 in SOT23?

Pin 1 is Anode of Diode 1, Pin 2 is the Common Cathode for both diodes, and Pin 3 is Anode of Diode 2. This configuration is confirmed in the Diodes SOT23 top-view diagram and matches the marking code layout for MMBD5004C devices.

How does MMBD5004C-7 differ from MMBD5004A-7 and MMBD5004S-7?

All three share identical electrical specifications and SOT23 packaging. Differences are limited to date-code marking codes (AJK vs. CJK vs. KJB) and internal wafer lot traceability-no functional, parametric, or reliability distinction exists between them.

Can MMBD5004C-7 replace BAT54C in 24 V systems?

No-BAT54C is rated for only 30 V V_RRM, while MMBD5004C-7 is rated for 400 V. Substituting MMBD5004C-7 into a BAT54C-design risks excessive forward voltage drop (1.29 V @ 200 mA vs. ~0.33 V for Schottky), increasing conduction loss and thermal stress.

MMBD5004C-7 Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: TO-236-3, SC-59, SOT-23-3

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Diode Configuration:: 1 Pair Common Cathode

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 350 V

Current - Average Rectified (Io) (per Diode):: 300mA (DC)

Voltage - Forward (Vf) (Max) @ If:: 1.275 V @ 200 mA

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

Reverse Recovery Time (trr):: 50 ns

Current - Reverse Leakage @ Vr:: 5 µA @ 360 V

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-23-3

MMBD5004C-7 FAQ

1.How can I place an order for MMBD5004C-7 through Aetrix?

Please submit a Request for Quotation (RFQ) for MMBD5004C-7 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 MMBD5004C-7 reliable?

The price and inventory of MMBD5004C-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MMBD5004C-7 is usually 5 days.

3.What payment methods are accepted for MMBD5004C-7?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MMBD5004C-7 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MMBD5004C-7?

MMBD5004C-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MMBD5004C-7 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 MMBD5004C-7?

For technical support, including MMBD5004C-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MMBD5004C-7 requirements.

6.How does Aetrix verify that MMBD5004C-7 is sourced from the original manufacturer or authorized distributors?

All MMBD5004C-7 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 MMBD5004C-7 meets industry standards.

7.What is the process for return or replacement of MMBD5004C-7?

All MMBD5004C-7 units undergo pre-shipment inspection (PSI). If there is an issue with MMBD5004C-7, 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 MMBD5004C-7 part is unused and in its original packaging.

Return procedure for MMBD5004C-7:

1.Submit a request within 90 days.

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

Tech Hub

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…

2026-08-11 LDO Regulator: Dropout Voltage, Noise, PSRR and Power Dissipation

LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…

2026-08-06 Conditional Access Module: CAM, CI/CI+ and DVB Security

Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…

2026-08-03 Electronic Component Obsolescence: EOL Risks, Replacement Options and Last-Time Buy Strategy

Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.

2026-07-29 18650 Battery: Voltage, Capacity, Charging and Pack Design

18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…

2026-07-27 Hall Effect Sensor: Working Principle, Types, Circuits and Applications

Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…

2026-07-20 Product Change Notification (PCN) in Electronic Components: Meaning and Supply Chain Response

Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…

2026-07-19 Blend Door Actuator: Symptoms, Location, Reset and Replacement Guide

A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…