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1N458ATR
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Product Detailed Parameters
- Description：DIODE STANDARD 150V 500MA DO35
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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 1N458ATR is a small signal switching diode designed for high conductance and low leakage applications. It features a single configuration housed in a DO-35 through-hole package. Key electrical parameters include a peak reverse voltage of 150 V, a forward current rating of 500 mA, and a maximum surge current of 4 A. The device exhibits a forward voltage of 1 V and a reverse current of 25 uA. It operates within a temperature range from -65 C to +175 C.
Feature Summary
- High conductance performance with low leakage characteristics
- Suitable for general-purpose rectification and switching tasks
- Robust thermal stability across extended operating temperatures
Applications
- General purpose rectification circuits
- Signal switching applications
- Protection against reverse polarity
Procurement Notes
Verify the specific datasheet revision and RoHS compliance status directly with onsemi before integration. Confirm that the DO-35 axial leaded package aligns with your PCB footprint requirements. Ensure the 150 V reverse voltage rating meets the circuit's peak inverse voltage demands. Check for any recent process change notifications regarding manufacturing locations or material composition updates.
Selection Notes
Select this component when a standard silicon switching diode with moderate voltage blocking capability is required. The 500 mA forward current rating supports basic power handling needs. Consider the DO-35 package size for space-constrained through-hole designs. Evaluate the 25 uA reverse leakage against strict low-power standby requirements.
Part Context
This part belongs to the 1N458A series of small signal switching diodes manufactured by onsemi. It shares the base die and electrical characteristics with other variants in the family, distinguished primarily by packaging and suffix designations. The 1N458A designation indicates a specific reverse voltage rating within the broader series lineup.
Replacement Considerations
Direct substitutes include parts sharing the 1N458A JEDEC registration number. Verify pinout compatibility and package dimensions for equivalent DO-35 devices. Cross-reference specifications for forward voltage and reverse leakage to ensure functional parity.
