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1N1189AR is listed in the Single Diodes range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is DIODE STD REV 500V 40A DO203AB. Review the specifications below when checking this part for your BOM.
Single Diodes specifications for 1N1189AR
- Description：DIODE STD REV 500V 40A DO203AB
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Technology：Standard, Reverse Polarity
- Voltage - DC Reverse (Vr) (Max)：500 V
- Current - Average Rectified (Io)：40A
- Voltage - Forward (Vf) (Max) @ If：1.19 V @ 90 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：10 µA @ 500 V
- Capacitance @ Vr, F：-
- Mounting Type：Stud Mount
- Package / Case：DO-203AB, DO-5, Stud
- Supplier Device Package：DO-203AB (DO-5)
- Operating Temperature - Junction：-65°C ~ 200°C
Single Diodes datasheet and documents for 1N1189AR
Single Diodes Overview
The Microchip Technology 1N1189AR is a high-current, standard recovery rectifier diode designed for demanding power applications. It features a 500V maximum repetitive peak reverse voltage (VRRM) and supports an average forward current of 40A. The device utilizes a stud mount configuration within the DO-203AB (DO-5) package, offering robust glass-to-metal construction. It provides an 800A surge rating and incorporates a glass-passivated die for enhanced reliability.
Single Diodes Feature Summary
- Glass passivated die for improved junction stability
- Robust glass-to-metal construction for durability
- High surge current handling capability
- Standard recovery characteristics for general rectification
Single Diodes Applications
- Industrial power supplies
- Battery charging systems
- General-purpose rectification in high-current circuits
Single Diodes Procurement Notes
Verify the specific suffix 'AR' to confirm the RoHS status and exact packaging details as defined by Microchip Technology. Ensure compatibility with stud mount thermal management solutions. Cross-reference official datasheets for precise mechanical dimensions and mounting torque specifications before integration into final designs.
Single Diodes Selection Notes
Select this component when a 40A continuous current rating and 500V blocking voltage are required in a stud-mount form factor. Consider the DO-203AB package constraints for PCB or chassis mounting. Evaluate thermal dissipation requirements based on the 40A load and ambient conditions to ensure reliable operation within specified limits.
Single Diodes Part Context
This part belongs to the 1N1189 series of silicon power rectifiers manufactured by Microchip Technology. The series includes variants with different voltage ratings and current capacities, all sharing similar glass-passivated die technology and DO-5 package styles for industrial-grade performance.
Single Diodes Replacement Considerations
Direct substitutes include other 40A, 500V stud-mount rectifiers in the DO-203AB package from manufacturers such as Vishay or Infineon, provided they meet identical electrical and mechanical specifications.
Explore related parts through Rectifiers, Diodes, Discrete Semiconductor Products, all product categories.
