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Diodes Incorporated RS3G-13
- Part No.:
- RS3G-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
RS3G-13.pdf
- Description:
- DIODE GEN PURP 400V 3A SMC
- Quantity:
- Payment:
- Shipping:
Inventory:9,095
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Product details
Overview
RS3G-13 from Diodes Incorporated is a 400 V, 3.0 A surface-mount fast recovery rectifier in SMB package, featuring 150 ns reverse recovery time, 1.3 V forward voltage at 3.0 A, and 100 A non-repetitive surge capability - deployed in AC/DC front-end rectification for industrial power supplies.
For engineers reviewing the RS3G-13 datasheet, RS3G-13 pinout, RS3G-13 application, or RS3G-13 equivalent, key selection criteria include peak repetitive reverse voltage (400 V), average rectified current (3.0 A @ TT = 75°C), thermal resistance (25 K/W), recovery time (150 ns), and SMB package compatibility with automated SMT assembly.
Technical Context
This device is a single-phase, glass-passivated silicon junction rectifier optimized for high-efficiency switching power conversion. Its fast recovery (trr = 150 ns) minimizes switching losses in 50–100 kHz SMPS topologies, while low forward voltage (VFM = 1.3 V @ 3.0 A) reduces conduction loss under continuous load.
The SMB package provides validated thermal performance (RJT = 25 K/W with 5.0 mm² copper pad) and meets UL 94V-0 flammability requirements. Polarity is marked by cathode band; terminals are solder-plated per MIL-STD-202, Method 208.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 400 V - Maximum peak repetitive reverse voltage; defines safe blocking capability in bridge or half-wave rectifier stage. |
| IO | 3.0 A @ TT = 75°C - Continuous DC output current rating; requires thermal management via PCB copper area. |
| VFM | 1.3 V @ IF = 3.0 A - Forward conduction loss at rated current; directly impacts efficiency and thermal rise in power stage. |
| trr | 150 ns - Measured under IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A; enables use in medium-frequency SMPS without excessive EMI or loss. |
| IFSM | 100 A - Non-repetitive surge rating (8.3 ms half-sine); supports inrush current handling during AC line startup. |
| RJT | 25 K/W - Junction-to-terminal thermal resistance with 5.0 mm² copper pad; used to calculate junction temperature rise under load. |
Pinout & Package
SMB (DO-214AA) surface-mount package: molded plastic case with solder-plated terminals; cathode identified by band marking; weight ≈ 0.09 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | AC input node | Accepts incoming alternating waveform; connects to transformer secondary or bridge input leg. |
| Cathode | DC output node | Delivers rectified unidirectional current to bulk capacitor or downstream regulator; marked by band. |
Key Features
| Feature | Design Value |
|---|---|
| Fast recovery time | 150 ns - Reduces reverse recovery charge (Qrr), lowering switching loss and EMI in 50–100 kHz converters. |
| Glass passivated die | Enhanced moisture and contamination resistance - improves long-term reliability in humid or industrial environments. |
| Low forward voltage | 1.3 V @ 3.0 A - Minimizes I²R conduction loss and thermal stress compared to standard recovery rectifiers. |
| UL 94V-0 plastic case | Self-extinguishing housing - satisfies safety compliance for enclosed power supply designs. |
Applications
| Industrial AC/DC Power Supplies | LED Driver Input Rectification |
|---|---|
Use Scenario: Front-end rectification in 30–100 W open-frame power supplies for factory automation controllers. IC Role / Device Role / Timing Role: Unidirectional current steering element converting 85–265 VAC input to pulsating DC before bulk capacitance. Use Value: 400 V VRRM withstands line surges; 150 ns trr prevents cross-conduction loss in high-frequency flyback designs. | Use Scenario: Input-stage rectification in constant-current LED drivers for street lighting. IC Role / Device Role / Timing Role: Half-wave or full-bridge diode conducting mains-frequency current into smoothing stage. Use Value: 3.0 A IO rating supports >25 W LED loads; SMB footprint enables compact, thermally efficient layout on metal-core PCB. |
| UPS Battery Charger Circuits | DC Motor Drive Input Stage |
Use Scenario: AC-to-DC conversion in offline battery charging modules for small UPS systems. IC Role / Device Role / Timing Role: Primary-side rectifier feeding controlled charging circuitry and isolation transformer. Use Value: 100 A IFSM handles repeated inrush during AC reconnection; UL 94V-0 case meets safety certification requirements. | Use Scenario: Rectification of AC line input in 24–48 V brushed DC motor drive power stages. IC Role / Device Role / Timing Role: Bridge arm component delivering unidirectional current to H-bridge input capacitor bank. Use Value: 25 K/W RJT enables stable operation at 75°C ambient; cathode band ensures correct polarity alignment in dense motor control layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor MUR340 | Same SMB package, identical 400 V VRRM and 3.0 A IO, but trr = 50 ns (faster), VFM = 1.25 V. | Better suited for >200 kHz PFC or resonant converters where lower Qrr is critical. | Select when faster recovery and marginally lower conduction loss justify cost premium. |
| Vishay VS-3EJH04-M3 | SMB package, 400 V VRRM, 3.0 A IO, trr = 200 ns, VFM = 1.35 V, higher IRM (50 µA @ 125°C). | Higher leakage tolerance acceptable in high-temperature battery backup circuits. | Prefer where elevated IRM stability at 125°C is prioritized over minimal trr variation. |
Compared with RS3G-13, MUR340 offers superior speed for high-frequency designs, while VS-3EJH04-M3 trades slight speed reduction for enhanced high-temperature leakage performance - both retain SMB footprint and core voltage/current ratings.
Availability
RS3G-13 is available at Aetrix Electronics and suitable for industrial AC/DC power supplies, LED driver input rectification, and UPS battery charger circuits requiring stable component supply and consistent SMB package sourcing.
Supply support for RS3G-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 and manufacturing operations across Asia and the Americas.
The RS3x series belongs to Diodes' general-purpose fast recovery rectifier product line, engineered specifically for cost-sensitive, medium-frequency AC/DC conversion in industrial and lighting applications.
FAQ
What is the maximum operating junction temperature for RS3G-13?
The RS3G-13 has an operating junction temperature range of –65°C to +150°C. Its thermal design must ensure TJ does not exceed 150°C under worst-case conditions, using the specified 25 K/W junction-to-terminal resistance and appropriate PCB copper area (5.0 mm² minimum) for heat dissipation.
Can RS3G-13 be used in full-wave bridge configurations?
Yes - RS3G-13 is a single die rectifier intended for use in discrete full-wave bridge assemblies. Four units can form a standard bridge rectifier; its 400 V VRRM rating supports up to 280 VAC RMS input (400 V / √2), making it suitable for universal-input (85–265 VAC) designs.
How does the 150 ns recovery time impact EMI in switch-mode designs?
The 150 ns trr limits reverse recovery charge (Qrr), reducing high-frequency ringing and conducted EMI during turn-off. In 50–100 kHz flyback or forward converters, this value avoids excessive voltage overshoot across MOSFETs and simplifies snubber design versus standard recovery diodes with trr > 500 ns.
Is RS3G-13 compliant with lead-free and RoHS requirements?
Yes - RS3G-13 is manufactured with lead-free terminations and complies with EU RoHS Directive 2011/65/EU and JEDEC JS-709C. The solder plating meets Pb-free reflow profiles (peak 260°C), and the device carries the "Pb-Free" marking per Diodes Incorporated's packaging standards.
RS3G-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-214AB, SMC
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 400 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):
- 150 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 400 V
- Capacitance @ Vr, F:
- 50pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMC
- Operating Temperature - Junction:
- -65°C ~ 150°C
RS3G-13 FAQ
1.How can I place an order for RS3G-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for RS3G-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 RS3G-13 reliable?
The price and inventory of RS3G-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RS3G-13 is usually 5 days.
3.What payment methods are accepted for RS3G-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RS3G-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RS3G-13?
RS3G-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RS3G-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 RS3G-13?
For technical support, including RS3G-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RS3G-13 requirements.
6.How does Aetrix verify that RS3G-13 is sourced from the original manufacturer or authorized distributors?
All RS3G-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 RS3G-13 meets industry standards.
7.What is the process for return or replacement of RS3G-13?
All RS3G-13 units undergo pre-shipment inspection (PSI). If there is an issue with RS3G-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 RS3G-13 part is unused and in its original packaging.
Return procedure for RS3G-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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