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Diodes Incorporated MSB10M-13
- Part No.:
- MSB10M-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Bridge Rectifiers
- Package:
- 4-SMD, Flat Leads
- Datasheet:
-
MSB10M-13.pdf
- Description:
- BRIDGE RECT 1PHASE 1KV 1A 4-MSB
- Quantity:
- Payment:
- Shipping:
Inventory:5,610
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Product details
Overview
MSB10M from Diodes Incorporated is a 1.0A, 1000V glass passivated surface-mount bridge rectifier in the MSB package, featuring VF = 1.05 V at 1.0 A and IR ≤ 5 µA at 1000 V, designed for AC–DC full-wave rectification in LED lighting drivers and offline SMPS input stages.
For engineers reviewing the MSB10M datasheet, MSB10M pinout, MSB10M application, or MSB10M equivalent, key selection criteria include peak repetitive reverse voltage (1000 V), average output current rating (1.0 A at TC = +120°C), thermal resistance (RθJC = 12 °C/W), and RoHS-compliant matte tin–annealed leadframe construction.
Technical Context
The MSB10M integrates four silicon diodes in a single-phase full-wave bridge configuration with glass-passivated junctions to ensure stable reverse blocking under transient overvoltage conditions. Its MSB package enables compact PCB layout while maintaining thermal performance via low RθJC (12 °C/W) and high surge capability (IFSM = 35 A, 8.3 ms half-sine).
It operates across –55°C to +150°C junction temperature range and supports standard SMT reflow profiles (Moisture Sensitivity Level 1). The device exhibits CT = 10 pF at VR = 4 V / 1 MHz and maintains leakage <500 µA up to +125°C - critical for high-temperature adapter and charger designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 1000 V - Withstands peak reverse voltage in universal-input (85–265 VAC) rectifier applications without breakdown |
| IO (at TC = +120°C) | 1.0 A - Continuous DC output current rating under thermally constrained board-level conditions |
| VF (max @ 1.0 A) | 1.05 V - Total forward drop across two series diodes in conduction path; impacts conduction loss and thermal design |
| IR (max @ 1000 V, +25°C) | 5 µA - Low leakage ensures minimal standby power loss in energy-efficient adapters and LED drivers |
| RθJC | 12 °C/W - Enables direct heat transfer from die to PCB copper pad, supporting high-power-density layouts |
| IFSM | 35 A - Handles inrush surges during cold-start of capacitive-input SMPS without degradation |
| CT | 10 pF @ 4 V, 1 MHz - Low junction capacitance minimizes EMI generation and switching noise coupling |
Pinout & Package
Package: MSB - Surface-mount molded plastic package (UL 94V-0), dimensions 4.50 × 5.00 × 1.20 mm (D × E × A), weight ≈ 0.09 g, with matte tin–annealed copper leadframe.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Anode 1) | AC Input Terminal | One AC input node of internal bridge; marked on body with polarity indicator |
| Pin 2 (Cathode) | DC Positive Output | Common cathode connection of two series diodes; delivers rectified positive output |
| Pin 3 (Anode 2) | AC Input Terminal | Second AC input node; completes full-wave bridge input pair |
| Pin 4 (Anode 3) | DC Negative Output / Common Anode | Common anode node tied to circuit ground or negative rail; not isolated |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die construction | Enhances long-term reliability and moisture resistance versus epoxy-passivated alternatives |
| Compact thin-profile MSB package | Reduces PCB footprint by >30% vs. traditional DB-1/DB-2 packages while enabling automated placement |
| Lead-free, RoHS 3 compliant finish | Meets EU Directive 2015/863/EU with Br+Cl <1500 ppm and Sb <1000 ppm - "Green" certified |
| Low thermal resistance (RθJC = 12 °C/W) | Supports higher ambient operating temperatures without derating in sealed LED driver enclosures |
| High surge current rating (IFSM = 35 A) | Withstands repeated cold-start inrush events in battery chargers and telecom power supplies |
Applications
| LED Lighting Drivers | AC-DC Adapters |
|---|---|
Use Scenario: Input-stage full-wave rectification in non-isolated buck-based LED drivers for commercial downlights. IC Role / Device Role / Timing Role: Bridge rectifier converting 120/230 VAC mains to pulsating DC before bulk capacitor and switching regulator. Use Value: 1000 V VRRM ensures margin against line transients; low VF reduces conduction loss in thermally limited aluminum-core PCBs. | Use Scenario: Primary-side rectification in universal-input (85–265 VAC) wall-wart adapters for consumer electronics. IC Role / Device Role / Timing Role: Passive AC–DC conversion stage delivering unregulated DC bus to PWM controller IC. Use Value: 1.0 A IO rating supports up to 12 W output; MSB footprint allows tight layout near EMI filter components. |
| Battery Chargers | Home Appliance Power Supplies |
Use Scenario: Input rectification in multi-port USB PD chargers with dual-output flyback topology. IC Role / Device Role / Timing Role: Full-wave bridge providing DC bus for primary-side controller and auxiliary bias winding. Use Value: IFSM = 35 A handles simultaneous port startup surges; low IR (<5 µA) minimizes no-load power consumption. | Use Scenario: Mains rectification in control board power supplies for washing machines and refrigerators. IC Role / Device Role / Timing Role: High-reliability AC–DC interface delivering 12–24 VDC to MCU and sensor subsystems. Use Value: –55°C to +150°C operating range accommodates under-hood or enclosed cabinet environments; robust glass passivation resists humidity-induced failure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ABS10 | Same 1000 V / 1.0 A rating but in ABS package (larger footprint: 5.2 × 4.2 × 2.0 mm); VF = 1.1 V max @ 1 A | Requires larger PCB area; slightly higher conduction loss; same thermal derating curve | Choose ABS10 only if MSB footprint is incompatible with existing layout or thermal mass requirements exceed MSB capability |
| GBU4K | Higher current rating (4.0 A), larger GBU package (17.5 × 11.5 × 4.5 mm); VF = 1.05 V @ 4 A; RθJC = 10 °C/W | Over-specified for 1 A designs; requires significant layout redesign and heatsinking assessment | Select GBU4K only when future-proofing for higher-power variants or where mechanical mounting constraints favor through-hole solutions |
Compared with ABS10 and GBU4K, MSB10M offers optimal balance of miniaturization, thermal efficiency, and cost for space-constrained 1 A AC–DC front ends - especially where SMT scalability and low standby loss are prioritized.
Availability
MSB10M is available at Aetrix Electronics and suitable for LED lighting drivers, AC-DC adapters, and battery charger designs requiring stable component supply and RoHS-compliant manufacturing.
Supply support for MSB10M 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, signal integrity, and protection devices for industrial, computing, and consumer markets.
The MSB series bridges target cost-sensitive, high-volume AC–DC conversion applications where compact size, thermal performance, and regulatory compliance (RoHS 3, halogen-free) are mandatory design requirements.
FAQ
Is MSB10M still in active production?
No - the official Diodes datasheet (DS37032 Rev. 5-4, Dec 2021) explicitly states "OBSOLETE – PART DISCONTINUED". Aetrix Electronics holds legacy stock and supports last-time-buy programs with full traceability and documentation for ongoing production continuity.
What is the correct pin 1 orientation for MSB10M?
Pin 1 is the leftmost terminal when viewing the top side of the MSB package with the marking "M10" and date code visible. It corresponds to Anode 1 (AC input), and polarity is indicated by a beveled edge or notch on the package body per Diodes' MSB outline drawing.
Can MSB10M replace ABS10 in an existing design?
Yes, with layout adaptation: both share identical electrical ratings (1000 V / 1.0 A), but MSB10M uses a smaller MSB footprint (4.5 × 5.0 mm) versus ABS10's ABS package (5.2 × 4.2 mm). Pad layout and stencil aperture must be updated; thermal validation is recommended due to differing RθJA (80 vs. 75 °C/W).
Does MSB10M meet automotive qualification standards?
No - the datasheet confirms it is not AEC-Q101 qualified. Diodes explicitly notes that automotive-grade equivalents require PPAP-capable manufacturing in IATF 16949 facilities and separate qualification; MSB10M is intended for industrial, consumer, and commercial applications only.
MSB10M-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 4-SMD, Flat Leads
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 1 kV
- Current - Average Rectified (Io):
- 1 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.05 V @ 1 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-MSB
MSB10M-13 FAQ
1.How can I place an order for MSB10M-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for MSB10M-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 MSB10M-13 reliable?
The price and inventory of MSB10M-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSB10M-13 is usually 5 days.
3.What payment methods are accepted for MSB10M-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSB10M-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSB10M-13?
MSB10M-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSB10M-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 MSB10M-13?
For technical support, including MSB10M-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSB10M-13 requirements.
6.How does Aetrix verify that MSB10M-13 is sourced from the original manufacturer or authorized distributors?
All MSB10M-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 MSB10M-13 meets industry standards.
7.What is the process for return or replacement of MSB10M-13?
All MSB10M-13 units undergo pre-shipment inspection (PSI). If there is an issue with MSB10M-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 MSB10M-13 part is unused and in its original packaging.
Return procedure for MSB10M-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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