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Diodes Incorporated FUS1DE
- Part No.:
- FUS1DE
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-219AA
- Datasheet:
-
FUS1DE.pdf
- Description:
- DIODE GEN PURP 200V 1A F1A T&R
- Quantity:
- Payment:
- Shipping:
Inventory:8,963
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Product details
Overview
FUS1DE from Diodes Incorporated is a surface-mount fast recovery rectifier diode rated for 200 V repetitive peak reverse voltage and 1.0 A average forward current at Tc = 90°C, featuring 50 ns reverse recovery time, 1.0 V max forward voltage at 1.0 A, and qualified to AEC-Q101 Rev. C for automotive use.
For engineers reviewing the FUS1DE datasheet, FUS1DE pinout, FUS1DE application, or FUS1DE equivalent, key selection criteria include its DO-219AA (F1A) package compatibility, low leakage (<5 µA @ 200 V, 25°C), thermal resistance (RthJC = 60°C/W), and suitability for high-frequency switching power supplies and automotive body electronics.
Technical Context
This device operates as a unidirectional power rectifier with fast recovery characteristics optimized for high-efficiency AC/DC and DC/DC conversion stages. Its glass-passivated silicon die ensures stable performance across -55°C to +150°C junction temperature range and supports surge currents up to 30 A (8.3 ms half-sine).
The DO-219AA package enables compact PCB layout with low thermal resistance to lead (RthJL = 45°C/W) and efficient heat dissipation in thermally constrained environments such as LED drivers and automotive control modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 200 V - Maximum repetitive reverse blocking capability without breakdown |
| I(AV) | 1.0 A @ Tc=90°C - Continuous DC output current rating under defined heatsinking |
| TRR | 50 ns - Enables operation in 100+ kHz switching topologies with minimal switching loss |
| VF | ≤1.0 V @ IF=1.0 A, 25°C - Limits conduction loss and self-heating in high-current paths |
| IR | ≤5 µA @ VR=200 V, 25°C - Ensures low standby power loss in offline power supplies |
| RthJC | 60 °C/W - Allows direct thermal path from junction to case for effective heatsinking |
| TJ Range | -55°C to +150°C - Supports under-hood automotive deployment without derating |
Pinout & Package
Package: DO-219AA (JEDEC standard), molded "Green" compound (UL 94V-0), matte tin-plated terminals, marking code U1D, weight ≈16.5 mg.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (A) | Forward current entry point | Connected to input side of rectification stage; requires low-inductance trace routing |
| Cathode (K) | Forward current exit / reverse voltage reference | Connected to output rail or ground return; polarity critical for ESD protection layout |
Key Features
| Feature | Design Value |
|---|---|
| Fast recovery time | 50 ns - Reduces switching losses in SMPS operating above 50 kHz |
| Glass passivation | Enhanced surface stability - Improves long-term reliability in humid or contaminated environments |
| AEC-Q101 qualification | Automotive-grade stress testing - Validated for engine control, lighting, and infotainment systems |
| Halogen- and antimony-free | <900 ppm Br/Cl, <1000 ppm Sb - Meets global environmental compliance for Tier-1 automotive supply chains |
| Low VF and IR | ≤1.0 V / ≤5 µA - Minimizes conduction loss and leakage-related inefficiency in battery-powered systems |
Applications
| Automotive LED Headlamp Driver | Industrial AC-DC Adapter |
|---|---|
Use Scenario: High-reliability rectification in constant-current LED driver stage for adaptive front lighting systems. IC Role / Device Role / Timing Role: Fast-recovery power rectifier in secondary-side synchronous rectification or flyback output stage. Use Value: 50 ns TRR and AEC-Q101 qualification ensure stable operation under thermal cycling and vibration while maintaining efficiency >88%. | Use Scenario: Output rectification in universal-input 12 V/2 A wall adapter for industrial HMIs and PLC I/O modules. IC Role / Device Role / Timing Role: Primary output rectifier handling 1.0 A continuous load with transient surges up to 30 A. Use Value: Low RthJC (60°C/W) and 150°C max TJ enable full-rated output without forced air cooling in sealed enclosures. |
| USB-C PD Power Delivery Module | Smart Home Gateway Power Supply |
Use Scenario: Secondary-side rectification in 20–45 W USB-C PD buck-boost converter designs. IC Role / Device Role / Timing Role: Fast-recovery diode in active-clamp or resonant topology output stage. Use Value: 1.0 V VF and 50 ns TRR reduce conduction and switching losses, enabling compact transformer design and <15 mW no-load consumption. | Use Scenario: Input bridge or output rectifier in dual-rail (3.3 V + 5 V) power supply for Wi-Fi 6/Bluetooth LE gateways. IC Role / Device Role / Timing Role: Surface-mount discrete rectifier supporting high-density, automated assembly on 4-layer PCBs. Use Value: DO-219AA footprint (3.8 × 1.9 mm) saves >35% board area vs. SMA packages while maintaining thermal performance. |
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 MUR120 | Same VRRM (200 V), higher IFSM (50 A), but TO-277A package (larger footprint, higher RthJA) | Preferred where surge robustness outweighs board space constraints | Select when system-level surge testing exceeds 30 A or thermal interface to PCB is limited |
| Vishay VS-1EWH02-M3 | Identical DO-219AA package, same TRR (50 ns), but VF = 1.1 V (max) and IR = 10 µA @ 100°C | Better suited for cost-sensitive consumer power supplies with relaxed leakage requirements | Choose for non-automotive applications where AEC-Q101 is not mandated and 10 µA IR is acceptable |
Compared with MUR120 and VS-1EWH02-M3, FUS1DE offers the tightest combination of automotive qualification, low leakage (5 µA), and minimal footprint-making it optimal for space-constrained, thermally demanding, and safety-critical automotive power stages.
Availability
FUS1DE is available at Aetrix Electronics and suitable for automotive LED drivers, industrial AC-DC adapters, and USB-C PD power delivery modules requiring stable component supply, long-lifecycle support, and AEC-Q101-compliant sourcing.
Supply support for FUS1DE 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-performance, high-reliability components for automotive, industrial, and computing markets.
FUS1DE belongs to Diodes' AEC-Q101-qualified fast recovery rectifier product line, engineered specifically for high-frequency, high-efficiency power conversion in harsh-environment automotive and industrial applications.
FAQ
What is the maximum allowable case temperature for continuous operation?
The FUS1DE is rated for 1.0 A average forward current at Tc = 90°C. Exceeding this temperature requires derating per Figure 1 in the datasheet; at 125°C case temperature, the usable current drops to approximately 0.65 A to maintain reliability and avoid thermal runaway.
Is FUS1DE suitable for synchronous rectification circuits?
No-FUS1DE is a passive silicon rectifier diode, not a MOSFET-based synchronous rectifier. It lacks gate control and cannot be actively switched. It serves only as a freewheeling or output rectifier in non-synchronous topologies like standard flyback or boost converters.
Does the DO-219AA package support reflow soldering per J-STD-020?
Yes-the DO-219AA package is compatible with standard lead-free reflow profiles (peak temperature ≤260°C, 20–40 sec above 217°C). The matte tin finish and UL 94V-0 molding compound meet IPC/JEDEC J-STD-020D.3 requirements for moisture sensitivity level 1 (MSL-1).
How does the 50 ns TRR impact EMI in high-frequency designs?
A 50 ns TRR minimizes reverse recovery ringing and associated high-frequency harmonics, reducing conducted EMI in the 30–100 MHz band. This allows simpler EMI filter design in compact power supplies, especially when paired with snubberless layouts and proper PCB grounding near the diode's anode/cathode nodes.
FUS1DE 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):
- 200 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 50 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 200 V
- Capacitance @ Vr, F:
- 20pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- F1A (DO219AA)
- Operating Temperature - Junction:
- -55°C ~ 150°C
FUS1DE FAQ
1.How can I place an order for FUS1DE through Aetrix?
Please submit a Request for Quotation (RFQ) for FUS1DE 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 FUS1DE reliable?
The price and inventory of FUS1DE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FUS1DE is usually 5 days.
3.What payment methods are accepted for FUS1DE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FUS1DE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FUS1DE?
FUS1DE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FUS1DE 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 FUS1DE?
For technical support, including FUS1DE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FUS1DE requirements.
6.How does Aetrix verify that FUS1DE is sourced from the original manufacturer or authorized distributors?
All FUS1DE 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 FUS1DE meets industry standards.
7.What is the process for return or replacement of FUS1DE?
All FUS1DE units undergo pre-shipment inspection (PSI). If there is an issue with FUS1DE, 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 FUS1DE part is unused and in its original packaging.
Return procedure for FUS1DE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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