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Renesas HZS15NB1TA-E
- Part No.:
- HZS15NB1TA-E
- Manufacturer:
- Renesas
- Category:
- Single Zener Diodes
- Package:
- -
- Datasheet:
-
HZS15NB1TA-E.pdf
- Description:
- DIODE ZENER 0.4W
- Quantity:
- Payment:
- Shipping:
Inventory:10,000
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Product details
Overview
HZS15NB1TA-E from Renesas Electronics is a silicon planar Zener diode designed for precision voltage regulation in low-power stabilized power supplies. It delivers a nominal zener voltage of 14.42–15.02 V at 5 mA test current, with dynamic resistance of 11 Ω, maximum power dissipation of 400 mW, and junction temperature rating up to 200°C - enabling use in compact industrial power rails and reference circuits.
For engineers reviewing the HZS15NB1TA-E datasheet, HZS15NB1TA-E pinout, HZS15NB1TA-E application, or HZS15NB1TA-E equivalent, this device serves as a stable, low-leakage (≤0.2 μA at VR = 11 V), low-impedance voltage reference in analog sensing front-ends, overvoltage clamping networks, and biasing circuits where tight tolerance and thermal stability are required.
Technical Context
The HZS15NB1TA-E operates as a two-terminal, cathode-anode configured Zener diode with breakdown governed by avalanche mechanism above ~6 V. Its zener voltage exhibits a positive temperature coefficient (~+0.06 %/°C at 15 V), requiring thermal derating above 25°C ambient per the published Pd vs. Ta curve.
It is rated for continuous DC operation within its absolute maximum ratings and supports pulsed testing (PW = 40 ms). The device is not intended for surge suppression or transient voltage protection - its design targets steady-state regulation with low dynamic impedance and minimal leakage under reverse bias.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 14.42–15.02 V at IZ = 5 mA - defines precise regulation point for feedback or reference nodes |
| Dynamic Resistance (rd) | 11 Ω max at IZ = 5 mA - ensures minimal output voltage variation under load current changes |
| Reverse Leakage (IR) | ≤0.2 μA at VR = 11 V - enables high-impedance biasing without significant error current |
| Power Dissipation (Pd) | 400 mW max at Ta = 25°C - sets thermal limit for PCB layout and heatsinking requirements |
| Junction Temperature (Tj) | −55 to +200°C - supports operation in extended industrial environments without derating penalty |
| Zener Voltage Tempco (γZ) | +0.06 %/°C typical - allows predictable drift compensation in temperature-critical references |
Pinout & Package
Package: MHD (JEITA code GRZZ0002ZC-A), axial lead, 5 mm pitch, 2.0 mm diameter body, 26.0 mm length - optimized for high-speed automatic insertion and wave soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | High-side terminal during reverse breakdown | Connected to regulated voltage node; marked with black band; carries full zener current |
| 2 (Anode) | Low-side terminal during reverse breakdown | Typically grounded or tied to lower potential; completes current path for regulation |
Key Features
| Feature | Design Value |
|---|---|
| Low zener impedance | 11 Ω max ensures <11 mV output shift per 1 mA load change - critical for precision references |
| Wide operating temperature range | −55°C to +200°C junction rating supports deployment in automotive engine bays and industrial motor drives |
| Low reverse leakage | ≤0.2 μA at 11 V enables use in ultra-low-power sensor biasing without signal degradation |
| Stable voltage grade B1 | Tighter VZ tolerance (±2.1% at 15 V) versus B2/B3 grades - reduces calibration overhead in production |
| Standard MHD package | 5 mm pitch and axial leads allow compatibility with legacy through-hole assembly lines and manual prototyping |
Applications
| Industrial Power Monitor | Analog Sensor Biasing |
|---|---|
Use Scenario: Monitoring 24 V DC bus voltage in PLC I/O modules using resistive divider + ADC. IC Role / Device Role / Timing Role: Zener reference providing stable 15 V rail for ADC reference buffer and divider scaling. Use Value: 11 Ω rd minimizes loading error on divider; ±2.1% VZ tolerance eliminates per-unit trimming. |
Use Scenario: Supplying bias current to a thermistor-based temperature transducer in HVAC control boards. IC Role / Device Role / Timing Role: Precision current source formed by series resistor + HZS15NB1TA-E regulating voltage across resistor. Use Value: ≤0.2 μA leakage avoids injection error into high-impedance sensor node; +0.06%/°C tempco enables predictable drift modeling. |
| Overvoltage Clamp | Reference Voltage Generator |
Use Scenario: Protecting microcontroller GPIO pins from transient overvoltage on 12 V supply rail. IC Role / Device Role / Timing Role: Shunt clamp limiting voltage to 15 V during surges, sinking excess current to ground. Use Value: 400 mW Pd sustains short-duration 300 mA clamping current; 200°C Tj prevents thermal runaway during fault. |
Use Scenario: Generating stable 15 V reference for op-amp comparators in battery management cutoff circuits. IC Role / Device Role / Timing Role: Primary voltage reference establishing trip threshold independent of main supply variation. Use Value: Low tempco and tight VZ tolerance ensure consistent 15 V threshold across −40°C to +85°C operating range. |
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 |
|---|---|---|---|
| BZX84-C15 (Nexperia) | 15 V nominal, ±5% tolerance, SOT-23 package, 300 mW Pd, rd ≈ 30 Ω | SMT-only; higher impedance and looser tolerance; unsuitable for precision analog references | Select when board space is constrained and regulation accuracy <±3% is acceptable |
| 1N4744A (ON Semiconductor) | 15 V nominal, ±5% tolerance, DO-41 package, 1 W Pd, rd ≈ 14 Ω | Higher power but wider VZ spread; larger footprint; no B1-grade tight tolerance option | Select when >400 mW continuous dissipation is required and tighter VZ tolerance is not critical |
Compared with BZX84-C15 and 1N4744A, the HZS15NB1TA-E offers superior voltage accuracy (±2.1%), lower dynamic impedance (11 Ω), and guaranteed low leakage - making it the preferred choice for industrial analog signal chains where reference stability directly impacts measurement fidelity.
Availability
HZS15NB1TA-E is available at Aetrix Electronics and suitable for industrial power monitors, analog sensor biasing, overvoltage clamping, and reference voltage generation requiring stable component supply, long-term lifecycle support, and traceable sourcing for production programs.
Supply support for HZS15NB1TA-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-N Series was developed as a family of precision silicon planar Zener diodes targeting stable, low-drift voltage references in industrial power supplies and analog signal conditioning - emphasizing tight tolerance, low impedance, and high-temperature reliability.
FAQ
What is the zener voltage tolerance of HZS15NB1TA-E?
The HZS15NB1TA-E has a zener voltage range of 14.42 V to 15.02 V at 5 mA test current, corresponding to a ±2.1% tolerance around the nominal 15 V rating. This B1-grade specification is tighter than standard B2/B3 variants and is confirmed in the Renesas REJ03G0185-0300 datasheet, page 3. The HZS15NB1TA-E achieves this consistency via process-controlled avalanche breakdown characteristics.
Does HZS15NB1TA-E support surface-mount assembly?
No, the HZS15NB1TA-E uses the MHD axial-leaded package (JEITA code GRZZ0002ZC-A) with 5 mm pitch and 26 mm length - designed exclusively for through-hole mounting and high-speed automatic insertion. It is not compatible with reflow or wave soldering processes intended for SMT components. The HZS15NB1TA-E requires hole drilling and wave soldering or hand-soldering in PCB layouts.
What is the maximum reverse leakage current for HZS15NB1TA-E?
The maximum reverse leakage current for HZS15NB1TA-E is 0.2 μA at VR = 11 V and Ta = 25°C, as specified in the Electrical Characteristics table on page 3 of the Renesas datasheet. This low leakage supports high-impedance biasing applications such as sensor excitation and reference divider networks where injected current must be minimized. The HZS15NB1TA-E maintains this performance across its rated temperature range.
Can HZS15NB1TA-E be used in automotive under-hood applications?
The HZS15NB1TA-E is rated for junction temperatures up to 200°C and storage from −55°C to +175°C, meeting thermal requirements for many under-hood locations. However, Renesas classifies it as "Standard" quality grade - intended for industrial equipment, not automotive safety-critical systems. For automotive use, formal qualification per AEC-Q200 and manufacturer approval are required; the HZS15NB1TA-E itself is not AEC-Q200 qualified.
What is the dynamic resistance of HZS15NB1TA-E and why does it matter?
The dynamic resistance (rd) of HZS15NB1TA-E is 11 Ω maximum at IZ = 5 mA, per the datasheet's Electrical Characteristics table. This value quantifies how much the zener voltage changes per unit change in current - a lower rd means better regulation stability under varying load conditions. In precision applications like ADC references or comparator thresholds, the HZS15NB1TA-E's 11 Ω rd limits voltage shift to just 11 mV per 1 mA current fluctuation.
HZS15NB1TA-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:
- -
HZS15NB1TA-E FAQ
1.How can I place an order for HZS15NB1TA-E through Aetrix?
Please submit a Request for Quotation (RFQ) for HZS15NB1TA-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 HZS15NB1TA-E reliable?
The price and inventory of HZS15NB1TA-E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HZS15NB1TA-E is usually 5 days.
3.What payment methods are accepted for HZS15NB1TA-E?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HZS15NB1TA-E transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HZS15NB1TA-E?
HZS15NB1TA-E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HZS15NB1TA-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 HZS15NB1TA-E?
For technical support, including HZS15NB1TA-E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HZS15NB1TA-E requirements.
6.How does Aetrix verify that HZS15NB1TA-E is sourced from the original manufacturer or authorized distributors?
All HZS15NB1TA-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 HZS15NB1TA-E meets industry standards.
7.What is the process for return or replacement of HZS15NB1TA-E?
All HZS15NB1TA-E units undergo pre-shipment inspection (PSI). If there is an issue with HZS15NB1TA-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 HZS15NB1TA-E part is unused and in its original packaging.
Return procedure for HZS15NB1TA-E:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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