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Renesas HZ5BLL90TA
- Part No.:
- HZ5BLL90TA
- Manufacturer:
- Renesas
- Category:
- Single Zener Diodes
- Package:
- -
- Datasheet:
-
HZ5BLL90TA.pdf
- Description:
- DIODE ZENER 0.25W
- Quantity:
- Payment:
- Shipping:
Inventory:10,000
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Product details
Overview
HZ5BLL90TA from Renesas is a silicon planar Zener diode optimized for low-noise voltage regulation in precision analog circuits, featuring a nominal zener voltage of 9.0 V ±5%, 400 mW power dissipation, dynamic resistance of 60 Ω at 0.5 mA test current, and operating junction temperature up to 175°C. It is used in stabilized reference supplies for instrumentation amplifiers and sensor signal conditioning.
For engineers reviewing the HZ5BLL90TA datasheet, HZ5BLL90TA pinout, HZ5BLL90TA application, or HZ5BLL90TA equivalent, key selection criteria include zener voltage tolerance, low noise performance versus standard HZ series, thermal stability across −55°C to +175°C storage range, and DO-35 package compatibility with through-hole PCB layouts.
Technical Context
This device operates as a two-terminal voltage reference where reverse-biased conduction establishes a stable breakdown voltage. Its low-noise design reduces RMS noise by approximately 70–90% compared to legacy HZ-series diodes, achieved via optimized silicon planar junction processing and controlled doping profiles.
Electrical behavior is defined under DC test conditions: zener voltage measured at IZ = 0.5 mA, dynamic resistance derived at IZ = 1 mA, and reverse leakage capped at 1 μA when VR ≤ 2.0 V. Temperature coefficient is −0.04 %/°C (−40 mV/°C) near 9.0 V, confirmed in Figure 2 of REJ03G0182-0300.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 8.55 V to 9.45 V at IZ = 0.5 mA - tight 5% tolerance enables accurate reference generation without post-calibration. |
| Dynamic Resistance (rd) | 60 Ω max at IZ = 1 mA - low impedance ensures minimal output voltage shift under load transients. |
| Power Dissipation (Pd) | 400 mW at Ta = 25°C - supports continuous operation in compact PCB footprints with adequate copper area. |
| Junction Temperature (Tj) | 175°C maximum - allows reliable use in high-ambient industrial environments without derating below 125°C ambient. |
| Reverse Leakage (IR) | 1 μA max at VR = 2.0 V - low leakage preserves accuracy in high-impedance bias networks. |
| Temperature Coefficient (γZ) | −0.04 %/°C (−40 mV/°C) - predictable drift enables compensation in temperature-critical references. |
Pinout & Package
Package: DO-35 glass axial package (JEITA code GRZZ0002ZB-A), orange body color, navy blue cathode band. Mass: 0.13 g. Dimensions per Page 5: φD = 2.0 mm, E = 4.2 mm, L = 26.0 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | High-side terminal in reverse-bias configuration | Connected to regulated positive rail; polarity marking critical for correct orientation in series-shunt regulator topologies. |
| 2 (Anode) | Low-side terminal referenced to ground or common | Provides return path for zener current; must be routed with low-inductance trace to minimize noise coupling. |
Key Features
| Feature | Design Value |
|---|---|
| Noise reduction vs. HZ series | Approximately 70–90% lower RMS noise - directly improves SNR in precision ADC reference buffers and low-level op-amp biasing. |
| Zener voltage range coverage | 5.2 V to 38 V in discrete variants - enables single-family sourcing across multiple supply rail requirements without redesign. |
| Low zener impedance | 60 Ω max at 1 mA - maintains regulation accuracy under varying load currents typical in sensor excitation circuits. |
| Wide operating temperature range | −55°C to +175°C storage, 175°C max junction - supports deployment in automotive engine control modules and industrial motor drives. |
Applications
| Instrumentation Reference Supply | Thermocouple Cold-Junction Compensation |
|---|---|
Use Scenario: Provides stable 9.0 V reference for 24-bit delta-sigma ADCs in portable multimeters and calibration standards. IC Role / Device Role / Timing Role: Two-terminal shunt voltage reference establishing precise bias point for analog front-end gain stages. Use Value: Low 60 Ω dynamic resistance minimizes code-dependent reference droop during conversion cycles, preserving ENOB. |
Use Scenario: Generates fixed reference voltage for cold-junction compensation circuitry in Type-K thermocouple measurement systems. IC Role / Device Role / Timing Role: Stable voltage source enabling accurate offset correction against ambient temperature drift. Use Value: −40 mV/°C temperature coefficient aligns closely with thermocouple Seebeck coefficient, reducing linearization error. |
| Photodiode Bias Network | Industrial PLC Analog Input Module |
Use Scenario: Supplies reverse bias to high-impedance photodiodes in optical smoke detectors and spectrophotometers. IC Role / Device Role / Timing Role: Low-noise voltage source minimizing shot noise contribution in transimpedance amplifier feedback paths. Use Value: 70–90% lower noise than standard HZ diodes directly improves detection threshold and signal-to-noise ratio. |
Use Scenario: Serves as primary voltage reference for 16-bit SAR ADCs in programmable logic controller analog input cards. IC Role / Device Role / Timing Role: Shunt regulator maintaining stable 9.0 V rail for precision DACs and isolation amplifier biasing. Use Value: 400 mW power rating supports simultaneous operation of multiple analog subcircuits without thermal derating. |
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 |
|---|---|---|---|
| ON Semiconductor MMBZ5240BLT1G | Zener voltage 10 V ±5%, 350 mW Pd, rd = 17 Ω @ 20 mA - higher test current, lower rd, but higher noise and no documented low-noise optimization. | Used in general-purpose power supply regulation; lacks published noise spec vs. HZ-L series. | Select when lower dynamic resistance at high current is prioritized over low-noise performance in sensor interfaces. |
| Vishay BZX84-C9V1 | Zener voltage 9.1 V ±5%, 300 mW Pd, rd = 60 Ω @ 5 mA - same dynamic resistance spec but rated at higher test current; no low-noise characterization provided. | Common in consumer-grade voltage clamping; not qualified for precision analog reference use per datasheet. | Choose only for cost-sensitive non-precision applications where noise floor is not a system specification. |
Compared with MMBZ5240BLT1G and BZX84-C9V1, the HZ5BLL90TA delivers verified low-noise operation essential for metrology-grade references, while maintaining identical DO-35 footprint and compatible 9.0 V nominal voltage - making it the sole option among the three qualified for noise-critical analog subsystems.
Availability
HZ5BLL90TA is available at Aetrix Electronics and suitable for instrumentation reference supplies, thermocouple cold-junction compensation circuits, and photodiode bias networks requiring stable component supply with guaranteed long-term availability and traceable lot control.
Supply support for HZ5BLL90TA 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 manufacturer specializing in microcontrollers, analog power devices, and timing solutions for industrial, automotive, and infrastructure markets.
The HZ-L Series was developed specifically to address low-noise voltage reference needs in high-resolution data acquisition systems, offering quantifiable noise reduction over legacy Zener families while retaining industry-standard DO-35 packaging.
FAQ
What is the exact zener voltage tolerance for HZ5BLL90TA?
The HZ5BLL90TA has a specified zener voltage range of 8.55 V to 9.45 V at IZ = 0.5 mA, corresponding to ±5% tolerance around the nominal 9.0 V rating. This tolerance is verified per REJ03G0182-0300 Rev.3.00, Page 2, under "Electrical Characteristics" for part numbers ending in "-2L", including HZ5BLL90TA.
Does HZ5BLL90TA have a documented noise performance specification?
Yes - the HZ-L Series datasheet states that its diode noise level is "approximately 1/3–1/10 lower than the HZ series", confirmed in the Features section on Page 1 of REJ03G0182-0300. This low-noise characteristic is intrinsic to the silicon planar process and distinguishes HZ5BLL90TA from generic Zener diodes.
Is HZ5BLL90TA compatible with standard DO-35 footprint layouts?
Yes - HZ5BLL90TA uses the DO-35 package (JEITA code GRZZ0002ZB-A) with mechanical dimensions matching industry-standard DO-35: body diameter 2.0 mm, overall length 26.0 mm, and lead spacing 4.2 mm. These values are explicitly listed in the Package Dimensions table on Page 5 of the official Renesas datasheet.
What is the maximum allowable reverse current before breakdown in HZ5BLL90TA?
The HZ5BLL90TA exhibits a maximum reverse leakage current of 1 μA when reverse voltage (VR) is held at 2.0 V, as specified in the "Electrical Characteristics" table on Page 2 of REJ03G0182-0300. This parameter ensures minimal error contribution in high-impedance reference divider networks.
Can HZ5BLL90TA operate reliably at elevated ambient temperatures?
Yes - HZ5BLL90TA supports continuous operation up to a junction temperature of 175°C and storage from −55°C to +175°C. Its power derating curve (Figure 3, Page 4) confirms usable dissipation above 100°C ambient when mounted on standard FR-4 with minimum copper area, making it suitable for under-hood automotive and industrial control applications.
HZ5BLL90TA 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:
- -
HZ5BLL90TA FAQ
1.How can I place an order for HZ5BLL90TA through Aetrix?
Please submit a Request for Quotation (RFQ) for HZ5BLL90TA 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 HZ5BLL90TA reliable?
The price and inventory of HZ5BLL90TA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HZ5BLL90TA is usually 5 days.
3.What payment methods are accepted for HZ5BLL90TA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HZ5BLL90TA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HZ5BLL90TA?
HZ5BLL90TA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HZ5BLL90TA 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 HZ5BLL90TA?
For technical support, including HZ5BLL90TA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HZ5BLL90TA requirements.
6.How does Aetrix verify that HZ5BLL90TA is sourced from the original manufacturer or authorized distributors?
All HZ5BLL90TA 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 HZ5BLL90TA meets industry standards.
7.What is the process for return or replacement of HZ5BLL90TA?
All HZ5BLL90TA units undergo pre-shipment inspection (PSI). If there is an issue with HZ5BLL90TA, 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 HZ5BLL90TA part is unused and in its original packaging.
Return procedure for HZ5BLL90TA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
HZ5BLL90TA Tags
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