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Microchip Technology JANTX1N4109D-1
- Part No.:
- JANTX1N4109D-1
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANTX1N4109D-1.pdf
- Description:
- DIODE ZENER 15V 500MW DO204AH
- Quantity:
- Payment:
- Shipping:
Inventory:8,570
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Product details
Overview
JANTX1N4109D-1 from Microsemi is a 15 V, 1% tolerance, 500 mW metallurgically bonded glass Zener diode in DO-35 package, qualified to MIL-PRF-19500/435 JANTX level for high-reliability voltage regulation in aerospace and defense power supplies.
For engineers reviewing the JANTX1N4109D-1 datasheet, JANTX1N4109D-1 pinout, JANTX1N4109D-1 application, or JANTX1N4109D-1 equivalent, key selection criteria include Zener voltage tolerance (±1%), dynamic impedance (100 Ω @ 250 mA), noise density (40 µV/√Hz), and JANTX-level qualification for extended temperature operation (-65°C to +175°C).
Technical Context
This device operates as a precision shunt voltage regulator with a nominal Zener voltage of 15.0 V at 250 mA test current (IZT), exhibiting a positive temperature coefficient of +0.085 %/°C and low dynamic impedance of 100 Ω. Its metallurgical bond construction ensures stable regulation across wide current and temperature ranges.
Designed for high-reliability environments, JANTX1N4109D-1 maintains ≤0.05 µA reverse leakage at 12.0 V (VR) and delivers 40 µV/√Hz noise density above 6.8 V - consistent with the 1N4099–1N4135 family's low-noise performance profile.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 15.0 V ±1% at 250 mA - enables precise reference generation in regulated power supplies requiring tight voltage stability. |
| Power Dissipation | 500 mW at 25°C - supports continuous regulation in compact axial-leaded designs with linear derating to zero at 175°C. |
| Dynamic Impedance (ZZT) | 100 Ω @ IZT - ensures minimal output voltage variation under load transients in feedback reference circuits. |
| Noise Density (ND) | 40 µV/√Hz - critical for low-noise analog references in instrumentation and precision ADC/DAC biasing. |
| Reverse Leakage (IR) | ≤0.05 µA @ 12.0 V - guarantees negligible quiescent current draw in standby or low-power monitoring circuits. |
| Temp Coefficient (αVZ) | +0.085 %/°C - provides predictable, monotonic voltage drift over military temperature range (-65°C to +175°C). |
| Junction Temp Range | -65°C to +175°C - validated for operation in harsh-environment avionics, satellite power systems, and downhole electronics. |
Pinout & Package
DO-35 (DO-204AH) hermetically sealed axial-leaded glass package with cathode indicated by band; banded end is positive during Zener regulation. Leads are tin-lead or RoHS-compliant matte-tin plated, solderable per MIL-STD-750 Method 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reference Ground Node | Connected to system ground or common return; establishes reference potential for Zener regulation. |
| Cathode (banded end) | Regulated Output Node | Provides stable 15.0 V output when reverse-biased; must be held positive relative to anode for conduction. |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 JANTX qualification | Validated reliability for aerospace and defense applications with full traceability and screening per military standards. |
| Metallurgical bond construction | Eliminates interfacial delamination risk under thermal cycling, ensuring long-term parameter stability in mission-critical systems. |
| 1% Zener voltage tolerance (D suffix) | Reduces calibration overhead in precision reference designs - eliminates need for external trimming in many analog subsystems. |
| Low noise density (40 µV/√Hz) | Enables use in high-resolution data acquisition front-ends where reference noise directly impacts effective resolution. |
| Hermetic glass encapsulation | Prevents moisture ingress and parametric shift over time - essential for >10-year field life in sealed avionics enclosures. |
Applications
| Aerospace Power Reference | Defense System Voltage Monitor |
|---|---|
Use Scenario: Providing stable 15 V reference for DC-DC converter feedback loops in satellite power distribution units. IC Role / Device Role / Timing Role: Shunt voltage regulator establishing precise feedback threshold for error amplifiers in isolated flyback controllers. Use Value: JANTX1N4109D-1's ±1% tolerance and +0.085 %/°C TC ensure <±2% total drift over -55°C to +125°C operating range, meeting MIL-STD-704E line regulation requirements. | Use Scenario: Monitoring 28 V aircraft bus voltage via resistive divider into comparator input in radar warning receivers. IC Role / Device Role / Timing Role: Precision clamp protecting comparator input from overvoltage while maintaining accurate trip-point referencing. Use Value: 100 Ω dynamic impedance minimizes loading error on the divider network, preserving measurement accuracy within ±0.1 V across temperature. |
| Avionics Sensor Bias Supply | Tactical Radio RF Stage Bias |
Use Scenario: Generating clean 15 V bias for MEMS gyroscope signal conditioning ASICs in inertial navigation units. IC Role / Device Role / Timing Role: Low-noise analog voltage reference supplying bias current to op-amps and ADC drivers. Use Value: 40 µV/√Hz noise density prevents degradation of angular rate resolution below 0.001°/hr in high-dynamic-range sensors. | Use Scenario: Setting gate bias point for GaAs FETs in L-band power amplifier stages of secure handheld radios. IC Role / Device Role / Timing Role: Stable DC bias source compensating for FET threshold voltage drift across operational temperature extremes. Use Value: Hermetic DO-35 package and JANTX qualification ensure no parameter shift after 1,000-hour burn-in and shock/vibe testing per MIL-STD-810G. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4109US-1 | Same electrical specs but in DO-213AA surface-mount package; no axial leads. | Used where board space is constrained and reflow assembly is required; lacks axial mounting flexibility. | Select 1N4109US-1 only when transitioning from through-hole to SMT production and PCB layout permits footprint change. |
| JAN1N4109D-1 | Identical electrical and mechanical specs but qualified only to JAN level (less stringent screening than JANTX). | Suitable for non-safety-critical commercial/military hybrids where full JANTX screening is not mandated. | Choose JAN1N4109D-1 when cost sensitivity outweighs requirement for extended reliability screening per MIL-PRF-19500/435 Table I. |
Compared with JANTX1N4109D-1, 1N4109US-1 offers identical regulation performance in a space-saving SMT form factor but requires PCB redesign, while JAN1N4109D-1 reduces procurement cost by omitting JANTX-level environmental stress screening without sacrificing core Zener functionality.
Availability
JANTX1N4109D-1 is available at Aetrix Electronics and suitable for aerospace power reference, defense system voltage monitor, and avionics sensor bias supply applications requiring stable component supply across extended product lifecycles.
Supply support for JANTX1N4109D-1 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 Corporation (now part of Microchip Technology) is a U.S.-based semiconductor company specializing in high-reliability analog and mixed-signal components for aerospace, defense, and industrial markets.
JANTX1N4109D-1 belongs to the 1N4099–1N4135 series of metallurgically bonded Zener diodes designed specifically for precision voltage regulation in mil-spec power systems where long-term stability and radiation hardness are mandatory.
FAQ
What is the Zener voltage tolerance of JANTX1N4109D-1?
JANTX1N4109D-1 has a Zener voltage tolerance of ±1%, indicated by the "D" suffix in its part number per Microsemi's nomenclature. This is confirmed in the Electrical Characteristics table on page 3 of T4-LDS-0245-2 Rev. 1, where VZ = 15.0 V at IZT = 250 mA with 1% tolerance. The tighter tolerance reduces calibration burden in precision reference designs compared to standard 5% variants like JANTX1N4109-1.
Is JANTX1N4109D-1 qualified to MIL-PRF-19500/435?
Yes, JANTX1N4109D-1 is qualified to MIL-PRF-19500/435 at the JANTX reliability level, as stated in the DESCRIPTION section on page 1 of T4-LDS-0245-2 Rev. 1. This includes full screening for vibration, thermal shock, and hermeticity per Table I of the specification, making it suitable for high-reliability aerospace and defense applications where failure is not an option.
What is the maximum reverse leakage current for JANTX1N4109D-1?
The maximum reverse leakage current (IR) for JANTX1N4109D-1 is 0.05 µA at VR = 12.0 V, as specified in the Electrical Characteristics table on page 3 of T4-LDS-0245-2 Rev. 1. This ultra-low leakage ensures minimal power loss in battery-backed monitoring circuits and preserves accuracy in high-impedance sensing nodes where even nanoamp-level currents affect measurement integrity.
Does JANTX1N4109D-1 have low noise performance?
Yes, JANTX1N4109D-1 delivers 40 µV/√Hz noise density at its 15 V Zener voltage, consistent with the family's specification for devices ≥6.8 V. This value is measured using a 1 kHz–3 kHz bandpass filter at 25°C ambient, as detailed in Figure 1 and the NOTES section on page 4 of T4-LDS-0245-2 Rev. 1 - critical for precision analog references in data converters and sensor interfaces.
What package type does JANTX1N4109D-1 use?
JANTX1N4109D-1 uses the DO-35 (DO-204AH) hermetically sealed axial-leaded glass package, as confirmed in the MECHANICAL and PACKAGING section on page 2 of T4-LDS-0245-2 Rev. 1. The package features tin-lead or RoHS-compliant matte-tin plating, cathode band marking, and is rated for soldering at 260°C for 10 seconds per MIL-STD-750 Method 2026.
JANTX1N4109D-1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- DO-204AH, DO-35, Axial
- Packaging:
- Bulk
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 15 V
- Tolerance:
- ±1%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 100 Ohms
- Current - Reverse Leakage @ Vr:
- 50 nA @ 11.4 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 200 mA
- Operating Temperature:
- -65°C ~ 175°C
- Grade:
- Military
- Qualification:
- MIL-PRF-19500/435
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AH (DO-35)
JANTX1N4109D-1 FAQ
1.How can I place an order for JANTX1N4109D-1 through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTX1N4109D-1 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 JANTX1N4109D-1 reliable?
The price and inventory of JANTX1N4109D-1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTX1N4109D-1 is usually 5 days.
3.What payment methods are accepted for JANTX1N4109D-1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTX1N4109D-1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTX1N4109D-1?
JANTX1N4109D-1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTX1N4109D-1 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 JANTX1N4109D-1?
For technical support, including JANTX1N4109D-1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTX1N4109D-1 requirements.
6.How does Aetrix verify that JANTX1N4109D-1 is sourced from the original manufacturer or authorized distributors?
All JANTX1N4109D-1 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 JANTX1N4109D-1 meets industry standards.
7.What is the process for return or replacement of JANTX1N4109D-1?
All JANTX1N4109D-1 units undergo pre-shipment inspection (PSI). If there is an issue with JANTX1N4109D-1, 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 JANTX1N4109D-1 part is unused and in its original packaging.
Return procedure for JANTX1N4109D-1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTX1N4109D-1 Tags
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