My Inquiry
My Account
Microchip Technology JANTX1N4619D-1
- Part No.:
- JANTX1N4619D-1
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANTX1N4619D-1.pdf
- Description:
- DIODE ZENER 3V 500MW DO204AH
- Quantity:
- Payment:
- Shipping:
Inventory:4,538
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
JANTX1N4619D-1 from Microsemi is a 500 mW, 3.0 V Zener voltage regulator diode in DO-35 glass package, qualified to JANTX reliability level per MIL-PRF-19500/435, with 1% voltage tolerance, 1600 Ω dynamic impedance at 250 mA test current, and -0.075 %/°C temperature coefficient - used for precision voltage reference and regulation in military power supply monitoring circuits.
For engineers reviewing the JANTX1N4619D-1 datasheet, JANTX1N4619D-1 pinout, JANTX1N4619D-1 application, or JANTX1N4619D-1 equivalent, key selection criteria include Zener voltage accuracy (±1%), low noise density (1 µV/√Hz), hermetic DO-35 packaging, MIL-qualified thermal stability (-65 °C to +175 °C), and metallurgically bonded junction reliability.
Technical Context
This device operates as a reverse-biased Zener regulator with a nominal 3.0 V breakdown voltage at 250 mA test current (IZT), exhibiting a tightly controlled -0.075 %/°C temperature coefficient and 1600 Ω dynamic impedance (ZZT) - enabling stable reference generation across wide temperature ranges in high-reliability systems.
Its metallurgically bonded glass DO-35 construction ensures hermetic sealing, radiation hardness per MicroNote 050, and ESD insensitivity per MIL-STD-750 Method 1020 - supporting use in aerospace, defense, and downhole instrumentation where long-term parametric stability under thermal cycling and ionizing radiation is required.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 3.0 V ±1% at 250 mA - enables precise low-voltage reference without external trimming. |
| Power Dissipation | 500 mW at 25 °C, derated linearly to zero at 175 °C - supports operation in high-ambient environments with minimal heatsinking. |
| Dynamic Impedance ZZT | 1600 Ω at IZT = 250 mA - maintains regulation stability under moderate load transients. |
| Noise Density ND | 1 µV/√Hz - minimizes voltage reference noise in sensitive analog measurement front-ends. |
| Temp Coefficient αVZ | -0.075 %/°C - ensures predictable, monotonic drift over -65 °C to +175 °C operating range. |
| Reverse Leakage IR | 0.4 µA at VR = 3.0 V - guarantees low quiescent current in standby-regulation topologies. |
| Junction Temp Range | -65 °C to +175 °C - validated for extended-life deployment in harsh-environment avionics and space-grade electronics. |
Pinout & Package
DO-35 (DO-204AH) axial-leaded glass package with cathode indicated by band; operated with banded end positive relative to anode for Zener regulation. Hermetically sealed, tin-lead plated leads solderable per MIL-STD-750 Method 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reference ground node | Connected to system ground or lowest potential point in regulation loop; defines Zener bias polarity. |
| Cathode | Regulated output node | Banded terminal supplies stable 3.0 V reference when reverse-biased; must be held at higher potential than anode. |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 JANTX qualification | Validated reliability for mission-critical defense electronics with full lot traceability and screening. |
| Metallurgical bond construction | Eliminates interfacial delamination risk under thermal shock and mechanical vibration stress. |
| 1% Zener voltage tolerance | Reduces need for post-assembly calibration in precision reference designs. |
| Hermetic glass DO-35 package | Prevents moisture ingress and parameter shift over 20+ year field life in humid or corrosive atmospheres. |
| Radiation hardness | Meets total ionizing dose (TID) requirements per Microsemi MicroNote 050 for low-earth orbit applications. |
Applications
| Avionics Power Monitoring | Downhole Instrumentation Reference |
|---|---|
Use Scenario: Regulating and monitoring 28 V DC bus voltage in aircraft flight control systems using discrete resistor-divider + Zener clamp topology. IC Role / Device Role / Timing Role: Precision 3.0 V reference for ADC input scaling and comparator threshold setting. Use Value: Enables ±0.5% bus voltage measurement accuracy over -55 °C to +125 °C with no recalibration. | Use Scenario: Providing stable bias voltage for pressure transducer signal conditioning in oil/gas well logging tools exposed to 175 °C ambient. IC Role / Device Role / Timing Role: Low-drift Zener reference for op-amp gain-setting networks and sensor excitation. Use Value: Maintains <±2% reference error after 500 thermal cycles between -55 °C and +175 °C. |
| Military Radio RF Stage Bias | Satellite Payload Voltage Clamp |
Use Scenario: Setting gate bias for GaAs FET amplifiers in handheld tactical radios operating across extended temperature ranges. IC Role / Device Role / Timing Role: Low-noise 3.0 V Zener shunt regulator stabilizing amplifier operating point. Use Value: Limits RF stage gain variation to <0.3 dB over full military temperature range due to <1 µV/√Hz noise floor. | Use Scenario: Clamping secondary power rail voltage spikes during solar array transient events on LEO satellite payloads. IC Role / Device Role / Timing Role: Overvoltage protection element absorbing surge energy while maintaining 3.0 V regulation. Use Value: Withstands >10,000 cumulative surge events at 1.5× rated power without parameter shift per MIL-STD-750 Test Method 2019. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| JANTXV1N4619D-1 | Higher reliability screening (JANTXV level), tighter lot acceptance testing, lower defect rate. | Required for Class H/V spaceflight and nuclear command systems where failure probability must be <10⁻⁶. | Select when full MIL-PRF-19500/435 JANTXV qualification and extended burn-in are mandated. |
| 1N4619UR-1 | Same electrical specs but in DO-213AA surface-mount package; no axial leads. | Used where PCB real estate is constrained and automated SMT assembly is preferred over through-hole mounting. | Select for compact, high-density layouts requiring RoHS-compliant SMT placement without changing circuit function. |
Compared with JANTX1N4619D-1, JANTXV1N4619D-1 adds enhanced screening for ultra-high-reliability missions, while 1N4619UR-1 replaces axial leads with surface-mount terminations - both retain identical 3.0 V ±1% regulation, -0.075 %/°C TC, and 1 µV/√Hz noise performance.
Availability
JANTX1N4619D-1 is available at Aetrix Electronics and suitable for avionics power monitoring, downhole instrumentation reference, and military radio RF stage bias requiring stable component supply with full MIL-spec traceability and long-lifecycle support.
Supply support for JANTX1N4619D-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) is a U.S.-based semiconductor company specializing in high-reliability analog, mixed-signal, and radiation-hardened components for defense, aerospace, and industrial markets.
The 1N4614–1N4627 series was designed specifically to deliver precision, low-noise Zener regulation in hermetically sealed DO-35 packages meeting MIL-PRF-19500/435 for mission-critical voltage reference applications.
FAQ
What is the Zener voltage tolerance of JANTX1N4619D-1?
JANTX1N4619D-1 has a nominal Zener voltage of 3.0 V with ±1% tolerance, denoted by the "D" suffix in its part number per Microsemi's nomenclature. This tight tolerance eliminates the need for post-production calibration in precision reference circuits and is verified per MIL-PRF-19500/435 screening requirements for JANTX-level devices.
Is JANTX1N4619D-1 suitable for high-temperature operation?
Yes, JANTX1N4619D-1 is rated for junction temperatures from -65 °C to +175 °C and features linear power derating from 500 mW at 25 °C to zero at 175 °C. Its metallurgically bonded DO-35 construction and hermetic glass seal ensure parametric stability in downhole, avionics, and engine-control environments where sustained high-temperature operation is required.
Does JANTX1N4619D-1 meet radiation hardness requirements?
Yes, JANTX1N4619D-1 is inherently radiation hard per Microsemi MicroNote 050, having demonstrated resilience to total ionizing dose (TID) levels exceeding 100 krad(Si) without significant parameter shift - making it suitable for low-earth orbit satellite payloads and nuclear instrumentation where single-event effects and cumulative dose tolerance are critical.
What is the maximum Zener test current IZT for JANTX1N4619D-1?
The maximum Zener test current IZT for JANTX1N4619D-1 is 250 mA, as specified in Microsemi's T4-LDS-0245-2 datasheet. This current defines the operating point at which VZ = 3.0 V, ZZT = 1600 Ω, and αVZ = -0.075 %/°C are measured - and serves as the recommended bias condition for achieving specified regulation accuracy and thermal stability.
How does the noise density of JANTX1N4619D-1 compare to other Zener diodes in its voltage class?
JANTX1N4619D-1 delivers 1 µV/√Hz noise density at 250 mA test current - among the lowest in the 3 V Zener class. This outperforms standard 3.0 V Zeners (typically 5–10 µV/√Hz) and matches performance of higher-voltage references (>6.8 V), enabling high-resolution analog-to-digital conversion and low-drift sensor signal chains where reference noise directly limits system SNR.
JANTX1N4619D-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 V
- Tolerance:
- ±1%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 1600 Ohms
- Current - Reverse Leakage @ Vr:
- 400 nA @ 1 V
- Voltage - Forward (Vf) (Max) @ If:
- -
- Operating Temperature:
- -65°C ~ 175°C
- Grade:
- Military
- Qualification:
- MIL-PRF-19500/435
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AH (DO-35)
JANTX1N4619D-1 FAQ
1.How can I place an order for JANTX1N4619D-1 through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTX1N4619D-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 JANTX1N4619D-1 reliable?
The price and inventory of JANTX1N4619D-1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTX1N4619D-1 is usually 5 days.
3.What payment methods are accepted for JANTX1N4619D-1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTX1N4619D-1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTX1N4619D-1?
JANTX1N4619D-1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTX1N4619D-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 JANTX1N4619D-1?
For technical support, including JANTX1N4619D-1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTX1N4619D-1 requirements.
6.How does Aetrix verify that JANTX1N4619D-1 is sourced from the original manufacturer or authorized distributors?
All JANTX1N4619D-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 JANTX1N4619D-1 meets industry standards.
7.What is the process for return or replacement of JANTX1N4619D-1?
All JANTX1N4619D-1 units undergo pre-shipment inspection (PSI). If there is an issue with JANTX1N4619D-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 JANTX1N4619D-1 part is unused and in its original packaging.
Return procedure for JANTX1N4619D-1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTX1N4619D-1 Tags
-
MMBZ5240B-7-F
Diodes Incorporated
-
BZT52C5V6T-7
Diodes Incorporated
-
MMSZ5231B-7-F
Diodes Incorporated
-
BZT52C15-7-F
Diodes Incorporated
-
BZX84C3V3LT1G
onsemi
-
MMSZ5245BS-7-F
Diodes Incorporated
-
MMSZ4682T1G
onsemi
-
BZT52C15S-7-F
Diodes Incorporated
-
MM5Z5V1ST1G
onsemi
-
SMAJ4744A-TP
Micro Commercial Co
-
BZT52C3V6LP-7
Diodes Incorporated
-
SMAZ12-13-F
Diodes Incorporated
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
