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Microchip Technology JANTXV1N4120D-1/TR
- Part No.:
- JANTXV1N4120D-1/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANTXV1N4120D-1/TR.pdf
- Description:
- DIODE ZENER 30V 500MW DO204AH
- Quantity:
- Payment:
- Shipping:
Inventory:5,727
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Product details
Overview
JANTXV1N4120D-1/TR from Microsemi is a 30 V, 1% tolerance, 500 mW metallurgically bonded glass Zener diode in DO-35 package, qualified to MIL-PRF-19500/435 JANTXV level for high-reliability voltage regulation in aerospace power conditioning and precision reference circuits.
For engineers reviewing the JANTXV1N4120D-1/TR datasheet, JANTXV1N4120D-1/TR pinout, JANTXV1N4120D-1/TR application, or JANTXV1N4120D-1/TR equivalent, key selection criteria include Zener voltage tolerance (±1%), temperature coefficient (+0.095 %/°C), noise density (1 µV/√Hz), max reverse current (10 nA @ 24 V), and military-grade thermal derating behavior.
Technical Context
This device operates as a two-terminal voltage reference with cathode-banded polarity, requiring reverse-bias operation where the banded end is positive relative to the anode. Its metallurgical bond construction ensures stable breakdown characteristics across -65 °C to +175 °C junction temperature range.
It delivers regulated 30 V output at 250 mA test current (IZT), with dynamic impedance of 200 Ω at IZT and maximum Zener current of 22.8 mA under 500 mW power limit. Noise density remains at 1 µV/√Hz - among the lowest in the 1N41xx series - supporting low-noise analog references.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 30.0 V ±1% at 250 mA - enables precise mid-range voltage reference with tight initial accuracy. |
| Power Rating | 500 mW at 25 °C - supports stable regulation in compact axial-leaded layouts with linear derating to zero at 175 °C. |
| Temp Coefficient αVZ | +0.095 %/°C - predictable positive drift allows compensation in temperature-critical bias networks. |
| Noise Density ND | 1 µV/√Hz - ultra-low broadband noise ideal for precision instrumentation and ADC reference buffers. |
| Reverse Current IR | 10 nA @ 24 V - minimal leakage preserves regulation integrity in high-impedance feedback paths. |
| Zener Impedance ZZT | 200 Ω at 250 mA - maintains voltage stability under moderate load transients without external buffering. |
| Junction Temp Range | -65 °C to +175 °C - certified for extended operation in avionics, downhole, and space-qualified systems. |
Pinout & Package
DO-35 (DO-204AH) hermetically sealed axial-leaded glass package with tin-lead plating; cathode indicated by color band; weight ≈ 0.2 g; lead length 25.4–38.1 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reference Ground Node | Connected to system ground or lower-potential rail; defines Zener's reverse-bias orientation. |
| Cathode | Regulated Output Terminal | Banded end; supplies stable 30 V when reverse-biased; must be held at higher potential than anode. |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 JANTXV qualification | Validated reliability for flight-critical and defense electronics with full lot traceability and screening. |
| 1% Zener voltage tolerance (suffix D) | Reduces calibration overhead in precision voltage references and sensor excitation circuits. |
| Metallurgical bond construction | Eliminates interfacial degradation mechanisms, ensuring long-term parametric stability under thermal cycling. |
| Ultra-low 1 µV/√Hz noise density | Enables use in low-noise op-amp biasing, DAC reference buffers, and metrology-grade signal chains. |
| Hermetic glass DO-35 package | Provides moisture immunity and radiation hardness per MicroNote 050 - suitable for space and nuclear environments. |
Applications
| Aerospace Power Conditioning | Precision Instrumentation Reference |
|---|---|
Use Scenario: Regulating auxiliary 30 V rail in satellite power distribution units exposed to thermal vacuum and radiation. IC Role / Device Role / Timing Role: Two-terminal shunt voltage regulator maintaining stable bias for DC-DC controller ICs and telemetry amplifiers. Use Value: JANTXV1N4120D-1/TR's JANTXV qualification and -65 °C to +175 °C operation ensure uninterrupted regulation during orbital thermal cycling. | Use Scenario: Providing low-drift, low-noise 30 V reference for 24-bit precision ADC front-ends in portable calibrators. IC Role / Device Role / Timing Role: Primary voltage reference source for ratiometric sensor excitation and analog input scaling. Use Value: 1 µV/√Hz noise density and ±1% tolerance minimize quantization error and eliminate post-calibration trimming. |
| Avionics Sensor Biasing | Radiation-Hardened Test Equipment |
Use Scenario: Supplying stable excitation voltage to piezoresistive pressure transducers in flight control systems. IC Role / Device Role / Timing Role: Shunt regulator establishing fixed bias point for Wheatstone bridge sensors operating across wide ambient ranges. Use Value: +0.095 %/°C tempco allows predictable compensation in analog signal conditioning stages without digital correction. | Use Scenario: Serving as calibrated reference element in radiation-tolerant benchtop multimeters used in nuclear facility maintenance. IC Role / Device Role / Timing Role: Traceable voltage standard within self-test and auto-calibration subsystems. Use Value: Hermetic DO-35 packaging and inherent radiation hardness per MicroNote 050 prevent parameter shift during gamma exposure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4120US-1/TR | Same 30 V, 1% spec but in surface-mount DO-213AA package; no axial leads. | Requires PCB redesign for SMT assembly; unsuitable for through-hole prototyping or wire-wrap. | Select when board space is constrained and reflow compatibility is required. |
| JANS1N4120D-1 | Identical electrical specs and DO-35 package, but qualified to JANS (highest MIL-PRF-19500 level) with additional screening. | Used only in mission-critical systems requiring full JANS certification (e.g., launch vehicle avionics). | Select only if JANS-level documentation, lot traceability, and extended screening are contractually mandated. |
Compared with JANTXV1N4120D-1/TR, the 1N4120US-1/TR offers identical regulation performance in a smaller footprint but eliminates axial mounting flexibility, while JANS1N4120D-1 adds cost and lead time for screening not needed in JANTXV-tier programs.
Availability
JANTXV1N4120D-1/TR is available at Aetrix Electronics and suitable for aerospace power conditioning, precision instrumentation reference, and avionics sensor biasing requiring stable component supply across extended temperature and radiation environments.
Supply support for JANTXV1N4120D-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) designs high-reliability analog and mixed-signal semiconductors for aerospace, defense, and industrial markets.
The 1N41xx series was developed specifically for military-grade voltage regulation, emphasizing parametric stability, radiation tolerance, and extended temperature operation in safety-critical systems.
FAQ
What is the Zener voltage tolerance of JANTXV1N4120D-1/TR?
JANTXV1N4120D-1/TR has a nominal Zener voltage of 30.0 V with ±1% tolerance, indicated by the "D" suffix in its part number per MIL-PRF-19500/435 nomenclature. This tight tolerance is verified at 250 mA test current and 25 °C ambient, enabling high-accuracy voltage references without post-manufacture trimming.
Is JANTXV1N4120D-1/TR RoHS compliant?
No, JANTXV1N4120D-1/TR is not RoHS compliant. Per the manufacturer's documentation, RoHS-compliant versions (e.g., with "e3" suffix) are available only for commercial-grade variants, not for JANTXV-qualified parts. The JANTXV1N4120D-1/TR uses traditional tin-lead plating per MIL-STD-750.
What is the maximum reverse leakage current for JANTXV1N4120D-1/TR?
The maximum reverse leakage current (IR) for JANTXV1N4120D-1/TR is 10 nA measured at 24 V reverse voltage (VR), per the Electrical Characteristics table on page 3 of the T4-LDS-0245-2 datasheet. This ultra-low leakage supports high-impedance bias networks and minimizes power loss in standby modes.
Does JANTXV1N4120D-1/TR require heatsinking in normal operation?
No, JANTXV1N4120D-1/TR does not require external heatsinking under typical conditions. With a 500 mW power rating and 300 °C/W junction-to-ambient thermal resistance on FR4, it safely dissipates full power at ambient temperatures up to 50 °C before linear derating begins - sufficient for most regulated reference applications.
How is polarity marked on JANTXV1N4120D-1/TR?
JANTXV1N4120D-1/TR uses a cathode band marking per standard diode convention: the banded end is the cathode and must be held at a higher potential than the unmarked (anode) end for proper Zener regulation. This polarity is confirmed in the Mechanical and Packaging section of the datasheet and applies to all DO-35 packaged devices in the series.
JANTXV1N4120D-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):
- 30 V
- Tolerance:
- ±1%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 200 Ohms
- Current - Reverse Leakage @ Vr:
- 10 nA @ 22.8 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)
JANTXV1N4120D-1/TR FAQ
1.How can I place an order for JANTXV1N4120D-1/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTXV1N4120D-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 JANTXV1N4120D-1/TR reliable?
The price and inventory of JANTXV1N4120D-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 JANTXV1N4120D-1/TR is usually 5 days.
3.What payment methods are accepted for JANTXV1N4120D-1/TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTXV1N4120D-1/TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTXV1N4120D-1/TR?
JANTXV1N4120D-1/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTXV1N4120D-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 JANTXV1N4120D-1/TR?
For technical support, including JANTXV1N4120D-1/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTXV1N4120D-1/TR requirements.
6.How does Aetrix verify that JANTXV1N4120D-1/TR is sourced from the original manufacturer or authorized distributors?
All JANTXV1N4120D-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 JANTXV1N4120D-1/TR meets industry standards.
7.What is the process for return or replacement of JANTXV1N4120D-1/TR?
All JANTXV1N4120D-1/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANTXV1N4120D-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 JANTXV1N4120D-1/TR part is unused and in its original packaging.
Return procedure for JANTXV1N4120D-1/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTXV1N4120D-1/TR Tags
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