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Diodes Incorporated RS3K-13-F
- Part No.:
- RS3K-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
RS3K-13-F.pdf
- Description:
- DIODE GEN PURP 800V 3A SMC
- Quantity:
- Payment:
- Shipping:
Inventory:9,752
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Product details
Overview
RS3K-13-F from Diodes Incorporated is a 800 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 RS3K-13-F datasheet, RS3K-13-F pinout, RS3K-13-F application, or RS3K-13-F equivalent, key selection criteria include peak repetitive reverse voltage (800 V), thermal resistance (25 K/W), junction-to-terminal mounting requirement, and fast recovery performance under 60 Hz half-wave resistive load conditions.
Technical Context
This device uses glass-passivated silicon die to achieve fast recovery (trr = 150 ns) with low forward voltage drop (VFM = 1.3 V @ 3.0 A) and high surge tolerance (IFSM = 100 A). It operates across –65 °C to +150 °C and requires a minimum 5.0 mm² copper pad for thermal management per JEDEC test condition.
The rectifier is rated for single-phase, half-wave 60 Hz operation with resistive or inductive loads; capacitive loads require 20% current derating. Reverse leakage is specified at 5.0 µA @ 25 °C and 250 µA @ 125 °C under full DC blocking voltage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 800 V - maximum repetitive reverse voltage; defines safe operating limit in bridge or choke-input rectifier topologies |
| IO @ TT=75°C | 3.0 A - average forward current rating with terminal temperature limited to 75 °C; requires PCB copper heatsinking |
| VFM @ IF=3.0A | 1.3 V - forward voltage drop determining conduction loss and thermal dissipation in continuous operation |
| trr | 150 ns - reverse recovery time measured at IF=0.5A, IR=1.0A, Irr=0.25A; critical for EMI and switching loss in high-frequency rectifiers |
| RJT | 25 K/W - junction-to-terminal thermal resistance with 5.0 mm² copper pad; used to calculate junction temperature rise under load |
| IFSM | 100 A - non-repetitive surge rating for 8.3 ms half-sine wave; supports inrush current handling during cold start |
Pinout & Package
SMB (DO-214AA) surface-mount package with cathode band marking; two-terminal device (anode and cathode) mounted on PCB with solderable tin-plated terminals compliant with MIL-STD-202, Method 208.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Input terminal for positive half-cycle conduction | Connected to AC source or transformer secondary; carries full forward current during conduction phase |
| Cathode | Output terminal for rectified DC path | Marked with band; connects to bulk capacitor or downstream filter stage; defines polarity of output rail |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated die construction | Enables stable reverse leakage performance and long-term reliability under thermal cycling and humidity stress |
| Fast recovery time (150 ns) | Reduces switching losses and EMI generation in high-frequency rectifier stages compared to standard recovery diodes |
| UL 94V-0 flammability rating | Confirms flame-retardant plastic encapsulation suitable for safety-critical industrial and medical power systems |
| 100 A surge rating (JEDEC method) | Supports robust operation during line transients and cold-start inrush without degradation or failure |
Applications
| Industrial AC/DC Power Supplies | LED Driver Input Rectification |
|---|---|
Use Scenario: Single-phase rectification in 100–300 W open-frame power supplies for factory automation controllers. IC Role / Device Role / Timing Role: Primary-side fast recovery rectifier converting 230 VAC input to unregulated DC bus. Use Value: 150 ns trr minimizes switching node ringing and reduces snubber losses in high-efficiency designs. | Use Scenario: Input-stage rectification in constant-current LED drivers for street lighting. IC Role / Device Role / Timing Role: Half-wave rectifier feeding bulk capacitor and PFC controller; handles 50/60 Hz line frequency. Use Value: 800 V VRRM provides margin against line surges up to 1.2 kV in outdoor-rated luminaires. |
| UPS Battery Charger Front-End | Motor Drive Auxiliary Power Supply |
Use Scenario: Rectification in dual-mode UPS chargers that accept 100–240 VAC input. IC Role / Device Role / Timing Role: Fast recovery diode in voltage-doubler or bridge configuration supplying isolated auxiliary rails. Use Value: 25 K/W RJT enables thermal stability when mounted on shared heatsink with MOSFETs and gate drivers. | Use Scenario: Auxiliary 24 V supply generation in 3-phase inverter drives for HVAC compressors. IC Role / Device Role / Timing Role: Secondary-side rectifier in flyback-derived bias supply powering gate drivers and control ICs. Use Value: 1.3 V VFM reduces no-load power loss and improves standby efficiency compliance (e.g., Energy Star Level VI). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH3R08S | Same SMB package, 800 V VRRM, but trr = 125 ns and VFM = 1.25 V @ 3 A | Lower conduction loss and faster recovery; suited for higher-frequency SMPS where EMI is critical | Select when optimizing for lowest possible switching loss and tighter EMI filtering requirements |
| ES3J-E3/57T | SMB package, 600 V VRRM, trr = 35 ns, VFM = 1.7 V @ 3 A | Higher speed but lower voltage rating; unsuitable for 230 VAC mains without derating | Use only in 115 VAC-only or low-voltage DC-DC input stages requiring ultra-fast recovery |
Compared with STTH3R08S and ES3J-E3/57T, RS3K-13-F offers balanced trade-offs: sufficient 800 V rating for global mains input, proven thermal behavior with standard PCB layout, and cost-effective performance for industrial-grade rectification where extreme speed is not required.
Availability
RS3K-13-F is available at Aetrix Electronics and suitable for industrial AC/DC power supplies, LED driver input rectification, and UPS battery charger front-ends requiring stable component supply and long-lifecycle support.
Supply support for RS3K-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, specializing in high-reliability power, signal integrity, and timing solutions for industrial and automotive markets.
RS3K-13-F belongs to the RS3x fast recovery rectifier product line, designed specifically for high-efficiency, thermally robust AC/DC conversion in space-constrained surface-mount power systems.
FAQ
What is the maximum allowable junction temperature for RS3K-13-F?
The absolute maximum junction temperature is +150 °C, with storage temperature range matching at –65 °C to +150 °C. Operation above this limit risks permanent parametric shift or catastrophic failure. Thermal design must ensure TJ ≤ 150 °C using the 25 K/W RJT value and measured terminal temperature.
Can RS3K-13-F be used in full-wave bridge configurations?
Yes - RS3K-13-F is a single die, two-terminal device and is commonly used as one quadrant in discrete full-wave bridge assemblies. Its 800 V VRRM and 100 A IFSM make it suitable for both center-tapped and bridge rectifier topologies operating from 230 VAC mains.
Is RS3K-13-F RoHS compliant and halogen-free?
Yes - RS3K-13-F meets RoHS Directive 2011/65/EU and is certified halogen-free per IEC 61249-2-21. The device carries the "-F" suffix per Diodes Incorporated's standard designation for lead-free, green-compliant packaging.
Does RS3K-13-F require a heatsink for 3.0 A continuous operation?
No dedicated heatsink is required, but a minimum 5.0 mm² copper pad (0.013 mm thick) must be used as the thermal interface per JEDEC test condition. This pad functions as the primary heatsink; additional copper pour or internal layers improve thermal performance in high-ambient environments.
RS3K-13-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-214AB, SMC
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 800 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 @ 800 V
- Capacitance @ Vr, F:
- 50pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMC
- Operating Temperature - Junction:
- -65°C ~ 150°C
RS3K-13-F FAQ
1.How can I place an order for RS3K-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for RS3K-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 RS3K-13-F reliable?
The price and inventory of RS3K-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 RS3K-13-F is usually 5 days.
3.What payment methods are accepted for RS3K-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RS3K-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RS3K-13-F?
RS3K-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RS3K-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 RS3K-13-F?
For technical support, including RS3K-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RS3K-13-F requirements.
6.How does Aetrix verify that RS3K-13-F is sourced from the original manufacturer or authorized distributors?
All RS3K-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 RS3K-13-F meets industry standards.
7.What is the process for return or replacement of RS3K-13-F?
All RS3K-13-F units undergo pre-shipment inspection (PSI). If there is an issue with RS3K-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 RS3K-13-F part is unused and in its original packaging.
Return procedure for RS3K-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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