Microchip Technology 1N4567AE3/TR
- Part No.:
- 1N4567AE3/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
1N4567AE3/TR.pdf
- Description:
- DIODE ZENER 6.4V 500MW DO204AH
- Quantity:
- Payment:

- Shipping:

Inventory:9,616
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Product details
Overview
1N4567AE3/TR from Microsemi is a 6.4 V temperature-compensated Zener reference diode in DO-7 (DO-204AA) glass axial-leaded package, rated for 0.5 mA test current, ±0.002 %/°C temperature coefficient (±0.13 mV/°C), 200 Ω dynamic impedance, and operation from –65 °C to +175 °C. It delivers high-stability voltage reference for precision instrumentation and aerospace-grade analog circuits.
For engineers reviewing the 1N4567AE3/TR datasheet, 1N4567AE3/TR pinout, 1N4567AE3/TR application, or 1N4567AE3/TR equivalent, key selection criteria include its ultra-low TC, hermetic DO-7 packaging, MIL-PRF-19500/452 qualification readiness, and TR tape-and-reel availability for automated assembly.
Technical Context
This device belongs to Microsemi's zero-temperature-coefficient Zener series, where compensation is achieved via internal metallurgical bonding of two Zener junctions with opposing TCs. Its 6.4 V nominal voltage exploits the silicon bandgap crossover point, enabling intrinsic TC cancellation at low test currents.
The 1N4567AE3/TR operates at IZT = 0.5 mA with guaranteed VZ = 6.4 V ±5%, dynamic impedance ZZT ≤ 200 Ω, and reverse leakage IR ≤ 2.0 µA at 3 V - all specified over –65 °C to +175 °C storage and operating ranges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage | 6.4 V ±5% at IZT = 0.5 mA - provides stable mid-range reference compatible with standard analog supply rails. |
| Temp. Coefficient | ±0.002 %/°C (±0.13 mV/°C) - enables <0.15 mV drift over 0–75 °C, critical for metrology-grade references. |
| Zener Impedance | ≤200 Ω at IZT = 0.5 mA - ensures minimal output voltage shift under load transients in feedback networks. |
| Operating Current | 0.5 mA test current - optimized for low-power biasing in battery-operated or thermally constrained systems. |
| Package | DO-7 (DO-204AA) glass axial - hermetically sealed, MIL-qualified, ESD-insensitive per MIL-STD-750 Method 1020. |
| Temperature Range | –65 °C to +175 °C - supports deployment in downhole, avionics, and space-qualified electronics. |
Pinout & Package
DO-7 (DO-204AA) hermetically sealed glass package with axial leads; cathode identified by black band. Tin-lead plated leads compliant with MIL-STD-750 Method 2026. Weight: 0.2 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reference ground node | Connected to circuit common; reverse-biased operation requires cathode at higher potential. |
| Cathode | Reference output node | Banded end supplies stable 6.4 V when reverse-biased; polarity must be observed to avoid forward conduction. |
Key Features
| Feature | Design Value |
|---|---|
| Zero-TC architecture | Internal metallurgical bonding cancels thermal drift without external components or trimming. |
| MIL-PRF-19500/452 readiness | Add JAN/JANTX/JANTXV prefix + "-1" suffix for qualified versions - enables rapid military qualification path. |
| Tape-and-reel packaging | "TR" suffix denotes EIA-296 compliant reel - supports high-volume SMT placement despite axial form factor. |
| Negligible ESD sensitivity | Complies with MIL-STD-750 Method 1020 - eliminates need for handling precautions in production environments. |
Applications
| High-Precision ADC Reference | Aerospace Power Monitor |
|---|---|
Use Scenario: Providing reference voltage for 16-bit+ successive-approximation ADCs in satellite telemetry systems. IC Role / Device Role / Timing Role: Primary voltage reference source for analog front-end signal conditioning. Use Value: ±0.002 %/°C TC ensures <±0.1 mV drift across orbital thermal cycles, preserving measurement integrity. |
Use Scenario: Stabilizing feedback loop in radiation-hardened DC-DC converters on launch vehicle power distribution units. IC Role / Device Role / Timing Role: Precision shunt reference for error amplifier input in isolated flyback controllers. Use Value: Hermetic DO-7 package and –65 °C to +175 °C rating ensure reliability during cryogenic fuel loading and re-entry heating. |
| Downhole Sensor Calibration | Nuclear Instrumentation |
Use Scenario: Biasing bridge circuits in oil-well pressure transducers exposed to >150 °C ambient. IC Role / Device Role / Timing Role: Temperature-stable excitation reference for Wheatstone bridge sensors. Use Value: Low 0.5 mA IZT minimizes self-heating while maintaining sub-100 ppm/°C stability up to +175 °C. |
Use Scenario: Setting threshold voltages in pulse-height analyzers for gamma spectroscopy detectors. IC Role / Device Role / Timing Role: Stable reference for comparator trip points in high-resolution energy discrimination circuits. Use Value: 200 Ω ZZT and low noise enable <0.5 LSB reference uncertainty over 10-year field deployment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4567A-1TR | Same electrical specs but includes "-1" suffix indicating compliance with MIL-PRF-19500/452 Class V requirements. | Required for defense/aerospace programs mandating JANTXV-level screening and traceability. | Select 1N4567A-1TR when full military qualification documentation and lot traceability are contractually required. |
| LM399H | Monolithic buried-Zener IC with 2 ppm/°C TC, 6.95 V output, and internal heater; requires 10 mA bias and 2-pin TO-99 package. | Used where ultra-low TC (<1 ppm/°C) and long-term drift (<2 ppm/year) outweigh size, power, and cost constraints. | Choose LM399H only when sub-ppm stability justifies 5× higher cost, 20× higher power, and PCB real estate for heater control. |
Compared with 1N4567AE3/TR, the 1N4567A-1TR adds formal military qualification without altering performance, while the LM399H trades simplicity and low power for extreme stability - making the 1N4567AE3/TR optimal for ruggedized, cost-sensitive, low-power reference designs.
Availability
1N4567AE3/TR is available at Aetrix Electronics and suitable for high-reliability instrumentation, aerospace power monitoring, and downhole sensor calibration requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for 1N4567AE3/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 (now part of Microchip Technology) is a U.S.-based semiconductor company specializing in high-reliability, radiation-tolerant, and military-grade analog and mixed-signal components.
The 1N4567AE3/TR belongs to Microsemi's legacy Scottsdale Division Zener reference diode family, engineered specifically for applications demanding ultra-low temperature drift and hermetic reliability in harsh environments.
FAQ
What is the Zener test current for 1N4567AE3/TR?
The 1N4567AE3/TR is characterized at a Zener test current IZT of 0.5 mA, as confirmed in the Electrical Characteristics table. This low test current minimizes self-heating and supports stable operation in thermally isolated or low-power designs. The 1N4567AE3/TR maintains its ±0.002 %/°C temperature coefficient and 6.4 V ±5% tolerance specifically under this 0.5 mA condition.
Does 1N4567AE3/TR have military qualification?
The base 1N4567AE3/TR is not itself a qualified military part, but it is manufactured to the same process and specifications as the MIL-PRF-19500/452-compliant variants. Adding the JANTXV prefix and "-1" suffix (e.g., JANTXV1N4567AE3/TR-1) yields a fully screened and documented military-grade version. The 1N4567AE3/TR serves as the commercial foundation for these qualified derivatives.
What does the "TR" suffix mean in 1N4567AE3/TR?
The "TR" suffix in 1N4567AE3/TR indicates tape-and-reel packaging per EIA-296 standards, enabling automated pick-and-place assembly. This format includes moisture-sensitive packaging and standardized reel dimensions, supporting high-volume manufacturing. The "E3" denotes tin-lead plating per MIL-STD-750 Method 2026, ensuring solderability and corrosion resistance.
How does the temperature coefficient of 1N4567AE3/TR compare to standard Zeners?
The 1N4567AE3/TR achieves ±0.002 %/°C (±0.13 mV/°C), which is 5–10× lower than typical 5% tolerance Zeners (often ±0.01–0.05 %/°C). This ultra-low TC results from dual-junction temperature compensation within the DO-7 package - a feature absent in generic Zeners. Standard Zeners cannot replicate this level of thermal stability without external circuitry.
Can 1N4567AE3/TR replace 1N4567A in existing designs?
Yes - the 1N4567AE3/TR is a direct functional and mechanical replacement for 1N4567A, with identical electrical specifications, DO-7 package dimensions, and polarity marking. The "E3" plating improves solderability, and "TR" adds tape-and-reel compatibility; no layout or schematic changes are needed when migrating from 1N4567A to 1N4567AE3/TR.
1N4567AE3/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):
- 6.4 V
- Tolerance:
- ±5%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 200 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-204AH (DO-35)
1N4567AE3/TR FAQ
1.How can I place an order for 1N4567AE3/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N4567AE3/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 1N4567AE3/TR reliable?
The price and inventory of 1N4567AE3/TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N4567AE3/TR is usually 5 days.
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Once your 1N4567AE3/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 1N4567AE3/TR?
For technical support, including 1N4567AE3/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N4567AE3/TR requirements.
6.How does Aetrix verify that 1N4567AE3/TR is sourced from the original manufacturer or authorized distributors?
All 1N4567AE3/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 1N4567AE3/TR meets industry standards.
7.What is the process for return or replacement of 1N4567AE3/TR?
All 1N4567AE3/TR units undergo pre-shipment inspection (PSI). If there is an issue with 1N4567AE3/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 1N4567AE3/TR part is unused and in its original packaging.
Return procedure for 1N4567AE3/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1N4567AE3/TR Tags

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