Microchip Technology 1N6017UR-1/TR
- Part No.:
- 1N6017UR-1/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-213AA
- Datasheet:
-
1N6017UR-1/TR.pdf
- Description:
- DIODE ZENER 51V 500MW DO213AA
- Quantity:
- Payment:

- Shipping:

Inventory:6,424
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Product details
Overview
1N6017UR-1/TR from Microsemi is a surface-mount 51 V, 500 mW Zener diode in DO-213AA (SOD80) MELF package with ±5% voltage tolerance, 2 mA test current, and 9.8 Ω dynamic impedance at IZT; used for precision voltage regulation in power supply feedback loops and reference circuits.
For engineers reviewing the 1N6017UR-1/TR datasheet, 1N6017UR-1/TR pinout, 1N6017UR-1/TR application, or 1N6017UR-1/TR equivalent, key selection criteria include Zener voltage accuracy, thermal resistance (RθJA = 300 °C/W), low leakage (<0.1 µA at 41 V), radiation hardness, and RoHS-compliant matte-tin termination.
Technical Context
This device operates as a two-terminal voltage reference in reverse-biased breakdown mode, with regulation defined at IZT = 2 mA and VZ = 51 V ±5%. Its DO-213AA glass package provides hermetic sealing and inherent radiation hardness per MicroNote 050.
Dynamic impedance is measured at 1 kHz with 10% rms ac current superimposed on IZT, yielding ZZT = 9.8 Ω. Temperature coefficient is +0.096 %/°C, indicating stable positive drift over operating range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 51 V ±5% at IZT = 2 mA - defines nominal regulation point with tight tolerance for stable reference generation |
| Power Dissipation (PD) | 0.5 W at TA ≤ 25 °C - sets maximum continuous power handling on FR4 board with 1 oz Cu |
| Dynamic Impedance (ZZT) | 9.8 Ω at IZT = 2 mA - determines output impedance and regulation sensitivity to load current changes |
| Reverse Leakage (IR) | <0.1 µA at VR = 41 V - ensures minimal error current in high-impedance reference paths |
| Thermal Resistance (RθJA) | 300 °C/W - defines junction-to-ambient temperature rise per watt, critical for thermal design margin |
| Temp. Coefficient (αVZ) | +0.096 %/°C - quantifies voltage drift with temperature, enabling compensation in precision circuits |
| Junction Temp. Range | –65 to +175 °C - supports operation in extended industrial and aerospace environments |
Pinout & Package
DO-213AA (SOD80 or MLL34) MELF glass package: hermetically sealed, cylindrical, axial-symmetric, with cathode band marking. End-cap terminals are solderable per MIL-STD-750 Method 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Regulated output node | Connected to higher potential during Zener operation; polarity marker defines correct orientation for regulation |
| Anode (unbanded end) | Reference return node | Connected to lower potential (e.g., ground or feedback node); completes bias path for reverse conduction |
Key Features
| Feature | Design Value |
|---|---|
| Hermetic glass DO-213AA package | Enables operation up to +175 °C junction temperature and provides intrinsic radiation hardness per MicroNote 050 |
| RoHS-compliant matte-tin plating | Supports lead-free reflow (260 °C, 10 s) while maintaining solderability and corrosion resistance |
| Low dynamic impedance (9.8 Ω) | Minimizes output voltage variation under changing load currents in feedback and reference applications |
| ESD immunity (MIL-STD-750 Method 1020) | Eliminates need for external ESD protection in handling and assembly of sensitive analog circuits |
| Stable +0.096 %/°C tempco | Allows predictable voltage drift compensation in wide-temperature-range instrumentation designs |
Applications
| Switching Power Supply Feedback | Industrial Sensor Reference |
|---|---|
Use Scenario: Regulates output voltage in isolated flyback or forward converter feedback networks using optocoupler-coupled error amplifiers. IC Role / Device Role: Primary voltage reference establishing precise 51 V threshold for error signal generation. Use Value: Tight 5% tolerance and low ZZT ensure <±1% output regulation across line/load/temperature variations. | Use Scenario: Provides stable excitation voltage for bridge-based pressure or strain sensors in factory automation systems. IC Role / Device Role: Fixed reference source for ratiometric ADC biasing and sensor excitation circuitry. Use Value: Radiation hardness and –65 to +175 °C rating enable reliable operation in harsh industrial enclosures. |
| Medical Equipment Voltage Clamp | Aerospace Power Monitor |
Use Scenario: Clamps transient overvoltage on analog front-end inputs of patient monitoring devices to protect downstream amplifiers. IC Role / Device Role: Precision shunt clamp limiting input to 51 V ±5% during surge events. Use Value: Low leakage (<0.1 µA) prevents signal offset errors; glass package withstands sterilization thermal cycles. | Use Scenario: Serves as calibration reference in satellite power distribution unit (PDU) telemetry circuits. IC Role / Device Role: Radiation-hardened voltage standard for periodic self-test of ADC gain/offset calibration. Use Value: Inherent radiation tolerance eliminates need for shielding or derating in LEO missions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N6017UR-1 | Same electrical specs but in bulk (non-tape-and-reel) packaging; no TR suffix | Requires manual placement or non-automated assembly; unsuitable for high-volume SMT lines | Select 1N6017UR-1/TR when automated pick-and-place and reel-based logistics are required |
| BZX84-C51LT1G | 51 V ±5%, 300 mW SOT-23 package; ZZT = 70 Ω at IZT = 5 mA; RθJA = 350 °C/W | Higher impedance and lower power rating limit use in precision regulation; smaller footprint | Choose BZX84-C51LT1G only for space-constrained, non-critical biasing where 70 Ω ZZT is acceptable |
Compared with 1N6017UR-1/TR, the bulk 1N6017UR-1 lacks tape-and-reel support for SMT production, while BZX84-C51LT1G trades regulation precision and power capability for miniaturization-making 1N6017UR-1/TR optimal for high-stability, high-reliability 51 V reference needs.
Availability
1N6017UR-1/TR is available at Aetrix Electronics and suitable for switching power supply feedback, industrial sensor reference, and medical voltage clamp applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for 1N6017UR-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, radiation-hardened, and high-voltage analog components.
The 1N6017UR-1/TR belongs to Microsemi's legacy DO-213AA Zener series designed for military, aerospace, and industrial applications demanding extended temperature operation, hermetic reliability, and proven radiation tolerance.
FAQ
What is the Zener voltage tolerance of the 1N6017UR-1/TR?
The 1N6017UR-1/TR has a Zener voltage tolerance of ±5%, specified at IZT = 2 mA and TL = 30 °C. This corresponds to a regulated voltage range of 48.45 V to 53.55 V under nominal test conditions, supporting stable reference design in precision analog circuits.
Is the 1N6017UR-1/TR RoHS compliant?
Yes, the 1N6017UR-1/TR is RoHS compliant with matte-tin plating on its DO-213AA end caps, qualified for lead-free reflow up to 260 °C for 10 seconds. RoHS compliance applies only to commercial-grade versions; military-screened variants are not RoHS-compliant.
What is the maximum reverse leakage current for the 1N6017UR-1/TR?
The maximum reverse leakage current for the 1N6017UR-1/TR is 0.1 µA at VR = 41 V and TL = 30 °C. This ultra-low leakage ensures minimal error contribution in high-impedance reference and sensing applications where current draw must be minimized.
Does the 1N6017UR-1/TR have radiation hardness certification?
Yes, the 1N6017UR-1/TR exhibits inherent radiation hardness as documented in Microsemi MicroNote 050, attributable to its hermetically sealed glass DO-213AA package. It is widely deployed in aerospace and defense systems where total ionizing dose (TID) resilience is required.
What is the thermal resistance junction-to-ambient for the 1N6017UR-1/TR?
The thermal resistance junction-to-ambient (RθJA) for the 1N6017UR-1/TR is 300 °C/W when mounted on an FR4 PCB with 1 oz copper and the recommended footprint. This value guides thermal derating above 25 °C ambient to maintain safe junction temperatures within the –65 to +175 °C range.
1N6017UR-1/TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- DO-213AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 51 V
- Tolerance:
- -
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- -
- Current - Reverse Leakage @ Vr:
- -
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 200 mA
- Operating Temperature:
- -65°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-213AA
1N6017UR-1/TR FAQ
1.How can I place an order for 1N6017UR-1/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N6017UR-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 1N6017UR-1/TR reliable?
The price and inventory of 1N6017UR-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 1N6017UR-1/TR is usually 5 days.
3.What payment methods are accepted for 1N6017UR-1/TR?
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4.How is shipping managed for 1N6017UR-1/TR?
1N6017UR-1/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N6017UR-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 1N6017UR-1/TR?
For technical support, including 1N6017UR-1/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N6017UR-1/TR requirements.
6.How does Aetrix verify that 1N6017UR-1/TR is sourced from the original manufacturer or authorized distributors?
All 1N6017UR-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 1N6017UR-1/TR meets industry standards.
7.What is the process for return or replacement of 1N6017UR-1/TR?
All 1N6017UR-1/TR units undergo pre-shipment inspection (PSI). If there is an issue with 1N6017UR-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 1N6017UR-1/TR part is unused and in its original packaging.
Return procedure for 1N6017UR-1/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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