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Product Detailed Parameters
- Description：TRANS PNP 100V 5A TO-59
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Transistor Type：PNP
- Current - Collector (Ic) (Max)：5:00 AM
- Voltage - Collector Emitter Breakdown (Max)：100 V
- Vce Saturation (Max) @ Ib, Ic：1.5V @ 1mA, 5mA
- Current - Collector Cutoff (Max)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：-
- Power - Max：50 W
- Frequency - Transition：-
- Operating Temperature：-65°C ~ 200°C (TJ)
- Mounting Type：Stud Mount
- Package / Case：TO-210AA, TO-59-4, Stud
- Supplier Device Package：TO-59
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 2N5287 is a current regulator diode belonging to the 1N5283-1 through 1N5314-1 series. It provides a regulated current of 0.47 mA with standard 10% tolerance. The device operates over a broad voltage range, functioning as a constant current source counterpart to Zener diodes. It is available in axial-leaded packages, including DO-7 and DO-204AA formats. The component supports military qualifications such as JAN, JANTX, JANTXV, and JANS per MIL-PRF-19500/463 standards.
Feature Summary
- Provides stable current regulation across a wide voltage differential
- Features high source impedance for consistent performance
- Utilizes internal metallurgical bond construction
- Available in ruggedized axial-leaded packages suitable for harsh environments
Applications
- Constant current sources for LED driving
- Biasing circuits for transistors and active components
- Current limiting protection in sensitive electronic paths
- Reference current generation in analog signal processing
Procurement Notes
Verify the specific suffix (JAN, JANTX, JANTXV, or JANS) to ensure compliance with required military qualification levels. Confirm package type availability, as DO-7 offers enhanced mechanical robustness compared to standard DO-204AA. Cross-reference datasheets for the complete 1N5283-1 thru 1N5314-1 series to validate current ratings against design requirements.
Selection Notes
Select this component when a fixed current sink is required independent of voltage fluctuations. Compare the 0.47 mA rating against circuit load needs. Consider the DO-7 package if higher thermal mass or mechanical stability is necessary. Ensure the operating voltage remains within the specified breakdown limits while maintaining sufficient headroom for regulation.
Part Context
This part is part of Microchip's legacy discrete semiconductor lineup, originally developed under Microsemi. It serves as a specialized alternative to complex integrated current regulators, offering simplicity and reliability in axial packages. The series covers a range of currents from 0.22 mA to 4.7 mA, allowing designers to choose precise values without external resistors.
Replacement Considerations
Direct substitutes include other parts from the 1N5283-1 through 1N5314-1 series with matching current ratings. Verify equivalent military qualification grades if environmental resilience is critical. Check package compatibility, noting that DO-7 dimensions may differ slightly from standard DO-204AA footprints.
