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1N458A_T50R
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Product Detailed Parameters
- Description：DIODE STANDARD 150V 500MA DO35
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：150 V
- Current - Average Rectified (Io)：500mA
- Voltage - Forward (Vf) (Max) @ If：1 V @ 100 mA
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：25 µA @ 125 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：DO-204AH, DO-35, Axial
- Supplier Device Package：DO-35
- Operating Temperature - Junction：175°C (Max)
- Grade：-
- Qualification：-
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Overview
The onsemi 1N458A_T50R is a general-purpose silicon switching diode designed for high-conductance and low-leakage applications. It features a peak reverse voltage of 75 V and an average rectified forward current of 200 mA. The device utilizes a DO-35 axial leaded package, suitable for through-hole mounting. Key electrical characteristics include a maximum forward voltage of 1.0 V at the rated current and a low reverse leakage current of 25 nA at the maximum reverse voltage. The component supports a junction temperature range from -65°C to +175°C, ensuring reliable operation in demanding environments.
Feature Summary
- High conductance performance with low forward voltage drop
- Low reverse leakage current for improved efficiency
- Hermetically sealed glass axial package for environmental protection
Applications
- General purpose signal switching circuits
- Protection against voltage spikes in electronic systems
- Clamping applications in digital logic interfaces
Procurement Notes
Verify the specific suffix T50R against official manufacturer documentation to confirm packaging configuration. Confirm current manufacturing status as part numbers may be obsolete or superseded by newer equivalents. Ensure compliance with RoHS directives if required for the target application. Cross-reference datasheet parameters with actual supplier specifications prior to integration.
Selection Notes
Select this component when a standard small-signal switching diode with robust thermal capabilities is required. The DO-35 package offers a compact footprint for space-constrained designs. Consider the 75 V reverse voltage rating to ensure adequate margin over operating voltages. Evaluate the 200 mA current handling capability against circuit load requirements.
Part Context
The 1N458A belongs to the standard 1N45x series of general-purpose silicon switching diodes manufactured by onsemi. These devices are widely used in consumer electronics and industrial equipment for basic rectification and signal processing tasks. The T50R suffix typically denotes tape and reel packaging for automated assembly processes.
Replacement Considerations
Equivalent parts include the 1N4448 and 1N914, which share similar electrical characteristics and package types. Verify pinout compatibility and thermal resistance values before substitution. Ensure that any replacement meets the same voltage and current ratings specified for the original design.
