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Microchip Technology JANS1N4100-1/TR
- Part No.:
- JANS1N4100-1/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANS1N4100-1/TR.pdf
- Description:
- DIODE ZENER 7.5V 500MW DO204AH
- Quantity:
- Payment:
- Shipping:
Inventory:2,638
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Product details
Overview
JANS1N4100-1/TR from Microsemi is a 500 mW, 7.5 V Zener voltage regulator diode in DO-35 glass package, qualified to JANS level per MIL-PRF-19500/435 for high-reliability aerospace and defense applications. It delivers ±5% Zener tolerance, 200 Ω dynamic impedance at 250 mA test current, and operates across –65 °C to +175 °C junction temperature range.
For engineers reviewing the JANS1N4100-1/TR datasheet, JANS1N4100-1/TR pinout, JANS1N4100-1/TR application, or JANS1N4100-1/TR equivalent, key selection criteria include military-grade reliability qualification, low-noise regulation (1 µV/√Hz typical), thermal derating behavior, and axial-leaded DO-35 mechanical compatibility with legacy through-hole designs.
Technical Context
This device functions as a precision shunt voltage reference in feedback loops and overvoltage protection circuits. Its metallurgically bonded construction ensures stable Zener voltage under radiation exposure and thermal cycling, with temperature coefficient of +0.065 %/°C confirmed for the 7.5 V nominal rating.
The JANS1N4100-1/TR exhibits 1.0 µA maximum reverse leakage at 5.7 V, supports up to 40 mA maximum Zener current, and maintains <1 pF capacitance - critical for RF biasing and low-jitter timing references where parasitic loading must be minimized.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 7.5 V ±5% at 250 mA - sets precise regulation point for power supply feedback or reference generation |
| Power Dissipation | 500 mW at 25 °C lead temperature - defines maximum continuous DC power handling before thermal derating begins |
| Dynamic Impedance ZZT | 200 Ω at 250 mA - determines output voltage stability under load transients |
| Reverse Leakage IR | 1.0 µA at 5.7 V - ensures minimal error current in high-impedance reference paths |
| Noise Density | 1 µV/√Hz - enables use in low-noise analog references and precision instrumentation |
| Temp Coefficient αVZ | +0.065 %/°C - quantifies voltage drift over operating temperature range |
| Junction Temp Range | –65 °C to +175 °C - supports operation in extreme environmental conditions without parameter shift |
Pinout & Package
DO-35 (DO-204AH) hermetically sealed axial-leaded glass package with cathode band marking; leads are tin-lead or RoHS-compliant matte-tin plated, solderable per MIL-STD-750 method 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reference ground node | Connected to circuit common; establishes return path for Zener current |
| Cathode | Regulated output node | Banded end; supplies stable 7.5 V when reverse-biased above breakdown threshold |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 JANS qualification | Validated for spaceflight, avionics, and nuclear-hardened systems requiring highest reliability tier |
| Metallurgical bond construction | Eliminates interfacial delamination risk under thermal shock and vibration stress |
| Low noise density (1 µV/√Hz) | Enables direct use in sensitive analog front-ends without external filtering |
| Hermetic glass sealing | Prevents moisture ingress and long-term parameter drift in humid or corrosive environments |
| ESD immunity per MIL-STD-750 method 1020 | Withstands human-body-model discharges without degradation or parametric shift |
Applications
| Avionics Power Monitoring | Satellite Onboard Computer Reference |
|---|---|
Use Scenario: Regulating auxiliary rail voltage in flight control electronics with wide ambient temperature swings. IC Role / Device Role / Timing Role: Shunt voltage reference providing stable 7.5 V feedback to DC-DC controller. Use Value: Maintains regulation accuracy within ±5% across –55 °C to +125 °C, supporting MIL-STD-810G environmental compliance. | Use Scenario: Biasing precision ADCs and DACs in radiation-exposed satellite subsystems. IC Role / Device Role / Timing Role: Low-noise, radiation-hardened voltage reference for analog signal conditioning. Use Value: Delivers 1 µV/√Hz noise floor and inherent TID hardness per MicroNote 050, eliminating need for shielding or redundancy. |
| Nuclear Instrumentation Front-End | Tactical Radio RF Stage Biasing |
Use Scenario: Providing stable bias to gamma-ray detector preamplifiers in reactor monitoring systems. IC Role / Device Role / Timing Role: Low-capacitance (≈0.8 pF) Zener reference minimizing signal coupling into high-gain analog stages. Use Value: Sub-1 pF capacitance prevents instability in >100 MHz bandwidth amplifiers while maintaining ±5% regulation tolerance. | Use Scenario: Setting gate bias for GaAs FETs in S-band transmitter final stages. IC Role / Device Role / Timing Role: Temperature-stable DC bias source compensating for FET threshold drift. Use Value: +0.065 %/°C tempco matches GaAs FET VGS drift profile, reducing gain variation over –40 °C to +85 °C. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| JANTXV1N4100-1 | Same electrical specs but qualified only to JANTXV level; lower screening rigor than JANS | Acceptable for high-reliability ground-based systems where full JANS radiation testing not required | Select when cost sensitivity outweighs need for full space-qualified screening |
| 1N4100US-TR | Surface-mount DO-213AA package; identical Zener parameters but different thermal resistance (RθJL = 350 °C/W vs. 250 °C/W) | Used in compact PCB layouts where axial leads are incompatible with automated assembly | Select when board space constraints mandate SMT placement and thermal margin allows higher RθJL |
Compared with JANS1N4100-1/TR, JANTXV1N4100-1 offers reduced qualification cost for non-space programs, while 1N4100US-TR enables SMT integration at the expense of 40% higher junction-to-lead thermal resistance - requiring careful layout for power dissipation management.
Availability
JANS1N4100-1/TR is available at Aetrix Electronics and suitable for avionics power monitoring, satellite onboard computer reference, and nuclear instrumentation front-end applications requiring stable component supply across extended product lifecycles.
Supply support for JANS1N4100-1/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) designs high-reliability semiconductors for aerospace, defense, and industrial markets, emphasizing radiation hardness and extended temperature performance.
The JANS1N4100-1/TR belongs to Microsemi's MIL-PRF-19500/435 qualified Zener diode family, engineered specifically for mission-critical voltage regulation where failure is not an option.
FAQ
What is the Zener voltage tolerance for JANS1N4100-1/TR?
JANS1N4100-1/TR has a nominal Zener voltage of 7.5 V with ±5% tolerance, measured at 250 mA test current and 25 °C ambient. This tolerance is standard for the JEDEC-registered 1N4099–1N4135 series unless otherwise marked with C (±2%) or D (±1%) suffixes - which JANS1N4100-1/TR does not carry.
Is JANS1N4100-1/TR compatible with lead-free soldering processes?
JANS1N4100-1/TR features tin-lead plating by default, but RoHS-compliant matte-tin plating is available on commercial-grade versions (e.g., 1N4100-1e3). The JANS variant itself is not RoHS-compliant per the datasheet; its qualification scope excludes lead-free reflow profiles beyond 260 °C for 10 seconds, as specified in MIL-STD-750.
How does the temperature coefficient affect JANS1N4100-1/TR in real-world operation?
JANS1N4100-1/TR has a positive temperature coefficient of +0.065 %/°C, meaning its Zener voltage increases by approximately 4.88 mV per °C rise. Over a –55 °C to +125 °C range, this results in ~0.87 V total drift - a known, linear, and compensatable effect used in temperature-sensing circuits and matched bias networks.
What is the maximum Zener current rating for JANS1N4100-1/TR?
JANS1N4100-1/TR supports a maximum Zener current (IZM) of 40 mA at 25 °C lead temperature. At higher temperatures, current must be reduced per the linear derating curve: power dissipation drops from 500 mW at 25 °C to zero at 175 °C, limiting usable IZ proportionally under elevated thermal conditions.
Does JANS1N4100-1/TR require heatsinking in typical applications?
JANS1N4100-1/TR does not require external heatsinking in most applications due to its 250 °C/W junction-to-lead thermal resistance and 500 mW rating. With 40 mA at 7.5 V (300 mW), junction temperature rise is ~75 °C above lead temperature - well within the –65 °C to +175 °C limit if leads are mounted per MIL-STD-750 with ≥10 mm length and adequate copper area.
JANS1N4100-1/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):
- 7.5 V
- Tolerance:
- ±5%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 200 Ohms
- Current - Reverse Leakage @ Vr:
- 1 µA @ 5.7 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 200 mA
- Operating Temperature:
- -65°C ~ 175°C
- Grade:
- Military
- Qualification:
- MIL-PRF-19500/435
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AH (DO-35)
JANS1N4100-1/TR FAQ
1.How can I place an order for JANS1N4100-1/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANS1N4100-1/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 JANS1N4100-1/TR reliable?
The price and inventory of JANS1N4100-1/TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANS1N4100-1/TR is usually 5 days.
3.What payment methods are accepted for JANS1N4100-1/TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANS1N4100-1/TR transactions.
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4.How is shipping managed for JANS1N4100-1/TR?
JANS1N4100-1/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANS1N4100-1/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 JANS1N4100-1/TR?
For technical support, including JANS1N4100-1/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANS1N4100-1/TR requirements.
6.How does Aetrix verify that JANS1N4100-1/TR is sourced from the original manufacturer or authorized distributors?
All JANS1N4100-1/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 JANS1N4100-1/TR meets industry standards.
7.What is the process for return or replacement of JANS1N4100-1/TR?
All JANS1N4100-1/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANS1N4100-1/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 JANS1N4100-1/TR part is unused and in its original packaging.
Return procedure for JANS1N4100-1/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANS1N4100-1/TR Tags
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