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Microchip Technology JANTX1N4626-1/TR
- Part No.:
- JANTX1N4626-1/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANTX1N4626-1/TR.pdf
- Description:
- DIODE ZENER 5.6V 500MW DO204AH
- Quantity:
- Payment:
- Shipping:
Inventory:3,130
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Product details
Overview
JANTX1N4626-1/TR from Microsemi is a 5.6 V, 500 mW metallurgically bonded glass Zener diode in DO-35 package, qualified to JANTX level per MIL-PRF-19500/435, with 5% voltage tolerance, 1400 Ω dynamic impedance at 250 mA test current, and 4.0 µA max reverse leakage at 4.2 V. It serves as a precision voltage reference in military-grade power regulation and analog signal conditioning circuits.
For engineers reviewing the JANTX1N4626-1/TR datasheet, JANTX1N4626-1/TR pinout, JANTX1N4626-1/TR application, or JANTX1N4626-1/TR equivalent, key selection criteria include its MIL-qualified reliability, low noise density (≤4 µV/√Hz), temperature coefficient of +0.04%/°C, and axial-leaded DO-35 mechanical compatibility for through-hole high-stability designs.
Technical Context
This device operates in reverse breakdown mode with cathode-banded polarity, requiring the banded end to be held positive relative to the anode for Zener regulation. Its metallurgical bond construction ensures stable junction characteristics across -65°C to +175°C operating range and inherent radiation hardness per Microsemi MicroNote 050.
Thermal resistance is rated at 250°C/W junction-to-lead (with 10 mm lead length) and 300°C/W junction-to-ambient on FR4 board, supporting linear derating from 500 mW at 25°C to zero at 175°C. Noise density is specified at 4 µV/√Hz under 250 mA Zener test current, falling rapidly below 6.8 V nominal devices.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 5.6 V ±5% at 250 mA - defines stable regulation point for reference and clamping |
| Power Dissipation | 500 mW @ 25°C - sets maximum continuous thermal load without derating |
| Dynamic Impedance ZZT | 1400 Ω @ 250 mA - determines output voltage stability under load variation |
| Reverse Leakage IR | 4.0 µA @ 4.2 V - ensures minimal parasitic current in standby or sensing paths |
| Temp Coefficient αVZ | -0.020 to +0.040 %/°C - quantifies voltage drift over military temperature range |
| Noise Density ND | ≤4 µV/√Hz @ IZT - critical for low-noise analog references and precision ADC biasing |
| Junction Temp Range | -65°C to +175°C - enables operation in aerospace, downhole, and defense environments |
Pinout & Package
DO-35 (DO-204AH) hermetically sealed axial-leaded glass package with tin-lead or RoHS-compliant matte-tin plating; cathode indicated by band; weight ≈ 0.2 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reverse-biased input terminal | Connected to lower-potential node during Zener operation; carries full regulator current |
| Cathode (banded) | Regulated output terminal | Provides stable 5.6 V reference when biased positively relative to anode |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 JANTX qualification | Guarantees screening, testing, and traceability for defense/aerospace use |
| Metallurgical bond construction | Ensures long-term parameter stability and reduced parameter shift under thermal cycling |
| Low noise density (≤4 µV/√Hz) | Supports high-resolution analog measurement systems without added filtering |
| Hermetic glass DO-35 package | Prevents moisture ingress and maintains reliability in harsh environmental conditions |
| Non-ESD-sensitive per MIL-STD-750 Method 1020 | Eliminates need for ESD handling controls during assembly and test |
Applications
| Aerospace Power Monitoring | Defense System Reference |
|---|---|
Use Scenario: Voltage supervision circuit in satellite power distribution unit monitoring 5 V rail integrity. IC Role / Device Role / Timing Role: Zener diode providing stable 5.6 V reference for comparator threshold generation. Use Value: JANTX-level qualification and -65°C to +175°C operation ensure reliability across orbital thermal cycles. | Use Scenario: Precision bias network in radar receiver front-end analog gain stages. IC Role / Device Role / Timing Role: Low-noise voltage reference stabilizing op-amp supply rails and bias points. Use Value: ≤4 µV/√Hz noise density prevents degradation of signal-to-noise ratio in RF analog chains. |
| Industrial Control Sensor Interface | Downhole Telemetry Conditioning |
Use Scenario: Excitation reference for 4–20 mA loop-powered pressure transducers in oilfield PLC modules. IC Role / Device Role / Timing Role: Regulator maintaining constant excitation voltage despite supply ripple and load variation. Use Value: 1400 Ω dynamic impedance ensures <±10 mV deviation over 1–10 mA load current range. | Use Scenario: Voltage clamp protecting analog telemetry inputs in high-temperature geothermal logging tools. IC Role / Device Role / Timing Role: Overvoltage protection element shunting transient spikes above 5.6 V. Use Value: Hermetic DO-35 package and 175°C junction rating sustain functionality at 150°C ambient wellbore temperatures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4626US-1 | Same electrical specs but in DO-213AA surface-mount package; no axial leads | Requires PCB rework for SMT assembly; unsuitable for through-hole prototyping or legacy repair | Select when space-constrained layouts or automated SMT production demand surface-mount form factor |
| JAN1N4626-1 | Identical electrical and mechanical specs but qualified only to JAN level (less stringent screening than JANTX) | Approved for less critical military subsystems where full JANTX screening is not mandated | Select when cost sensitivity outweighs requirement for extended burn-in and radiation lot acceptance testing |
Compared with JANTX1N4626-1/TR, the 1N4626US-1 offers identical regulation performance in a surface-mount footprint-ideal for miniaturized designs-while the JAN1N4626-1 provides equivalent baseline functionality at lower qualification cost for non-safety-critical applications.
Availability
JANTX1N4626-1/TR is available at Aetrix Electronics and suitable for aerospace power monitoring, defense system reference, and industrial control sensor interface applications requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for JANTX1N4626-1/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.
The 1N46xx-1 series was designed specifically to meet MIL-PRF-19500/435 requirements for high-stability, low-noise Zener regulation in mission-critical systems where parameter drift and long-term reliability are non-negotiable.
FAQ
What is the Zener voltage tolerance for JANTX1N4626-1/TR?
JANTX1N4626-1/TR has a nominal Zener voltage of 5.6 V with a ±5% tolerance, consistent with the standard JEDEC specification for the 1N4614–1N4627 family. This tolerance is verified at 250 mA test current and 25°C ambient, and applies across the full JANTX qualification temperature range of -65°C to +175°C.
Is JANTX1N4626-1/TR RoHS compliant?
No, JANTX1N4626-1/TR is not RoHS compliant. Per the nomenclature table in T4-LDS-0245-2 Rev. 1, RoHS compliance (suffix "e3") is available only on commercial-grade versions of this series-not on JAN, JANTX, JANTXV, or JANS variants. JANTX1N4626-1/TR uses traditional tin-lead plating per MIL-STD-750.
What is the maximum Zener test current for JANTX1N4626-1/TR?
The maximum Zener test current for JANTX1N4626-1/TR is 250 mA, as defined in the Electrical Characteristics table on page 3 of T4-LDS-0245-2. This current is used to measure VZ, ZZT, and other parameters under thermal equilibrium conditions at 25°C.
How does the temperature coefficient of JANTX1N4626-1/TR affect its voltage stability?
JANTX1N4626-1/TR has a temperature coefficient of -0.020 to +0.040 %/°C, meaning its Zener voltage may drift up to ±0.040 % per degree Celsius change from 25°C. At 100°C ambient, this translates to approximately ±22 mV total drift from nominal 5.6 V, which is acceptable for most military-grade reference applications.
Can JANTX1N4626-1/TR be used in surface-mount designs?
No, JANTX1N4626-1/TR is packaged exclusively in the axial-leaded DO-35 (DO-204AH) through-hole format. For surface-mount equivalents, Microsemi offers the 1N4626US-1 in DO-213AA package-but that part is not JANTX-qualified and lacks the same military screening and traceability as JANTX1N4626-1/TR.
JANTX1N4626-1/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):
- 5.6 V
- Tolerance:
- ±5%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 1400 Ohms
- Current - Reverse Leakage @ Vr:
- 10 µA @ 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)
JANTX1N4626-1/TR FAQ
1.How can I place an order for JANTX1N4626-1/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTX1N4626-1/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 JANTX1N4626-1/TR reliable?
The price and inventory of JANTX1N4626-1/TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTX1N4626-1/TR is usually 5 days.
3.What payment methods are accepted for JANTX1N4626-1/TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTX1N4626-1/TR transactions.
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4.How is shipping managed for JANTX1N4626-1/TR?
JANTX1N4626-1/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTX1N4626-1/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 JANTX1N4626-1/TR?
For technical support, including JANTX1N4626-1/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTX1N4626-1/TR requirements.
6.How does Aetrix verify that JANTX1N4626-1/TR is sourced from the original manufacturer or authorized distributors?
All JANTX1N4626-1/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 JANTX1N4626-1/TR meets industry standards.
7.What is the process for return or replacement of JANTX1N4626-1/TR?
All JANTX1N4626-1/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANTX1N4626-1/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 JANTX1N4626-1/TR part is unused and in its original packaging.
Return procedure for JANTX1N4626-1/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTX1N4626-1/TR Tags
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