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Renesas HZS36-2LTD-E
- Part No.:
- HZS36-2LTD-E
- Manufacturer:
- Renesas
- Category:
- Single Zener Diodes
- Package:
- -
- Datasheet:
-
HZS36-2LTD-E.pdf
- Description:
- DIODE ZENER
- Quantity:
- Payment:
- Shipping:
Inventory:12,500
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Product details
Overview
HZS36-2LTD-E from Renesas Electronics is a silicon planar Zener diode optimized for low-noise voltage reference and stabilization in precision analog circuits, featuring a nominal zener voltage of 35.3–36.8 V, 400 mW power dissipation, and dynamic resistance of 33 Ω at 0.5 mA test current. It is used in high-stability power supplies, instrumentation references, and sensor excitation circuits where low noise and tight voltage tolerance are critical.
For engineers reviewing the HZS36-2LTD-E datasheet, HZS36-2LTD-E pinout, HZS36-2LTD-E application, or HZS36-2LTD-E equivalent, key selection criteria include zener voltage accuracy (±1.5 V), temperature coefficient (−0.04 %/°C typical), low leakage (<1 μA at VR = 28.2 V), and compatibility with 5 mm-pitch automated insertion.
Technical Context
This device operates as a two-terminal shunt voltage regulator, maintaining stable output voltage across varying load currents via controlled reverse-bias breakdown. Its planar junction construction ensures reproducible zener characteristics and low flicker noise-approximately 1/3 to 1/10 that of the legacy HZ series.
Designed for DC-regulated applications, it exhibits a negative temperature coefficient (−0.04 %/°C) near 36 V, enabling predictable drift compensation in reference designs. The MHD package supports thermal dissipation up to 400 mW at 25°C ambient, derating linearly above 50°C per Figure 3 in the datasheet.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 35.3–36.8 V at IZ = 0.5 mA - defines precise regulation point for mid-range high-voltage references |
| Dynamic Resistance (rd) | 33 Ω max at IZ = 0.5 mA - ensures minimal output impedance and high line/load regulation stability |
| Power Dissipation (Pd) | 400 mW - enables use in compact PCB layouts without forced cooling in ambient ≤50°C |
| Reverse Leakage (IR) | <1 μA at VR = 28.2 V - reduces error current in high-impedance reference nodes |
| Zener Temp. Coefficient (γZ) | −0.04 %/°C typical - allows predictable drift modeling for temperature-compensated designs |
| Junction Temperature (Tj) | 200°C maximum - supports operation in thermally demanding industrial environments |
| Package | MHD (JEITA GRZZ0002ZC-A) - standardized 2-pin axial lead, 5 mm pitch compatible with high-speed auto-insertion |
Pinout & Package
The HZS36-2LTD-E is housed in the MHD axial-leaded package (JEITA code GRZZ0002ZC-A), with 2.0 mm body diameter, 26 mm lead length, and 0.4 mm lead diameter. Cathode identified by black band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Banded End) | Cathode | Connected to regulated output node; reverse-biased terminal where zener breakdown occurs |
| 2 (Non-banded End) | Anode | Connected to circuit ground or lower potential; completes bias path for stable reference operation |
Key Features
| Feature | Design Value |
|---|---|
| Low-noise zener operation | Noise level ~1/3–1/10 that of HZ-series diodes - critical for audio, measurement, and precision ADC reference circuits |
| Stable voltage regulation | ±1.5 V tolerance over full operating range - enables accurate calibration without post-trim in production |
| High power density | 400 mW in MHD package - supports higher current references than standard 250 mW Zeners without footprint increase |
| Automated assembly compatibility | 5 mm pitch axial leads - directly compatible with high-throughput pick-and-place and wave soldering equipment |
| Wide operating temperature | −55°C to +175°C storage, 200°C junction - suitable for under-hood automotive and industrial control modules |
Applications
| Industrial Power Monitoring | Medical Sensor Excitation |
|---|---|
|
Use Scenario: High-voltage rail monitoring in PLC analog input modules requiring ±0.5% reference stability over temperature. IC Role / Device Role / Timing Role: Shunt voltage reference providing stable 36 V reference for 16-bit SAR ADC driver stages. Use Value: Low dynamic resistance (33 Ω) minimizes gain error from source impedance mismatch in op-amp buffer circuits. |
Use Scenario: Excitation source for strain-gauge bridges in portable diagnostic devices operating from battery-supplied rails. IC Role / Device Role / Timing Role: Precision voltage reference for constant-current source generation in bridge bias networks. Use Value: Ultra-low leakage (<1 μA) prevents offset drift in high-impedance feedback paths of instrumentation amplifiers. |
| Test Equipment Reference | Automotive ECU Calibration |
|
Use Scenario: Calibration reference in handheld multimeters needing traceable 36 V output with <10 ppm/°C drift. IC Role / Device Role / Timing Role: Primary zener reference in dual-slope integrator reference chain. Use Value: Predictable −0.04 %/°C tempco enables software-based two-point calibration across −20°C to +70°C. |
Use Scenario: On-board voltage reference for knock sensor signal conditioning in engine control units exposed to under-hood heat. IC Role / Device Role / Timing Role: Stable bias reference for differential amplifier front-end in high-EMI environments. Use Value: 200°C junction rating and low noise ensure reliable operation without derating in 125°C ambient conditions. |
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 MMBZ5267BLT1G | Zener voltage 36 V ±5%, Pd = 350 mW, rd = 55 Ω - higher impedance and looser tolerance | Suitable for general-purpose regulation but not low-noise instrumentation | Prefer HZS36-2LTD-E when noise < 10 nV/√Hz or tempco < ±0.05 %/°C is required |
| Vishay BZX84-C36 | Zener voltage 36 V ±5%, Pd = 300 mW, rd = 70 Ω - higher impedance and wider voltage spread | Targeted at cost-sensitive consumer power supplies, not precision analog | Choose HZS36-2LTD-E for applications demanding ≤1 μA leakage and 33 Ω rd at 0.5 mA |
Compared with MMBZ5267BLT1G and BZX84-C36, the HZS36-2LTD-E delivers superior voltage accuracy (±1.5 V vs. ±1.8 V), lower dynamic resistance (33 Ω vs. ≥55 Ω), and verified low-noise performance-making it the preferred choice for metrology-grade references and sensor signal chains.
Availability
HZS36-2LTD-E is available at Aetrix Electronics and suitable for industrial power monitoring, medical sensor excitation, test equipment reference, and automotive ECU calibration requiring stable component supply and long-term manufacturability.
Supply support for HZS36-2LTD-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 global semiconductor leader specializing in microcontrollers, analog, power, and timing solutions for industrial, automotive, and infrastructure markets.
The HZS-L Series was developed specifically for low-noise, high-stability voltage reference applications in precision analog systems-emphasizing tight zener voltage tolerance, ultra-low leakage, and repeatable temperature behavior.
FAQ
What is the exact zener voltage range for HZS36-2LTD-E?
The HZS36-2LTD-E has a specified zener voltage range of 35.3 V to 36.8 V when tested at IZ = 0.5 mA and Ta = 25°C. This 1.5 V span reflects factory binning for tighter regulation than generic 36 V Zeners, supporting high-accuracy reference design without external trimming.
Does HZS36-2LTD-E support automated PCB assembly?
Yes, the HZS36-2LTD-E uses the MHD axial package with 5 mm lead pitch, explicitly qualified for high-speed automatic insertion per the datasheet. Its standardized dimensions (2.0 mm body diameter, 26 mm lead length) ensure compatibility with industry-standard feeders and placement nozzles.
How does the noise performance of HZS36-2LTD-E compare to standard Zener diodes?
The HZS36-2LTD-E achieves approximately 1/3 to 1/10 the noise level of the legacy HZ series, as confirmed in Renesas' characterization data. This low flicker noise is intrinsic to its silicon planar process and makes it suitable for audio preamps, precision DAC references, and low-level sensor interfaces.
What is the maximum allowable reverse current before breakdown in HZS36-2LTD-E?
The HZS36-2LTD-E specifies reverse leakage current IR ≤ 1 μA at VR = 28.2 V (80% of nominal VZ). This ultra-low leakage ensures minimal error current in high-impedance reference divider networks and preserves accuracy in battery-powered instrumentation.
Can HZS36-2LTD-E be used in automotive under-hood applications?
Yes - the HZS36-2LTD-E has a rated junction temperature of 200°C and storage range of −55°C to +175°C. When mounted on appropriate copper area and operated within its 400 mW derated power envelope, it meets thermal requirements for non-safety-critical engine control module references.
HZS36-2LTD-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:
- -
HZS36-2LTD-E FAQ
1.How can I place an order for HZS36-2LTD-E through Aetrix?
Please submit a Request for Quotation (RFQ) for HZS36-2LTD-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 HZS36-2LTD-E reliable?
The price and inventory of HZS36-2LTD-E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HZS36-2LTD-E is usually 5 days.
3.What payment methods are accepted for HZS36-2LTD-E?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HZS36-2LTD-E transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HZS36-2LTD-E?
HZS36-2LTD-E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HZS36-2LTD-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 HZS36-2LTD-E?
For technical support, including HZS36-2LTD-E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HZS36-2LTD-E requirements.
6.How does Aetrix verify that HZS36-2LTD-E is sourced from the original manufacturer or authorized distributors?
All HZS36-2LTD-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 HZS36-2LTD-E meets industry standards.
7.What is the process for return or replacement of HZS36-2LTD-E?
All HZS36-2LTD-E units undergo pre-shipment inspection (PSI). If there is an issue with HZS36-2LTD-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 HZS36-2LTD-E part is unused and in its original packaging.
Return procedure for HZS36-2LTD-E:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
HZS36-2LTD-E Tags
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