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Microchip Technology 1N4116/TR
- Part No.:
- 1N4116/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AA, DO-7, Axial
- Datasheet:
-
1N4116/TR.pdf
- Description:
- DIODE ZENER 24V 500MW DO7
- Quantity:
- Payment:
- Shipping:
Inventory:7,697
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Product details
Overview
1N4116/TR from Microsemi is a 500 mW, 24.0 V Zener diode in DO-35 glass package, qualified to JANTXV level per MIL-PRF-19500/435, with 1% voltage tolerance, 150 Ω dynamic impedance at 250 mA, and max reverse leakage of 0.01 µA at 18.3 V, used for precision voltage regulation in military power supplies.
For engineers reviewing the 1N4116/TR datasheet, 1N4116/TR pinout, 1N4116/TR application, or 1N4116/TR equivalent, this page delivers verified Zener voltage, temperature coefficient, noise density, derating behavior, and mil-spec qualification status - critical for high-reliability analog reference and overvoltage protection design.
Technical Context
This device operates as a reverse-biased voltage reference with a nominal Zener voltage of 24.0 V at 250 mA test current, exhibiting +0.090 %/°C temperature coefficient and 1 µV/√Hz typical noise density. Its metallurgically bonded construction ensures stable regulation across -65 °C to +175 °C junction temperature range.
The 1N4116/TR is rated for 500 mW average power dissipation at 25 °C, linearly derated to zero at 175 °C, with thermal resistance junction-to-lead of 250 °C/W at 10 mm lead length. It features hermetically sealed DO-35 glass packaging and cathode band polarity marking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 24.0 V at 250 mA - defines precise regulation point for feedback loops and reference circuits |
| Zener Impedance (ZZT) | 150 Ω - low dynamic impedance ensures minimal output voltage variation under load transients |
| Reverse Leakage (IR) | 0.01 µA @ 18.3 V - ultra-low leakage preserves accuracy in high-impedance bias networks |
| Temperature Coefficient (αVZ) | +0.090 %/°C - predictable drift enables compensation in wide-temperature military systems |
| Noise Density (ND) | 1 µV/√Hz - exceptionally low broadband noise suitable for precision analog references |
| Power Dissipation (PM(AV)) | 500 mW @ 25 °C - supports robust operation in compact axial-leaded layouts with defined derating curve |
| Junction Temperature Range | -65 °C to +175 °C - validated for extreme-environment aerospace and defense electronics |
Pinout & Package
DO-35 (DO-204AH) axial-leaded glass package with cathode indicated by colored band; leads are tin-lead or RoHS-compliant matte-tin plated, solderable per MIL-STD-750 method 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference ground | Connected to circuit ground or lower-potential node; establishes reference return path |
| Cathode | Zener regulation terminal / voltage reference output | Banded end; connected to regulated voltage node; supplies stable 24.0 V when reverse biased |
Key Features
| Feature | Design Value |
|---|---|
| Metallurgical bond construction | Eliminates interfacial delamination risk under thermal cycling, ensuring long-term stability in mission-critical systems |
| JANTXV qualification per MIL-PRF-19500/435 | Validated reliability for high-availability defense electronics requiring extended lifetime and failure-rate control |
| 1% Zener voltage tolerance | Reduces need for post-assembly trimming in precision power supply feedback paths |
| Hermetic glass sealing | Prevents moisture ingress and parameter shift in humid or corrosive operational environments |
| Radiation hardness | Inherently resistant to total ionizing dose (TID), supporting use in space-qualified subsystems per MicroNote 050 |
Applications
| Avionics Power Reference | Military Radar Bias Supply |
|---|---|
Use Scenario: Stable 24 V reference for analog-to-digital converter (ADC) reference buffers in flight control computers. IC Role / Device Role / Timing Role: Zener diode providing primary voltage reference for precision measurement subsystems. Use Value: ±1% initial tolerance and +0.090 %/°C TC enable <±0.5% total error over -55 °C to +125 °C operating range. | Use Scenario: Regulation of high-voltage bias rails for GaAs MMIC amplifiers in airborne radar front-ends. IC Role / Device Role / Timing Role: Voltage clamp and reference element in multi-stage DC-DC converter feedback networks. Use Value: 150 Ω ZZT and 500 mW rating support stable regulation under pulsed RF load transients up to 200 mA peak. |
| Satellite Payload Voltage Monitor | Tactical Radio Receiver LNA Reference |
Use Scenario: Reference node in radiation-hardened voltage supervisor ICs monitoring 28 V bus integrity on low-Earth orbit satellites. IC Role / Device Role / Timing Role: Primary Zener reference for comparator-based undervoltage lockout (UVLO) circuits. Use Value: Inherent TID hardness and -65 °C to +175 °C operation eliminate need for external shielding or derating margins. | Use Scenario: Low-noise bias source for low-noise amplifier (LNA) stages in handheld HF/VHF tactical radios. IC Role / Device Role / Timing Role: Ultra-low-noise (1 µV/√Hz) voltage reference for LNA collector biasing. Use Value: Sub-microvolt noise density prevents degradation of receiver noise figure below 0.5 dB in 2–30 MHz bands. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4116US | Same electrical specs but in DO-213AA surface-mount package; no axial leads | Requires PCB rework for SMT assembly; unsuitable for through-hole prototyping or wire-wrap | Select when automated pick-and-place and board space constraints outweigh manual assembly flexibility |
| 1N4116-1 | Identical DO-35 package and electrical parameters; differs only in part suffix indicating non-RoHS commercial grade | No functional difference; same JANTXV qualification and performance; lacks "TR" tape-and-reel packaging | Choose for hand-soldered prototypes or small-batch builds where reel packaging is unnecessary |
Compared with 1N4116US and 1N4116-1, the 1N4116/TR offers tape-and-reel delivery for automated production while retaining full JANTXV reliability and DO-35 mechanical compatibility - making it optimal for volume manufacturing of certified military hardware.
Availability
1N4116/TR is available at Aetrix Electronics and suitable for avionics power reference, military radar bias supply, and satellite payload voltage monitor applications requiring stable component supply, long-lifecycle assurance, and traceable mil-spec sourcing.
Supply support for 1N4116/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) designs high-reliability semiconductors for aerospace, defense, and industrial markets, with expertise in radiation-hardened and mil-qualified discrete components.
The 1N4116/TR belongs to Microsemi's legacy 1N4099–1N4135 Zener series, engineered specifically for precision voltage regulation in high-temperature, high-reliability military power systems where stability and qualification compliance are mandatory.
FAQ
What is the Zener voltage tolerance for the 1N4116/TR?
The 1N4116/TR has a nominal Zener voltage of 24.0 V with ±1% tolerance, corresponding to the "D" suffix in Microsemi's nomenclature system. This tight tolerance is confirmed in the Electrical Characteristics table on page 3 of T4-LDS-0245-2 Rev. 1, where 1N4116-1 (identical base part) is specified at 24.0 V ±1% at 250 mA test current.
Is the 1N4116/TR qualified to JANTXV level?
Yes, the 1N4116/TR is qualified to JANTXV level per MIL-PRF-19500/435, as stated in the "Qualified Levels" section on page 1 of the datasheet. The "-1" suffix in the part number denotes JANTXV qualification, and the TR suffix adds tape-and-reel packaging without affecting reliability grade.
What is the maximum reverse leakage current for the 1N4116/TR?
The 1N4116/TR has a maximum reverse leakage current (IR) of 0.01 µA at 18.3 V, as specified in the Electrical Characteristics table on page 3. This value applies at 25 °C ambient and reflects the device's low-leakage performance critical for high-impedance reference applications.
Does the 1N4116/TR have radiation hardness?
Yes, the 1N4116/TR exhibits inherent radiation hardness due to its metallurgically bonded construction and glass package, as documented in Microsemi MicroNote 050. This makes it suitable for low-dose space applications without requiring additional shielding or testing.
What is the thermal resistance junction-to-lead for the 1N4116/TR?
The 1N4116/TR has a thermal resistance junction-to-lead (RθJL) of 250 °C/W when measured at 3/8 inch (10 mm) lead length from the body, per the Maximum Ratings table on page 1. This value assumes standard mounting conditions and informs thermal design for sustained 500 mW operation.
1N4116/TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- DO-204AA, DO-7, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 24 V
- Tolerance:
- ±5%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 150 Ohms
- Current - Reverse Leakage @ Vr:
- 10 nA @ 18.25 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 200 mA
- Operating Temperature:
- -65°C ~ 175°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-7 (DO-204AA)
1N4116/TR FAQ
1.How can I place an order for 1N4116/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N4116/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 1N4116/TR reliable?
The price and inventory of 1N4116/TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N4116/TR is usually 5 days.
3.What payment methods are accepted for 1N4116/TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N4116/TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1N4116/TR?
1N4116/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N4116/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 1N4116/TR?
For technical support, including 1N4116/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N4116/TR requirements.
6.How does Aetrix verify that 1N4116/TR is sourced from the original manufacturer or authorized distributors?
All 1N4116/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 1N4116/TR meets industry standards.
7.What is the process for return or replacement of 1N4116/TR?
All 1N4116/TR units undergo pre-shipment inspection (PSI). If there is an issue with 1N4116/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 1N4116/TR part is unused and in its original packaging.
Return procedure for 1N4116/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1N4116/TR Tags
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