B140-E3/5AT

B140 Series 40 V 1 A Surface Mount Schottky Barrier Rectifier – DO-214AC

**B140-E3/5AT – 40V 1A Surface Mount Schottky Barrier Rectifier – Vishay**

Optimize power management with the Vishay B140-E3/5AT Schottky barrier rectifier, engineered for high-efficiency switching in compact designs. This surface-mount diode delivers ultra-low forward voltage drop and fast recovery times, minimizing energy loss and heat generation. PCX ensures genuine Vishay components with same-day shipping and dedicated technical support.

**Key Features:**
– **Voltage Rating:** 40V DC reverse voltage (V_r max)
– **Current Capacity:** 1A average rectified current (I_o)
– **Low Forward Drop:** 520mV max @ 1A (V_f)
– **Fast Recovery:** ≤500ns switching speed
– **Leakage Current:** 200µA max @ 40V
– **Robust Packaging:** DO-214AC (SMA) surface-mount case
– **Wide Temperature Range:** -65°C to +125°C junction operation

**Technical Details**
This single-diode rectifier utilizes advanced Schottky barrier technology for superior thermal performance. The SMA-compatible DO-214AC package enables automated assembly while withstanding industrial environments. Its optimized forward voltage characteristics ensure high efficiency in voltage clamping and reverse polarity protection circuits. The device is RoHS-compliant and ideal for high-frequency applications.

**Applications**
– Switch-mode power supplies (SMPS)
– DC-DC converters
– Reverse current/voltage protection
– Freewheeling diodes in motor drives
– Battery charging circuits

**About the Manufacturer**
Vishay General Semiconductor, a division of Vishay Intertechnology, is a global leader in power semiconductor innovation. With over 60 years of industry expertise, Vishay sets benchmarks in diode and rectifier technology through rigorous quality control and continuous R&D investment. Their components are trusted in automotive, industrial, and consumer electronics for unmatched reliability under extreme conditions.

Vishay maintains ISO-certified manufacturing facilities, ensuring consistent performance across production batches. Their commitment to vertical integration—from silicon wafer processing to final testing—guarantees traceability and mitigates supply chain risks. This dedication positions Vishay as a preferred partner for mission-critical power solutions.

**About Schottky Barrier Rectifiers**
Schottky barrier rectifiers leverage metal-semiconductor junctions to achieve significantly faster switching speeds and lower forward voltage drops than conventional PN-junction diodes. This makes them indispensable in modern power electronics where efficiency and thermal management are critical. Unlike standard diodes, Schottky rectifiers exhibit minimal reverse recovery charge, reducing switching losses in high-frequency circuits.

These rectifiers excel in applications requiring rapid switching, such as voltage clamping, OR-ing controllers, and buck/boost converters. Their inherent low-noise operation also minimizes electromagnetic interference (EMI). When selecting Schottky diodes, key considerations include reverse leakage tolerance, thermal derating requirements, and surge current capability—all optimized in the B140 series.

**Packaging Options**
Available in Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® formats for automated assembly compatibility. Specify your preferred packaging at checkout.

**Frequently Asked Questions (FAQs)**
**Q: What is the reverse recovery time of this diode?**
A: Typical reverse recovery is ≤500ns, enabling efficient high-frequency operation.

**Q: Can this rectifier handle automotive applications?**
A: Yes, its -65°C to +125°C operating range suits automotive systems when designed within thermal limits.

**Q: How does low V_f improve circuit performance?**
A: 520mV max forward voltage reduces power dissipation by up to 30% compared to standard diodes, extending battery life.

**Q: Is this device RoHS compliant?**
A: Absolutely—it meets all current RoHS 3 directives.

**Q: What PCB footprint does the DO-214AC package require?**
A: It uses the standard SMA footprint (JEDEC MO-202AA). Refer to the datasheet for land pattern details.

**Q: Why choose Schottky diodes over standard rectifiers?**
A: Schottky diodes offer faster switching, lower voltage drop, and reduced switching noise—critical for modern power designs.

**Order Today for Fast Delivery!**
Get genuine Vishay B140-E3/5AT rectifiers shipped same-day from PCX’s certified warehouse. Our technical specialists are ready to assist with design integration—contact us for volume pricing.

*Disclaimer: Product image is representational. Refer to the datasheet for exact specifications. [Datasheet available on PCXCo.com product page]*