Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Discrete Semiconductor Products > Diodes > Zener > Single Zener Diodes

Nexperia USA Inc. BZX84-C2V7,235

Name: BZX84-C2V7,235
Brand: Nexperia USA Inc.
SKU: BZX84-C2V7,235
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: BZX84-C2V7,235

Manufacturer:: Nexperia USA Inc.

Category:: Single Zener Diodes

Package:: TO-236-3, SC-59, SOT-23-3

Datasheet:: BZX84-C2V7,235.pdf

Description:: DIODE ZENER 2.7V 250MW TO236AB

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:1,460

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

BZX84-C2V7,235 from Nexperia is a ±5 % tolerance Zener voltage regulator diode in SOT23 (TO-236AB) package, designed for low-power precision voltage reference and overvoltage protection in signal conditioning and power rail stabilization circuits. It delivers 2.7 V nominal Zener voltage at 5 mA, with 600 Ω max differential resistance, 20 µA max reverse current at 1 V, and -3.5 to 0.0 mV/K temperature coefficient - enabling stable biasing in sensor interfaces and microcontroller reset circuits.

For engineers reviewing the BZX84-C2V7,235 datasheet, BZX84-C2V7,235 pinout, BZX84-C2V7,235 application, or BZX84-C2V7,235 equivalent, key selection criteria include Zener voltage tolerance (±5 %), thermal resistance (330 K/W junction-to-solder-point), non-repetitive surge capability (40 W), forward voltage ≤0.9 V at 10 mA, and SOT23 footprint compatibility with high-density PCB layouts.

Technical Context

This discrete Zener diode operates in reverse breakdown mode to clamp or regulate voltage across load circuits. Its 2.7 V nominal Zener voltage is specified at I_Z = 5 mA, with differential resistance ≤600 Ω ensuring minimal voltage shift under load variation. The device exhibits a negative-to-zero temperature coefficient (-3.5 to 0.0 mV/K), making it suitable for ambient-stable references where drift must remain below ±10 mV over -55 °C to +150 °C.

Thermal performance is defined by R_th(j-a) = 500 K/W (free air) and R_th(j-sp) = 330 K/W (to cathode solder point), requiring careful PCB copper area design for sustained 250 mW dissipation. Non-repetitive peak reverse power handling (40 W, 100 µs pulse) supports transient suppression in low-energy ESD or inductive kick scenarios.

Key Specifications

Parameter	Value and Actual Design Meaning
Zener Voltage (V_Z)	2.50 V to 2.90 V at I_Z = 5 mA - defines regulation band for low-voltage logic rail clamping
Differential Resistance (r_dif)	≤600 Ω - limits output voltage change to ≤3 mV per 5 µA current shift, critical for precision biasing
Reverse Current (I_R)	≤20 µA at V_R = 1 V - ensures minimal leakage in high-impedance sensing nodes
Forward Voltage (V_F)	≤0.9 V at I_F = 10 mA - enables use as low-drop rectifier or polarity protection diode
Total Power Dissipation (P_tot)	250 mW at T_amb ≤ 25 °C on FR4 PCB - sets maximum continuous DC power in standard layout
Non-repetitive Peak Power (P_ZSM)	40 W for t_p = 100 µs - supports single-event transient suppression without degradation
Junction Temperature (T_j)	-55 °C to +150 °C - allows operation in industrial and automotive-adjacent environments

Pinout & Package

Package: SOT23 (TO-236AB), surface-mount plastic package with 3 leads, 1.9 mm × 1.1 mm body, 0.45 mm lead pitch, and 0.9 mm height - optimized for automated placement and reflow soldering on high-density boards.

Pin/Terminal	Circuit Role	Design Meaning
1	Anode (A)	Connected to lower-potential node; reverse-biased during regulation; requires current-limiting resistor in series
2	Not Connected (n.c.)	Internally unconnected; no electrical function; must remain floating or grounded per layout best practice
3	Cathode (K)	Connected to higher-potential node; carries regulated output voltage; primary thermal path to PCB via solder point

Key Features

Feature	Design Value
±5 % Zener voltage tolerance	Enables cost-effective voltage reference where tight regulation is secondary to reliability and footprint
250 mW total power rating	Supports continuous regulation in 3.3 V/5 V auxiliary rails without heatsinking on standard FR4
40 W non-repetitive surge capability	Provides single-pulse transient immunity up to 6 A peak current (at 2.7 V) without failure
SOT23 package with n.c. pin	Reduces parasitic capacitance vs. 2-pin variants; simplifies routing by eliminating cathode-anode adjacency
-55 °C to +150 °C operating range	Validates use in extended-temperature industrial controllers and outdoor sensor nodes

Applications

Microcontroller Reset Circuit

Sensor Bias Reference

Use Scenario: Generating a stable 2.7 V threshold for manual or power-on reset detection in ARM Cortex-M0+ systems.

IC Role / Device Role / Timing Role: Zener diode acts as precision voltage comparator input reference, interfacing with RC delay network and Schmitt-trigger input.

Use Value: ±5 % tolerance ensures reliable reset assertion across supply variations; 20 µA leakage avoids loading weak pull-up networks.

Use Scenario: Providing excitation voltage to resistive temperature detector (RTD) bridge in HVAC control modules.

IC Role / Device Role / Timing Role: Functions as low-drift, low-noise voltage source for Wheatstone bridge biasing, replacing higher-cost voltage references.

Use Value: -3.5 to 0.0 mV/K tempco minimizes measurement error over -40 °C to +85 °C; 600 Ω r_dif maintains <0.1 % linearity at 100 µA bridge current.

USB Port Overvoltage Clamp

Low-Voltage Logic Level Shifter

Use Scenario: Protecting 3.3 V USB data lines (D+/D-) from accidental 5 V insertion or ESD-induced transients.

IC Role / Device Role / Timing Role: Placed between signal line and ground to clamp voltages above 2.7 V, diverting surge current away from PHY IC.

Use Value: 40 W peak power rating absorbs 100 µs surges up to 6 A; 0.9 V forward drop permits bidirectional clamping when paired with series resistor.

Use Scenario: Translating 1.8 V GPIO signals to 2.7 V interface level for analog front-end ICs in portable medical devices.

IC Role / Device Role / Timing Role: Used in active-low configuration with pull-up to 2.7 V rail, leveraging Zener conduction to define high-level threshold.

Use Value: Tight 2.50–2.90 V V_Z window ensures clean logic transition; SOT23 size fits 0.4 mm pitch routing in compact wearable PCBs.

Equivalent & Alternatives

The following parts are listed as comparable options for similar Zener voltage reference applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ON Semiconductor MMBZ5221BS-7-F	2.4 V nominal, ±5 %, 200 mW P_tot, same SOT23 package	Lower V_Z shifts reset threshold; higher r_dif (1000 Ω) increases regulation sensitivity to current changes	Select when 2.4 V reference is required and 250 mW derating is acceptable
Vishay BZX84-C3V0-7-F	3.0 V nominal, ±5 %, identical P_tot, r_dif, and thermal specs	Higher clamping voltage reduces false triggering in noisy 3.3 V domains but raises minimum detectable fault voltage	Choose for 3.0 V reset thresholds or tighter margin against 3.3 V rail sag

Compared with MMBZ5221BS-7-F, BZX84-C2V7,235 offers 0.3 V higher regulation voltage and 50 mW higher power headroom; versus BZX84-C3V0-7-F, it provides lower threshold for early fault detection while maintaining identical thermal and surge robustness.

Availability

BZX84-C2V7,235 is available at Aetrix Electronics and suitable for microcontroller reset circuits, sensor bias references, USB port overvoltage clamps, and low-voltage logic level shifters requiring stable component supply and full traceability.

Supply support for BZX84-C2V7,235 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

Nexperia is a global semiconductor expert delivering high-performance, reliable discrete, logic, and MOSFET devices with focus on efficiency, miniaturization, and robustness for mass-market electronics.

The BZX84 series belongs to Nexperia's precision Zener regulator portfolio, engineered for cost-sensitive, space-constrained applications demanding stable voltage references across industrial, computing, and consumer equipment.

FAQ

What is the maximum continuous current this diode can regulate at 2.7 V?

The BZX84-C2V7,235 supports up to 92 mA continuous Zener current (250 mW ÷ 2.7 V) at 25 °C ambient on standard FR4 PCB. Derating is required above 25 °C per R_th(j-a) = 500 K/W; at 70 °C ambient, max continuous current drops to ~55 mA to maintain T_j ≤ 150 °C.

Can Pin 2 be used as a thermal pad or grounded for improved heat dissipation?

No - Pin 2 is internally not connected (n.c.) per Nexperia's pinning diagram and must remain electrically floating. Grounding or soldering it provides no thermal benefit and risks shorting adjacent traces; thermal transfer occurs solely through Pin 3 (cathode) to PCB copper.

How does the ±5 % tolerance affect accuracy in a 2.7 V reference application?

At 5 mA test current, the actual Zener voltage falls between 2.50 V and 2.90 V. For a 3.3 V microcontroller reset circuit, this ensures reliable assertion (≥2.5 V) while avoiding premature release (≤2.9 V), accommodating typical supply ripple and temperature drift without additional trimming.

Is this diode suitable for automotive applications?

No - the BZX84-C2V7,235 is explicitly marked as non-automotive qualified in Nexperia's revision history (Rev. 7, Jan 2023). Automotive-grade alternatives (e.g., BZX84-Q series) undergo AEC-Q101 qualification and extended temperature/lifetime testing; this part lacks those certifications and warranty coverage for vehicle systems.

BZX84-C2V7,235 Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: BZX84

Package/Case:: TO-236-3, SC-59, SOT-23-3

Packaging:: Tape & Reel (TR)

Product Status:: Active

Voltage - Zener (Nom) (Vz):: 2.7 V

Tolerance:: ±5%

Power - Max:: 250 mW

Impedance (Max) (Zzt):: 100 Ohms

Current - Reverse Leakage @ Vr:: 20 µA @ 1 V

Voltage - Forward (Vf) (Max) @ If:: 900 mV @ 10 mA

Operating Temperature:: -65°C ~ 150°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: TO-236AB

BZX84-C2V7,235 FAQ

1.How can I place an order for BZX84-C2V7,235 through Aetrix?

Please submit a Request for Quotation (RFQ) for BZX84-C2V7,235 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 BZX84-C2V7,235 reliable?

The price and inventory of BZX84-C2V7,235 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX84-C2V7,235 is usually 5 days.

3.What payment methods are accepted for BZX84-C2V7,235?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX84-C2V7,235 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BZX84-C2V7,235?

BZX84-C2V7,235 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BZX84-C2V7,235 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 BZX84-C2V7,235?

For technical support, including BZX84-C2V7,235 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX84-C2V7,235 requirements.

6.How does Aetrix verify that BZX84-C2V7,235 is sourced from the original manufacturer or authorized distributors?

All BZX84-C2V7,235 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 BZX84-C2V7,235 meets industry standards.

7.What is the process for return or replacement of BZX84-C2V7,235?

All BZX84-C2V7,235 units undergo pre-shipment inspection (PSI). If there is an issue with BZX84-C2V7,235, 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 BZX84-C2V7,235 part is unused and in its original packaging.

Return procedure for BZX84-C2V7,235:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-09-03 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

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.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

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…

2026-09-01 74HC595 Pinout, Timing, Output Current, and Applications

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…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

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…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

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 …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

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…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

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…

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

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…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

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…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…