Microchip Technology JANTXV1N4118C-1/TR
- Part No.:
- JANTXV1N4118C-1/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANTXV1N4118C-1/TR.pdf
- Description:
- DIODE ZENER 27V 500MW DO204AH
- Quantity:
- Payment:

- Shipping:

Inventory:7,372
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Product details
Overview
JANTXV1N4118C-1/TR from Microsemi is a 27 V, 2% tolerance, 500 mW metallurgically bonded glass Zener diode in DO-35 package, qualified to JANTXV level per MIL-PRF-19500/435, used for precision voltage regulation in military-grade power supply and reference circuits.
For engineers reviewing the JANTXV1N4118C-1/TR datasheet, JANTXV1N4118C-1/TR pinout, JANTXV1N4118C-1/TR application, or JANTXV1N4118C-1/TR equivalent, key selection criteria include Zener voltage tolerance (2%), temperature coefficient (+0.090 %/°C), dynamic impedance (150 Ω @ 250 mA), noise density (1 µV/√Hz), and hermetic DO-35 packaging for high-reliability environments.
Technical Context
This device operates as a reverse-biased voltage reference with a nominal Zener voltage of 27 V at 250 mA test current, exhibiting a positive temperature coefficient of +0.090 %/°C and low dynamic impedance of 150 Ω. Its metallurgical bond construction ensures stable regulation across wide current (1–40 mA) and temperature (–65 to +175 °C) ranges.
Designed for high-reliability applications, JANTXV1N4118C-1/TR meets MIL-PRF-19500/435 Class JANTXV requirements, features RoHS-compliant matte-tin plating (commercial variants only), and delivers minimal capacitance (<1.5 pF typical) and ultra-low noise density (1 µV/√Hz), making it suitable for low-noise analog references and radiation-hardened systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 27 V ±2% at 250 mA - enables precise 27 V reference generation with tight tolerance for calibration-critical circuits. |
| Power Dissipation | 500 mW @ TL = 25 °C - supports stable operation in compact axial-leaded layouts with linear derating to zero at 175 °C. |
| Dynamic Impedance ZZT | 150 Ω @ IZT = 250 mA - ensures minimal output voltage variation under load transients in regulated supplies. |
| Noise Density | 1 µV/√Hz - provides ultra-low broadband noise for sensitive analog references and metrology-grade instrumentation. |
| Temp Coefficient αVZ | +0.090 %/°C - guarantees predictable, monotonic voltage drift over –65 to +175 °C for thermal-stable designs. |
| Reverse Leakage IR | 10 nA @ VR = 21.6 V - ensures negligible quiescent current draw in standby or low-power bias networks. |
| Package | DO-35 (DO-204AH) - hermetically sealed axial-glass package rated for military environmental stress and long-term reliability. |
Pinout & Package
DO-35 (DO-204AH) hermetically sealed axial-leaded glass package with cathode indicated by band; leads are tin-lead or RoHS-compliant matte-tin plated, solderable per MIL-STD-750 method 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference ground | Connected to circuit ground or lower-potential node; reverse voltage applied between cathode and anode to activate regulation. |
| Cathode | Zener breakdown terminal / regulated output node | Banded end; connected to unregulated input; delivers stable 27 V output referenced to anode potential. |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 JANTXV qualification | Validated for high-reliability military/aerospace use with full screening, lot traceability, and extended temperature operation (–65 to +175 °C). |
| Metallurgical bond construction | Eliminates interfacial delamination risk under thermal cycling, ensuring long-term parameter stability in harsh environments. |
| 2% Zener voltage tolerance | Reduces need for post-assembly trimming in precision reference designs, improving yield and reducing calibration overhead. |
| Ultra-low noise density (1 µV/√Hz) | Enables use in low-noise analog front-ends, ADC reference buffers, and metrology systems where spectral purity is critical. |
| Hermetic DO-35 sealing | Prevents moisture ingress and parameter drift over decades, supporting >20-year field life in sealed avionics and space-qualified subsystems. |
Applications
| Aerospace Power Conditioning | Military Reference Calibration |
|---|---|
Use Scenario: Regulating auxiliary 27 V rail in satellite power distribution units exposed to thermal vacuum and radiation. IC Role / Device Role / Timing Role: Zener diode providing primary voltage reference for DC-DC converter feedback and telemetry sensor biasing. Use Value: JANTXV1N4118C-1/TR's radiation hardness, hermetic seal, and +0.090 %/°C tempco ensure stable 27 V output across orbital thermal cycles without recalibration. | Use Scenario: Precision voltage standard in portable field calibration kits for avionics test equipment. IC Role / Device Role / Timing Role: Primary 27 V reference source for multimeter and DMM reference chains requiring traceable accuracy. Use Value: 2% tolerance and 1 µV/√Hz noise enable sub-0.1% absolute accuracy and low-noise measurement integrity during on-site verification. |
| Rad-Hard Instrumentation | Tactical Radio Bias Networks |
Use Scenario: Voltage reference in nuclear facility monitoring sensors operating in high-total-ionizing-dose environments. IC Role / Device Role / Timing Role: Stable Zener element establishing bias points for radiation-tolerant op-amps and signal conditioners. Use Value: Inherent radiation hardness per MicroNote 050 and metallurgical bond structure prevent parametric shift after 100 krad(Si) exposure. | Use Scenario: Local 27 V regulation for RF power amplifier stages in manpack and vehicular radios subjected to shock/vibe. IC Role / Device Role / Timing Role: Zener clamp and reference in PA bias control loop ensuring consistent gain and linearity. Use Value: DO-35 mechanical robustness and 500 mW rating sustain regulation under transient load spikes and wide ambient temperature swings (–40 to +85 °C). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4118US-1 | Same 27 V/2% spec but in surface-mount DO-213AA package; no axial leads. | Used where board space is constrained and reflow assembly is required; lacks axial mounting flexibility. | Select when automated SMT placement is mandatory and thermal mass constraints allow lower peak power handling. |
| JANS1N4118C-1 | Identical electrical specs but qualified to JANS (highest MIL-PRF-19500 level); includes additional radiation testing and lot acceptance. | Required for spaceflight and nuclear command systems where full JANS screening is mandated. | Choose only when JANS-level documentation, radiation data, and extended screening reports are contractually required. |
Compared with JANTXV1N4118C-1/TR, 1N4118US-1 trades axial-mount versatility for SMT compatibility, while JANS1N4118C-1 adds cost and lead time for mission-critical radiation assurance-neither is pin-compatible due to differing packages or screening levels.
Availability
JANTXV1N4118C-1/TR is available at Aetrix Electronics and suitable for aerospace power conditioning, military reference calibration, and rad-hard instrumentation requiring stable component supply with full MIL-PRF-19500 traceability and long-lifecycle support.
Supply support for JANTXV1N4118C-1/TR 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, radiation-hardened, and defense-grade analog and mixed-signal components.
JANTXV1N4118C-1/TR belongs to Microsemi's legacy MIL-qualified Zener diode family designed specifically for precision voltage regulation in aerospace, defense, and nuclear instrumentation where parameter stability, hermeticity, and long-term reliability are non-negotiable.
FAQ
What is the Zener voltage tolerance and test current for JANTXV1N4118C-1/TR?
JANTXV1N4118C-1/TR has a nominal Zener voltage of 27 V with ±2% tolerance, measured at a Zener test current (IZT) of 250 mA. This tight tolerance enables high-accuracy voltage referencing without post-production trimming, and the specified test current ensures repeatable characterization under standardized thermal conditions.
Is JANTXV1N4118C-1/TR RoHS compliant?
JANTXV1N4118C-1/TR is not RoHS compliant; RoHS-compliant versions (e3 suffix) are available only for commercial-grade variants (e.g., 1N4118C-1e3), not for JANTXV-qualified parts. The JANTXV1N4118C-1/TR uses traditional tin-lead plating per MIL-STD-750 to ensure solderability and reliability under military thermal cycling requirements.
What is the maximum operating temperature range for JANTXV1N4118C-1/TR?
JANTXV1N4118C-1/TR is rated for junction and storage temperatures from –65 °C to +175 °C, per MIL-PRF-19500/435 Class JANTXV requirements. This extended range supports deployment in extreme environments such as missile guidance systems, satellite power units, and downhole oilfield electronics.
How does the temperature coefficient of JANTXV1N4118C-1/TR affect its performance?
JANTXV1N4118C-1/TR has a temperature coefficient of +0.090 %/°C, meaning its Zener voltage increases predictably with rising temperature. This positive, linear drift allows designers to compensate system-level drift or select complementary components, and is verified across the full –65 to +175 °C range for reliable behavior in thermally unstable platforms.
What package type and marking does JANTXV1N4118C-1/TR use?
JANTXV1N4118C-1/TR uses the hermetically sealed DO-35 (DO-204AH) axial-leaded glass package with cathode indicated by a colored band. It is marked with the full part number "JANTXV1N4118C-1" and conforms to MIL-STD-130 marking standards for traceability in defense logistics systems.
JANTXV1N4118C-1/TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- DO-204AH, DO-35, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 27 V
- Tolerance:
- ±2%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 150 Ohms
- Current - Reverse Leakage @ Vr:
- 10 nA @ 20.5 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)
JANTXV1N4118C-1/TR FAQ
1.How can I place an order for JANTXV1N4118C-1/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTXV1N4118C-1/TR 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 JANTXV1N4118C-1/TR reliable?
The price and inventory of JANTXV1N4118C-1/TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTXV1N4118C-1/TR is usually 5 days.
3.What payment methods are accepted for JANTXV1N4118C-1/TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTXV1N4118C-1/TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTXV1N4118C-1/TR?
JANTXV1N4118C-1/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTXV1N4118C-1/TR 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 JANTXV1N4118C-1/TR?
For technical support, including JANTXV1N4118C-1/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTXV1N4118C-1/TR requirements.
6.How does Aetrix verify that JANTXV1N4118C-1/TR is sourced from the original manufacturer or authorized distributors?
All JANTXV1N4118C-1/TR 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 JANTXV1N4118C-1/TR meets industry standards.
7.What is the process for return or replacement of JANTXV1N4118C-1/TR?
All JANTXV1N4118C-1/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANTXV1N4118C-1/TR, 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 JANTXV1N4118C-1/TR part is unused and in its original packaging.
Return procedure for JANTXV1N4118C-1/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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