ES1BL Taiwan Semiconductor Diode (Other) In Stock
Taiwan Semiconductor ES1BL is a silicon rectifier diode in an SMA (DO-214AC) 2-pin package with 0.95 V maximum forward voltage and low power loss. It suits efficiency-focused free-wheeling and rectification applications.
- Manufacturer
- Taiwan Semiconductor
- Package
- Other
- Pin Count
- 2
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- ES1BL Datasheet PDF
- Category
- Diode
- Temp Range
- -55.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Maximum forward voltage of 0.95 V with low power loss design, improving rectification efficiency in switching power supply circuits
- Free-wheeling diode capability reduces inductive kickback and protects switching transistors in motor drive and DC-DC converter stages
- SMA (DO-214AC) 2-pin surface mount package enables compact PCB integration for high-frequency rectifier and snubber circuit designs
Applications
ES1BL is used in switching power supplies, DC-DC converters, and motor drive circuits as an efficiency-optimized rectifier and free-wheeling diode. Its low 0.95 V maximum forward voltage and SMA package suit space-constrained PCB designs in industrial automation, LED drivers, and automotive auxiliary power modules requiring low-loss silicon rectification.
Specifications
| Factory Lead Time | 8Weeks |
| YTEOL | 3 |
| Additional Feature | FREE WHEELING DIODE, LOW POWER LOSS |
| Application | EFFICIENCY |
| Configuration | SINGLE |
| Diode Element Material | SILICON |
| Diode Type | RECTIFIER DIODE |
| Forward Voltage-Max (VF) | 0.95V |
| JESD-30 Code | R-PDSO-F2 |
| JESD-609 Code | e3 |
| Non-rep Pk Forward Current-Max | 30A |
| Number of Elements | 1 |
| Number of Phases | 1 |
| Output Current-Max | 1A |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Rep Pk Reverse Voltage-Max | 100V |
| Reverse Current-Max | 5 µA |
| Reverse Recovery Time-Max | 0.035 µs |
| Surface Mount | YES |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | FLAT |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8541.10.00.80 |
| Country of Origin | Mainland China |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum forward voltage of ES1BL and why does it matter for efficiency?
ES1BL has a maximum forward voltage of 0.95 V. In rectifier and free-wheeling diode applications, lower forward voltage directly reduces conduction power loss — at 1 A forward current the diode dissipates less than 0.95 W, improving overall converter efficiency compared to standard rectifiers with 1.1 V or higher VF in switching power supply designs.
How does ES1BL function as a free-wheeling diode in motor drive or inductor circuits?
When used as a free-wheeling diode, ES1BL provides a low-impedance recirculation path for inductive flyback current when the switching transistor turns off. Its silicon rectifier structure handles peak currents generated by motor windings or boost inductors, clamping voltage spikes and protecting MOSFETs in DC-DC converters and brushed motor drivers operating at typical bus voltages of 12 V to 48 V.
Why is the SMA package of ES1BL suitable for high-volume automated PCB assembly?
The SMA (DO-214AC) package of ES1BL is a 2-pin surface mount format with standardized pad geometry, making it directly compatible with automated pick-and-place machines and standard reflow soldering at peak temperatures up to 260°C. Its small footprint of approximately 2.7 mm x 5.2 mm enables high-density PCB layouts in power supply and rectifier stages while allowing throughput rates typical of SMT production lines.
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