Microchip Technology JANTXV1N4122D-1/TR
- Part No.:
- JANTXV1N4122D-1/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANTXV1N4122D-1/TR.pdf
- Description:
- DIODE ZENER 36V 500MW DO204AH
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
JANTXV1N4122D-1/TR from Microsemi is a 36 V, 1% tolerance, 500 mW axial-leaded glass Zener diode in DO-35 (DO-204AH) package, metallurgically bonded for high-reliability voltage regulation in military and aerospace power conditioning circuits.
For engineers reviewing the JANTXV1N4122D-1/TR datasheet, JANTXV1N4122D-1/TR pinout, JANTXV1N4122D-1/TR application, or JANTXV1N4122D-1/TR equivalent, key selection criteria include Zener voltage tolerance (±1%), noise density (1 µV/√Hz), temperature coefficient (+0.095 %/°C), and MIL-PRF-19500/435 JANTXV qualification level.
Technical Context
This device operates as a precision shunt voltage regulator with a nominal Zener voltage of 36 V at 250 mA test current, exhibiting low dynamic impedance (200 Ω) and minimal capacitance (19 pF typical). Its metallurgical bond construction ensures stable regulation across -65 °C to +175 °C junction temperature range.
Designed for high-reliability environments, JANTXV1N4122D-1/TR meets MIL-PRF-19500/435 requirements at JANTXV level, features RoHS-compliant matte-tin plating (e3 suffix), and delivers <1 µV/√Hz noise density below 6.8 V - confirmed at 36 V operation per Figure 3 and Electrical Characteristics table.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 36 V ±1% at 250 mA - enables precise reference generation in regulated power supplies requiring tight voltage stability. |
| Power Dissipation | 500 mW @ 25 °C - supports continuous regulation in compact axial-leaded designs with linear derating to zero at 175 °C. |
| Dynamic Impedance ZZT | 200 Ω max - ensures minimal output voltage variation under load current changes in feedback and reference circuits. |
| Noise Density | 1 µV/√Hz - critical for low-noise analog references in instrumentation and precision ADC biasing applications. |
| Temperature Coefficient αVZ | +0.095 %/°C - provides predictable, monotonic drift behavior over wide operating temperatures in avionics systems. |
| Reverse Leakage IR | 10 µA max @ 28.8 V - guarantees low quiescent current draw in standby and battery-backed circuits. |
| Junction Temperature Range | -65 °C to +175 °C - validated for deployment in extreme-environment platforms including missile guidance and satellite power subsystems. |
Pinout & Package
Hermetically sealed axial-leaded DO-35 (DO-204AH) glass package with cathode band marking; 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 path; establishes reference potential for Zener regulation. |
| Cathode | Regulated output node | Banded end; supplies stable 36 V output when reverse-biased; must be held positive relative to anode. |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 JANTXV qualification | Validated reliability for mission-critical defense electronics with full lot traceability and screening per military standards. |
| Metallurgical bond construction | Eliminates interfacial delamination risk under thermal cycling and mechanical shock, ensuring long-term parameter stability. |
| 1% Zener voltage tolerance (D suffix) | Reduces calibration overhead in precision reference designs; eliminates need for post-manufacture trimming in many applications. |
| Low noise density (1 µV/√Hz) | Enables use in high-resolution analog front-ends where reference noise directly impacts effective resolution. |
| Hermetic glass sealing | Prevents moisture ingress and corrosion in humid or salt-laden environments typical of naval and airborne platforms. |
Applications
| Aerospace Power Reference | Defense System Voltage Clamp |
|---|---|
Use Scenario: Providing stable 36 V reference for ADC/DAC biasing and sensor excitation in satellite telemetry modules. IC Role / Device Role / Timing Role: Shunt voltage reference regulating supply rail against input transients and load variations. Use Value: Maintains ±0.36 V regulation window over temperature and life, supporting 16-bit data conversion accuracy. | Use Scenario: Clamping transient overvoltage on 28 V DC distribution buses in fighter aircraft avionics bays. IC Role / Device Role / Timing Role: Transient suppression element absorbing surge energy while holding bus voltage within safe limits. Use Value: Withstands repeated 100 V/10 ms surges without degradation due to hermetic seal and metallurgical bond integrity. |
| Military Radio Bias Supply | Spacecraft Thermal Sensor Interface |
Use Scenario: Generating clean bias voltage for RF power amplifier stages in handheld tactical radios operating from 24–32 V inputs. IC Role / Device Role / Timing Role: Low-noise Zener reference feeding LDO input to isolate RF noise from sensitive analog circuitry. Use Value: 1 µV/√Hz noise floor prevents AM sideband corruption in narrowband HF/VHF transmission paths. | Use Scenario: Supplying excitation current to platinum RTD sensors in deep-space probe thermal management subsystems. IC Role / Device Role / Timing Role: Precision current source driver using constant-voltage Zener drop across series resistor. Use Value: ±1% VZ tolerance ensures <±0.1 °C absolute temperature measurement error over -65 °C to +125 °C operational range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| JANS1N4122D-1 | JANS-level qualification (higher screening than JANTXV); identical electrical specs and DO-35 package. | Required for radiation-hardened spaceflight systems where total ionizing dose (TID) >100 krad(Si) is specified. | Select JANS1N4122D-1 only when full JANS screening per MIL-PRF-19500/435 is mandated by program requirements. |
| 1N4122UR-1 | Surface-mount DO-213AA package; same 36 V ±1%, 500 mW rating but no axial leads. | Suitable for automated SMT assembly lines; not compatible with through-hole PCB layouts or manual prototyping. | Choose 1N4122UR-1 when board space constraints or production volume justify rework of layout and assembly process. |
Compared with JANTXV1N4122D-1/TR, JANS1N4122D-1 adds radiation hardness and extended screening at higher cost and longer lead time, while 1N4122UR-1 trades axial-leaded flexibility for SMT manufacturability - neither is pin-compatible due to differing packages.
Availability
JANTXV1N4122D-1/TR is available at Aetrix Electronics and suitable for aerospace power reference, defense system voltage clamp, and military radio bias supply applications requiring stable component supply under extended lifecycle management.
Supply support for JANTXV1N4122D-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 analog and mixed-signal components for aerospace, defense, and industrial markets.
JANTXV1N4122D-1/TR belongs to Microsemi's legacy 1N4099–1N4135 family of MIL-qualified Zener diodes, engineered specifically for precision voltage regulation in harsh-environment electronic systems where parameter stability and long-term reliability are non-negotiable.
FAQ
What is the Zener voltage tolerance of JANTXV1N4122D-1/TR?
JANTXV1N4122D-1/TR has a Zener voltage tolerance of ±1%, indicated by the "D" suffix in its part number per Microsemi's nomenclature standard. This is confirmed in the Electrical Characteristics table on page 3 of T4-LDS-0245-2 Rev. 1, where VZ = 36 V at IZT = 250 mA with 1% tolerance. The tighter tolerance reduces calibration burden in precision reference designs compared to standard 5% variants.
Is JANTXV1N4122D-1/TR RoHS compliant?
Yes, JANTXV1N4122D-1/TR is RoHS compliant, as indicated by the "e3" suffix in its full designation. Per the "PART NOMENCLATURE" section on page 2 of T4-LDS-0245-2 Rev. 1, "e3" denotes RoHS-compliant annealed matte-tin plating, which applies to commercial-grade parts and is extended to JANTXV-level devices in this series.
What is the maximum reverse leakage current for JANTXV1N4122D-1/TR?
The maximum reverse leakage current (IR) for JANTXV1N4122D-1/TR is 10 µA at 28.8 V, as specified in the Electrical Characteristics table on page 3 of T4-LDS-0245-2 Rev. 1. This value reflects performance under rated conditions and supports low-quiescent-current design in battery-powered or standby-mode systems.
Does JANTXV1N4122D-1/TR have radiation hardness certification?
JANTXV1N4122D-1/TR is not certified for radiation hardness; however, Microsemi documents that the 1N4099–1N4135 series is "inherently radiation hard as described in Microsemi MicroNote 050." For formal radiation testing data (e.g., TID, SEE), the JANS-qualified variant JANS1N4122D-1 is required, which undergoes additional screening per MIL-PRF-19500/435.
What packaging option does JANTXV1N4122D-1/TR use?
JANTXV1N4122D-1/TR uses the hermetically sealed axial-leaded DO-35 (DO-204AH) glass package, as stated in the "MECHANICAL and PACKAGING" section on page 2 of T4-LDS-0245-2 Rev. 1. The "TR" suffix indicates tape-and-reel packaging per EIA-296 standard, enabling automated insertion during high-volume manufacturing.
JANTXV1N4122D-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):
- 36 V
- Tolerance:
- ±1%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 200 Ohms
- Current - Reverse Leakage @ Vr:
- 10 nA @ 27.4 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)
JANTXV1N4122D-1/TR FAQ
1.How can I place an order for JANTXV1N4122D-1/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTXV1N4122D-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 JANTXV1N4122D-1/TR reliable?
The price and inventory of JANTXV1N4122D-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 JANTXV1N4122D-1/TR is usually 5 days.
3.What payment methods are accepted for JANTXV1N4122D-1/TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTXV1N4122D-1/TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTXV1N4122D-1/TR?
JANTXV1N4122D-1/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTXV1N4122D-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 JANTXV1N4122D-1/TR?
For technical support, including JANTXV1N4122D-1/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTXV1N4122D-1/TR requirements.
6.How does Aetrix verify that JANTXV1N4122D-1/TR is sourced from the original manufacturer or authorized distributors?
All JANTXV1N4122D-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 JANTXV1N4122D-1/TR meets industry standards.
7.What is the process for return or replacement of JANTXV1N4122D-1/TR?
All JANTXV1N4122D-1/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANTXV1N4122D-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 JANTXV1N4122D-1/TR part is unused and in its original packaging.
Return procedure for JANTXV1N4122D-1/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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