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Diodes Incorporated FRS1ME
- Part No.:
- FRS1ME
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-219AA
- Datasheet:
-
FRS1ME.pdf
- Description:
- DIODE GEN PURP 1KV 1A DO219AA TR
- Quantity:
- Payment:
- Shipping:
Inventory:2,482
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Product details
Overview
FRS1ME from Diodes Incorporated is a 1.0A surface-mount fast recovery rectifier in DO-219AA package, rated for 1000V peak repetitive reverse voltage, 1.3V max forward voltage at 1A, and 500ns reverse recovery time. It serves as a boost diode in PFC circuits and secondary/freewheeling rectifier in high-frequency DC-DC and AC-AC converters operating up to +150°C.
For engineers reviewing the FRS1ME datasheet, FRS1ME pinout, FRS1ME application, or FRS1ME equivalent, key selection criteria include its 500ns tRR, 5µA IR at 1000V/25°C, DO-219AA thermal resistance (RθJA = 110°C/W), low-profile footprint, and AEC-Q101 qualification for automotive-grade reliability.
Technical Context
The FRS1ME employs glass-passivated silicon die construction to achieve stable reverse leakage (<5µA at 1000V, 25°C) and robust thermal performance (TJ = –55°C to +150°C). Its superfast recovery enables efficient operation in >100kHz switching topologies without excessive switching loss.
Designed for high-temperature environments, it delivers 1A average rectified current with 20°C/W junction-to-case thermal resistance and supports surge currents up to 30A (8.3ms half-sine), making it suitable for transient-heavy power conversion stages.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 1000 V - Withstands peak reverse voltages in universal-input SMPS and PFC boost stages without breakdown. |
| IO | 1.0 A - Sustains continuous DC output current in compact secondary-side rectification with minimal derating. |
| VF Max | 1.3 V @ 1A - Limits conduction loss to ≤1.3W per device, reducing thermal load in space-constrained designs. |
| tRR | 500 ns - Enables clean commutation in high-frequency flyback and LLC converters, minimizing ringing and EMI. |
| IR Max | 5 µA @ 1000V, 25°C - Ensures low standby power loss in always-on consumer power supplies and LED drivers. |
| RθJA | 110 °C/W - Allows direct PCB mounting on small copper pads without heatsinks in ambient ≤70°C applications. |
| Package | DO-219AA - 2.8mm × 1.9mm low-profile SMD outline compatible with automated placement and reflow. |
Pinout & Package
DO-219AA is a 2-terminal surface-mount package with cathode band marking. Terminals are matte tin-plated copper lead-frame; polarity is unambiguous via molded cathode band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Input current entry point during forward conduction | Connected to switch node or transformer secondary winding; must handle 30A surge peaks. |
| Cathode | Output current exit point during forward conduction | Connected to output capacitor or inductor; marked by visible band for assembly verification. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated die | Ensures long-term stability of reverse leakage and breakdown voltage under humidity and thermal cycling. |
| Superfast 500ns recovery | Reduces switching loss and EMI generation in >100kHz converters without snubber networks. |
| Low-profile DO-219AA | Enables <1.2mm board height in ultra-thin flat-panel display power modules and USB-C chargers. |
| AEC-Q101 qualified | Validated for automotive cabin electronics requiring extended temperature operation and zero-defect reliability. |
| Halogen- and antimony-free | Meets IEC 61249-2-21 "Green" requirements with Br+Cl <1500ppm and Sb <1000ppm. |
Applications
| Flat Panel Display Power | USB-C PD Charger Secondary Rectification |
|---|---|
Use Scenario: High-efficiency 12–24V DC-DC conversion for LCD backlight drivers and logic rails in thin-bezel TVs and monitors. IC Role / Device Role / Timing Role: Freewheeling diode in synchronous-buck or flyback secondary stage, conducting during low-side switch off-time. Use Value: 500ns tRR prevents cross-conduction loss with synchronous MOSFETs; 1.3V VF maintains >92% efficiency at 1A load. | Use Scenario: Output rectification in 65W GaN-based USB-C PD adapters operating at 200–500kHz. IC Role / Device Role / Timing Role: Fast-recovery rectifier replacing Schottky diodes where 1000V rating is required for transient margin. Use Value: 1000V VRRM provides 2× safety margin over 48V output transients; DO-219AA footprint fits dense multi-layer PCB layouts. |
| LED Driver Freewheeling | PFC Boost Diode |
Use Scenario: Inductor freewheeling path in constant-current buck LED drivers for commercial lighting fixtures. IC Role / Device Role / Timing Role: Provides low-loss current path during MOSFET off-time in fixed-frequency PWM dimming circuits. Use Value: 5µA IR at 1000V ensures negligible standby current in always-on smart lighting; RθJA = 110°C/W allows natural convection cooling. | Use Scenario: Boost diode in active PFC front-end of 100–250W industrial power supplies. IC Role / Device Role / Timing Role: Blocks reverse current while conducting high-peak AC line rectified current into bulk capacitor. Use Value: Glass passivation sustains <20µA IR at 100°C, preventing PFC efficiency drop at elevated ambient temperatures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH1R06 | Same 1A/600V rating but TO-277 package; 650ns tRR; higher VF (1.55V) | Larger footprint; less suitable for ultra-thin displays or USB-C adapters | Prefer FRS1ME when board height <1.2mm or tRR <550ns is critical. |
| ES1D | 1A/200V, SMA package; 35ns tRR; lower VF (0.95V) | Insufficient VRRM for PFC or 48V+ outputs; not AEC-Q101 qualified | Select ES1D only for low-voltage secondary rectification where 1000V rating is unnecessary. |
Compared with STTH1R06 and ES1D, the FRS1ME uniquely balances 1000V capability, 500ns recovery, AEC-Q101 qualification, and sub-1.2mm profile-making it optimal for space-constrained, high-reliability, high-voltage rectification where thermal and EMI constraints are tight.
Availability
FRS1ME is available at Aetrix Electronics and suitable for flat panel display power modules, USB-C PD charger secondary rectification, and LED driver freewheeling requiring stable component supply across automotive, industrial, and consumer production programs.
Supply support for FRS1ME 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 FRS1ME belongs to Diodes' high-voltage fast recovery rectifier product line, engineered specifically for high-efficiency, high-temperature power conversion in consumer, computing, and automotive applications.
FAQ
What is the maximum junction temperature and how does it affect thermal design?
The FRS1ME operates from –55°C to +150°C junction temperature. At TJ = 150°C, its reverse leakage rises to 200µA (per datasheet), and forward voltage drops ~2.5mV/°C. Thermal design must ensure RθJA × PLOSS + TA ≤ 150°C; for 1A/1.2V operation (1.2W), ambient must stay ≤70°C on standard FR-4 with 5×7mm copper pad.
Is the FRS1ME suitable for synchronous rectification replacement?
No-the FRS1ME is a unidirectional PN junction rectifier, not a MOSFET-based synchronous rectifier. It cannot be actively controlled or gate-driven. However, its 500ns tRR and low VF make it a robust passive alternative where synchronous control complexity or cost is prohibitive, especially in 100–300kHz flyback or boost topologies.
How does the DO-219AA package compare to SMA or SMB in thermal performance?
DO-219AA has RθJA = 110°C/W (vs. ~130°C/W for SMA), due to its wider copper lead-frame and optimized thermal pad contact. Its RθJC = 20°C/W is significantly better than SMA's ~35°C/W, enabling more effective heat transfer to internal ground planes-critical in multi-layer boards with thermal vias under the cathode pad.
Does the AEC-Q101 qualification cover the full temperature range?
Yes-AEC-Q101 qualification for FRS1ME includes stress testing across –55°C to +150°C, including temperature cycling, high-temperature reverse bias (HTRB), and accelerated life testing. The qualification applies to the FRS1ME-7 variant and confirms reliability for automotive cabin electronics such as infotainment power supplies and ADAS camera modules.
FRS1ME Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-219AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 1000 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 1.3 V @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 500 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 1000 V
- Capacitance @ Vr, F:
- 5pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-219AA
- Operating Temperature - Junction:
- -55°C ~ 150°C
FRS1ME FAQ
1.How can I place an order for FRS1ME through Aetrix?
Please submit a Request for Quotation (RFQ) for FRS1ME 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 FRS1ME reliable?
The price and inventory of FRS1ME are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FRS1ME is usually 5 days.
3.What payment methods are accepted for FRS1ME?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FRS1ME transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FRS1ME?
FRS1ME orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FRS1ME 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 FRS1ME?
For technical support, including FRS1ME datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FRS1ME requirements.
6.How does Aetrix verify that FRS1ME is sourced from the original manufacturer or authorized distributors?
All FRS1ME 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 FRS1ME meets industry standards.
7.What is the process for return or replacement of FRS1ME?
All FRS1ME units undergo pre-shipment inspection (PSI). If there is an issue with FRS1ME, 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 FRS1ME part is unused and in its original packaging.
Return procedure for FRS1ME:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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