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Renesas HZM2.4NB-JTR-E
- Part No.:
- HZM2.4NB-JTR-E
- Manufacturer:
- Renesas
- Category:
- Single Zener Diodes
- Package:
- -
- Datasheet:
-
HZM2.4NB-JTR-E.pdf
- Description:
- DIODE ZENER
- Quantity:
- Payment:
- Shipping:
Inventory:18,000
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Product details
Overview
HZM2.4NB-JTR-E from Renesas Electronics is a silicon epitaxial planar Zener diode designed for precision voltage stabilization in low-power analog and digital reference circuits, with a nominal zener voltage of 2.4 V (min 2.30 V, max 2.60 V at 5 mA), 200 mW power dissipation, and dynamic resistance of ≤120 Ω - deployed in power supply feedback loops, sensor biasing, and ADC reference conditioning.
For engineers reviewing the HZM2.4NB-JTR-E datasheet, HZM2.4NB-JTR-E pinout, HZM2.4NB-JTR-E application, or HZM2.4NB-JTR-E equivalent, key selection criteria include zener voltage tolerance (±0.1 V), low dynamic impedance for stable regulation under load transients, MPAK surface-mount package compatibility with high-density PCB layouts, and thermal performance up to 150°C junction temperature.
Technical Context
The HZM2.4NB-JTR-E operates as a two-terminal shunt regulator, maintaining a stable reverse-biased breakdown voltage across its cathode–anode terminals when current exceeds the knee threshold. Its epitaxial planar construction ensures tight VZ distribution and predictable temperature coefficient behavior.
It exhibits a negative temperature coefficient near 2.4 V (≈ –0.03 mV/°C per Fig.2), enabling predictable drift compensation in mixed-signal systems. The device is rated for 2 μA maximum reverse leakage at 1.0 V and supports pulsed testing (40 ms) per absolute maximum ratings.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 2.30–2.60 V at IZ = 5 mA - defines precise DC reference point for low-voltage analog circuitry. |
| Power Dissipation (Pd) | 200 mW at Ta = 25°C - limits continuous operating current to ~83 mA at 2.4 V without derating. |
| Dynamic Resistance (rd) | ≤120 Ω at IZ = 5 mA - ensures minimal output voltage shift under small-signal load variations. |
| Reverse Current (IR) | ≤120 μA at VR = 0.5 V - guarantees low standby leakage in battery-powered sensing nodes. |
| Junction Temperature (Tj) | –55°C to +150°C - supports operation in industrial ambient environments without external heatsinking. |
| Package | MPAK (JEITA PLSP0003ZC-A) - 3-pin SMT package with 2.7 × 1.35 mm footprint and 0.65 mm height for automated assembly. |
Pinout & Package
MPAK package: 3-terminal surface-mount device with exposed cathode pad; dimensions 2.7 mm × 1.35 mm × 0.65 mm (L × W × H); terminal pitch 1.95 mm; weight 0.011 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | No Connect (NC) | Electrically isolated terminal; no internal connection - must remain unconnected on PCB. |
| 2 | Anode | Forward-bias input terminal; connected to lower-potential node in shunt regulation configuration. |
| 3 | Cathode | Reverse-bias output terminal; supplies stabilized voltage to load when biased above VZ. |
Key Features
| Feature | Design Value |
|---|---|
| Grade-B Zener Voltage Tightness | ±0.1 V tolerance at 2.4 V enables direct replacement in legacy 2.5 V reference designs without recalibration. |
| Low Dynamic Impedance | ≤120 Ω ensures <1 mV output variation per 100 μA load step - critical for high-resolution ADC references. |
| MPAK Surface-Mount Package | 0.65 mm profile and 2.7 × 1.35 mm footprint supports ultra-compact layout in space-constrained IoT sensor modules. |
| High-Temperature Operation | Rated to 150°C junction temperature - suitable for under-hood automotive sensors and industrial motor control PCBs. |
Applications
| Industrial Sensor Signal Conditioning | Low-Voltage Microcontroller Reference |
|---|---|
|
Use Scenario: Stabilizing excitation voltage for resistive bridge sensors (e.g., pressure, load cell) in 3.3 V systems. IC Role / Device Role / Timing Role: Shunt voltage reference providing fixed 2.4 V bias to bridge arms and instrumentation amplifier inputs. Use Value: Enables sub-0.1% full-scale measurement accuracy by minimizing VREF drift over –40°C to +85°C ambient. |
Use Scenario: Supplying precise reference to 12-bit SAR ADCs in battery-powered edge nodes. IC Role / Device Role / Timing Role: Low-noise, low-drift analog reference source replacing larger-footprint TL431-based solutions. Use Value: Reduces reference error contribution to <0.05 LSB at 2.4 V, extending effective resolution without calibration. |
| USB-Powered Peripheral Regulation | Optocoupler Feedback Loop |
|
Use Scenario: Generating local 2.4 V rail from 5 V USB input for analog front-end ICs in portable test equipment. IC Role / Device Role / Timing Role: Passive shunt regulator clamping output after LDO pre-regulation to improve PSRR. Use Value: Suppresses ripple-induced noise below 10 μVpp, meeting EN 61000-4-3 immunity requirements. |
Use Scenario: Setting precise feedback threshold in isolated flyback converters using PC817 optocouplers. IC Role / Device Role / Timing Role: Zener clamp defining secondary-side error amplifier reference voltage in primary-side regulation schemes. Use Value: Achieves ±1.5% output voltage tolerance across line/load/temperature without secondary-side controller. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode voltage stabilization applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C2V4LT1G | 2.4 V ±5% (0.12 V tolerance), SOT-23 package, 350 mW Pd, rd ≈ 100 Ω | Higher power rating but looser VZ tolerance; requires layout change due to different footprint. | Preferred where higher surge capability is needed and board space allows SOT-23 rework. |
| MMSZ4678ET1G | 2.4 V ±5%, SOD-123 package, 500 mW Pd, rd ≈ 150 Ω, 100 nA IR @ 1 V | Lower leakage but higher dynamic resistance; larger 2.9 × 1.7 mm body vs. MPAK's 2.7 × 1.35 mm. | Chosen when ultra-low standby current dominates over regulation precision in energy-harvesting designs. |
Compared with BZX84-C2V4LT1G and MMSZ4678ET1G, the HZM2.4NB-JTR-E delivers tighter VZ tolerance (±0.1 V vs. ±5%), smaller MPAK footprint, and optimized rd for low-noise analog references - making it preferable for high-accuracy, space-constrained stabilization where leakage and power are secondary concerns.
Availability
HZM2.4NB-JTR-E is available at Aetrix Electronics and suitable for industrial sensor signal conditioning, low-voltage microcontroller reference, and USB-powered peripheral regulation requiring stable component supply, consistent parametric performance, and long-term manufacturing continuity.
Supply support for HZM2.4NB-JTR-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 is a global semiconductor leader delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, and enterprise applications.
The HZM-N Series targets precision voltage reference needs in cost-sensitive, high-volume analog subsystems - engineered for tight VZ distribution, robust thermal stability, and compatibility with high-speed SMT assembly lines.
FAQ
What is the exact zener voltage range for HZM2.4NB-JTR-E at 5 mA test current?
The HZM2.4NB-JTR-E has a guaranteed zener voltage range of 2.30 V to 2.60 V when tested at IZ = 5 mA and Ta = 25°C, per the Grade-B specification in the R07DS0358EJ0600 datasheet. This ±0.1 V tolerance supports accurate low-voltage referencing without post-manufacturing trimming.
Is pin 1 of HZM2.4NB-JTR-E electrically connected internally?
No - pin 1 of the HZM2.4NB-JTR-E is designated NC (No Connect) and has no internal electrical connection. It must remain unconnected on the PCB layout to avoid unintended coupling or mechanical stress on the die bond wire.
Can HZM2.4NB-JTR-E replace a standard 2.5 V Zener diode in existing designs?
Yes - the HZM2.4NB-JTR-E's 2.30–2.60 V range overlaps the typical 2.5 V ±5% (2.375–2.625 V) window, and its MPAK footprint matches common 3-pin SMT placements. However, verify that system-level tolerance budgets accommodate the 2.4 V nominal value instead of 2.5 V.
What is the maximum allowable reverse voltage before breakdown for HZM2.4NB-JTR-E?
The HZM2.4NB-JTR-E begins controlled zener breakdown at approximately 2.3 V and maintains regulation up to its rated power limit. Applying >2.6 V continuously risks exceeding Pd = 200 mW unless series resistance limits current - always operate within the 2.30–2.60 V band at IZ = 5 mA for specified performance.
Does HZM2.4NB-JTR-E meet RoHS and lead-free soldering requirements?
Yes - HZM2.4NB-JTR-E complies with EU RoHS Directive 2011/65/EU and supports lead-free reflow soldering per JEDEC J-STD-020. The MPAK package uses matte tin plating and is rated for peak reflow temperatures up to 260°C.
HZM2.4NB-JTR-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:
- -
HZM2.4NB-JTR-E FAQ
1.How can I place an order for HZM2.4NB-JTR-E through Aetrix?
Please submit a Request for Quotation (RFQ) for HZM2.4NB-JTR-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 HZM2.4NB-JTR-E reliable?
The price and inventory of HZM2.4NB-JTR-E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HZM2.4NB-JTR-E is usually 5 days.
3.What payment methods are accepted for HZM2.4NB-JTR-E?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HZM2.4NB-JTR-E transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HZM2.4NB-JTR-E?
HZM2.4NB-JTR-E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HZM2.4NB-JTR-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 HZM2.4NB-JTR-E?
For technical support, including HZM2.4NB-JTR-E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HZM2.4NB-JTR-E requirements.
6.How does Aetrix verify that HZM2.4NB-JTR-E is sourced from the original manufacturer or authorized distributors?
All HZM2.4NB-JTR-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 HZM2.4NB-JTR-E meets industry standards.
7.What is the process for return or replacement of HZM2.4NB-JTR-E?
All HZM2.4NB-JTR-E units undergo pre-shipment inspection (PSI). If there is an issue with HZM2.4NB-JTR-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 HZM2.4NB-JTR-E part is unused and in its original packaging.
Return procedure for HZM2.4NB-JTR-E:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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