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Product Detailed Parameters
- Description：DIODE CUR REG 100V 4.29MA 500MW
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Anode - Cathode (Vak)(Max)：100V
- Regulator Current (Max)：4.29mA
- Voltage - Limiting (Max)：2.6V
- Power - Max：500mW
- Applications：-
- Operating Temperature：-65°C ~ 175°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：DO-213AB, MELF (Glass)
- Supplier Device Package：DO-213AB (MELF, LL41)
- Grade：Military
- Qualification：MIL-PRF-19500/463
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Overview
The JANTXV1N5312UR-1 is a current regulator diode manufactured by Microchip Technology, designed for surface-mount applications in the DO-213AB (MELF) glass package. It provides a regulated current of 4.29 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 meets MIL-PRF-19500/463 military qualification standards.
Feature Summary
- Military-grade reliability compliant with MIL-PRF-19500/463 specifications
- Surface-mount MELF glass package construction
- Constant current regulation over a broad voltage range
Applications
- Current limiting in high-reliability electronic circuits
- Biasing elements for transistor stages
- Protection against current surges in sensitive components
Procurement Notes
Verify the specific suffix UR-1 indicates the round-end MELF package variant. Confirm that the JANTXV designation requires adherence to strict military quality assurance protocols during integration. Ensure compatibility with automated surface-mount assembly processes given the small form factor.
Selection Notes
Select this component when a stable 4.29 mA reference is required in space-constrained military or aerospace designs. Compare against axial-leaded equivalents if through-hole mounting is mandatory. Verify thermal management requirements align with the 500 mW dissipation limit under worst-case operating conditions.
Part Context
This part belongs to the 1N53xx series of current regulator diodes, which offer constant current characteristics similar to how Zener diodes regulate voltage. The series spans various current levels from 0.22 mA to 4.7 mA, providing designers with standardized options for current control applications across different power and voltage constraints.
Replacement Considerations
Direct substitutes include other JANTXV1N5312 variants from qualified manufacturers. Commercial equivalents like the 1N5312 may lack military qualification. Verify pinout and electrical tolerances match before substitution.
