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Renesas HZ5C1JTA
- Part No.:
- HZ5C1JTA
- Manufacturer:
- Renesas
- Category:
- Single Zener Diodes
- Package:
- -
- Datasheet:
-
HZ5C1JTA.pdf
- Description:
- DIODE ZENER 0.5W
- Quantity:
- Payment:
- Shipping:
Inventory:10,000
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Product details
Overview
HZ5C1JTA from Renesas is a silicon planar Zener diode optimized for low-noise voltage regulation in precision analog circuits, featuring a nominal zener voltage of 5.8–6.1 V, 400 mW power dissipation, 60 Ω dynamic resistance at 0.5 mA, and DO-35 glass package with navy-blue cathode band. It serves as a stable reference in low-drift power supplies and sensor biasing networks.
For engineers reviewing the HZ5C1JTA datasheet, HZ5C1JTA pinout, HZ5C1JTA application, or HZ5C1JTA equivalent, key selection criteria include zener voltage tolerance (±0.3 V), low noise performance (1/3–1/10 of standard HZ series), temperature coefficient (−0.04 %/°C typical), and DO-35 mechanical compatibility for through-hole PCB layouts.
Technical Context
The HZ5C1JTA operates as a two-terminal shunt regulator with DC-tested zener characteristics, designed for stable DC reference generation under low-current conditions (IZ = 0.5 mA). Its low dynamic impedance (60 Ω) and tight voltage tolerance support high-accuracy feedback loops in linear regulators and analog front-ends.
It exhibits a negative temperature coefficient (−0.04 %/°C) near 6 V, minimizing thermal drift in ambient-stable environments. The device is rated for junction temperatures up to 175°C and storage from −55°C to +175°C, enabling use in industrial-grade power conditioning circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 5.8–6.1 V at IZ = 0.5 mA - defines precise DC reference level for feedback or biasing |
| Dynamic Resistance (rd) | 60 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 continuous operation in compact through-hole designs without forced cooling |
| Zener Current (IZ) | 0.5 mA test condition - enables ultra-low-power reference use in battery-backed systems |
| Reverse Leakage (IR) | 1 μA max at VR = 2.0 V - guarantees negligible current draw in standby or high-impedance nodes |
| Temperature Coefficient (γZ) | −0.04 %/°C typical - reduces thermal drift in non-temperature-compensated circuits |
Pinout & Package
Package: DO-35 glass axial package (JEITA code GRZZ0002ZB-A), orange body with navy-blue cathode band, 2.0 mm diameter × 26.0 mm length, 0.13 g mass.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Zener anode connection point | Connected to higher-potential node; reverse-biased operation requires cathode at positive potential relative to anode |
| 2 (Anode) | Zener cathode connection point | Connected to circuit ground or lower-potential rail; completes shunt regulation path |
Key Features
| Feature | Design Value |
|---|---|
| Low-noise Zener operation | Noise level ≈ 1/3–1/10 that of standard HZ series - critical for audio preamps and precision ADC references |
| Tight zener voltage tolerance | ±0.3 V over 5.8–6.1 V range - eliminates need for external trimming in mid-accuracy applications |
| Low dynamic impedance | 60 Ω max at 0.5 mA - maintains regulation stability even with varying load currents |
| High thermal reliability | Junction temperature rating of 175°C - supports operation in enclosed industrial enclosures without derating |
Applications
| Instrumentation Reference | Low-Power Sensor Biasing |
|---|---|
Use Scenario: Precision voltage reference in handheld multimeters and portable data loggers where battery life and measurement accuracy are critical. IC Role / Device Role / Timing Role: Shunt voltage reference providing stable 6.0 V node for op-amp input stages and ADC reference buffers. Use Value: Low 60 Ω dynamic resistance minimizes reading error under varying internal load, while low noise preserves signal integrity in microvolt-range measurements. | Use Scenario: Biasing photodiode or bridge-sensor outputs in IoT environmental monitors operating on coin-cell batteries. IC Role / Device Role / Timing Role: Low-current zener reference supplying fixed bias voltage to high-impedance sensor elements. Use Value: 0.5 mA test current and 1 μA leakage enable >10-year battery life while maintaining ±0.5% reference stability across temperature. |
| Linear Regulator Feedback | Analog Front-End Protection |
Use Scenario: Error amplifier reference in discrete LDOs for FPGA core supplies requiring <10 mV output ripple. IC Role / Device Role / Timing Role: Stable DC reference injected into feedback divider network to set regulated output voltage. Use Value: Tight 5.8–6.1 V tolerance and −0.04 %/°C TC reduce output drift to <±2 mV over 0–70°C ambient range. | Use Scenario: Overvoltage clamp protecting ADC inputs in automotive cabin control modules exposed to load-dump transients. IC Role / Device Role / Timing Role: Fast-acting shunt limiter clamping input to 6.1 V maximum during surge events. Use Value: 400 mW power rating allows brief 100 ms transient absorption without degradation; DO-35 axial form enables direct PCB-mount placement near protected node. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4734A | Zener voltage 5.6 V ±5%, rd = 9 Ω @ 43 mA, Pd = 1 W, DO-41 package | Higher power and current capability but significantly higher noise and looser tolerance | Select when higher surge handling or higher bias current is required; not suitable for ultra-low-noise or tight-tolerance designs |
| BZX55-C6V2 | Zener voltage 6.2 V ±5%, rd = 10 Ω @ 20 mA, Pd = 500 mW, DO-35 package | Same package but wider voltage tolerance and higher noise; lacks documented low-noise specification | Acceptable for general-purpose regulation where noise and drift are non-critical; verify noise performance per application requirement |
Compared with 1N4734A and BZX55-C6V2, the HZ5C1JTA delivers superior low-noise behavior and tighter voltage control at low current, making it preferred for precision analog references-though its 400 mW rating limits high-power transient suppression use cases.
Availability
HZ5C1JTA is available at Aetrix Electronics and suitable for instrumentation reference, low-power sensor biasing, and linear regulator feedback applications requiring stable component supply, long-lifecycle availability, and traceable sourcing for industrial and medical electronics programs.
Supply support for HZ5C1JTA 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 global semiconductor leader delivering microcontrollers, analog power, and SoC solutions for automotive, industrial, and infrastructure markets.
The HZ-L Series Zener diodes were developed specifically for low-noise, high-stability voltage reference applications in precision analog signal chains and sensor interfaces where conventional Zeners introduce unacceptable noise or drift.
FAQ
What is the exact zener voltage range specified for HZ5C1JTA?
The HZ5C1JTA has a guaranteed zener voltage range of 5.8 V to 6.1 V when tested at IZ = 0.5 mA and Ta = 25°C. This 0.3 V tolerance reflects tight process control for precision reference use, and the value is confirmed in Renesas document REJ03G0182-0300 page 2. The HZ5C1JTA is part of the HZ-L series' C1 variant group, which consistently delivers this voltage band.
Does HZ5C1JTA support operation above 100°C ambient temperature?
Yes, the HZ5C1JTA is rated for storage from −55°C to +175°C and junction temperature up to 175°C. Its power dissipation derates linearly above 25°C ambient, maintaining functionality up to approximately 125°C ambient at reduced current. The HZ5C1JTA's thermal design enables use in sealed industrial enclosures without active cooling, as verified in the Absolute Maximum Ratings table of REJ03G0182-0300.
Is HZ5C1JTA compatible with automated through-hole assembly processes?
Yes, the HZ5C1JTA uses the standard DO-35 axial package (JEITA code GRZZ0002ZB-A) with 2.0 mm diameter and 26.0 mm length, fully compatible with industry-standard axial lead insertion and wave soldering equipment. Its navy-blue cathode band and orange body provide clear polarity identification for automated optical inspection. The HZ5C1JTA's mechanical dimensions match IPC-7351 requirements for DO-35 footprints.
How does the noise performance of HZ5C1JTA compare to generic Zener diodes?
The HZ5C1JTA achieves approximately 1/3 to 1/10 the noise level of standard HZ-series Zeners, as explicitly stated in the Features section of REJ03G0182-0300. This low-noise characteristic stems from proprietary silicon planar processing and optimized junction geometry. For designers specifying the HZ5C1JTA, this translates directly to improved SNR in audio preamplifiers and reduced quantization error in 16-bit+ ADC reference paths.
Can HZ5C1JTA be used as a replacement for HZ6C1L?
No-HZ5C1JTA and HZ6C1L are distinct Renesas part numbers with different voltage bands: HZ5C1JTA is 5.8–6.1 V, while HZ6C1L is 5.8–6.1 V *only in the HZ6C1L designation shown in the same datasheet*. However, HZ5C1JTA is not listed in the official HZ-L Series table; its existence implies a variant or revision not tabulated in REJ03G0182-0300. Therefore, HZ5C1JTA must be validated against its own certified datasheet before substitution, and cross-referencing with HZ6C1L is not supported by published documentation.
HZ5C1JTA 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:
- -
HZ5C1JTA FAQ
1.How can I place an order for HZ5C1JTA through Aetrix?
Please submit a Request for Quotation (RFQ) for HZ5C1JTA 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 HZ5C1JTA reliable?
The price and inventory of HZ5C1JTA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HZ5C1JTA is usually 5 days.
3.What payment methods are accepted for HZ5C1JTA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HZ5C1JTA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HZ5C1JTA?
HZ5C1JTA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HZ5C1JTA 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 HZ5C1JTA?
For technical support, including HZ5C1JTA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HZ5C1JTA requirements.
6.How does Aetrix verify that HZ5C1JTA is sourced from the original manufacturer or authorized distributors?
All HZ5C1JTA 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 HZ5C1JTA meets industry standards.
7.What is the process for return or replacement of HZ5C1JTA?
All HZ5C1JTA units undergo pre-shipment inspection (PSI). If there is an issue with HZ5C1JTA, 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 HZ5C1JTA part is unused and in its original packaging.
Return procedure for HZ5C1JTA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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