STPS1L40ZFY Overview
The STPS1L40ZFY is a high-performance ultra-fast rectifier diode designed for efficient power conversion in industrial and consumer electronics. Featuring a maximum repetitive peak reverse voltage of 40 V and a forward current rating of 1 A, this device ensures minimal conduction losses and fast switching times. Its compact SOD-123F package offers enhanced thermal performance and easy integration into space-constrained designs. Optimized for low forward voltage drop and high surge current capability, this diode supports reliable operation in power supplies, battery chargers, and voltage clamping circuits. For detailed product information and sourcing options, visit IC Manufacturer.
STPS1L40ZFY Technical Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Maximum Repetitive Peak Reverse Voltage (VRRM) | 40 | V |
| Maximum Average Forward Current (IF(AV)) | 1 | A |
| Surge Non-Repetitive Forward Current (IFSM) | 30 | A |
| Forward Voltage Drop (VF) at 1 A | 0.48 (typical) | V |
| Reverse Recovery Time (trr) | 25 | ns |
| Junction Temperature Range (Tj) | -65 to +150 | ??C |
| Thermal Resistance Junction to Ambient (R??JA) | 75 | ??C/W |
| Package Type | SOD-123F | – |
STPS1L40ZFY Key Features
- Ultra-fast recovery time: Minimizes switching losses and electromagnetic interference, improving power efficiency in high-frequency applications.
- Low forward voltage drop: Reduces conduction power losses, resulting in improved thermal management and energy savings.
- Compact SOD-123F package: Enables easy PCB layout integration with enhanced heat dissipation capabilities, suitable for space-constrained designs.
- High surge current capability: Provides robustness against transient current spikes, ensuring reliable operation under rugged conditions.
Typical Applications
- Switch-mode power supplies (SMPS) where fast switching diodes improve overall efficiency and reduce heat dissipation.
- Battery charging circuits requiring low forward voltage and rapid recovery to maintain charge efficiency and device longevity.
- Freewheeling diodes in DC-DC converters, providing protection and efficient current flow during switching events.
- Voltage clamping and polarity protection in electronic control units to safeguard sensitive components from transient voltages.
STPS1L40ZFY Advantages vs Typical Alternatives
This diode stands out due to its ultra-fast recovery time and low forward voltage drop, which significantly reduce switching and conduction losses compared to standard rectifiers. Its high surge current rating and robust thermal characteristics enhance reliability in demanding industrial environments. The compact SOD-123F package further optimizes board space without compromising performance, making it an ideal choice over bulkier or slower alternatives.
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STPS1L40ZFY Brand Info
The STPS1L40ZFY is manufactured by STMicroelectronics, a global leader in semiconductor technology. STMicroelectronics specializes in power management devices and discrete components designed to deliver efficiency and reliability in industrial and consumer electronics. This diode is part of the company??s extensive portfolio of fast recovery rectifiers, known for combining cutting-edge silicon technology with compact packaging to meet the rigorous demands of modern power applications.
FAQ
What is the maximum forward current rating of this diode?
The maximum average forward current is 1 ampere, which defines the continuous current the diode can safely handle without degradation under specified thermal conditions.
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How fast is the recovery time and why is it important?
The reverse recovery time is typically 25 nanoseconds. A fast recovery time is crucial in switching applications to minimize energy loss and






