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1N456ATR
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Product Detailed Parameters
- Description：DIODE STANDARD 30V 500MA DO204AH
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：30 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 nA @ 25 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：DO-204AH, DO-35, Axial
- Supplier Device Package：DO-204AH (DO-35)
- Operating Temperature - Junction：175°C (Max)
- Grade：-
- Qualification：-
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Overview
The Fairchild Semiconductor 1N456ATR is a small signal switching diode manufactured in the DO-35 through-hole package. It features a peak reverse voltage of 30 V and a maximum continuous forward current of 500 mA. The device exhibits a low leakage current of 25 nA and a forward voltage drop of 1 V. It operates within a temperature range of -65°C to +175°C and supports a surge current of 4 A.
Feature Summary
- High conductance with low leakage characteristics for efficient signal switching
- Robust thermal performance supporting operation up to 175°C
- Glass axial-leaded construction for reliable through-hole mounting
Applications
- General purpose signal rectification
- Clamping circuits in electronic systems
- Protection against voltage spikes in sensitive components
Procurement Notes
Verify the manufacturer designation, as onsemi acquired Fairchild Semiconductor's discrete product line. Confirm that the specific part number corresponds to the original Fairchild specifications if legacy compliance is required. Ensure the DO-35 package and RoHS status match the design requirements. Cross-reference datasheets from both entities to confirm parameter consistency for critical applications.
Selection Notes
Select this component when a standard silicon switching diode with 30 V reverse voltage capability is needed. The DO-35 package suits designs requiring through-hole assembly. Consider the 500 mA forward current rating for load requirements. The wide operating temperature range makes it suitable for industrial environments where thermal stability is essential for circuit reliability.
Part Context
This component belongs to the 1N456 series of small signal switching diodes. These devices are widely used in general-purpose electronics for rectification and signal processing. The series offers a balance of speed and current handling, making it a standard choice for various consumer and industrial applications requiring reliable diode switching.
Replacement Considerations
Equivalent parts include the ON Semiconductor 1N456ATR and generic 1N456 variants. Verify pinout compatibility and electrical parameters such as reverse voltage and forward current before substitution.
