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Diodes Incorporated RS3MB-13-F
- Part No.:
- RS3MB-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
RS3MB-13-F.pdf
- Description:
- DIODE GEN PURP 1KV 3A SMB
- Quantity:
- Payment:
- Shipping:
Inventory:10,787
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Product details
Overview
RS3MB-13-F from Diodes Incorporated is a 1000 V, 3.0 A surface-mount fast recovery rectifier in SMB (DO-214AA) package, featuring 150 ns reverse recovery time, 1.3 V forward voltage at 3.0 A, and 100 A non-repetitive surge capability - used in AC/DC front-end rectification for industrial power supplies and LED drivers.
For engineers reviewing the RS3MB-13-F datasheet, RS3MB-13-F pinout, RS3MB-13-F application, or RS3MB-13-F equivalent, key selection criteria include peak repetitive reverse voltage (1000 V), thermal resistance (25 K/W), junction-to-terminal cooling path, and fast recovery performance under 60 Hz inductive loads.
Technical Context
This device is a single-phase, silicon planar epitaxial fast recovery rectifier with glass-passivated die construction. It delivers low forward voltage drop (1.3 V @ 3.0 A) and high surge robustness (100 A, 8.3 ms half-sine) while maintaining tight trr control (150 ns) under standardized test conditions (IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A).
Designed for automated SMT assembly on PCBs with ≥5.0 mm² copper pad heat sinking, it operates across –65 °C to +150 °C and meets UL 94V-0 flammability requirements. Its cathode band polarity marking and solderable terminals comply with MIL-STD-202, Method 208.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 1000 V - supports input rectification in 800 VAC line-derived systems with safety margin |
| IO @ TT=75°C | 3.0 A - continuous DC output current with terminal temperature limited to 75 °C |
| VFM @ IF=3.0A | 1.3 V - reduces conduction loss by ~39% vs. standard recovery diodes at same current |
| trr | 150 ns - enables operation in high-frequency switching converters up to ~200 kHz without excessive switching loss |
| IFSM (8.3ms) | 100 A - withstands inrush surges from cold-started capacitive-input power supplies |
| RJT | 25 K/W - requires ≥5.0 mm² copper pad for thermal management per JEDEC mounting condition |
| IRM @ 125°C | 250 µA - ensures low leakage in high-temp environments like enclosed LED drivers |
Pinout & Package
SMB (DO-214AA) plastic package with molded body, solder-plated terminals, and cathode band marking. Weight: 0.09 g. UL 94V-0 rated.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Input terminal for AC or positive half-cycle | Connected to transformer secondary or bridge input; carries full load current during conduction |
| Cathode | Output terminal for rectified DC | Marked with band; connects to bulk capacitor or downstream regulator; handles reverse voltage blocking |
Key Features
| Feature | Design Value |
|---|---|
| Fast recovery time | 150 ns - minimizes reverse recovery charge (Qrr) and associated switching losses in SMPS |
| Glass-passivated die | Enhances humidity resistance and long-term reliability in unsealed industrial enclosures |
| Low VF at rated current | 1.3 V @ 3.0 A - improves system efficiency and reduces heatsink requirements |
| High surge rating | 100 A peak - accommodates repeated cold-start surges without degradation |
Applications
| Industrial AC/DC Power Supply | LED Driver Input Rectification |
|---|---|
Use Scenario: Single-phase rectification stage in 100–200 W open-frame power supplies for factory automation controllers. IC Role / Device Role / Timing Role: Fast recovery rectifier in bridge or discrete half-wave configuration; blocks 1000 V reverse transients during line spikes. Use Value: 150 ns trr prevents cross-conduction loss in high-frequency PFC stages; 25 K/W RJT enables compact layout with minimal copper area. | Use Scenario: Input rectifier in isolated flyback LED drivers for street lighting operating at 277 VAC line. IC Role / Device Role / Timing Role: Primary-side AC input rectifier; handles 100 A surge during lamp hot-plug events. Use Value: 1000 V VRRM provides margin against 277 VAC × √2 × 1.2 transient peaks; UL 94V-0 housing meets outdoor luminaire safety standards. |
| UPS Input Stage | Motor Drive Auxiliary Power |
Use Scenario: Input rectification in online UPS systems where battery backup must engage within 4 ms of mains failure. IC Role / Device Role / Timing Role: High-reliability rectifier in dual-path input stage; sustains conduction during brief line sags. Use Value: Stable 250 µA IRM at 125 °C ensures no thermal runaway during extended overload; SMB footprint allows dense board layout. | Use Scenario: Auxiliary 24 V supply rectifier for gate driver ICs and logic in 3-phase inverter modules. IC Role / Device Role / Timing Role: Isolated auxiliary supply rectifier; operates continuously at elevated ambient temperatures near IGBT heatsinks. Use Value: –65 °C to +150 °C rating supports operation adjacent to 100 °C heatsinks; 0.09 g weight minimizes mechanical stress on SMT joints. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH3L06S | 600 V VRRM, 120 ns trr, TO-277 package | Limited to ≤600 V line-derived systems; lower surge rating (60 A) | Choose when lower voltage rating suffices and faster recovery is prioritized over surge margin |
| ES3M-E3/57T | 1000 V VRRM, 250 ns trr, SMB package, 1.7 V VF @ 3A | Higher forward loss increases thermal load; identical mounting but higher junction temp rise | Acceptable where cost sensitivity outweighs efficiency targets and thermal headroom exists |
Compared with RS3MB-13-F, STTH3L06S trades 400 V blocking margin for faster recovery, while ES3M-E3/57T retains voltage rating but sacrifices conduction efficiency - making RS3MB-13-F optimal for 1000 V, thermally constrained, high-surge industrial rectification.
Availability
RS3MB-13-F is available at Aetrix Electronics and suitable for industrial AC/DC power supplies, LED driver input stages, UPS input rectification, and motor drive auxiliary power requiring stable component supply and long-lifecycle support.
Supply support for RS3MB-13-F 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, serving industrial, computing, communications, and consumer markets with high-reliability components.
The RS3x series belongs to Diodes' fast recovery rectifier product line, engineered specifically for high-efficiency, high-voltage AC/DC conversion in space-constrained SMT applications demanding robust surge handling and thermal stability.
FAQ
What is the maximum allowable junction temperature for RS3MB-13-F?
The absolute maximum junction temperature is +150 °C, as specified in the datasheet's operating temperature range. This limit applies under steady-state conditions with proper PCB thermal design - specifically a 5.0 mm² copper pad per JEDEC mounting guidelines. Exceeding this temperature risks permanent parametric shift or catastrophic failure.
Can RS3MB-13-F replace a standard recovery rectifier in an existing 60 Hz transformer-based power supply?
Yes - RS3MB-13-F can directly replace standard recovery diodes in 60 Hz linear supplies, provided its 1000 V VRRM exceeds the peak inverse voltage present. Its faster recovery introduces no risk in low-frequency operation, and its lower VF (1.3 V vs. typical 1.8 V) reduces conduction loss and improves efficiency without circuit modification.
Is RS3MB-13-F suitable for use in a capacitive-input filter configuration?
No - the datasheet explicitly states that current must be derated by 20% for capacitive loads due to high peak currents. In such configurations, RMS current stress increases significantly, risking thermal overload. For capacitive-input designs, use a higher-current-rated part or implement inrush limiting to stay within the 3.0 A average rating.
Does RS3MB-13-F have lead-free and RoHS-compliant construction?
Yes - RS3MB-13-F is manufactured with lead-free terminations and complies with EU RoHS Directive 2011/65/EU and JEDEC JS-709B. The "-F" suffix in the part number denotes RoHS-compliant packaging and plating, confirmed in Diodes Incorporated's official product change notices and material declarations.
RS3MB-13-F 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):
- 1000 V
- Current - Average Rectified (Io):
- 3A
- Voltage - Forward (Vf) (Max) @ If:
- 1.3 V @ 3 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 500 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 1000 V
- Capacitance @ Vr, F:
- 50pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMB
- Operating Temperature - Junction:
- -65°C ~ 150°C
RS3MB-13-F FAQ
1.How can I place an order for RS3MB-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for RS3MB-13-F 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 RS3MB-13-F reliable?
The price and inventory of RS3MB-13-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RS3MB-13-F is usually 5 days.
3.What payment methods are accepted for RS3MB-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RS3MB-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RS3MB-13-F?
RS3MB-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RS3MB-13-F 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 RS3MB-13-F?
For technical support, including RS3MB-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RS3MB-13-F requirements.
6.How does Aetrix verify that RS3MB-13-F is sourced from the original manufacturer or authorized distributors?
All RS3MB-13-F 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 RS3MB-13-F meets industry standards.
7.What is the process for return or replacement of RS3MB-13-F?
All RS3MB-13-F units undergo pre-shipment inspection (PSI). If there is an issue with RS3MB-13-F, 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 RS3MB-13-F part is unused and in its original packaging.
Return procedure for RS3MB-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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