My Inquiry
My Account
Renesas HZM5.1NB3TR-E
- Part No.:
- HZM5.1NB3TR-E
- Manufacturer:
- Renesas
- Category:
- Single Zener Diodes
- Package:
- -
- Datasheet:
-
HZM5.1NB3TR-E.pdf
- Description:
- DIODE ZENER
- Quantity:
- Payment:
- Shipping:
Inventory:13,000
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
HZM5.1NB3TR-E from Renesas Electronics is a silicon epitaxial planar Zener diode designed for precision voltage stabilization in low-power analog and reference circuits, with a nominal zener voltage of 5.14–5.37 V at 5 mA, dynamic resistance of ≤130 Ω, power dissipation of 200 mW, and MPAK surface-mount package suitable for high-density PCB layouts.
For engineers reviewing the HZM5.1NB3TR-E datasheet, HZM5.1NB3TR-E pinout, HZM5.1NB3TR-E application, or HZM5.1NB3TR-E equivalent, this device serves as a stable, low-noise voltage reference in sensor signal conditioning, power supply feedback loops, and overvoltage protection circuits where tight tolerance and thermal stability are required.
Technical Context
The HZM5.1NB3TR-E operates as a two-terminal shunt regulator, maintaining a stable reverse-biased breakdown voltage across its cathode–anode terminals under controlled test current (IZ = 5 mA). Its graded B3 tolerance (±2.3% VZ) and temperature coefficient of approximately +0.025 mV/°C (per Fig.2) support predictable drift behavior in ambient ranges from –55°C to +150°C.
Constructed using silicon epitaxial planar technology, it delivers low dynamic impedance (rd ≤ 130 Ω), low leakage (IR ≤ 5 µA at VR = 1.5 V), and junction temperature capability up to 150°C - enabling reliable operation in compact, thermally constrained industrial and automotive-qualified systems without active cooling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 5.14–5.37 V at IZ = 5 mA - defines precise regulation point for feedback or clamping applications |
| Dynamic Resistance (rd) | ≤130 Ω at IZ = 5 mA - ensures minimal output voltage variation under load transients |
| Reverse Current (IR) | ≤5 µA at VR = 1.5 V - guarantees low standby leakage in battery-powered or high-impedance nodes |
| Power Dissipation (Pd) | 200 mW at Ta = 25°C - supports operation in small-footprint PCBs without forced airflow |
| Junction Temperature (Tj) | 150°C maximum - enables use in under-hood or enclosed industrial enclosures |
| Storage Temperature | –55°C to +150°C - compatible with extended industrial and automotive storage conditions |
| Package | MPAK (JEITA PLSP0003ZC-A) - 3-pin SMT package with 0.65 mm lead pitch and 2.7 × 1.35 mm footprint |
Pinout & Package
MPAK package: 3-terminal surface-mount device with exposed cathode pad; dimensions 2.7 mm × 1.35 mm × 0.95 mm (L × W × H); terminal pitch 0.65 mm; weight 0.011 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | No Connect (NC) | Internally unconnected - must remain floating; no routing or soldering required |
| 2 | Anode | Forward-biased terminal; connects to lower-potential node in shunt regulation configuration |
| 3 | Cathode | Zener breakdown terminal; connects to regulated voltage rail or error amplifier input |
Key Features
| Feature | Design Value |
|---|---|
| Grade-B3 Zener Tolerance | ±2.3% VZ (5.14–5.37 V) - enables tighter system-level voltage accuracy without external trimming |
| Low Dynamic Impedance | ≤130 Ω at 5 mA - minimizes regulation error during current-step load changes in feedback paths |
| MPAK Surface-Mount Package | 0.65 mm pin pitch, 2.7 × 1.35 mm footprint - supports automated placement and high board density |
| Thermal Stability | +0.025 mV/°C tempco (typ.) - predictable, low-drift behavior across –25°C to +85°C operating range |
| High Junction Temperature Rating | 150°C max - allows operation in thermally demanding environments without derating penalties |
Applications
| Industrial Sensor Signal Conditioning | Switch-Mode Power Supply Feedback |
|---|---|
|
Use Scenario: Stabilizing reference voltage for 12-bit ADC front-end in temperature/humidity transmitters. IC Role / Device Role / Timing Role: Shunt voltage reference providing fixed bias to op-amp instrumentation amplifier stage. Use Value: Enables ±0.5% full-scale measurement accuracy by holding reference within ±10 mV over –40°C to +85°C ambient. |
Use Scenario: Setting output voltage in isolated flyback converter via optocoupler feedback loop. IC Role / Device Role / Timing Role: Precision zener element in TL431-like secondary-side error amplifier circuit. Use Value: Delivers ±1.5% output regulation across line/load/transient conditions due to stable 5.25 V breakdown point. |
| Overvoltage Clamp Protection | Microcontroller Reset Circuit |
|
Use Scenario: Protecting 5 V I/O pins against ESD and surge events on industrial fieldbus interfaces. IC Role / Device Role / Timing Role: Fast-acting shunt clamp limiting voltage to safe levels before damage occurs. Use Value: Clamps transient spikes to ≤6.2 V within 10 ns, preventing latch-up in connected logic devices. |
Use Scenario: Generating clean, temperature-stable reset signal for ARM Cortex-M0+ MCU during brown-out. IC Role / Device Role / Timing Role: Reference element in RC-delayed reset generator with hysteresis. Use Value: Ensures deterministic reset assertion at 4.75 V with <10 mV hysteresis, eliminating false resets. |
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-C5V1LT1G | 5.1 V nominal, ±5% tolerance, SOT-23 package, Pd = 300 mW, rd ≈ 60 Ω | Higher power rating but looser tolerance; requires larger PCB area than MPAK | Preferred when higher surge energy handling is needed and ±5% VZ tolerance is acceptable |
| MMSZ5231B-TP | 5.1 V nominal, ±5% tolerance, SOD-123 package, Pd = 500 mW, rd ≈ 17 Ω | Lower rd and higher Pd, but larger footprint and different thermal profile | Chosen for cost-sensitive designs needing better regulation under high-current transients |
Compared with HZM5.1NB3TR-E, BZX84-C5V1LT1G offers higher power margin but sacrifices grade-B3 precision, while MMSZ5231B-TP improves dynamic response at the expense of thermal coupling and board space - making HZM5.1NB3TR-E optimal for space-constrained, accuracy-critical analog references.
Availability
HZM5.1NB3TR-E is available at Aetrix Electronics and suitable for industrial sensor modules, switch-mode power supplies, overvoltage protection circuits, and microcontroller reset subsystems requiring stable component supply with consistent parametric performance across production lots.
Supply support for HZM5.1NB3TR-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 manufacturer specializing in microcontrollers, analog & power devices, and SoC solutions for industrial, automotive, and infrastructure markets.
The HZM-N Series is part of Renesas' precision analog portfolio, engineered specifically for stable, low-drift voltage reference and clamping functions in space- and power-constrained embedded systems.
FAQ
What is the exact zener voltage range for HZM5.1NB3TR-E at 5 mA test current?
The HZM5.1NB3TR-E has a guaranteed zener voltage range of 5.14 V to 5.37 V when tested at IZ = 5 mA and Ta = 25°C. This B3-grade specification reflects ±2.3% tolerance around the nominal 5.1 V rating, confirmed in the R07DS0358EJ0600 datasheet Table on page 2.
Does HZM5.1NB3TR-E have a functional third pin, and how should Pin 1 be handled?
No - Pin 1 of the HZM5.1NB3TR-E is designated NC (No Connect) and is internally unconnected. It must remain electrically floating with no trace routing or solder mask opening; only Pins 2 (Anode) and 3 (Cathode) are active in the zener regulation function.
What is the maximum allowable reverse voltage before breakdown for HZM5.1NB3TR-E?
The HZM5.1NB3TR-E begins controlled zener breakdown at its specified VZ range (5.14–5.37 V). Below that, leakage remains ≤5 µA up to VR = 1.5 V. Applying reverse voltage beyond VZ without current limiting risks thermal runaway - always use a series resistor to limit IZ to ≤5 mA per datasheet conditions.
Can HZM5.1NB3TR-E replace standard 5.1 V Zeners like 1N4733A in existing designs?
Not directly - HZM5.1NB3TR-E uses a 3-pin MPAK package with Pin 1 (NC), whereas 1N4733A is a 2-pin DO-41 through-hole device. Board layout, thermal path, and mounting process differ significantly; redesign is required for drop-in replacement despite matching VZ range.
Is HZM5.1NB3TR-E compliant with RoHS and halogen-free standards?
Yes - HZM5.1NB3TR-E meets EU RoHS Directive requirements and is manufactured as a halogen-free device, as confirmed in Renesas' environmental compliance documentation referenced on page 10 of R07DS0358EJ0600 and supported by Renesas' public product environmental reports.
HZM5.1NB3TR-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:
- -
HZM5.1NB3TR-E FAQ
1.How can I place an order for HZM5.1NB3TR-E through Aetrix?
Please submit a Request for Quotation (RFQ) for HZM5.1NB3TR-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 HZM5.1NB3TR-E reliable?
The price and inventory of HZM5.1NB3TR-E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HZM5.1NB3TR-E is usually 5 days.
3.What payment methods are accepted for HZM5.1NB3TR-E?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HZM5.1NB3TR-E transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HZM5.1NB3TR-E?
HZM5.1NB3TR-E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HZM5.1NB3TR-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 HZM5.1NB3TR-E?
For technical support, including HZM5.1NB3TR-E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HZM5.1NB3TR-E requirements.
6.How does Aetrix verify that HZM5.1NB3TR-E is sourced from the original manufacturer or authorized distributors?
All HZM5.1NB3TR-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 HZM5.1NB3TR-E meets industry standards.
7.What is the process for return or replacement of HZM5.1NB3TR-E?
All HZM5.1NB3TR-E units undergo pre-shipment inspection (PSI). If there is an issue with HZM5.1NB3TR-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 HZM5.1NB3TR-E part is unused and in its original packaging.
Return procedure for HZM5.1NB3TR-E:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
HZM5.1NB3TR-E Tags
-
MMBZ5240B-7-F
Diodes Incorporated
-
BZT52C5V6T-7
Diodes Incorporated
-
MMSZ5231B-7-F
Diodes Incorporated
-
BZT52C15-7-F
Diodes Incorporated
-
BZX84C3V3LT1G
onsemi
-
MMSZ5245BS-7-F
Diodes Incorporated
-
MMSZ4682T1G
onsemi
-
BZT52C15S-7-F
Diodes Incorporated
-
MM5Z5V1ST1G
onsemi
-
SMAJ4744A-TP
Micro Commercial Co
-
BZT52C3V6LP-7
Diodes Incorporated
-
SMAZ12-13-F
Diodes Incorporated
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
