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Product Detailed Parameters
- Description：DIODE CUR REG 100V 1.21MA 500MW
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Anode - Cathode (Vak)(Max)：100V
- Regulator Current (Max)：1.21mA
- Voltage - Limiting (Max)：1.4V
- Power - Max：500mW
- Applications：-
- Operating Temperature：-65°C ~ 175°C (TJ)
- Mounting Type：Through Hole
- Package / Case：DO-204AA, DO-7, Axial
- Supplier Device Package：DO-7
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N5298/TR is a current regulator diode designed for through-hole mounting in the DO-7 (DO-204AA) axial package. It provides a regulated current of 1.21 mA with a maximum voltage rating of 100 V and a power dissipation capacity of 500 mW. The device operates within a junction temperature range of -65°C to +175°C and features a maximum limit voltage of 1.4 V. Supplied in tape and reel packaging, this component serves as a stable constant-current source for electronic circuits requiring precise current control.
Feature Summary
- Maintains a constant current output regardless of input voltage variations within specified limits
- Operates reliably across an extended industrial temperature range up to 175°C junction temperature
- Provides high impedance characteristics suitable for biasing and protection applications
Applications
- Biasing transistors and integrated circuits in analog signal processing paths
- Providing constant current sources for LED driving and indicator circuits
- Protecting sensitive components by limiting current flow in series configurations
Procurement Notes
Verify the specific suffix designation against official Microchip documentation to confirm the tape and reel packaging format. Ensure that the procurement channel sources genuine components from authorized distributors to guarantee compliance with the manufacturer's quality standards and traceability requirements.
Selection Notes
Select this component when a fixed current of 1.21 mA is required for through-hole designs. Confirm that the circuit voltage does not exceed the 100 V maximum rating and that the thermal environment supports the specified operating temperature range. Verify compatibility with the DO-7 package dimensions during PCB layout.
Part Context
This part belongs to the 1N5298 family of current regulator diodes manufactured by Microchip Technology. The base model 1N5298 defines the electrical specifications, while the /TR suffix indicates the specific tape and reel packaging variant intended for automated assembly processes.
Replacement Considerations
Direct substitutes include other 1N5298 variants such as 1N5298-1 or 1N5298RL/TR, provided the packaging and qualification levels match the design requirements. Cross-reference datasheets to ensure identical current regulation and voltage ratings.
