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Renesas HZM3.3NB1TR-E
- Part No.:
- HZM3.3NB1TR-E
- Manufacturer:
- Renesas
- Category:
- Single Zener Diodes
- Package:
- -
- Datasheet:
-
HZM3.3NB1TR-E.pdf
- Description:
- DIODE ZENER
- Quantity:
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Inventory:9,000
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Product details
Overview
HZM3.3NB1TR-E from Renesas Electronics is a silicon epitaxial planar Zener diode designed for precision voltage stabilization in low-power analog and reference circuits. It delivers a nominal zener voltage of 3.3 V (min 3.40 V, max 3.65 V at IZ = 5 mA), with dynamic resistance of 130 Ω, reverse current ≤20 μA at VR = 1.0 V, and power dissipation up to 200 mW in the MPAK package - commonly used in voltage regulation for microcontroller reset circuits and sensor biasing.
For engineers reviewing the HZM3.3NB1TR-E datasheet, HZM3.3NB1TR-E pinout, HZM3.3NB1TR-E application, or HZM3.3NB1TR-E equivalent, key selection criteria include its B1-grade zener tolerance (±5.2% at 3.3 V), low-temperature coefficient (≈–0.02 mV/°C near 3.3 V), surface-mount MPAK footprint compatibility, and suitability for space-constrained industrial and consumer power management designs.
Technical Context
The HZM3.3NB1TR-E operates as a two-terminal shunt regulator, maintaining stable output voltage across varying load currents by conducting excess current to ground when input exceeds VZ. Its epitaxial planar construction ensures tight voltage distribution and low leakage, with pulse-tested characterization (Pw = 40 ms) supporting reliable DC and transient regulation.
Designed for ambient temperatures from –55°C to +150°C, it features a maximum junction temperature of 150°C and storage range matching operational limits. The device exhibits a negative temperature coefficient near 3.3 V (≈–0.02 mV/°C), enabling predictable drift compensation in reference ladder networks and analog front-ends.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 3.40 V min / 3.65 V max at IZ = 5 mA - defines regulation band for precision 3.3 V reference generation |
| Dynamic Resistance (rd) | 130 Ω max at IZ = 5 mA - determines output impedance and load regulation sensitivity |
| Reverse Current (IR) | ≤20 μA at VR = 1.0 V - ensures low standby power loss in always-on bias networks |
| Power Dissipation (Pd) | 200 mW at Ta = 25°C - sets maximum continuous power handling before thermal derating |
| Junction Temperature (Tj) | 150°C max - defines upper thermal limit for reliability in enclosed or high-ambient environments |
| Package | MPAK (PLSP0003ZC-A) - 3-pin SMT package with 1.0 mm × 1.3 mm footprint, optimized for high-density PCB assembly |
| Zener Grade | B1 - tighter tolerance than B/B2 grades, enabling higher accuracy in voltage reference chains |
Pinout & Package
MPAK package (JEITA code PLSP0003ZC-A), 3-pin surface-mount outline with 0.65 mm lead pitch; terminals are arranged in top-view order: Pin 1 = NC (no connection), Pin 2 = Anode, Pin 3 = Cathode.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | No Connection (NC) | Electrically isolated; must remain unconnected on PCB to avoid parasitic coupling or mechanical stress |
| 2 | Anode | Connected to lower-potential node (e.g., GND or return path); current flows into cathode during regulation |
| 3 | Cathode | Connected to regulated voltage node; reverse-biased terminal where zener breakdown occurs |
Key Features
| Feature | Design Value |
|---|---|
| Grade-B1 zener tolerance | ±5.2% at 3.3 V enables tighter reference accuracy vs. standard B-grade (±9%) in feedback networks |
| Low dynamic resistance | 130 Ω supports stable regulation under ±1 mA load variation without significant VOUT shift |
| MPAK surface-mount package | 1.0 mm × 1.3 mm footprint reduces board area by >40% vs. SOD-323 while maintaining thermal performance |
| Pulse-tested electrical specs | Characterized with 40 ms pulses to ensure repeatability and eliminate self-heating artifacts in DC design models |
| Wide operating temperature range | –55°C to +150°C junction operation allows use in automotive under-hood and industrial motor-control environments |
Applications
| Microcontroller Reset Circuit | Sensor Bias Reference |
|---|---|
Use Scenario: Providing clean, stable 3.3 V threshold for brown-out detection in ARM Cortex-M0+ systems. IC Role / Device Role / Timing Role: Shunt voltage reference defining reset assertion level for integrated POR/BOR circuitry. Use Value: B1-grade tolerance ensures reset triggers within 3.3 V ±0.18 V, preventing premature or delayed resets during supply ramp-up. |
Use Scenario: Supplying excitation voltage to resistive temperature detectors (RTDs) in HVAC control modules. IC Role / Device Role / Timing Role: Precision DC bias source replacing higher-cost IC references where 1% absolute accuracy suffices. Use Value: 130 Ω dynamic resistance minimizes output droop under 100 μA sensor current, preserving measurement linearity. |
| ADC Voltage Reference | LED Current Regulation |
Use Scenario: Establishing reference voltage for 10-bit SAR ADCs in portable medical monitors. IC Role / Device Role / Timing Role: Low-drift shunt reference stabilizing VREF input against supply ripple and temperature drift. Use Value: Negative tempco (≈–0.02 mV/°C) counterbalances typical op-amp offset drift, improving system-level stability. |
Use Scenario: Setting constant current for indicator LEDs in industrial HMIs with wide input voltage range (5–24 V). IC Role / Device Role / Timing Role: Voltage clamp enabling simple resistor-based current limiting with minimal component count. Use Value: 200 mW power rating supports ≥15 mA LED drive at 3.3 V with margin for ambient temperature rise. |
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-C3V3 (Diodes Inc.) | Same 3.3 V nominal, SOT-23 package, but wider tolerance (±5% min/max not specified per grade), rd = 95 Ω typical | Higher production volume; less consistent grading - suitable for non-critical biasing but not precision reset thresholds | Select when cost sensitivity outweighs ±0.1 V regulation band control; verify batch-specific VZ distribution. |
| MMSZ4685 (ON Semiconductor) | 3.3 V nominal, SOD-123 package, B-grade only (±10%), rd = 170 Ω max, Pd = 500 mW | Larger footprint and higher power rating - better for higher-current clamping but over-specified for low-power references | Choose for legacy SOD-123 layouts or where thermal margin >300 mW is required; expect looser voltage consistency. |
Compared with BZX84-C3V3 and MMSZ4685, the HZM3.3NB1TR-E offers superior grade-B1 voltage tightness and MPAK miniaturization - making it optimal for new designs prioritizing PCB area, reset accuracy, and thermal efficiency in compact embedded systems.
Availability
HZM3.3NB1TR-E is available at Aetrix Electronics and suitable for microcontroller reset circuits, sensor bias references, ADC voltage references, and LED current regulation requiring stable component supply and consistent B1-grade zener performance.
Supply support for HZM3.3NB1TR-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 specializing in microcontrollers, analog power devices, and timing solutions for industrial, automotive, and consumer applications.
The HZM-N Series is part of Renesas' discrete Zener portfolio engineered for high-reliability voltage stabilization in space-constrained, thermally demanding embedded systems - emphasizing grade-specific accuracy, MPAK manufacturability, and wide-temperature operation.
FAQ
What is the exact zener voltage range for HZM3.3NB1TR-E at 5 mA test current?
The HZM3.3NB1TR-E has a guaranteed zener voltage range of 3.40 V minimum to 3.65 V maximum when tested at IZ = 5 mA and Ta = 25°C. This B1-grade specification reflects ±5.2% tolerance around the nominal 3.3 V rating, confirmed in Renesas' R07DS0358EJ0600 datasheet Table on page 2. The HZM3.3NB1TR-E achieves this tighter distribution via post-process binning, distinguishing it from broader-tolerance variants like HZM3.3NB2.
Does HZM3.3NB1TR-E have a no-connect pin, and how should it be handled on the PCB?
Yes, HZM3.3NB1TR-E features Pin 1 as a no-connect (NC) terminal, explicitly defined in the "Pin Arrangement" diagram on page 1 of the datasheet. This pin must remain unconnected on the PCB layout - neither routed nor soldered - to prevent mechanical stress on the die bond wire or unintended capacitive coupling. The HZM3.3NB1TR-E functions correctly using only Pins 2 (Anode) and 3 (Cathode); NC pin presence accommodates package standardization across the HZM-N family.
What is the maximum allowable reverse current for HZM3.3NB1TR-E at 1.0 V applied voltage?
The maximum reverse current (IR) for HZM3.3NB1TR-E is 20 μA when a reverse voltage of 1.0 V is applied across its cathode and anode, per the Electrical Characteristics table on page 2 of the datasheet. This low leakage ensures minimal quiescent power draw in always-on reference circuits and supports accurate low-current sensing applications. The HZM3.3NB1TR-E maintains this spec across its full operating temperature range, verified under standardized test conditions.
Can HZM3.3NB1TR-E replace older HZM3.3N series parts in existing designs?
Yes, HZM3.3NB1TR-E is a direct functional replacement for earlier HZM3.3N variants in the same MPAK package, retaining identical pinout, thermal profile, and absolute maximum ratings. However, its B1-grade voltage range (3.40–3.65 V) differs from standard B-grade (3.25–3.50 V) and B2-grade (3.25–3.50 V) versions - so designers must verify whether the tighter tolerance improves or disrupts existing regulation margins. The HZM3.3NB1TR-E requires no PCB changes but may need firmware recalibration if reset thresholds rely on nominal 3.3 V.
What is the thermal derating behavior of HZM3.3NB1TR-E above 25°C ambient?
HZM3.3NB1TR-E follows linear thermal derating from its 200 mW maximum power dissipation at Ta = 25°C, dropping to zero at Ta = 150°C, as shown in Figure 3 on page 5 of the datasheet. The derating slope is approximately 1.67 mW/°C above 25°C, meaning at 85°C ambient, usable power drops to ~100 mW. This behavior is intrinsic to the MPAK package's thermal resistance and must be accounted for in sustained high-temperature applications - such as those found in industrial motor drives where the HZM3.3NB1TR-E provides stable bias under thermal stress.
HZM3.3NB1TR-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:
- -
HZM3.3NB1TR-E FAQ
1.How can I place an order for HZM3.3NB1TR-E through Aetrix?
Please submit a Request for Quotation (RFQ) for HZM3.3NB1TR-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 HZM3.3NB1TR-E reliable?
The price and inventory of HZM3.3NB1TR-E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HZM3.3NB1TR-E is usually 5 days.
3.What payment methods are accepted for HZM3.3NB1TR-E?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HZM3.3NB1TR-E transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HZM3.3NB1TR-E?
HZM3.3NB1TR-E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HZM3.3NB1TR-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 HZM3.3NB1TR-E?
For technical support, including HZM3.3NB1TR-E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HZM3.3NB1TR-E requirements.
6.How does Aetrix verify that HZM3.3NB1TR-E is sourced from the original manufacturer or authorized distributors?
All HZM3.3NB1TR-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 HZM3.3NB1TR-E meets industry standards.
7.What is the process for return or replacement of HZM3.3NB1TR-E?
All HZM3.3NB1TR-E units undergo pre-shipment inspection (PSI). If there is an issue with HZM3.3NB1TR-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 HZM3.3NB1TR-E part is unused and in its original packaging.
Return procedure for HZM3.3NB1TR-E:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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