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Diodes Incorporated RS3JB-13
- Part No.:
- RS3JB-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
RS3JB-13.pdf
- Description:
- DIODE GEN PURP 600V 3A SMB
- Quantity:
- Payment:
- Shipping:
Inventory:6,466
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Product details
Overview
RS3JB-13 from Diodes Incorporated is a 600 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 - deployed in AC/DC front-end rectification for industrial power supplies and LED drivers.
For engineers reviewing the RS3JB-13 datasheet, RS3JB-13 pinout, RS3JB-13 application, or RS3JB-13 equivalent, key selection criteria include peak repetitive reverse voltage (600 V), average forward 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, silicon planar junction, glass-passivated fast recovery rectifier optimized for high-efficiency switching power conversion. Its 150 ns recovery time enables operation in 50–100 kHz SMPS topologies without excessive switching loss.
The SMB package provides defined thermal path to PCB copper pad (5.0 mm², 0.013 mm thick), delivering 25 K/W junction-to-terminal resistance. Polarity is marked by cathode band; forward voltage remains ≤1.3 V under full rated DC load.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 600 V - supports input rectification from 400 VAC line-derived DC bus with margin |
| IO | 3.0 A @ TT = 75°C - continuous output current rating with standard PCB heatsinking |
| trr | 150 ns - enables efficient operation in 50–100 kHz flyback and forward converters |
| VF | 1.3 V @ IF = 3.0 A - limits conduction loss to <3.9 W at full load |
| IFSM | 100 A (8.3 ms half-sine) - withstands inrush surges in offline SMPS startup |
| RθJT | 25 K/W - requires ≥5.0 mm² copper pad for thermal compliance at full current |
| Cj | 50 pF @ 4 V, 1 MHz - contributes to EMI profile in high-dV/dt switching nodes |
Pinout & Package
SMB (DO-214AA) surface-mount plastic package with cathode band marking; terminals are solder-plated for MIL-STD-202 Method 208 compliance. Weight: 0.09 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | AC input node | Connected to transformer secondary or bridge input; carries full forward current |
| Cathode | DC output node | Feeds bulk capacitor or downstream converter; marked by visible band on package |
Key Features
| Feature | Design Value |
|---|---|
| Fast recovery time | 150 ns - reduces switching loss and improves efficiency in high-frequency SMPS |
| Glass-passivated die | Enhances humidity resistance and long-term reliability in industrial environments |
| UL 94V-0 plastic case | Meets flammability safety requirements for enclosed power equipment |
| 100 A surge rating | Supports cold-start inrush without degradation in typical 60 Hz line applications |
| SMB footprint | Enables compact layout and compatibility with standard SMT pick-and-place equipment |
Applications
| Industrial AC/DC Power Supplies | LED Driver Front-End Rectification |
|---|---|
Use Scenario: Rectifying 230 VAC mains to DC bus in DIN-rail mounted power supplies. IC Role / Device Role / Timing Role: Primary-side unidirectional current switch converting AC to pulsating DC. Use Value: 600 V VRRM provides 2× margin over 325 V peak line voltage; 150 ns trr minimizes switching loss at 65 kHz operation. | Use Scenario: Input rectification stage in constant-current LED drivers for street lighting. IC Role / Device Role / Timing Role: High-reliability AC input diode handling 50/60 Hz line frequency with surge immunity. Use Value: 100 A IFSM withstands capacitor-charging surges; UL 94V-0 housing meets outdoor luminaire safety standards. |
| Offline Flyback Converters | UPS Input Stage Rectification |
Use Scenario: Output rectifier in isolated 36 W flyback converter powering control logic. IC Role / Device Role / Timing Role: Secondary-side fast recovery diode conducting during transformer reset phase. Use Value: Low 1.3 V VF reduces conduction loss; SMB package allows dense secondary-side layout. | Use Scenario: Input bridge leg in line-interactive UPS handling brownout and surge conditions. IC Role / Device Role / Timing Role: Line-frequency rectifier subjected to repeated 100 A surge events during transfer switching. Use Value: Glass-passivated die ensures stable IR leakage (<5 µA @ 25°C) across 10+ year field life. |
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 | Same 600 V VRRM, 3 A IO, but 75 ns trr; TO-277 package (3-pin, anode-cathode-anode) | Lower recovery loss in >200 kHz designs; requires different footprint and thermal pad layout | Select when higher switching frequency or lower EMI is prioritized over footprint compatibility |
| ES3J | 600 V VRRM, 3 A IO, 150 ns trr, same SMB package; VF = 1.7 V @ 3 A | Higher conduction loss; wider availability but lower efficiency in thermally constrained layouts | Select when cost sensitivity outweighs 0.4 V VF penalty and thermal margin is sufficient |
Compared with STTH3L06S and ES3J, RS3JB-13 delivers optimal balance of low forward drop (1.3 V), fast recovery (150 ns), and SMB footprint compatibility - making it preferred for space-constrained 50–100 kHz industrial power supplies where thermal and layout constraints dominate.
Availability
RS3JB-13 is available at Aetrix Electronics and suitable for industrial AC/DC power supplies, LED driver front-end rectification, offline flyback converters, and UPS input stage rectification requiring stable component supply and long-term production continuity.
Supply support for RS3JB-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, specializing in high-reliability power management and signal integrity solutions for industrial, computing, and consumer markets.
RS3JB-13 belongs to the RS3x fast recovery rectifier product line, engineered for high-efficiency, high-reliability AC/DC conversion in space- and thermally-constrained industrial power systems.
FAQ
What is the maximum operating temperature for RS3JB-13?
The RS3JB-13 has a specified operating junction temperature range of –65°C to +150°C. Its average forward current rating of 3.0 A is guaranteed at terminal temperature (TT) = 75°C with a 5.0 mm² copper pad heatsink. Derating is required above this temperature per Figure 1 in the datasheet.
Is RS3JB-13 suitable for use in a bridge rectifier configuration?
Yes - RS3JB-13 is a single die, single-junction fast recovery rectifier designed for use as an individual leg in full-wave bridge configurations. Four units can form a discrete SMB-based bridge; its 600 V VRRM supports 400 VAC input with safety margin.
Does RS3JB-13 have lead-free and RoHS-compliant construction?
Yes - RS3JB-13 is manufactured with lead-free terminations and complies with RoHS Directive 2011/65/EU and JEDEC JS-709C. The molded plastic case meets UL 94V-0 flammability rating, and the device is halogen-free per IEC 61249-2-21.
How does the SMB package affect thermal performance compared to SMC?
The SMB package has higher thermal resistance (25 K/W) than the SMC variant (15 K/W), due to smaller copper pad area and lower mass. To maintain Tj < 150°C at 3.0 A, RS3JB-13 requires ≥5.0 mm² of 0.013 mm thick copper; SMC versions allow higher current density under identical layout.
RS3JB-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-214AA, SMB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 600 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):
- 250 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 600 V
- Capacitance @ Vr, F:
- 50pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMB
- Operating Temperature - Junction:
- -65°C ~ 150°C
RS3JB-13 FAQ
1.How can I place an order for RS3JB-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for RS3JB-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 RS3JB-13 reliable?
The price and inventory of RS3JB-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RS3JB-13 is usually 5 days.
3.What payment methods are accepted for RS3JB-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RS3JB-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RS3JB-13?
RS3JB-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RS3JB-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 RS3JB-13?
For technical support, including RS3JB-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RS3JB-13 requirements.
6.How does Aetrix verify that RS3JB-13 is sourced from the original manufacturer or authorized distributors?
All RS3JB-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 RS3JB-13 meets industry standards.
7.What is the process for return or replacement of RS3JB-13?
All RS3JB-13 units undergo pre-shipment inspection (PSI). If there is an issue with RS3JB-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 RS3JB-13 part is unused and in its original packaging.
Return procedure for RS3JB-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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