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Microchip Technology 1N4130/TR
- Part No.:
- 1N4130/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AA, DO-7, Axial
- Datasheet:
-
1N4130/TR.pdf
- Description:
- DIODE ZENER 68V 500MW DO7
- Quantity:
- Payment:
- Shipping:
Inventory:6,514
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Product details
Overview
1N4130/TR from Microsemi is a 500 mW, 68 V, ±5% tolerance metallurgically bonded glass Zener diode in DO-35 (DO-204AH) axial package, qualified to JANTXV level per MIL-PRF-19500/435, with dynamic impedance of 700 Ω at 250 mA and max noise density of 1 µV/√Hz - used for precision voltage regulation in aerospace power conditioning circuits.
For engineers reviewing the 1N4130/TR datasheet, 1N4130/TR pinout, 1N4130/TR application, or 1N4130/TR equivalent, this page delivers verified Zener voltage, thermal derating behavior, mil-spec qualification level, noise performance, and RoHS-compliant commercial availability - critical for high-reliability analog reference and overvoltage clamp design.
Technical Context
This Zener diode operates in reverse breakdown with cathode-banded polarity, requiring biasing with banded end positive relative to anode. Its metallurgical bond construction ensures stable regulation across -65 °C to +175 °C junction temperature range and inherent radiation hardness per MicroNote 050.
It exhibits low capacitance (typical <2 pF at 0 V), minimal ESD sensitivity (MIL-STD-750 Method 1020), and linear power derating from 500 mW at 25 °C to zero at 175 °C on standard FR4 board - enabling use in low-noise analog references and transient-suppressed voltage rails.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 68 V ±5% at 250 mA - defines stable regulation point for precision reference generation |
| Power Dissipation | 500 mW at 25 °C, derated linearly to zero at 175 °C - sets maximum continuous thermal load on PCB |
| Dynamic Impedance ZZT | 700 Ω at IZT = 250 mA - determines output voltage variation under load current changes |
| Noise Density | 1 µV/√Hz - enables low-noise operation in sensitive analog signal chains |
| Reverse Leakage IR | ≤0.01 µA at 51 V - ensures minimal parasitic current in high-impedance bias networks |
| Temp Coefficient αVZ | +0.100 %/°C - quantifies voltage drift with ambient temperature change |
| Junction Temp Range | -65 °C to +175 °C - supports operation in extreme environmental conditions |
Pinout & Package
DO-35 (DO-204AH) axial-leaded hermetically sealed glass package; cathode indicated by single black band; anode is unmarked lead; weight ≈ 0.2 g; lead length 25.4–38.1 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Regulated output node | Connected to higher potential; Zener conduction occurs when cathode voltage exceeds anode by ≥68 V |
| Anode (unbanded end) | Reference return path | Typically tied to system ground or lower-potential rail; completes reverse-bias current path |
Key Features
| Feature | Design Value |
|---|---|
| Metallurgical bond construction | Ensures long-term parameter stability and resistance to thermal cycling fatigue in mission-critical systems |
| JANTXV qualification | Validated reliability for aerospace and defense applications per MIL-PRF-19500/435 screening requirements |
| Low noise density | 1 µV/√Hz enables use in precision analog references without added filtering overhead |
| Hermetic glass sealing | Prevents moisture ingress and parametric shift over decades of field operation |
| ESD insensitivity | Non-sensitive per MIL-STD-750 Method 1020 - simplifies handling and eliminates need for special ESD controls |
Applications
| Aerospace Power Reference | Defense System Clamp |
|---|---|
Use Scenario: Providing stable 68 V reference for ADC biasing and sensor excitation in satellite telemetry modules. IC Role / Device Role / Timing Role: Zener diode operating in reverse breakdown to deliver fixed voltage reference independent of supply variation. Use Value: Maintains ±0.34 V regulation accuracy over -55 °C to +125 °C ambient due to known +0.100 %/°C tempco and JANTXV-level screening. | Use Scenario: Clamping transient overvoltages on 48 V vehicle power bus in armored vehicle electronics. IC Role / Device Role / Timing Role: Voltage-limiting element shunting surge energy to ground during load dump events. Use Value: Withstands 500 mW peak dissipation and operates reliably up to +175 °C junction temperature during sustained transients. |
| Industrial Sensor Excitation | Medical Imaging Bias Supply |
Use Scenario: Generating precise excitation voltage for strain gauge bridges in oilfield downhole instrumentation. IC Role / Device Role / Timing Role: Low-noise Zener reference source feeding op-amp-based constant-current drivers. Use Value: 1 µV/√Hz noise density prevents degradation of microvolt-level bridge output resolution. | Use Scenario: Stabilizing high-voltage bias for photomultiplier tube (PMT) arrays in PET scanner detector modules. IC Role / Device Role / Timing Role: Regulation element maintaining stable PMT gain control voltage under varying load conditions. Use Value: Hermetic DO-35 package and radiation-hardened structure ensure no parametric drift in gamma-rich environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4130US | Same electrical specs but in surface-mount DO-213AA package; no axial leads | Requires SMT reflow process; unsuitable for through-hole prototyping or high-vibration mechanical mounting | Select 1N4130US only when board space constraints mandate SMT and thermal pad layout supports 250 °C solder profile |
| 1N4130-1 | Identical DO-35 package and electrical specs; differs only in part suffix indicating JAN-level qualification instead of JANTXV | Lower screening rigor; not approved for flight-critical subsystems requiring JANTXV traceability | Choose 1N4130-1 only for non-mission-critical ground support equipment where cost sensitivity outweighs full mil-spec compliance |
Compared with 1N4130US and 1N4130-1, the 1N4130/TR offers JANTXV qualification with full MIL-PRF-19500/435 test documentation, tape-and-reel packaging for automated assembly, and guaranteed 68 V regulation within ±5% - making it the sole choice for production aerospace hardware requiring audit-ready component traceability.
Availability
1N4130/TR is available at Aetrix Electronics and suitable for aerospace power reference, defense system clamp, and industrial sensor excitation applications requiring stable component supply, full mil-spec traceability, and RoHS-compliant commercial-grade variants.
Supply support for 1N4130/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 analog and mixed-signal semiconductors for aerospace, defense, and industrial markets.
The 1N4130/TR belongs to Microsemi's legacy 500 mW mil-qualified Zener diode family, engineered specifically for voltage regulation in harsh-environment electronics where long-term stability, radiation tolerance, and military screening are mandatory.
FAQ
What is the Zener voltage tolerance of the 1N4130/TR?
The 1N4130/TR has a nominal Zener voltage of 68 V with a tolerance of ±5% at 250 mA test current, as specified in the Microsemi T4-LDS-0245-2 datasheet. This tolerance applies under thermal equilibrium conditions at 25 °C ambient and defines the allowable deviation in regulation voltage across production lots.
Is the 1N4130/TR RoHS compliant?
Yes, the 1N4130/TR is RoHS compliant, indicated by the "e3" suffix in its full JEDEC designation (1N4130-1e3). RoHS compliance applies to commercial-grade versions only and covers lead-free annealed matte-tin plating per MIL-STD-750 Method 2026.
What is the maximum junction temperature rating for the 1N4130/TR?
The 1N4130/TR has a junction and storage temperature range of -65 °C to +175 °C, as confirmed in the Absolute Maximum Ratings table of the official Microsemi datasheet. This wide range supports deployment in extended-temperature avionics and downhole industrial systems.
Does the 1N4130/TR require heatsinking in typical applications?
No, the 1N4130/TR does not require external heatsinking under standard conditions. Its 500 mW power rating is designed for operation with 3/8 inch (10 mm) lead length from body on FR4 board, achieving RθJL = 250 °C/W - sufficient for most low-duty-cycle regulation tasks without added thermal mass.
How is polarity marked on the 1N4130/TR package?
The 1N4130/TR uses a single black band on the glass DO-35 body to indicate the cathode terminal. The diode must be operated with the banded end held at a higher potential than the unbanded (anode) end to achieve Zener regulation - reverse-biasing the junction as intended.
1N4130/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):
- 68 V
- Tolerance:
- ±5%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 700 Ohms
- Current - Reverse Leakage @ Vr:
- 10 nA @ 51.68 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)
1N4130/TR FAQ
1.How can I place an order for 1N4130/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N4130/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 1N4130/TR reliable?
The price and inventory of 1N4130/TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N4130/TR is usually 5 days.
3.What payment methods are accepted for 1N4130/TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N4130/TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1N4130/TR?
1N4130/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N4130/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 1N4130/TR?
For technical support, including 1N4130/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N4130/TR requirements.
6.How does Aetrix verify that 1N4130/TR is sourced from the original manufacturer or authorized distributors?
All 1N4130/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 1N4130/TR meets industry standards.
7.What is the process for return or replacement of 1N4130/TR?
All 1N4130/TR units undergo pre-shipment inspection (PSI). If there is an issue with 1N4130/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 1N4130/TR part is unused and in its original packaging.
Return procedure for 1N4130/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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