S1D-E3/61T Diode: Features, Specifications, and Applications | General Semiconductor
S1D-E3/61T Diode: The Ultimate Guide to Specifications and Applications
The S1D-E3/61T from General Semiconductor - Diodes Division represents the gold standard in general-purpose rectifier diodes. This comprehensive guide explores every aspect of this versatile component, helping engineers make informed decisions for their electronic designs.
In-Depth Technical Specifications
Electrical Characteristics
With a 200V reverse voltage rating and 1A average rectified current, the S1D-E3/61T delivers exceptional performance. The forward voltage drop of just 1.1V @ 1A ensures minimal power loss, while the ultra-low 1 A reverse leakage current maximizes efficiency.
Switching Performance
The diode features a standard recovery time >500ns with a reverse recovery time (trr) of 1.8 s. These characteristics make it particularly suitable for:
- 50/60Hz power supply rectification
- DC-DC converter circuits
- Battery charging systems
Package and Thermal Properties
The DO-214AC (SMA) surface-mount package offers excellent thermal performance with:
- Compact footprint (4.3mm 2.6mm)
- Superior heat dissipation
- Mechanical robustness for automated assembly
Detailed Applications Analysis
Power Supply Designs
The S1D-E3/61T excels in:
- Bridge rectifier configurations for AC-DC conversion
- Output rectification in flyback converters
- Freewheeling diode applications in buck/boost converters
Industrial Applications
Its -55 C to +150 C operating range makes it ideal for:
- Motor drive circuits
- PLC I/O protection
- Industrial power distribution systems
Automotive Electronics
The diode's rugged construction suits:
- Alternator rectification
- Load dump protection
- ECU power conditioning
Comparative Advantages
Versus Standard 1N400x Series
| Parameter | S1D-E3/61T | 1N4007 |
|---|---|---|
| Package | SMA (Surface Mount) | DO-41 (Through-hole) |
| Reverse Recovery Time | 1.8 s | 30 s |
| Forward Voltage | 1.1V @ 1A | 1.1V @ 1A |
Design Considerations
When implementing the S1D-E3/61T:
- Ensure proper PCB pad sizing for thermal management
- Consider parallel connections for higher current applications
- Implement appropriate snubber circuits for inductive loads
Purchasing and Availability
The S1D-E3/61T is available through authorized distributors with:
- Standard tape and reel packaging (3,000 units per reel)
- MOQ options for prototyping
- Bulk pricing for production quantities
Frequently Asked Questions
Q: Can the S1D-E3/61T handle surge currents?
A: Yes, it can withstand 30A non-repetitive surge current for one half-cycle at 60Hz.
Q: Is this diode RoHS compliant?
A: Absolutely, the S1D-E3/61T meets all RoHS 2.0 requirements.
Q: What's the typical lifespan of this component?
A: When operated within specifications, expect 100,000+ hours of reliable service.
Conclusion
The S1D-E3/61T diode offers an exceptional balance of performance, reliability, and cost-effectiveness for modern electronic designs. Its combination of electrical characteristics, thermal performance, and compact packaging makes it the ideal choice for engineers working on power conversion, industrial controls, and automotive systems. For more technical details or to request samples, contact our technical support team today.