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Product Detailed Parameters
- Description：DIODE CUR REG 100V 3.3MA 500MW
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Anode - Cathode (Vak)(Max)：100V
- Regulator Current (Max)：3.3mA
- Voltage - Limiting (Max)：2.25V
- 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：Military
- Qualification：MIL-PRF-19500/463
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Overview
The JANTXV1N5309-1 is a current regulator diode manufactured by Microchip Technology. It provides a constant current of 3.3 mA with a maximum voltage rating of 100 V and a power dissipation of 500 mW. The device utilizes a DO-7 (DO-204AA) axial through-hole package. It operates within a junction temperature range of -65°C to +175°C. This component is designed for applications requiring stable current regulation in harsh environments.
Feature Summary
- Provides stable constant current output
- High voltage tolerance up to 100 V
- Extended temperature operation capability
Applications
- Current limiting circuits
- Biasing networks for transistors
- Constant current sources for LEDs or sensors
Procurement Notes
Verify the specific suffix '-1' indicates the correct packaging and qualification level as defined by the manufacturer's datasheet. Confirm that the DO-7 package style matches the target PCB layout requirements. Ensure compliance with MIL-PRF-19500 standards if military-grade reliability is required for the application.
Selection Notes
Select this component when a fixed 3.3 mA current source is needed within a 100 V compliance window. Consider the 500 mW power dissipation limit to ensure adequate thermal management. Verify that the axial leaded package fits the assembly constraints compared to surface-mount alternatives like the UR variant.
Part Context
This part belongs to the 1N5309 series of current regulator diodes from Microchip. It shares functional characteristics with other members of the family but differs in specific current ratings and package options. The JANTXV designation typically denotes a specific quality and screening level within the manufacturer's portfolio.
Replacement Considerations
Check for direct equivalents such as the JANTX1N5309-1 or JANTXV1N5308-1/TR, noting differences in current rating (3.3 mA vs 2.97 mA). Surface-mount replacements include the JANTX1N5309UR-1 in a DO-213AB-2 package. Verify pinout compatibility and electrical parameter tolerances before substitution.
