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Renesas HZ5CLL-J
- Part No.:
- HZ5CLL-J
- Manufacturer:
- Renesas
- Category:
- Single Zener Diodes
- Package:
- -
- Datasheet:
-
HZ5CLL-J.pdf
- Description:
- DIODE ZENER
- Quantity:
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Inventory:7,700
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Product details
Overview
HZ5CLL-J from Renesas is a silicon planar Zener diode engineered for low-noise voltage regulation in precision analog circuits, featuring a nominal zener voltage of 5.7 V (min 5.4 V, max 5.7 V), dynamic resistance of 60 Ω at 0.5 mA, maximum power dissipation of 400 mW, and junction temperature rating up to 175°C. It serves as a stable reference in low-drift power supply feedback paths and sensor biasing networks.
For engineers reviewing the HZ5CLL-J datasheet, HZ5CLL-J pinout, HZ5CLL-J application, or HZ5CLL-J equivalent, key selection criteria include its low-noise performance (≈1/3–1/10 of standard HZ series), tight zener voltage tolerance, DO-35 package compatibility, and suitability for low-current (<1 mA) stabilized references where thermal drift and noise floor are critical.
Technical Context
The HZ5CLL-J operates as a two-terminal shunt regulator with DC-tested zener characteristics, optimized for low-noise operation via reduced junction area and refined diffusion process. Its zener voltage is specified at IZ = 0.5 mA with reverse current limited to 1 μA at VR = 2.0 V.
It exhibits a negative temperature coefficient near 5.7 V (≈−0.06 %/°C per Fig.2), low leakage (≤1 μA), and zener impedance stable under 0.5–1 mA bias - making it suitable for high-PSRR analog front-ends and metrology-grade references where noise spectral density and long-term stability dominate design constraints.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 5.4 V min / 5.7 V max at IZ = 0.5 mA - defines precise regulation threshold for low-drift feedback loops |
| Dynamic Resistance (rd) | 60 Ω max at IZ = 0.5 mA - ensures minimal output impedance variation under load transients |
| Power Dissipation (Pd) | 400 mW max at Ta = 25°C - supports continuous operation in compact PCB layouts without forced cooling |
| Reverse Current (IR) | 1 μA max at VR = 2.0 V - guarantees ultra-low leakage in high-impedance bias networks |
| Junction Temperature (Tj) | 175°C max - enables reliable operation in industrial ambient environments up to 125°C with derating |
| Noise Level | ≈1/3–1/10 of HZ series - directly reduces RMS noise contribution in <10 kHz analog signal chains |
Pinout & Package
Package: DO-35 (JEITA code GRZZ0002ZB-A), glass axial body with navy blue cathode band and orange body color; mass ≈0.13 g; dimensions per SC-40 standard (φD = 2.0 mm, L = 26.0 mm).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Zener voltage reference terminal | Connected to regulated node; polarity must be observed to avoid forward conduction |
| 2 (Anode) | Reference ground return | Provides low-impedance path to system ground; forms shunt regulation loop with series resistor |
Key Features
| Feature | Design Value |
|---|---|
| Low-noise zener structure | Reduces broadband voltage noise by factor of 3–10 vs. legacy HZ series - critical for audio preamps and ADC references |
| Tight VZ tolerance group | ±0.15 V spread (5.4–5.7 V) enables binning for matched reference pairs in differential circuits |
| Low zener impedance | 60 Ω max ensures <0.5% regulation error over ±10% IZ variation - improves line/load regulation in unregulated supplies |
| High-temperature reliability | Rated to 175°C junction temperature - supports operation in automotive engine-control and industrial motor-drive environments |
| DO-35 mechanical standardization | Compatible with legacy through-hole assembly tooling and IPC-7351 footprint (SC-40) |
Applications
| High-Precision Reference Source | Low-Noise Sensor Biasing |
|---|---|
Use Scenario: Providing stable 5.7 V reference for 16-bit SAR ADCs in portable instrumentation. IC Role / Device Role / Timing Role: Shunt voltage reference establishing accurate full-scale input range. Use Value: Low dynamic resistance (60 Ω) and sub-μA leakage minimize code-dependent reference droop and integral nonlinearity. |
Use Scenario: Biasing bridge-type pressure sensors in medical transducers requiring <10 nV/√Hz noise floor. IC Role / Device Role / Timing Role: Low-noise DC excitation source for Wheatstone bridge arms. Use Value: Noise level ≈1/10 that of standard HZ diodes directly lowers sensor system noise floor below 1 kHz. |
| Stabilized Feedback Node | Thermal-Drift Compensation Circuit |
Use Scenario: Regulating output of linear post-regulator in telecom power module with ±0.5% accuracy requirement. IC Role / Device Role / Timing Role: Zener element in optocoupler feedback loop of isolated DC/DC converter. Use Value: Tight VZ tolerance and low rd maintain loop gain stability across −40°C to +85°C ambient. |
Use Scenario: Compensating thermistor-based temperature sensing in HVAC control boards. IC Role / Device Role / Timing Role: Low-drift voltage reference in ratiometric measurement circuit. Use Value: Negative tempco (≈−0.06 %/°C) counterbalances positive thermistor drift, reducing net system error to <0.1%/°C. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N5232B (ON Semiconductor) | VZ = 5.1 V (±5%), rd = 17 Ω, Pd = 500 mW, no low-noise specification | Better power handling but higher noise and looser VZ tolerance; suited for general-purpose regulation | Select when cost and availability outweigh noise and precision requirements |
| BZX55-C5V6 (Vishay) | VZ = 5.6 V (±5%), rd = 40 Ω, Pd = 500 mW, unspecified noise performance | Lower dynamic resistance but uncharacterized noise; lacks documented low-noise optimization | Prefer for high-current shunt regulation where noise is secondary to impedance |
Compared with 1N5232B and BZX55-C5V6, the HZ5CLL-J delivers verified low-noise operation and tighter VZ binning at the expense of slightly lower power rating - making it the only option among the three qualified for metrology-grade analog references.
Availability
HZ5CLL-J is available at Aetrix Electronics and suitable for precision voltage reference, low-noise sensor biasing, and stabilized feedback loop applications requiring stable component supply, consistent parametric binning, and long-term obsolescence management.
Supply support for HZ5CLL-J 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 leader specializing in microcontrollers, analog power devices, and timing solutions for industrial, automotive, and infrastructure markets.
The HZ-L Series, including HZ5CLL-J, was designed specifically for low-noise, high-stability voltage reference applications in analog signal conditioning and precision power management systems.
FAQ
What is the exact zener voltage range for HZ5CLL-J?
The HZ5CLL-J has a guaranteed zener voltage range of 5.4 V minimum to 5.7 V maximum when tested at IZ = 0.5 mA and Ta = 25°C. This tight 0.3 V span reflects its "C" grade binning within the HZ-L family and supports high-accuracy reference designs without external trimming.
Does HZ5CLL-J meet RoHS and lead-free requirements?
Yes, HZ5CLL-J complies with RoHS Directive 2011/65/EU and is lead-free per JEDEC J-STD-609. The DO-35 glass package contains no intentionally added lead, and Renesas confirms full compliance in REJ03G0182-0300 Rev.3.00 documentation.
Can HZ5CLL-J replace standard HZ-series diodes directly?
Yes, HZ5CLL-J uses the same DO-35 package and pinout as legacy HZ diodes, enabling drop-in replacement in existing layouts. However, its lower noise and tighter VZ tolerance may require verification of loop stability in feedback circuits originally designed for higher-impedance HZ variants.
What is the maximum allowable reverse current before breakdown for HZ5CLL-J?
The HZ5CLL-J specifies a maximum reverse current of 1 μA at VR = 2.0 V, confirming excellent blocking behavior well below its 5.4 V zener onset. This ensures negligible loading in high-impedance bias networks and prevents unintended conduction in standby modes.
How does the temperature coefficient of HZ5CLL-J affect long-term stability?
HZ5CLL-J exhibits a typical zener voltage temperature coefficient of −0.06 %/°C near 5.7 V (per Fig.2). When used with complementary positive-tempco components (e.g., thermistors or resistors), this enables passive drift cancellation - achieving <0.1%/°C net drift in compensated reference designs.
HZ5CLL-J 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:
- -
HZ5CLL-J FAQ
1.How can I place an order for HZ5CLL-J through Aetrix?
Please submit a Request for Quotation (RFQ) for HZ5CLL-J 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 HZ5CLL-J reliable?
The price and inventory of HZ5CLL-J are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HZ5CLL-J is usually 5 days.
3.What payment methods are accepted for HZ5CLL-J?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HZ5CLL-J transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HZ5CLL-J?
HZ5CLL-J orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HZ5CLL-J 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 HZ5CLL-J?
For technical support, including HZ5CLL-J datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HZ5CLL-J requirements.
6.How does Aetrix verify that HZ5CLL-J is sourced from the original manufacturer or authorized distributors?
All HZ5CLL-J 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 HZ5CLL-J meets industry standards.
7.What is the process for return or replacement of HZ5CLL-J?
All HZ5CLL-J units undergo pre-shipment inspection (PSI). If there is an issue with HZ5CLL-J, 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 HZ5CLL-J part is unused and in its original packaging.
Return procedure for HZ5CLL-J:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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