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Renesas HZ3CLL-J-E
- Part No.:
- HZ3CLL-J-E
- Manufacturer:
- Renesas
- Category:
- Single Zener Diodes
- Package:
- -
- Datasheet:
-
HZ3CLL-J-E.pdf
- Description:
- DIODE ZENER
- Quantity:
- Payment:
- Shipping:
Inventory:35,000
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Product details
Overview
HZ3CLL-J-E from Renesas is a silicon planar Zener diode engineered for low-noise voltage regulation in precision analog circuits, featuring a nominal zener voltage of 33 V (min 31.2 V, max 32.6 V), 400 mW power dissipation, 250 Ω dynamic impedance at 1 mA, and DO-35 glass axial package with navy-blue cathode band. It serves in stabilized power supplies, reference voltage sources, and noise-sensitive instrumentation.
For engineers reviewing the HZ3CLL-J-E datasheet, HZ3CLL-J-E pinout, HZ3CLL-J-E application, or HZ3CLL-J-E equivalent, key selection criteria include zener voltage tolerance (±2.2% at 33 V), low noise performance (~1/3–1/10 of standard HZ series), temperature coefficient (−0.04 %/°C), junction temperature rating (175 °C), and DO-35 mechanical compatibility.
Technical Context
The HZ3CLL-J-E operates as a two-terminal voltage reference device using silicon planar Zener breakdown at reverse bias. Its low-noise design stems from optimized semiconductor processing that reduces generation-recombination noise, and its zener voltage exhibits a negative temperature coefficient of −0.04 %/°C across the 33 V range.
Rated for 400 mW DC power dissipation at 25 °C ambient, it maintains stable regulation under 1 mA test current with 250 Ω dynamic resistance, and supports operation from −55 °C to +175 °C storage and junction temperature ranges - enabling use in industrial and automotive-adjacent environments where thermal robustness is critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 31.2 V min to 32.6 V max at IZ = 1 mA - defines tight 33 V nominal regulation window suitable for precision references. |
| Power Dissipation (Pd) | 400 mW at Ta = 25 °C - enables compact board-level regulation without forced cooling in low-power systems. |
| Dynamic Resistance (rd) | 250 Ω max at IZ = 1 mA - ensures minimal output voltage variation under load transients in feedback loops. |
| Zener Voltage Tempco (γZ) | −0.04 %/°C - provides predictable, linear drift for temperature-compensated reference designs. |
| Reverse Leakage (IR) | 1 μA max at VR = 25 V - minimizes parasitic current draw in high-impedance bias networks. |
| Junction Temperature (Tj) | 175 °C - allows sustained operation in thermally constrained enclosures or near heat-generating components. |
Pinout & Package
Package: DO-35 glass axial package (JEITA code GRZZ0002ZB-A), 2.0 mm diameter × 26.0 mm length, orange body with navy-blue cathode band, mass 0.13 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | High-side terminal for reverse-bias connection | Connected to regulated output node; polarity marking essential to prevent forward conduction failure. |
| 2 (Anode) | Low-side terminal referenced to ground or common | Serves as return path; must be held at potential ≤ VZ below cathode to maintain regulation. |
Key Features
| Feature | Design Value |
|---|---|
| Noise reduction vs. HZ series | Approximately 1/3–1/10 lower noise - directly improves SNR in audio preamps and sensor front-ends. |
| Zener voltage range coverage | 33 V variant within 5.2–38 V family - enables drop-in replacement in legacy 33 V reference designs. |
| Low leakage current | ≤1 μA at 25 V reverse bias - preserves accuracy in high-resistance divider networks and battery-powered circuits. |
| Thermal stability | −0.04 %/°C tempco and 175 °C Tj - supports stable operation across extended industrial temperature profiles. |
Applications
| Instrumentation Reference | Low-Noise Audio Supply |
|---|---|
Use Scenario: Precision analog-to-digital converter (ADC) reference voltage generation in data acquisition systems. IC Role / Device Role / Timing Role: Zener diode providing stable 33 V reference for voltage divider scaling and buffer amplification. Use Value: Low dynamic impedance (250 Ω) and low noise ensure <1 LSB error contribution in 16-bit ADC systems operating at 25 °C ambient. |
Use Scenario: Phantom power supply regulation in professional condenser microphone preamplifiers. IC Role / Device Role / Timing Role: Noise-suppressed voltage clamp stabilizing +48 V rail against ripple and transient spikes. Use Value: 1/3–1/10 lower noise vs. standard HZ series directly reduces audible hiss floor in microphone signal chain. |
| Industrial Sensor Excitation | Automotive-Grade Voltage Monitor |
Use Scenario: Constant-current excitation source for strain gauge bridges in load cell modules. IC Role / Device Role / Timing Role: Zener-based current regulator element maintaining fixed bias across bridge arms. Use Value: Tight 31.2–32.6 V tolerance and −0.04 %/°C tempco limit excitation drift to <0.1% over −40 to +85 °C. |
Use Scenario: Overvoltage detection threshold in 24 V vehicle subsystems (e.g., infotainment power management). IC Role / Device Role / Timing Role: Reverse-biased clamping diode triggering protection circuitry at ~33 V. Use Value: 175 °C junction rating and DO-35 ruggedness support reliable operation in under-hood thermal environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4749A | 33 V nominal, ±5% tolerance (31.35–34.65 V), 1.0 W power, 30 Ω rd, DO-41 package | Higher power and lower impedance but wider voltage tolerance and higher noise than HZ3CLL-J-E | Select when higher power handling is required and tighter voltage tolerance is not critical. |
| BZX85C33 | 33 V nominal, ±5% tolerance, 1.3 W power, 40 Ω rd, DO-41 package, higher leakage (5 μA) | Greater thermal margin but significantly higher noise and leakage - unsuitable for ultra-low-noise analog stages | Prefer only in cost-sensitive, non-critical regulation where noise and leakage are secondary. |
Compared with 1N4749A and BZX85C33, the HZ3CLL-J-E delivers superior voltage accuracy (±2.2% vs. ±5%), lower noise (1/3–1/10 of HZ series), and lower leakage (1 μA vs. ≥5 μA), making it optimal for precision analog reference and low-noise instrumentation - though at lower power rating (400 mW).
Availability
HZ3CLL-J-E is available at Aetrix Electronics and suitable for stabilized power supplies, precision voltage references, and low-noise analog signal conditioning requiring stable component supply and long-term obsolescence management.
Supply support for HZ3CLL-J-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, with leadership in automotive, industrial, and infrastructure markets.
The HZ-L Series Zener diodes were designed specifically for low-noise, high-stability voltage reference applications in instrumentation, test equipment, and precision analog systems - emphasizing noise reduction, tight voltage tolerance, and thermal reliability.
FAQ
What is the exact zener voltage range for HZ3CLL-J-E?
The HZ3CLL-J-E has a guaranteed zener voltage range of 31.2 V minimum to 32.6 V maximum when tested at 1 mA zener current and 25 °C ambient temperature. This corresponds to a nominal 33 V rating with ±2.2% tolerance, confirmed in Renesas document REJ03G0182-0300 page 3 under "HZ33-1L" variant designation.
Is HZ3CLL-J-E compatible with DO-35 footprint layouts?
Yes, the HZ3CLL-J-E uses the standard DO-35 glass axial package (JEITA code GRZZ0002ZB-A) with 2.0 mm diameter and 26.0 mm body length, matching industry-standard DO-35 land patterns. The navy-blue cathode band and orange body color align with Renesas' HZ-L Series visual identification scheme per page 1 of REJ03G0182-0300.
How does the noise performance of HZ3CLL-J-E compare to standard Zener diodes?
The HZ3CLL-J-E achieves approximately 1/3 to 1/10 lower noise than the legacy HZ series, as stated in the "Features" section on page 1 of REJ03G0182-0300. This improvement results from proprietary silicon planar processing optimized to suppress generation-recombination noise - critical for audio, sensor, and precision reference applications.
What is the maximum reverse leakage current for HZ3CLL-J-E?
The maximum reverse leakage current for HZ3CLL-J-E is 1 μA at 25 V reverse voltage and 25 °C ambient temperature, per the "Electrical Characteristics" table on page 2 of REJ03G0182-0300. This low leakage supports high-impedance bias networks and extends battery life in portable instrumentation.
Can HZ3CLL-J-E operate reliably at elevated temperatures?
Yes, the HZ3CLL-J-E is rated for junction temperatures up to 175 °C and storage temperatures from −55 °C to +175 °C, as specified in the "Absolute Maximum Ratings" table on page 2 of REJ03G0182-0300. Its −0.04 %/°C temperature coefficient ensures predictable, linear drift in industrial thermal environments.
HZ3CLL-J-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:
- -
HZ3CLL-J-E FAQ
1.How can I place an order for HZ3CLL-J-E through Aetrix?
Please submit a Request for Quotation (RFQ) for HZ3CLL-J-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 HZ3CLL-J-E reliable?
The price and inventory of HZ3CLL-J-E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HZ3CLL-J-E is usually 5 days.
3.What payment methods are accepted for HZ3CLL-J-E?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HZ3CLL-J-E transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HZ3CLL-J-E?
HZ3CLL-J-E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HZ3CLL-J-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 HZ3CLL-J-E?
For technical support, including HZ3CLL-J-E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HZ3CLL-J-E requirements.
6.How does Aetrix verify that HZ3CLL-J-E is sourced from the original manufacturer or authorized distributors?
All HZ3CLL-J-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 HZ3CLL-J-E meets industry standards.
7.What is the process for return or replacement of HZ3CLL-J-E?
All HZ3CLL-J-E units undergo pre-shipment inspection (PSI). If there is an issue with HZ3CLL-J-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 HZ3CLL-J-E part is unused and in its original packaging.
Return procedure for HZ3CLL-J-E:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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