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Diodes Incorporated MSB30M-13
- Part No.:
- MSB30M-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Bridge Rectifiers
- Package:
- 4-SMD, Flat Leads
- Datasheet:
-
MSB30M-13.pdf
- Description:
- BRIDGE RECT 1PHASE 1KV 3A 4-MSBL
- Quantity:
- Payment:
- Shipping:
Inventory:4,566
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Product details
Overview
MSB30M-13 from Diodes Incorporated is a 3.0A, 1000V surface-mount standard recovery bridge rectifier in MSBL package, featuring glass-passivated die construction, 1.1V max forward voltage at 3.0A/25°C, and 5μA max reverse leakage at 1000V/25°C. It delivers full-wave AC-to-DC conversion for compact switch-mode power supplies and LED drivers.
For engineers reviewing the MSB30M-13 datasheet, MSB30M-13 pinout, MSB30M-13 application, or MSB30M-13 equivalent, key selection criteria include peak repetitive reverse voltage (1000V), average output current rating (3.0A at TC = +120°C), thermal resistance (RθJC = 8°C/W), and UL recognition (E364304) for safety-critical AC/DC front-end designs.
Technical Context
This single-phase bridge rectifier integrates four standard recovery diodes in a monolithic MSBL package with internal schematic MB30M configuration. It supports 60Hz resistive/inductive loads without derating, but requires 20% current derating for capacitive loads per datasheet specification.
Thermal performance is defined by junction-to-case resistance of 8°C/W and junction-to-ambient of 11°C/W (on specified 15mm×12mm AL pad). Electrical behavior includes 35pF typical junction capacitance at 4V reverse bias and 100A non-repetitive surge rating for 8.3ms half-sine wave.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 1000 V - Peak repetitive reverse voltage withstand capability for AC line input protection |
| IO | 3.0 A - Average rectified output current at TC = +120°C, defining continuous DC load capacity |
| VF | 1.1 V - Max forward voltage per element at IF = 3.0A/25°C, directly impacting conduction loss and thermal rise |
| IR | 5 μA - Max reverse leakage current per element at VR = 1000V/25°C, critical for standby power integrity |
| IFSM | 100 A - Non-repetitive surge current rating (8.3ms half-sine), supporting inrush tolerance in adapters |
| RθJC | 8 °C/W - Junction-to-case thermal resistance, enabling direct heatsink mounting for thermal management |
| CT | 35 pF - Typical junction capacitance at VR = 4V/1MHz, influencing high-frequency switching noise coupling |
Pinout & Package
Package: MSBL - Surface-mount molded plastic package (UL 94V-0), 7.3mm × 6.6mm × 1.4mm body, lead-free matte tin terminals, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | AC Input Terminal (Anode of D1 / Cathode of D2) | One of two AC input nodes; marked on top surface; connects to live/neutral AC source leg |
| Pin 2 | DC Negative Output (Cathode of D1 / Anode of D3) | Common cathode node for negative DC rail; primary heat path to PCB copper via thermal pad |
| Pin 3 | AC Input Terminal (Anode of D4 / Cathode of D3) | Second AC input node; electrically symmetric to Pin 1; completes full-wave bridge input pair |
| Pin 4 | DC Positive Output (Cathode of D2 / Anode of D4) | Common anode node for positive DC rail; referenced as output polarity marker on device marking |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die construction | Enhances long-term reliability under humidity and thermal cycling stress in consumer-grade power supplies |
| Compact thin-profile MSBL package | Enables <1.5mm height clearance in ultra-thin LED drivers and wall adapters |
| UL Recognized Component (E364304) | Validates compliance for end-equipment safety certification without additional system-level testing |
| Lead-free, halogen- and antimony-free "Green" design | Meets RoHS 3 (2015/863/EU) and automotive change-control readiness per Diodes' quality definitions |
| SMT-compatible terminal plating | Matte tin finish ensures robust solderability per MIL-STD-202, Method 208 for automated assembly |
Applications
| LED Lighting Power Supplies | AC-DC Adapters |
|---|---|
Use Scenario: Constant-current LED driver front-end converting 120/230VAC to low-voltage DC bus. IC Role / Device Role / Timing Role: Full-wave bridge rectifier providing unregulated DC input to PFC or buck converter stage. Use Value: 1000V VRRM prevents breakdown during AC line surges; 3.0A IO supports >30W LED modules. | Use Scenario: Compact wall-plug adapter for USB-C PD or laptop charging. IC Role / Device Role / Timing Role: Primary-side AC/DC conversion element before bulk capacitor and controller IC. Use Value: Thin MSBL package enables <20mm adapter thickness; 100A IFSM handles cold-start inrush. |
| Battery Chargers | Home Appliance Power Modules |
Use Scenario: Onboard charger for cordless power tools or e-bike battery packs. IC Role / Device Role / Timing Role: Input rectification stage feeding isolated flyback or resonant LLC topology. Use Value: RθJC = 8°C/W allows direct thermal pad connection to metal chassis for passive cooling. | Use Scenario: Power supply for washing machine control board or microwave oven display. IC Role / Device Role / Timing Role: AC mains interface rectifier delivering DC to linear regulator or SMPS controller. Use Value: UL E364304 recognition satisfies IEC 60335-1 requirements for household appliance safety. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU3K (ON Semiconductor) | Same 1000V VRRM and 3.0A IO, but GBU package (10.3mm × 14.2mm × 3.6mm) - 2.5× larger footprint and 2.6× taller | Not suitable for space-constrained LED drivers or ultra-thin adapters requiring MSBL's 7.3mm × 6.6mm outline | Select only if board layout accommodates larger GBU footprint and thermal mass permits higher RθJA |
| GBU6K (Vishay) | Higher 6.0A IO rating and 1000V VRRM, but same GBU package; VF = 1.05V typ at 3A/25°C - marginally lower conduction loss | Over-spec'd current rating increases cost and footprint without benefit in 3A-targeted designs | Prefer only when future-proofing for >4A load growth or where GBU footprint is already allocated |
Compared with GBU3K and GBU6K, MSB30M-13 provides identical voltage/current ratings in a significantly smaller MSBL package with superior thermal resistance (RθJC = 8°C/W vs ~12°C/W for GBU), making it optimal for miniaturized, thermally constrained AC/DC front-ends.
Availability
MSB30M-13 is available at Aetrix Electronics and suitable for LED lighting power supplies, AC-DC adapters, and battery chargers requiring stable component supply, RoHS 3 compliance, and UL safety recognition.
Supply support for MSB30M-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 MSB30M belongs to Diodes' standard recovery bridge rectifier product line, engineered for cost-sensitive, high-volume AC/DC conversion in consumer and industrial power supplies where reliability, compactness, and regulatory compliance are prioritized over ultra-fast recovery.
FAQ
What is the maximum operating temperature for MSB30M-13?
The MSB30M-13 has an operating junction temperature range of –55°C to +150°C. Its rated 3.0A average output current assumes case temperature (TC) of +120°C, verified under specified thermal conditions with a 15mm×12mm aluminum pad on a steel plate. Exceeding TC = +120°C requires current derating per the datasheet's thermal curves.
Is MSB30M-13 suitable for automotive applications?
MSB30M-13 is not AEC-Q200 qualified and lacks PPAP documentation or IATF 16949-specific manufacturing traceability. While Diodes offers automotive-grade variants, this part is intended for commercial/industrial use. For automotive systems, contact Diodes directly to request qualified alternatives meeting AEC-Q200 or AEC-Q101 requirements.
How does the MSBL package differ from GBU or KBU packages?
The MSBL package measures 7.3mm × 6.6mm × 1.4mm, offering a 60% smaller footprint and 60% lower profile than standard GBU (10.3mm × 14.2mm × 3.6mm) or KBU packages. Its thermal pad design enables lower RθJC (8°C/W vs ~12°C/W), and its lead-free matte tin plating meets strict SMT reflow profiles without voiding.
What is the meaning of the date code 'YWW' on MSB30M-13 marking?
The date code on MSB30M-13 is formatted as YWW: Y is the last digit of the year (e.g., '5' = 2025), and WW is the week number (01–53). This 3-character code (e.g., '523') indicates manufacture in week 23 of 2025. It is laser-marked on the green top surface adjacent to the MB30M product type code.
MSB30M-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 4-SMD, Flat Leads
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 1 kV
- Current - Average Rectified (Io):
- 3 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 3 A
- Current - Reverse Leakage @ Vr:
- 5 µA @ 1000 V
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 4-MSBL
MSB30M-13 FAQ
1.How can I place an order for MSB30M-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for MSB30M-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 MSB30M-13 reliable?
The price and inventory of MSB30M-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSB30M-13 is usually 5 days.
3.What payment methods are accepted for MSB30M-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSB30M-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSB30M-13?
MSB30M-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSB30M-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 MSB30M-13?
For technical support, including MSB30M-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSB30M-13 requirements.
6.How does Aetrix verify that MSB30M-13 is sourced from the original manufacturer or authorized distributors?
All MSB30M-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 MSB30M-13 meets industry standards.
7.What is the process for return or replacement of MSB30M-13?
All MSB30M-13 units undergo pre-shipment inspection (PSI). If there is an issue with MSB30M-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 MSB30M-13 part is unused and in its original packaging.
Return procedure for MSB30M-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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