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Product Detailed Parameters
- Description：DIODE CUR REG 100V 1.43MA 500MW
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Anode - Cathode (Vak)(Max)：100V
- Regulator Current (Max)：1.43mA
- Voltage - Limiting (Max)：1.5V
- 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：-
- Qualification：-
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Overview
The Microchip Technology 1N5300UR-1 is a current regulator diode housed in a DO-213AB (MELF) surface-mount package. It provides a nominal regulating current of 1.3 mA with a tolerance range of 1.17 mA to 1.43 mA at a voltage of 25 V. The device features a maximum peak operating voltage of 100 V and a steady-state power dissipation of 500 mW. It operates within a junction temperature range of -65 °C to +150 °C, utilizing a hermetically sealed glass case with internal metallurgical bonding.
Feature Summary
- High source impedance for stable current regulation
- Internal metallurgical bond construction
- Double-plug connection design
- Inherently radiation hard
Applications
- Current limiting circuits
- Biasing networks for active components
- Constant current sources over broad voltage ranges
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm compliance requirements such as RoHS status or military qualification levels. Ensure that the procurement channel sources directly from authorized distributors to guarantee authenticity and traceability for this semiconductor component.
Selection Notes
Select the 1N5300UR-1 when a precise 1.3 mA constant current is required in a surface-mount configuration. Confirm that the application voltage remains below the 100 V peak limit and that the thermal environment supports the specified 500 mW power dissipation without exceeding the maximum junction temperature rating.
Part Context
This component belongs to the 1N5283UR-1 through 1N5314UR-1 series of 0.5 watt current regulators. These devices serve as surface-mount equivalents to axial-leaded counterparts, offering a wide selection of currents from 0.22 mA to 10.0 mA in standard 10% tolerances for diverse electronic designs.
Replacement Considerations
Direct functional replacements include other members of the 1N5283UR-1 to 1N5314UR-1 series with matching current ratings. Verify package compatibility and electrical parameters before substituting.
