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Microchip Technology JANTXV1N4621C-1
- Part No.:
- JANTXV1N4621C-1
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANTXV1N4621C-1.pdf
- Description:
- DIODE ZENER 3.6V 500MW DO204AH
- Quantity:
- Payment:
- Shipping:
Inventory:7,636
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Product details
Overview
JANTXV1N4621C-1 from Microsemi is a 500 mW, 3.6 V Zener diode in DO-35 glass package, qualified to JANTXV level per MIL-PRF-19500/435, with 2% voltage tolerance, 1700 Ω dynamic impedance at 250 mA test current, and -0.065 %/°C temperature coefficient - used for precision voltage reference and regulation in military-grade power supply monitoring circuits.
For engineers reviewing the JANTXV1N4621C-1 datasheet, JANTXV1N4621C-1 pinout, JANTXV1N4621C-1 application, or JANTXV1N4621C-1 equivalent, key selection criteria include Zener voltage tolerance (2%), thermal resistance (250 °C/W junction-to-lead), noise density (1 µV/√Hz), and MIL-qualified reliability level - all critical for high-stability analog references in aerospace and defense systems.
Technical Context
This device operates as a reverse-biased voltage regulator with metallurgically bonded construction for enhanced reliability. Its Zener voltage is specified at 3.6 V ±2% under 250 mA test current (IZT), with dynamic impedance of 1700 Ω and temperature coefficient of -0.065 %/°C - indicating stable low-voltage regulation across temperature extremes.
It exhibits minimal capacitance (typical <2 pF per Figure 3), low noise density (1 µV/√Hz), and is non-sensitive to ESD per MIL-STD-750 Method 1020. The DO-35 axial-leaded glass package ensures hermetic sealing and radiation hardness per Microsemi MicroNote 050.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 3.6 V ±2% at 250 mA - defines precise regulation point for low-voltage reference design |
| Power Dissipation | 500 mW at 25 °C, derated linearly to zero at 175 °C - sets maximum continuous operating power |
| Dynamic Impedance (ZZT) | 1700 Ω at IZT = 250 mA - determines output voltage stability under load variation |
| Temperature Coefficient | -0.065 %/°C - enables predictable voltage drift compensation in wide-temperature environments |
| Noise Density | 1 µV/√Hz - supports ultra-low-noise analog reference applications such as precision ADC biasing |
| Reverse Leakage (IR) | 2.0 µA at VR = 3.5 V - confirms tight leakage control for standby power integrity |
| Junction Temp Range | -65 °C to +175 °C - qualifies for extended-range operation in harsh military/aerospace platforms |
Pinout & Package
DO-35 (DO-204AH) axial-leaded glass package with cathode indicated by band; banded end is positive during Zener regulation. Hermetically sealed, tin-lead or RoHS-compliant matte-tin plating, ~0.2 g weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference ground | Connected to circuit ground or lower-potential node when regulating; establishes reference potential |
| Cathode | Zener regulation terminal / input for reverse bias | Banded end; connected to unregulated supply rail; maintains 3.6 V drop across load under breakdown |
Key Features
| Feature | Design Value |
|---|---|
| Metallurgical bond construction | Enables JANTXV qualification and long-term parameter stability under thermal cycling and vibration |
| 1 µV/√Hz noise density | Supports high-resolution analog signal chains where reference noise directly impacts measurement accuracy |
| MIL-PRF-19500/435 qualification | Guarantees screening, testing, and traceability required for flight-critical and defense electronics |
| Hermetic DO-35 glass package | Provides immunity to moisture ingress and atmospheric corrosion over 20+ year service life |
| 2% Zener voltage tolerance | Reduces need for post-calibration trimming in production test, lowering manufacturing cost |
Applications
| Avionics Power Monitoring | Spacecraft Onboard Computer Reference |
|---|---|
Use Scenario: Monitoring 5 V bus voltage in flight control computers using resistor-divider + comparator architecture. IC Role / Device Role / Timing Role: Precision 3.6 V Zener reference for comparator threshold setting. Use Value: 2% tolerance and -0.065 %/°C TC ensure <±15 mV drift over -55 °C to +125 °C, meeting DO-160E Section 22 thermal requirements. | Use Scenario: Providing stable bias for radiation-hardened op-amps in satellite telemetry conditioning circuits. IC Role / Device Role / Timing Role: Low-noise voltage reference for amplifier offset nulling and gain-setting networks. Use Value: 1 µV/√Hz noise density prevents degradation of sub-16-bit ADC effective resolution in low-power telemetry streams. |
| Tactical Radio RF Front-End Bias | Nuclear Facility Sensor Interface |
Use Scenario: Setting gate bias for GaN PA stages in handheld SDR transceivers operating across temperature extremes. IC Role / Device Role / Timing Role: Stable Zener clamp regulating bias voltage against supply ripple and thermal drift. Use Value: 1700 Ω dynamic impedance and 500 mW rating maintain <50 mV regulation error under 10–100 mA load transients. | Use Scenario: Calibrating gamma-ray detector front-end amplifiers exposed to high total ionizing dose (TID). IC Role / Device Role / Timing Role: Radiation-hardened reference source for gain calibration DACs and ADC references. Use Value: Inherent radiation hardness per MicroNote 050 eliminates need for shielding or derating in >100 krad(Si) environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| JANTXV1N4621US-1 | Same electrical specs but in DO-213AA surface-mount package; no axial leads | Required for automated SMT assembly; unsuitable for through-hole prototyping or manual repair | Select when board space constraints or reflow-only processes prohibit axial-leaded components |
| JANS1N4621C-1 | Identical electrical and mechanical specs, but qualified to JANS (highest MIL level) with additional screening | Required for mission-critical systems where burn-in, lot acceptance testing, and radiation assurance are mandated | Select only when JANS-level documentation, traceability, and extended reliability validation are contractually required |
Compared with JANTXV1N4621C-1, JANTXV1N4621US-1 offers identical regulation performance in a surface-mount form factor - enabling higher-density layouts but requiring reflow-compatible PCB design - while JANS1N4621C-1 adds full JANS screening without altering electrical behavior, making it suitable only where highest-tier qualification is mandatory.
Availability
JANTXV1N4621C-1 is available at Aetrix Electronics and suitable for avionics power monitoring, spacecraft onboard computer reference, and tactical radio RF front-end bias requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for JANTXV1N4621C-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) designs high-reliability analog and mixed-signal semiconductors for aerospace, defense, and industrial markets.
The 1N46xx-1 series was developed specifically for MIL-qualified voltage reference applications demanding hermetic packaging, radiation tolerance, and guaranteed parametric stability over extreme temperature and lifetime conditions.
FAQ
What is the Zener voltage tolerance of JANTXV1N4621C-1?
JANTXV1N4621C-1 has a nominal Zener voltage of 3.6 V with ±2% tolerance, as indicated by the "C" suffix in its part number per Microsemi's nomenclature. This tolerance is verified at 250 mA test current and 25 °C ambient, and remains stable across its qualified temperature range of -65 °C to +175 °C due to its metallurgical bond construction.
Is JANTXV1N4621C-1 RoHS compliant?
No, JANTXV1N4621C-1 is not RoHS compliant. Per Microsemi documentation, RoHS-compliant versions (suffix "e3") are available only for commercial-grade variants (blank reliability level), not for JANTXV-qualified parts. JANTXV1N4621C-1 uses traditional tin-lead plating to meet MIL-STD-750 solderability requirements.
What is the maximum Zener current (IZM) for JANTXV1N4621C-1?
The maximum Zener current (IZM) for JANTXV1N4621C-1 is 83.0 mA, calculated from its 500 mW power rating and 3.6 V Zener voltage (P = V × I). This value assumes operation at 25 °C lead temperature; derating applies above 50 °C per the linear curve in Figure 2 of the datasheet.
Does JANTXV1N4621C-1 have radiation hardness certification?
Yes, JANTXV1N4621C-1 is inherently radiation hard as documented in Microsemi MicroNote 050. Its metallurgically bonded DO-35 glass construction provides proven TID tolerance suitable for low-earth orbit and nuclear facility applications without requiring additional shielding or derating.
What is the thermal resistance junction-to-lead (RθJL) for JANTXV1N4621C-1?
JANTXV1N4621C-1 has a thermal resistance of 250 °C/W junction-to-lead when measured with 3/8 inch (10 mm) lead length from body, per MIL-PRF-19500/435 test conditions. This value enables accurate thermal modeling for heatsinking and layout in high-reliability power regulation circuits.
JANTXV1N4621C-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):
- 3.6 V
- Tolerance:
- ±2%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 1700 Ohms
- Current - Reverse Leakage @ Vr:
- 3.5 µA @ 2 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)
JANTXV1N4621C-1 FAQ
1.How can I place an order for JANTXV1N4621C-1 through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTXV1N4621C-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 JANTXV1N4621C-1 reliable?
The price and inventory of JANTXV1N4621C-1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTXV1N4621C-1 is usually 5 days.
3.What payment methods are accepted for JANTXV1N4621C-1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTXV1N4621C-1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTXV1N4621C-1?
JANTXV1N4621C-1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTXV1N4621C-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 JANTXV1N4621C-1?
For technical support, including JANTXV1N4621C-1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTXV1N4621C-1 requirements.
6.How does Aetrix verify that JANTXV1N4621C-1 is sourced from the original manufacturer or authorized distributors?
All JANTXV1N4621C-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 JANTXV1N4621C-1 meets industry standards.
7.What is the process for return or replacement of JANTXV1N4621C-1?
All JANTXV1N4621C-1 units undergo pre-shipment inspection (PSI). If there is an issue with JANTXV1N4621C-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 JANTXV1N4621C-1 part is unused and in its original packaging.
Return procedure for JANTXV1N4621C-1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTXV1N4621C-1 Tags
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MMBZ5240B-7-F
Diodes Incorporated
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