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Diodes Incorporated MSB30KH-13
- Part No.:
- MSB30KH-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Bridge Rectifiers
- Package:
- 4-SMD, Flat Leads
- Datasheet:
-
MSB30KH-13.pdf
- Description:
- BRIDGE RECT 1P 800V 3A 4-MSBL
- Quantity:
- Payment:
- Shipping:
Inventory:2,475
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Product details
Overview
MSB30KH-13 from Diodes Incorporated is a 3.0A surface-mount standard recovery bridge rectifier in MSBL package, rated for 800V peak repetitive reverse voltage (VRRM), 1.1V forward voltage (VF) at 3.0A/25°C, and 5μA reverse leakage (IR) at 800V/25°C. It delivers full-wave AC-to-DC conversion in compact SMPS and LED lighting power supplies.
For engineers reviewing the MSB30KH-13 datasheet, MSB30KH-13 pinout, MSB30KH-13 application, or MSB30KH-13 equivalent, this device supports high-reliability, lead-free SMT assembly in space-constrained industrial and consumer power converters requiring stable 3A average output current and 1000V PRV margin.
Technical Context
This single-phase bridge rectifier integrates four silicon diodes in a monolithic MSBL package with glass-passivated die construction. Its thermal resistance junction-to-case (RθJC) is 11°C/W, enabling operation up to +150°C junction temperature under proper PCB copper heatsinking.
The device exhibits 45pF total capacitance at 4V reverse bias and 1MHz, supporting low-noise rectification in switching power supplies. It sustains non-repetitive surge currents of 220A (1.0ms half-sine) and 110A (8.3ms), with I2t rating of 50.21 A2s for fuse coordination.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 800 V - Maximum repetitive reverse voltage per diode leg; defines safe AC input voltage ceiling in bridge configuration. |
| IO | 3.0 A - Average rectified output current at TC = +110°C; determines continuous DC load capability in thermally managed layouts. |
| VF | 1.1 V @ 3.0A, 25°C - Forward voltage drop per conducting diode pair; directly impacts conduction loss and thermal rise in 50/60Hz or low-frequency SMPS. |
| IR | 5 μA @ 800V, 25°C - Reverse leakage current per element; critical for low-power standby efficiency and high-impedance hold-up circuits. |
| IFSM | 220 A @ 1.0ms - Non-repetitive surge rating; enables robust startup and transient overload handling without latch-up or bond-wire failure. |
| RθJC | 11 °C/W - Junction-to-case thermal resistance; allows direct thermal coupling to PCB copper pads or heatsinks for reliable 3A operation. |
Pinout & Package
Package: MSBL - Surface-mount molded plastic package (UL 94V-0), dimensions 6.60 × 7.30 × 1.40 mm (D × E × A), with matte tin-plated terminals and moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode of upper-left diode (AC1) | One AC input terminal; connects to live AC line in full-wave bridge configuration. |
| Pin 2 | Cathode of upper-right diode (DC+) | Positive DC output node; common cathode connection for both top diodes. |
| Pin 3 | Anode of lower-right diode (AC2) | Second AC input terminal; connects to neutral or return AC line. |
| Pin 4 | Anode of lower-left diode (DC−) | Negative DC output node; common anode connection for both bottom diodes. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Enhances long-term reliability and humidity resistance in unsealed consumer and industrial enclosures. |
| Compact thin-profile MSBL package | Enables ultra-low height (<1.5mm) PCB layouts ideal for slim adapters and LED drivers with tight Z-axis constraints. |
| 1000V PRV rating | Provides 25% voltage margin above 800V VRRM, improving surge immunity in 230VAC mains applications with line transients. |
| Lead-free, halogen-free "Green" construction | Meets RoHS 3 (2015/863/EU) and automotive change-control requirements; supports eco-compliant manufacturing and end-of-life recycling. |
Applications
| SMPS Power Supply | LED Lighting Driver |
|---|---|
|
Use Scenario: AC input stage of 12–24W offline flyback converter powering LED tubes. IC Role / Device Role / Timing Role: Full-wave bridge rectifier converting 230VAC to pulsating DC before bulk capacitor and controller IC. Use Value: Low 1.1V VF minimizes conduction loss at 3A peak input current; MSBL footprint saves board area versus traditional KBP packages. |
Use Scenario: Input rectification in constant-current LED driver for commercial downlights. IC Role / Device Role / Timing Role: Primary-side AC-to-DC conversion feeding PFC or buck controller; operates continuously at ambient up to +85°C. Use Value: RθJC = 11°C/W enables direct thermal transfer to aluminum PCB, sustaining 3A average current without external heatsink. |
| Battery Charger | Home Appliance Power Input |
|
Use Scenario: Universal-input (90–264VAC) charger for cordless power tools with 3A output requirement. IC Role / Device Role / Timing Role: Bridge rectifier in primary side, followed by LLC resonant converter; handles 220A surge during cold-start. Use Value: 220A IFSM (1ms) withstands inrush into large input capacitors; UL recognition (E364304) satisfies safety certification. |
Use Scenario: AC input stage of microwave oven control board operating in high-temperature kitchen environments. IC Role / Device Role / Timing Role: Rectifies 120/230VAC supply for microcontroller and relay driver circuitry; exposed to ambient >70°C. Use Value: -55°C to +150°C operating range ensures functionality during internal thermal cycling; glass passivation prevents corrosion in humid conditions. |
Availability
MSB30KH-13 is available at Aetrix Electronics and suitable for SMPS power supplies, LED lighting drivers, battery chargers, and home appliance power inputs requiring stable component supply, RoHS-compliant SMT assembly, and 3A continuous rectification capability.
Supply support for MSB30KH-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 MSB30KH-13 belongs to Diodes' standard recovery bridge rectifier product line, engineered for cost-sensitive, high-volume AC/DC front-end applications where thermal robustness and SMT manufacturability are prioritized over ultra-fast switching.
FAQ
What is the maximum operating temperature for MSB30KH-13?
The MSB30KH-13 has a specified operating junction temperature range of –55°C to +150°C. At TC = +110°C, it delivers its full 3.0A average output current rating. Derating is required above this case temperature, following the thermal resistance values (RθJC = 11°C/W, RθJA = 29°C/W) and layout-dependent cooling performance.
Is MSB30KH-13 suitable for use in automotive applications?
The MSB30KH-13 is not AEC-Q200 qualified and is not intended for automotive safety-critical systems. Diodes Incorporated explicitly states that automotive-grade parts require separate qualification (AEC-Q100/101/104/200), PPAP capability, and IATF 16949 manufacturing-none of which apply to this standard recovery bridge rectifier.
How does MSB30KH-13 compare to MB30H in terms of package and pin compatibility?
The MSB30KH-13 uses the MSBL package (6.6 × 7.3 × 1.4 mm), while MB30H uses the larger MB-11 (12.7 × 12.7 × 4.2 mm) through-hole package. They share identical internal bridge topology and electrical ratings but differ physically: MSB30KH-13 is surface-mount only, with no pin compatibility or footprint interchangeability with MB30H.
What is the meaning of "PRV = 1000V" in the datasheet?
"Rated at 1000V PRV" refers to Peak Reverse Voltage-the maximum instantaneous reverse voltage the device can block without breakdown, measured under short-pulse test conditions (IR = 5μA). This exceeds the 800V VRRM rating and provides design margin against line surges and ringing in real-world AC mains environments.
MSB30KH-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):
- 800 V
- Current - Average Rectified (Io):
- 3 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 3 A
- Current - Reverse Leakage @ Vr:
- 5 µA @ 800 V
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 4-MSBL
MSB30KH-13 FAQ
1.How can I place an order for MSB30KH-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for MSB30KH-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 MSB30KH-13 reliable?
The price and inventory of MSB30KH-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSB30KH-13 is usually 5 days.
3.What payment methods are accepted for MSB30KH-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSB30KH-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSB30KH-13?
MSB30KH-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSB30KH-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 MSB30KH-13?
For technical support, including MSB30KH-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSB30KH-13 requirements.
6.How does Aetrix verify that MSB30KH-13 is sourced from the original manufacturer or authorized distributors?
All MSB30KH-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 MSB30KH-13 meets industry standards.
7.What is the process for return or replacement of MSB30KH-13?
All MSB30KH-13 units undergo pre-shipment inspection (PSI). If there is an issue with MSB30KH-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 MSB30KH-13 part is unused and in its original packaging.
Return procedure for MSB30KH-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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