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1N4500/TR
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Product Detailed Parameters
- Description：DIODE STANDARD DO204AH
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：-
- Current - Average Rectified (Io)：-
- Voltage - Forward (Vf) (Max) @ If：1.1 V @ 300 mA
- Speed：Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr)：6 ns
- Current - Reverse Leakage @ Vr：-
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：DO-204AH, DO-35, Axial
- Supplier Device Package：DO-204AH (DO-35)
- Operating Temperature - Junction：-65°C ~ 175°C
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Overview
The Microchip Technology 1N4500/TR is a hermetically sealed, metallurgically bonded switching diode qualified per MIL-PRF-19500/403. It features double plug construction within a DO-35 glass package. The device supports an operating temperature range of -65°C to +175°C and withstands surge currents up to 4A for 1µS pulses. Key electrical parameters include a maximum reverse leakage current of 100nA at 75V DC, a breakdown voltage of 75V, and a forward voltage drop ranging from 0.47V to 0.60V at test currents between 250mA and 1mA.
Feature Summary
- Hermetically sealed glass package with metallurgical bonding
- Double plug construction for high reliability
- Qualified to military standards MIL-PRF-19500/403
Applications
- High-reliability aerospace systems
- Military electronic circuits
- Harsh environment signal processing
Procurement Notes
Verify the JAN qualification level and specific ordering suffixes against the manufacturer's official datasheet LDS-0154. Confirm that the TR suffix corresponds to reel packaging requirements. Ensure compliance with lead material specifications (copper clad steel) and finish (tin/lead) for your assembly process. Cross-reference the DO-35 outline dimensions for mechanical fit.
Selection Notes
Select this component when military-grade reliability and hermetic sealing are mandatory. The DO-35 axial leaded package suits through-hole mounting. Evaluate the 75V reverse voltage rating against circuit peak inverse voltage requirements. Consider the 175°C junction temperature capability for thermal management in enclosed or high-heat applications.
Part Context
This part belongs to the 1N4500 series of switching diodes manufactured by Microchip Technology. It is designed for general-purpose and computer diode applications requiring robust performance. The device utilizes a DO-35 case outline and is distinguished by its voidless glass construction and internal metallurgical bond.
Replacement Considerations
1N4500
FAQ
What is the maximum surge current rating?
The device can withstand a sine wave surge current of 0.5A for 1 second and 4A for 1 microsecond.
How is polarity identified on the package?
The cathode end is marked with a band on the hermetically sealed glass body.
