My Inquiry
My Account
Microchip Technology 1N4584
- Part No.:
- 1N4584
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AA, DO-7, Axial
- Datasheet:
-
1N4584.pdf
- Description:
- DIODE ZENER 6.4V 500MW DO7
- Quantity:
- Payment:
- Shipping:
Inventory:9,501
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
1N4584 from Microsemi is a 6.4 V temperature-compensated Zener reference diode in DO-7 (DO-204AA) glass axial-leaded package, rated for 4.0 mA test current, 0.0005 %/°C temperature coefficient, 25 Ω dynamic impedance, and operation from –65 °C to +175 °C. It delivers ultra-stable voltage reference performance in precision instrumentation and military-grade analog circuits.
For engineers reviewing the 1N4584 datasheet, 1N4584 pinout, 1N4584 application, or 1N4584 equivalent, key selection criteria include its 6.4 V nominal Zener voltage with ±5% tolerance, ultra-low TC of 0.0005 %/°C, 4.0 mA operating current requirement, DO-7 hermetic glass package, and MIL-PRF-19500/452 qualification readiness via prefix/suffix options.
Technical Context
The 1N4584 implements a dual-junction temperature-compensated Zener structure to achieve near-zero voltage drift over temperature. Its 0.0005 %/°C TC is realized at 4.0 mA test current within the –55 °C to +100 °C range, with dynamic impedance stabilized at 25 Ω under those conditions.
This device operates as a two-terminal passive reference element with cathode-band polarity marking, requiring forward-biased connection (banded end positive) for reverse breakdown conduction. It is internally metallurgically bonded and rated for 500 mW power dissipation at 25 °C lead temperature, though optimal stability is achieved below 30 mW.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 6.4 V ±5% nominal - defines stable reference point for analog calibration and feedback loops |
| Zener Test Current (IZT) | 4.0 mA - required bias current to achieve specified VZ and minimum TC |
| Temperature Coefficient (αVZ) | 0.0005 %/°C - enables <0.03 mV/°C drift over –55 °C to +100 °C operating range |
| Dynamic Impedance (ZZT) | 25 Ω @ IZT - ensures minimal output voltage variation under load current transients |
| Max Reverse Current (IR) | 2.0 µA @ 3 V - confirms low leakage for high-impedance reference node integrity |
| Operating Temperature Range | –65 °C to +175 °C - supports deployment in aerospace, downhole, and extended-temperature industrial systems |
| Package | DO-7 (DO-204AA) - hermetically sealed glass axial-leaded package with tin-lead solderable leads |
Pinout & Package
DO-7 (DO-204AA) hermetically sealed glass package with axial leads; cathode identified by band. Leads are tin-lead plated per MIL-STD-750 Method 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reference ground return | Connected to circuit common; reverse-biased operation requires this terminal negative relative to cathode |
| Cathode | Reference voltage output | Banded end; supplies stable 6.4 V when reverse-biased at 4.0 mA; must be held positive relative to anode |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low temperature coefficient | 0.0005 %/°C enables sub-0.1 mV total drift across –55 °C to +100 °C for metrology-grade stability |
| Hermetic DO-7 glass package | Ensures long-term parameter stability and moisture resistance in harsh environments |
| MIL-PRF-19500/452 qualification path | Supports JANTX/JANTXV versions with "-1" suffix for defense and space applications |
| Internal metallurgical bonding | Improves thermal coupling between junctions to maintain TC accuracy under thermal cycling |
| Nonsensitive to ESD | Qualified per MIL-STD-750 Method 1020 - eliminates need for handling precautions during assembly |
Applications
| High-Accuracy Data Acquisition Systems | Aerospace Avionics Power Monitoring |
|---|---|
Use Scenario: Precision ADC/DAC reference in 16-bit+ data loggers used in environmental sensing. IC Role / Device Role / Timing Role: Two-terminal voltage reference providing stable 6.4 V基准 for analog front-end scaling. Use Value: 0.0005 %/°C TC and 25 Ω ZZT minimize gain error drift and noise coupling into signal chain. | Use Scenario: Bus voltage monitoring in flight control computers operating across –55 °C to +100 °C. IC Role / Device Role / Timing Role: Primary reference for comparator-based overvoltage/undervoltage detection circuits. Use Value: Hermetic DO-7 package and –65 °C to +175 °C rating ensure reliability in thermal shock-prone avionics bays. |
| Military Grade Power Supply Calibration | Downhole Oilfield Instrumentation |
Use Scenario: Factory calibration of programmable power supplies meeting MIL-STD-704 requirements. IC Role / Device Role / Timing Role: Traceable voltage standard used during production trim and verification. Use Value: JEDEC-registered 6.4 V ±5% and JANTXV qualification path support DoD compliance documentation. | Use Scenario: Reference source in pressure/temperature sensor transmitters deployed at >150 °C wellhead locations. IC Role / Device Role / Timing Role: Stable bias for analog signal conditioning before digitization and telemetry. Use Value: Operation up to +175 °C and low TC preserve measurement accuracy despite extreme ambient gradients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4574A | Same 6.4 V nominal and 0.0005 %/°C TC, but rated for 1.0 mA IZT and 100 Ω ZZT | Lower power operation; higher dynamic impedance limits use in fast transient environments | Select when lower bias current and relaxed impedance specs suffice |
| 1N4579A | Same 6.4 V nominal and 0.0005 %/°C TC, rated for 2.0 mA IZT and 50 Ω ZZT | Intermediate power/impedance trade-off; not rated for full –65 °C to +175 °C range | Choose where 2.0 mA bias is preferred and extended temperature is not required |
Compared with 1N4574A and 1N4579A, the 1N4584 offers the lowest dynamic impedance (25 Ω) at its 4.0 mA operating point and the widest temperature range (–65 °C to +175 °C), making it optimal for high-reliability, high-transient-stability applications demanding maximum thermal robustness.
Availability
1N4584 is available at Aetrix Electronics and suitable for precision instrumentation, aerospace avionics, and downhole oilfield electronics requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for 1N4584 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 (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 1N4565–1N4584 series belongs to Microsemi's legacy precision Zener reference diode product line, engineered specifically for applications demanding ultra-low temperature coefficients and hermetic packaging in mission-critical systems.
FAQ
What is the nominal Zener voltage and tolerance of the 1N4584?
The 1N4584 has a nominal Zener voltage of 6.4 V with a standard tolerance of ±5%. Tighter tolerances (e.g., ±1%, ±2%) are available by adding suffixes like "-1%" or "-2%" to the part number per Microsemi's ordering convention. This 6.4 V reference is optimized for temperature compensation and low-drift performance in the 1N4584 device.
What test current is required to achieve the specified 0.0005 %/°C temperature coefficient for the 1N4584?
The 1N4584 achieves its specified 0.0005 %/°C temperature coefficient only when operated at its rated Zener test current of 4.0 mA. Deviating from this current increases TC deviation; voltage measurements must be taken 15 seconds after applying the 4.0 mA DC current to ensure thermal stabilization in the 1N4584.
Is the 1N4584 available in military-grade qualified versions?
Yes - the 1N4584 can be ordered in military-qualified versions by adding appropriate prefixes and suffixes: JAN, JANTX, or JANTXV prefixes plus the "-1" suffix (e.g., JANTX1N4584A-1) to meet MIL-PRF-19500/452 requirements. These variants retain the same electrical specs and DO-7 package as the commercial 1N4584.
What is the maximum power dissipation rating for the 1N4584, and how does it relate to stable operation?
The 1N4584 is rated for 500 mW DC power dissipation at 25 °C lead temperature (TL). However, for optimal voltage-temperature stability, Microsemi specifies operation below 30 mW - meaning the 4.0 mA test current must be supplied at ≤7.5 V across the 1N4584 to stay within this low-power stability zone.
Does the 1N4584 have ESD sensitivity, and what standard applies?
No - the 1N4584 is nonsensitive to electrostatic discharge and is qualified per MIL-STD-750 Method 1020. This eliminates special ESD handling requirements during PCB assembly and makes the 1N4584 suitable for high-mix manufacturing environments without added protection protocols.
1N4584 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- DO-204AA, DO-7, Axial
- Packaging:
- Bulk
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 6.4 V
- Tolerance:
- ±5%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 25 Ohms
- Current - Reverse Leakage @ Vr:
- 2 µA @ 3 V
- Voltage - Forward (Vf) (Max) @ If:
- -
- Operating Temperature:
- -65°C ~ 175°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-7
1N4584 FAQ
1.How can I place an order for 1N4584 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N4584 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 1N4584 reliable?
The price and inventory of 1N4584 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N4584 is usually 5 days.
3.What payment methods are accepted for 1N4584?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N4584 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1N4584?
1N4584 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N4584 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 1N4584?
For technical support, including 1N4584 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N4584 requirements.
6.How does Aetrix verify that 1N4584 is sourced from the original manufacturer or authorized distributors?
All 1N4584 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 1N4584 meets industry standards.
7.What is the process for return or replacement of 1N4584?
All 1N4584 units undergo pre-shipment inspection (PSI). If there is an issue with 1N4584, 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 1N4584 part is unused and in its original packaging.
Return procedure for 1N4584:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1N4584 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…
