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HomeProductsDiscrete Semiconductor ProductsDiodes - Rectifiers - SingleJANTX1N3289R
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JANTX1N3289R - Microchip Technology

Manufacturer Part Number
JANTX1N3289R
Manufacturer
Microchip Technology
Allelco Part Number
32D-JANTX1N3289R
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
3,930 pcs available, New & Original
Parts Description
DIODE GEN PURP 200V 100A DO205AA
Package
DO-205AA (DO-8)
Data sheet
JANTX1N3289R.pdf
RoHs Status
 
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In stock: 3930

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Specifications

JANTX1N3289R Tech Specifications
Microchip Technology - JANTX1N3289R technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - JANTX1N3289R

Product Attribute Attribute Value
Manufacturer Microchip Technology
Voltage - Forward (Vf) (Max) @ If 1.55 V @ 310 A
Voltage - DC Reverse (Vr) (Max) 200 V
Technology Standard
Supplier Device Package DO-205AA (DO-8)
Speed Standard Recovery >500ns, > 200mA (Io)
Series Military, MIL-PRF-19500/246
Product Attribute Attribute Value
Package / Case DO-205AA, DO-8, Stud
Package Bulk
Operating Temperature - Junction -65°C ~ 200°C
Mounting Type Stud Mount
Current - Reverse Leakage @ Vr 10 mA @ 200 V
Current - Average Rectified (Io) 100A
Capacitance @ Vr, F -

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
REACH Status REACH Unaffected
ECCN EAR99

Frequently Asked Questions(FAQ)

What is the typical forward voltage drop of JANTX1N3289R at high current levels, and how does it impact thermal performance in power rectification circuits?
The JANTX1N3289R specifies a maximum forward voltage drop of 1.55 V at 310 A, which reflects its conduction losses under heavy load conditions. This relatively low Vf contributes to reduced power dissipation compared to higher-drop diodes in high-current applications like industrial rectifiers or aerospace power supplies. When evaluating thermal design margins, engineers should account for sustained current operation near 100 A average, where even small differences in Vf affect heatsinking requirements and junction temperature rise, especially given the device’s 200°C max junction rating.
How does the reverse polarity design feature of JANTX1N3289R influence its implementation in dual-voltage or redundant power architectures?
The JANTX1N3289R incorporates reverse polarity technology, allowing it to maintain correct electrical orientation when mounted in systems requiring inverted connections—common in military and avionics platforms where mechanical symmetry or field-reversible installations are needed. This feature simplifies integration in redundant DC power buses or systems using mirrored chassis layouts, reducing wiring complexity without compromising rectification directionality. The 200 V reverse blocking capability remains unchanged, ensuring compatibility with standard 28 V or 115 V DC military power rails.
In what ways does the MIL-PRF-19500/246 qualification of JANTX1N3289R affect reliability in extreme environmental conditions?
Being qualified to MIL-PRF-19500/246, the JANTX1N3289R meets stringent military standards for performance across extended temperature ranges (-65°C to 200°C junction), mechanical robustness, and long-term stability under thermal cycling and vibration. This makes it suitable for mission-critical applications such as aircraft engine-mounted electronics, weapon systems, or satellite power conditioning, where failure tolerance is minimal. The qualification also includes rigorous lot acceptance testing, providing higher confidence in parametric consistency compared to commercial-grade diodes.
How does the leakage current of JANTX1N3289R at rated voltage compare to similar high-power stud-mounted diodes?
At 200 V DC reverse bias, the JANTX1N3289R exhibits a maximum reverse leakage current of 10 mA, which is higher than many modern silicon rectifiers but consistent with legacy military-spec devices designed for high surge handling and ruggedness. While this level of leakage may introduce minor standby losses in high-impedance circuits, it is generally acceptable in high-power analog or pulsed systems—such as radar modulators or motor drives—where primary concerns are peak current capacity and thermal durability rather than microamp-level standby efficiency.
What are the implications of JANTX1N3289R’s standard recovery speed for use in switching versus line-frequency rectification?
With a recovery time exceeding 500 ns at currents above 200 mA, the JANTX1N3289R falls into the standard recovery category, making it best suited for line-frequency (50/60 Hz) or medium-frequency (up to a few hundred Hz) rectification rather than high-frequency switch-mode supplies. Its slow recovery increases switching losses and can generate EMI if used in converters operating above 10 kHz. However, the slower speed enhances robustness during commutation in high-current inductive circuits, reducing di/dt stress—a trade-off favorable in legacy military power systems optimized for reliability over efficiency.
How does the 100A average rectified current rating of JANTX1N3289R scale with thermal management in real-world installations?
The 100 A Io rating of JANTX1N3289R assumes effective thermal coupling to a heatsink via its stud-mount DO-205AA package. In practice, sustained current delivery depends heavily on thermal resistance between the stud and ambient environment. Without forced cooling or substantial heatsinking, allowable current must be derated significantly—potentially below 50 A at ambient temperatures above 85°C. Engineers should model total thermal path resistance, including mounting torque, insulating washers, and coolant flow, to ensure the junction stays within its 200°C limit during continuous operation.
What advantages does the JANTX1N3289R offer over plastic-packaged rectifiers in high-temperature aerospace applications?
Compared to commercial plastic-packaged diodes, the JANTX1N3289R’s hermetic DO-205AA stud mount construction provides superior long-term stability in high-humidity, high-vibration, and elevated-temperature environments typical of aerospace systems. The metal-glass seal resists moisture ingress and thermal degradation far better than molded epoxy, while the 200°C junction rating enables placement closer to heat sources like engines or power transformers. These characteristics support uninterrupted operation in airborne or space-constrained platforms where system-level cooling is limited.
Why might an engineer choose JANTX1N3289R instead of a modern Schottky or SiC diode for a 200V rectification task?
Despite lacking the efficiency of Schottky or SiC alternatives, the JANTX1N3289R offers proven ruggedness, surge tolerance, and MIL-qualified traceability essential in life-critical or repair-constrained systems. Its 310 A peak forward capability and stable behavior under fault transients make it preferable to fragile wide-bandgap devices in environments with unpredictable load dumps or lightning-induced surges. Additionally, legacy system maintainability often mandates exact replacements, and the JANTX1N3289R remains a qualified drop-in for aging military hardware where redesigns are cost-prohibitive.
Can JANTX1N3289R be used in parallel configurations to achieve higher current capacity, and what considerations are critical for stability?
Yes, the JANTX1N3289R can be paralleled to support currents beyond 100 A average, but careful attention to thermal coupling and forward voltage matching is necessary. Since the device has a positive temperature coefficient for Vf, unequal current sharing can occur if individual diodes experience differing thermal paths. To ensure balance, all units should share a common massive heatsink, be torqued identically, and ideally come from the same manufacturing lot to minimize parametric spread. Forced air or liquid cooling further improves current-sharing predictability.
How does the RoHS non-compliant status of JANTX1N3289R impact deployment in modern defense electronics?
The RoHS non-compliance of JANTX1N3289R is acceptable under exemptions for military and aerospace equipment, where lead-based materials are permitted due to reliability requirements in extreme operating conditions. While not suitable for commercial consumer goods, this status does not restrict its use in defense systems governed by MIL-PRF-19500 standards. Designers should document the use case under applicable waivers (e.g., EU RoHS Article 9) and confirm alignment with program-specific environmental regulations, particularly in dual-use or export-controlled platforms.
What are acceptable alternatives to JANTX1N3289R when seeking form-fit-function replacements in legacy system repairs?
Direct replacements for JANTX1N3289R include earlier variants such as JAN1N3289R or equivalent MIL-PRF-19500/246-qualified diodes from qualified suppliers like Infineon or ON Semiconductor, provided they match the 200 V, 100 A, reverse polarity, and DO-205AA stud specifications. Non-military equivalents such as RURG1020 or similar 100A/200V rectifiers may function electrically but lack the necessary qualification for flight- or mission-critical systems. Cross-referencing procurement specs against original schematics and ensuring stud dimensions match (M4 or M5 thread) is essential to avoid mechanical fit issues.
How does the junction temperature range of JANTX1N3289R support operation in cryogenic or deep-space systems?
With a qualified operating junction range from -65°C to 200°C, the JANTX1N3289R can withstand deep-cold environments encountered in spaceborne or high-altitude systems. At cryogenic temperatures, carrier mobility increases, potentially lowering Vf and enhancing conduction, though thermal contraction of mounting hardware must be considered. The device’s behavior under thermal cycling—validated through MIL qualification—ensures reliability during repeated transitions between extreme hot and cold phases, making it viable for satellite power distribution units or planetary exploration hardware where semiconductor performance stability is mandatory.

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology JANTX1N3289R

Product Attribute JANTX1N3289 JANTX1N3291R JANTX1N3295R JANTX1N3294R
Part Number JANTX1N3289 JANTX1N3291R JANTX1N3295R JANTX1N3294R
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Series - - - -
Technology - - - -
Voltage - Forward (Vf) (Max) @ If - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Current - Reverse Leakage @ Vr - - - -
Capacitance @ Vr, F - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Voltage - DC Reverse (Vr) (Max) - - - -
Operating Temperature - Junction - - - -
Current - Average Rectified (Io) - - - -
Speed - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Mounting Type - Surface Mount Through Hole Surface Mount

JANTX1N3289R Datasheet PDF

Download JANTX1N3289R pdf datasheets and Microchip Technology documentation for JANTX1N3289R - Microchip Technology.

Environmental Information
Microchip CA Prop65.pdf Microchip REACH.pdf Microchip RoHS.pdf
PCN Assembly/Origin
Manufacturing Change 23/Feb/2021.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Circ***FixerTom
    Sep 2, 2026

    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    Aug 28, 2026

    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
    Aug 20, 2026

    This product works considerably well. It secretly improves my basketball by a lot.

  • Indu***ialPower
    Aug 17, 2026

    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

  • Nikh***ech
    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

  • Embe***dMotion
    Aug 5, 2026

    Purchased this DSP controller for a motor control application. Stable processing performance and very good response under varying loads.

  • FPGA***dio
    Jul 30, 2026

    This FPGA handled our logic design without any surprises. Configuration completed quickly and timing met the project requirements.

  • Nord***mbedded
    Jul 20, 2026

    Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.

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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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Microchip Technology

JANTX1N3289R

Microchip Technology
32D-JANTX1N3289R

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