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Renesas HZ11C1LRE-E
- Part No.:
- HZ11C1LRE-E
- Manufacturer:
- Renesas
- Category:
- Single Zener Diodes
- Package:
- -
- Datasheet:
-
HZ11C1LRE-E.pdf
- Description:
- DIODE ZENER 0.4W
- Quantity:
- Payment:
- Shipping:
Inventory:8,000
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Product details
Overview
HZ11C1LRE-E from Renesas is a silicon planar Zener diode engineered for low-noise voltage regulation in precision analog circuits, with a nominal zener voltage of 10.9–11.3 V, 400 mW power dissipation, 80 Ω dynamic impedance at 0.5 mA, and DO-35 glass package. It serves in stabilized power supplies, reference voltage sources, and noise-sensitive instrumentation.
For engineers reviewing the HZ11C1LRE-E datasheet, HZ11C1LRE-E pinout, HZ11C1LRE-E application, or HZ11C1LRE-E equivalent, key selection criteria include zener voltage tolerance (±2%), low noise performance (1/3–1/10 of standard HZ series), temperature coefficient (−0.02 %/°C typical), and DO-35 mechanical compatibility for through-hole PCB assembly.
Technical Context
This device operates as a two-terminal voltage reference using avalanche breakdown in a planar-diffused silicon junction. Its low dynamic resistance (80 Ω) and tight zener voltage tolerance (10.9–11.3 V at 0.5 mA) enable stable regulation under varying load conditions.
The HZ11C1LRE-E exhibits a negative temperature coefficient of −0.02 %/°C, minimizing drift across ambient temperatures from −55°C to +175°C, and is rated for 400 mW DC power dissipation with junction temperature up to 175°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 10.9–11.3 V at IZ = 0.5 mA - defines precise regulation point for feedback loops |
| Dynamic Resistance (rd) | 80 Ω max at IZ = 0.5 mA - ensures minimal output voltage variation under load transients |
| Power Dissipation (Pd) | 400 mW at Ta = 25°C - supports compact thermal design without forced cooling |
| Reverse Current (IR) | 1 μA max at VR = 8.0 V - guarantees low leakage in high-impedance bias networks |
| Temperature Coefficient (γZ) | −0.02 %/°C typical - enables predictable, low-drift behavior over industrial temperature range |
| Junction Temperature (Tj) | 175°C max - allows operation in thermally demanding environments such as power supply enclosures |
Pinout & Package
Package: DO-35 glass axial lead package (JEITA code GRZZ0002ZB-A), orange body color, navy blue cathode band. Dimensions per SC-40 standard: φD = 2.0 mm, L = 26.0 mm, E = 4.2 mm, mass ≈ 0.13 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Negative terminal of zener junction | Connected to regulated output node; polarity must be observed for correct breakdown conduction |
| 2 (Anode) | Positive terminal of zener junction | Connected to ground or lower-potential rail; completes reverse-biased path for regulation |
Key Features
| Feature | Design Value |
|---|---|
| Low-noise Zener operation | Diode noise level ~1/3–1/10 that of standard HZ series - critical for audio preamps and sensor front-ends |
| Tight zener voltage tolerance | ±2% over 10.9–11.3 V range - reduces need for post-regulation trimming in precision references |
| Low dynamic impedance | 80 Ω max at 0.5 mA - improves line/load regulation by limiting output impedance in shunt configuration |
| High thermal stability | −0.02 %/°C tempco and 175°C Tj rating - maintains accuracy in unregulated ambient conditions |
Applications
| Audio Signal Conditioning | Precision Instrumentation Reference |
|---|---|
Use Scenario: Low-noise DC biasing of op-amp inputs and JFET gates in high-fidelity audio amplifiers. IC Role / Device Role / Timing Role: Shunt voltage reference providing stable, low-ripple bias point independent of supply fluctuations. Use Value: Enables <10 nV/√Hz input-referred noise floor by suppressing zener-generated broadband noise. | Use Scenario: Fixed reference node in 16-bit ADC front-end circuits requiring sub-0.1% long-term stability. IC Role / Device Role / Timing Role: Primary voltage reference for ratiometric sensor signal conditioning and calibration offsets. Use Value: Delivers ±0.02 %/°C drift control and 80 Ω output impedance to limit reference error contribution to <0.05 LSB. |
| Industrial Power Supply Monitoring | Medical Sensor Biasing |
Use Scenario: Overvoltage detection threshold in 24 V DC industrial power rails with watchdog circuitry. IC Role / Device Role / Timing Role: Zener-clamped comparator input reference ensuring repeatable trip point across temperature. Use Value: Maintains ±0.5 V trip window over −40°C to +85°C due to low tempco and stable rd. | Use Scenario: Bias voltage source for photodiode transimpedance amplifiers in portable pulse oximeters. IC Role / Device Role / Timing Role: Low-leakage (≤1 μA) reference enabling high-impedance current-to-voltage conversion. Use Value: Prevents signal degradation from leakage-induced offset drift in sub-picoampere current paths. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4740A | Zener voltage 10 V ±5%, rd = 20 Ω, Pd = 1 W, DO-41 package | Higher power, looser tolerance, higher noise than HZ11C1LRE-E | Select when higher power handling is required and tighter voltage tolerance is not critical |
| BZX85C11 | Zener voltage 11 V ±5%, rd = 150 Ω, Pd = 1.3 W, DO-41 package | Higher dynamic impedance and wider tolerance; no low-noise specification | Choose for general-purpose regulation where cost and availability outweigh noise and precision needs |
Compared with 1N4740A and BZX85C11, the HZ11C1LRE-E offers superior voltage accuracy (±2% vs. ±5%), significantly lower noise, and optimized low-impedance performance at low test currents-making it preferred for precision analog and low-level signal conditioning where reference integrity is paramount.
Availability
HZ11C1LRE-E is available at Aetrix Electronics and suitable for stabilized power supplies, precision instrumentation references, and low-noise audio biasing requiring stable component supply and consistent parametric performance across production lots.
Supply support for HZ11C1LRE-E 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
Renesas Electronics is a global semiconductor manufacturer specializing in microcontrollers, analog, and power devices for automotive, industrial, and infrastructure markets.
The HZ-L Series is part of Renesas' precision analog portfolio, designed specifically for low-noise, high-stability voltage reference applications in measurement, audio, and sensor signal chains.
FAQ
What is the exact zener voltage range for HZ11C1LRE-E?
The HZ11C1LRE-E has a guaranteed zener voltage range of 10.9 V to 11.3 V when tested at IZ = 0.5 mA and Ta = 25°C. This ±2% tolerance is tighter than standard Zener diodes and supports precision reference designs without external trimming. The HZ11C1LRE-E achieves this via controlled planar diffusion and screening during manufacturing.
Is HZ11C1LRE-E suitable for low-noise applications?
Yes, the HZ11C1LRE-E is explicitly characterized for low-noise operation, with noise levels approximately 1/3 to 1/10 that of the legacy HZ series. Its silicon planar construction and optimized junction design minimize avalanche noise, making the HZ11C1LRE-E appropriate for audio preamplifiers, sensor front-ends, and other noise-critical analog circuits.
What package type does HZ11C1LRE-E use and what are its key dimensions?
The HZ11C1LRE-E uses the DO-35 glass axial package (JEITA code GRZZ0002ZB-A), with an orange body and navy blue cathode band. Key dimensions: diameter φD = 2.0 mm, overall length L = 26.0 mm, lead spacing E = 4.2 mm, and typical mass of 0.13 g. It conforms to SC-40 mechanical standards.
What is the maximum power dissipation and thermal rating of HZ11C1LRE-E?
The HZ11C1LRE-E is rated for 400 mW maximum power dissipation at Ta = 25°C and has a maximum junction temperature of 175°C. Its derating curve shows linear reduction above 25°C ambient, supporting reliable operation in enclosed power supplies and industrial enclosures without active cooling.
Does HZ11C1LRE-E have a specified temperature coefficient?
Yes, the HZ11C1LRE-E exhibits a typical zener voltage temperature coefficient (γZ) of −0.02 %/°C, as confirmed in Renesas' characteristic curves. This low, predictable drift enables stable reference performance across −55°C to +175°C storage and operational ranges, critical for outdoor and industrial deployments.
HZ11C1LRE-E Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- -
- Tolerance:
- -
- Power - Max:
- -
- Impedance (Max) (Zzt):
- -
- Current - Reverse Leakage @ Vr:
- -
- Voltage - Forward (Vf) (Max) @ If:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
HZ11C1LRE-E FAQ
1.How can I place an order for HZ11C1LRE-E through Aetrix?
Please submit a Request for Quotation (RFQ) for HZ11C1LRE-E 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 HZ11C1LRE-E reliable?
The price and inventory of HZ11C1LRE-E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HZ11C1LRE-E is usually 5 days.
3.What payment methods are accepted for HZ11C1LRE-E?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HZ11C1LRE-E transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HZ11C1LRE-E?
HZ11C1LRE-E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HZ11C1LRE-E 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 HZ11C1LRE-E?
For technical support, including HZ11C1LRE-E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HZ11C1LRE-E requirements.
6.How does Aetrix verify that HZ11C1LRE-E is sourced from the original manufacturer or authorized distributors?
All HZ11C1LRE-E 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 HZ11C1LRE-E meets industry standards.
7.What is the process for return or replacement of HZ11C1LRE-E?
All HZ11C1LRE-E units undergo pre-shipment inspection (PSI). If there is an issue with HZ11C1LRE-E, 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 HZ11C1LRE-E part is unused and in its original packaging.
Return procedure for HZ11C1LRE-E:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
HZ11C1LRE-E Tags
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