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Renesas HZ16-3LTA-E
- Part No.:
- HZ16-3LTA-E
- Manufacturer:
- Renesas
- Category:
- Single Zener Diodes
- Package:
- -
- Datasheet:
-
HZ16-3LTA-E.pdf
- Description:
- DIODE ZENER 0.4W
- Quantity:
- Payment:
- Shipping:
Inventory:15,000
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Product details
Overview
HZ16-3LTA-E from Renesas Electronics is a silicon planar Zener diode optimized for low-noise voltage regulation in precision analog circuits, featuring a nominal zener voltage of 16.3–17.1 V at 0.5 mA test current, 400 mW power dissipation, 14.0 Ω dynamic impedance, and −55 to +175 °C storage temperature range. It serves as a stable reference in low-drift power supply feedback paths and sensor biasing networks.
For engineers reviewing the HZ16-3LTA-E datasheet, HZ16-3LTA-E pinout, HZ16-3LTA-E application, or HZ16-3LTA-E equivalent, this device is evaluated for noise-sensitive stabilization roles where zener impedance, temperature coefficient (−0.02 to −0.04 %/°C near 16 V), and leakage current (<1 μA at VR = 12.8 V) directly impact circuit stability and long-term accuracy.
Technical Context
This Zener diode employs a silicon planar junction structure with controlled doping profiles to minimize generation-recombination noise-achieving ~1/3–1/10 the noise level of legacy HZ-series devices. Its low dynamic resistance (14.0 Ω at IZ = 0.5 mA) ensures minimal output voltage variation under load transients.
The device operates within a 25 °C ambient baseline and exhibits a negative temperature coefficient (−0.03 %/°C typical at 16 V), requiring thermal compensation in high-precision references. Absolute maximum ratings include 400 mW power dissipation and 175 °C junction temperature, enabling use in compact PCB layouts with moderate thermal management.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 16.3–17.1 V at IZ = 0.5 mA - defines stable regulation point for feedback networks requiring tight tolerance |
| Dynamic Resistance (rd) | 14.0 Ω at IZ = 0.5 mA - enables low-output-impedance reference with minimal load-induced voltage shift |
| Power Dissipation (Pd) | 400 mW - supports continuous operation in space-constrained designs without forced cooling |
| Reverse Leakage Current (IR) | <1 μA at VR = 12.8 V - minimizes error current in high-impedance reference dividers |
| Junction Temperature (Tj) | 175 °C maximum - allows reliable operation in industrial environments with elevated ambient temperatures |
| Temperature Coefficient (γZ) | −0.03 %/°C typical - requires compensation in applications demanding <50 ppm/°C drift |
| Package | DO-35 (JEITA GRZZ0002ZB-A) - industry-standard axial leaded package compatible with manual and wave soldering |
Pinout & Package
Package: DO-35 glass axial-leaded package (Renesas code GRZZ0002ZB-A), body color orange, cathode band navy blue. Total mass ≈ 0.13 g. Dimensions: φD = 2.0 mm max, L = 26.0 mm min, E = 4.2 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Zener breakdown terminal | Connected to regulated output node; reverse-biased operation requires positive voltage applied here relative to anode |
| 2 (Anode) | Reference ground terminal | Tied to circuit common; establishes return path for zener current and defines reference potential |
Key Features
| Feature | Design Value |
|---|---|
| Low-noise Zener structure | Generation-recombination noise reduced to ~1/3–1/10 of standard HZ series - critical for audio preamps and precision ADC references |
| Stable low-impedance regulation | 14.0 Ω dynamic resistance at 0.5 mA - maintains regulation accuracy across ±10% load current variation |
| Wide operating temperature range | −55 to +175 °C storage, 175 °C max junction - suitable for under-hood automotive modules and industrial controllers |
| Controlled temperature coefficient | −0.03 %/°C typical near 16 V - enables predictable drift behavior for compensated reference designs |
| High reliability glass passivation | DO-35 hermetic glass envelope - prevents moisture ingress and parameter shift over 10+ year field life |
Applications
| Industrial Power Supply Reference | Audio Equipment Biasing |
|---|---|
|
Use Scenario: Stabilizing feedback voltage in isolated DC-DC converters for PLC I/O modules. IC Role / Device Role / Timing Role: Zener reference providing precise 16.7 V setpoint to TL431 shunt regulator input. Use Value: 14.0 Ω dynamic impedance ensures <±0.5% output voltage deviation during 10–100 mA load steps. |
Use Scenario: Setting bias point for JFET-input op-amps in high-fidelity microphone preamplifiers. IC Role / Device Role / Timing Role: Low-noise voltage reference for dual-rail ±15 V analog signal chains. Use Value: 1/10 noise level vs. legacy HZ diodes reduces audible hiss floor by ≥12 dB(A) in 20 Hz–20 kHz bandwidth. |
| Sensor Signal Conditioning | Test & Measurement Calibration |
|
Use Scenario: Providing excitation voltage to strain gauge bridges in load cell interfaces. IC Role / Device Role / Timing Role: Stable 16.7 V reference for ratiometric bridge excitation and ADC reference scaling. Use Value: −0.03 %/°C tempco enables <±0.1% full-scale error over −25 to +70 °C operating range without trimming. |
Use Scenario: On-board calibration reference in portable multimeters and data loggers. IC Role / Device Role / Timing Role: Primary voltage standard for auto-ranging ADC offset/gain correction routines. Use Value: <1 μA leakage at 12.8 V prevents loading errors in high-impedance 10 MΩ input divider networks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4744A (ON Semiconductor) | Zener voltage 14.0–15.4 V, 1 Ω higher rd (15 Ω), 1000 mW Pd, DO-41 package | Higher power handling but larger footprint; less optimal for noise-critical low-current references | Select when board space allows DO-41 and >400 mW dissipation is required |
| BZX85C16 (Vishay) | Zener voltage 15.3–16.7 V, 20 Ω rd at 5 mA, 1.3 W Pd, DO-41 package | Higher test current (5 mA vs. 0.5 mA) shifts operating point; higher noise than HZ-L series | Choose for cost-sensitive industrial supplies where ultra-low noise is not required |
Compared with 1N4744A and BZX85C16, HZ16-3LTA-E delivers superior noise performance and tighter low-current regulation at 0.5 mA, making it preferred for precision analog systems despite its lower power rating and DO-35 form factor.
Availability
HZ16-3LTA-E is available at Aetrix Electronics and suitable for industrial power supply reference, audio equipment biasing, sensor signal conditioning, and test & measurement calibration requiring stable component supply with consistent parametric performance across production lots.
Supply support for HZ16-3LTA-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 Corporation is a Japanese semiconductor manufacturer specializing in microcontrollers, analog and power devices, and system-on-chip solutions for industrial, automotive, and infrastructure markets.
HZ16-3LTA-E belongs to the HZ-L Series low-noise Zener diodes, designed specifically for precision voltage reference applications where noise, stability, and low-leakage characteristics outweigh raw power-handling requirements.
FAQ
What is the zener voltage tolerance of HZ16-3LTA-E?
The HZ16-3LTA-E has a specified zener voltage range of 16.3 V to 17.1 V when tested at IZ = 0.5 mA and Ta = 25 °C. This ±2.5% tolerance reflects manufacturing control for precision reference use, and actual measured values fall within this band per Renesas' REJ03G0182-0300 specification.
Does HZ16-3LTA-E support surface-mount assembly?
No, HZ16-3LTA-E uses a DO-35 axial-leaded glass package (Renesas code GRZZ0002ZB-A) intended for through-hole mounting. It is not compatible with reflow or wave soldering processes designed for SMD components. For SMT alternatives, consult Renesas' HZ-L Series SOD-123 variants, which are distinct part numbers.
What is the maximum reverse leakage current for HZ16-3LTA-E?
The maximum reverse leakage current for HZ16-3LTA-E is 1 μA at VR = 12.8 V and Ta = 25 °C, as defined in the Electrical Characteristics table on page 2 of the REJ03G0182-0300 datasheet. This low leakage supports high-impedance reference networks without introducing measurable error.
Can HZ16-3LTA-E be used in automotive applications?
HZ16-3LTA-E is rated as a "Standard" quality grade device per Renesas' classification, intended for computers, office equipment, and industrial robots-not for automotive safety-critical systems. It lacks AEC-Q200 qualification and is not recommended for under-hood use without additional validation and derating per Renesas' quality grade guidance.
How does the noise performance of HZ16-3LTA-E compare to standard Zener diodes?
HZ16-3LTA-E achieves approximately 1/3 to 1/10 the noise level of conventional HZ-series Zeners due to optimized silicon planar junction design and processing. This reduction is confirmed in Renesas' characterization data and makes HZ16-3LTA-E suitable for low-noise audio biasing and precision instrumentation where broadband noise directly impacts SNR.
HZ16-3LTA-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:
- -
HZ16-3LTA-E FAQ
1.How can I place an order for HZ16-3LTA-E through Aetrix?
Please submit a Request for Quotation (RFQ) for HZ16-3LTA-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 HZ16-3LTA-E reliable?
The price and inventory of HZ16-3LTA-E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HZ16-3LTA-E is usually 5 days.
3.What payment methods are accepted for HZ16-3LTA-E?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HZ16-3LTA-E transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HZ16-3LTA-E?
HZ16-3LTA-E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HZ16-3LTA-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 HZ16-3LTA-E?
For technical support, including HZ16-3LTA-E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HZ16-3LTA-E requirements.
6.How does Aetrix verify that HZ16-3LTA-E is sourced from the original manufacturer or authorized distributors?
All HZ16-3LTA-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 HZ16-3LTA-E meets industry standards.
7.What is the process for return or replacement of HZ16-3LTA-E?
All HZ16-3LTA-E units undergo pre-shipment inspection (PSI). If there is an issue with HZ16-3LTA-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 HZ16-3LTA-E part is unused and in its original packaging.
Return procedure for HZ16-3LTA-E:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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