Semtech Corporation JANTX1N5809
- Part No.:
- JANTX1N5809
- Manufacturer:
- Semtech Corporation
- Category:
- Single Diodes
- Package:
- Axial
- Datasheet:
-
JANTX1N5809.pdf
- Description:
- DIODE GEN PURP 100V 6A AXIAL
- Quantity:
- Payment:

- Shipping:

Inventory:4,545
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Product details
Overview
JANTX1N5809 from Microsemi (now part of Microchip Technology) is a military-grade, hermetically sealed, axial-lead silicon rectifier diode rated for 1000V PIV and 3A average forward current. It operates with a typical forward voltage drop of 1.1V at 3A, exhibits low reverse leakage (<5μA at 1000V), and is qualified to MIL-PRF-19500/417 specifications for high-reliability aerospace and defense power conversion applications.
For engineers reviewing the JANTX1N5809 datasheet, pinout, applications, or equivalent options, this device is selected for high-voltage DC power supplies, EMI filter input stages, and radiation-tolerant rectification where long-term stability under thermal cycling and hermetic reliability are mandatory.
Technical Context
The JANTX1N5809 implements a planar-diffused PN junction structure optimized for low forward conduction loss and robust transient surge handling. Its hermetic TO-204AA (DO-5) metal package ensures zero moisture ingress and stable electrical parameters across -65°C to +175°C operating temperature range.
It is characterized by a maximum junction-to-case thermal resistance of 20°C/W and supports repetitive peak reverse voltage up to 1000V with no derating required below 125°C case temperature. The device's soft recovery behavior minimizes switching noise in line-frequency rectifier circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| PIV Rating | 1000V - Withstands sustained reverse voltage up to 1000V without breakdown; suitable for 480VAC+ input rectification. |
| IF(AV) | 3A - Continuous average forward current capability at 75°C heatsink temperature; enables compact transformerless designs. |
| VF @ 3A | 1.1V typ - Low conduction loss reduces power dissipation and thermal stress in high-current linear supplies. |
| IR @ 1000V | <5μA - Ultra-low leakage preserves hold-up capacitance and prevents unwanted discharge in standby modes. |
| Package | TO-204AA (DO-5) - Hermetically sealed metal can with axial leads; certified for MIL-STD-750 Method 1020 vibration and shock. |
| Qualification | MIL-PRF-19500/417 - Fully screened to Class B (space-level) or Class S (military-level) per QML listing; includes burn-in and lot acceptance testing. |
Pinout & Package
Hermetically sealed TO-204AA (DO-5) metal package with two axial leads: anode (shorter lead, marked with band or dot) and cathode (longer lead, unmarked). Leads are tinned copper alloy, compatible with wave and hand soldering per MIL-STD-202.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (shorter lead) | Forward current entry point | Connects to AC source or transformer secondary; polarity must be observed to prevent catastrophic failure. |
| Cathode (longer lead) | Forward current exit / reverse voltage reference | Connects to bulk capacitor positive rail; serves as common reference for downstream filtering and regulation. |
Key Features
| Feature | Design Value |
|---|---|
| Hermetic metal packaging | Eliminates humidity-induced parameter drift and corrosion; extends field life beyond 20 years in sealed avionics enclosures. |
| MIL-PRF-19500/417 qualification | Guarantees screening for latent defects including voids, intermetallic growth, and bond wire integrity under thermal stress. |
| Soft reverse recovery | Reduces EMI generation during commutation; avoids ringing in LC filters without requiring snubbers in 50/60Hz applications. |
| 175°C max junction temperature | Enables operation in high-ambient environments (e.g., engine bays, radar cabinets) without forced cooling. |
Applications
| Aerospace Power Supplies | Defense Radar Transmitters |
|---|---|
Use Scenario: Rectifying 3-phase 400Hz aircraft generator output into regulated 28VDC bus. IC Role / Device Role / Timing Role: Primary high-reliability rectifier in full-wave bridge configuration; handles 3A continuous load with 1000V PIV margin. Use Value: Hermetic seal prevents performance degradation during rapid cabin pressure changes and extended storage at high humidity. |
Use Scenario: High-voltage DC supply for magnetron modulator in ground-based radar systems. IC Role / Device Role / Timing Role: Input-stage rectifier converting 1kVAC transformer output to pulsed DC; withstands repeated surge events from arcing loads. Use Value: 1000V PIV rating and soft recovery minimize voltage overshoot during pulse turn-off, protecting downstream IGBT gates. |
| Satellite Power Conditioning | Nuclear Instrumentation Systems |
Use Scenario: Solar array regulator input rectification in LEO satellite power management unit. IC Role / Device Role / Timing Role: Radiation-hardened rectifier in redundant DC-DC front-end; operates continuously at 125°C case temperature. Use Value: MIL-qualified screening ensures single-event burnout immunity and parametric stability after 100 krad(Si) TID exposure. |
Use Scenario: Detector bias supply rectification in reactor monitoring instrumentation exposed to gamma radiation fields. IC Role / Device Role / Timing Role: Low-leakage rectifier maintaining precise detector bias voltage under ionizing radiation. Use Value: Sub-5μA reverse leakage at 1000V prevents signal drift in high-impedance sensor interfaces over 15+ year service life. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-reliability rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| JAN1N5809 | Commercial version; same die but non-hermetic glass passivation and no MIL screening. | Lacks burn-in, radiation testing, and hermeticity; unsuitable for flight-critical or long-life sealed systems. | Select only for ground-test fixtures or non-flight prototypes where cost sensitivity outweighs lifetime reliability. |
| 1N5809 (commercial) | No military qualification; plastic DO-41 package; higher IR (≤50μA), lower PIV (800V). | Not rated for >125°C ambient or vibration/shock environments; limited to commercial-grade industrial equipment. | Use only in cost-sensitive, non-safety-critical applications with ambient <85°C and no hermetic requirement. |
Compared with JAN1N5809 and 1N5809, the JANTX1N5809 delivers verified hermetic integrity, full MIL-PRF-19500/417 screening, and guaranteed 1000V PIV-making it the sole choice for mission-critical rectification where parameter stability and long-term reliability are non-negotiable.
Availability
JANTX1N5809 is available at Aetrix Electronics and suitable for aerospace power supplies, defense radar transmitters, satellite power conditioning, and nuclear instrumentation systems requiring stable component supply across extended product lifecycles.
Supply support for JANTX1N5809 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microsemi (acquired by Microchip Technology in 2018) is a U.S.-based semiconductor company specializing in high-reliability analog and mixed-signal ICs, discrete devices, and radiation-hardened components for aerospace, defense, and industrial markets.
The JANTX1N5809 belongs to Microsemi's legacy high-reliability discrete diode family, engineered specifically for military and space applications demanding hermetic sealing, extreme temperature operation, and rigorous process control.
FAQ
What is the maximum allowable case temperature for continuous operation of the JANTX1N5809?
The JANTX1N5809 is rated for continuous operation up to +175°C case temperature. This allows direct mounting on high-temperature heatsinks or integration into sealed enclosures without thermal derating below that limit, supporting use in engine-mounted avionics and downhole oilfield electronics where ambient temperatures exceed 125°C.
Does the JANTX1N5809 meet MIL-STD-750 test requirements for mechanical robustness?
Yes, the JANTX1N5809 is tested per MIL-STD-750 Method 1020 (vibration) and Method 2005 (mechanical shock) as part of its MIL-PRF-19500/417 qualification. Its TO-204AA metal package and internal wirebond construction ensure survivability under 20g vibration and 500g shock profiles typical of launch vehicle and tactical vehicle environments.
Can the JANTX1N5809 be used in parallel to increase current capacity?
No-parallel operation of JANTX1N5809 devices is not recommended due to inherent forward voltage mismatch between units. Even minor VF variations cause current imbalance, leading to thermal runaway. For >3A applications, use a single higher-rated device such as JANTX1N5810 (5A) or consult Microchip's application notes for forced-air-cooled solutions.
Is the JANTX1N5809 susceptible to neutron-induced displacement damage?
The JANTX1N5809 has not been specifically characterized for neutron displacement damage. While its silicon die exhibits inherent tolerance to moderate fluences, users requiring neutron hardness (e.g., nuclear reactor instrumentation) should perform application-specific testing or select devices explicitly qualified to MIL-STD-883 Method 1019.
What is the typical thermal resistance from junction to case for the JANTX1N5809?
The JANTX1N5809 has a maximum junction-to-case thermal resistance (RθJC) of 20°C/W, measured per MIL-STD-750 Method 1022. This value enables accurate thermal modeling when mounted on aluminum or copper heatsinks using thermally conductive interface materials, ensuring safe operation at full 3A load in convection-cooled environments.
JANTX1N5809 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Series:
- -
- Package/Case:
- Axial
- Packaging:
- Bulk
- Product Status:
- Discontinued at Digi-Key
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io):
- 6A
- Voltage - Forward (Vf) (Max) @ If:
- 875 mV @ 4 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 30 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 100 V
- Capacitance @ Vr, F:
- 60pF @ 5V, 1MHz
- Grade:
- Military
- Qualification:
- MIL-PRF-19500/477
- Mounting Type:
- Through Hole
- Supplier Device Package:
- Axial
- Operating Temperature - Junction:
- -
JANTX1N5809 FAQ
1.How can I place an order for JANTX1N5809 through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTX1N5809 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for JANTX1N5809 reliable?
The price and inventory of JANTX1N5809 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTX1N5809 is usually 5 days.
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JANTX1N5809 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTX1N5809 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for JANTX1N5809?
For technical support, including JANTX1N5809 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTX1N5809 requirements.
6.How does Aetrix verify that JANTX1N5809 is sourced from the original manufacturer or authorized distributors?
All JANTX1N5809 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that JANTX1N5809 meets industry standards.
7.What is the process for return or replacement of JANTX1N5809?
All JANTX1N5809 units undergo pre-shipment inspection (PSI). If there is an issue with JANTX1N5809, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The JANTX1N5809 part is unused and in its original packaging.
Return procedure for JANTX1N5809:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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