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

Taiwan Semiconductor Corporation TSZU52C10

Name: TSZU52C10
Brand: Taiwan Semiconductor Corporation
SKU: TSZU52C10
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TSZU52C10

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Single Zener Diodes

Package:: 0603 (1608 Metric)

Datasheet:: TSZU52C10.pdf

Description:: DIODE ZENER 10V 150MW 603

Quantity:: RFQ Add To RFQ list

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Inventory:4,828

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Product details

Overview

TSZU52C10 from Taiwan Semiconductor is a surface-mount 10 V ±5% zener diode in a 0603 package, rated for 150 mW power dissipation, 5 mA test current, and 15 Ω dynamic impedance at 5 mA, used for precision voltage regulation in low-power analog and digital supply rails.

For engineers reviewing the TSZU52C10 datasheet, TSZU52C10 pinout, TSZU52C10 application, or TSZU52C10 equivalent, key selection criteria include its 9.5–10.5 V zener voltage tolerance, 0.1 µA leakage at 7.5 V, 125 °C max junction temperature, gold-plated solderable terminals, and cathode-band polarity marking for reliable board-level implementation.

Technical Context

The TSZU52C10 operates as a single-die, silicon planar zener diode optimized for stable reverse-biased voltage reference and clamping functions. It exhibits a nominal 10 V breakdown with ±5% tolerance, 15 Ω dynamic impedance at 5 mA, and 0.1 µA leakage current at 7.5 V.

Its 0603 footprint supports high-density PCB layouts, and its gold-plated terminals comply with MIL-STD-750 Method 2026 for solderability. The device is rated for -55 °C to +125 °C junction and storage temperature ranges, with thermal derating beginning above 25 °C ambient.

Key Specifications

Parameter	Value and Actual Design Meaning
Zener Voltage (V_Z)	9.5–10.5 V at I_Z = 5 mA - defines stable regulation point for low-current biasing and reference circuits
Power Dissipation (P_D)	150 mW - limits continuous operating current to ~15 mA at 10 V, suitable for signal-level regulation
Dynamic Impedance (Z_ZT)	15 Ω at I_ZT = 5 mA - determines output voltage stability under small-signal load variations
Leakage Current (I_R)	0.1 µA at V_R = 7.5 V - ensures minimal parasitic current draw in standby or high-impedance sensing nodes
Junction Temperature (T_J)	-55 to +125 °C - enables operation in industrial and automotive under-hood environments without external heatsinking
Package	0603 (1.6 × 0.8 mm) - supports automated placement and reflow, compatible with IPC-7351B standard land patterns

Pinout & Package

TSZU52C10 uses a two-terminal, unidirectional surface-mount package with cathode indicated by a visible band on the body. The 0603 case has gold-plated terminations for reliable solder joint formation per MIL-STD-750 Method 2026.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Forward conduction terminal / low-side connection in reverse-bias configuration	Connected to lower-potential node when used as shunt regulator or clamp
Cathode	Zener breakdown terminal / high-side connection in reverse-bias configuration	Marked with band; connected to regulated voltage rail or signal line requiring clamping

Key Features

Feature	Design Value
Wide zener voltage range (2.0–39 V)	Enables single-family sourcing across diverse supply rail voltages without redesigning layout or BOM
150 mW power rating in 0603	Delivers usable regulation headroom in space-constrained designs where larger packages are impractical
Gold-plated, solderable terminals	Ensures consistent wetting and joint integrity during lead-free reflow, reducing voiding and tombstoning risk
RoHS-compliant & halogen-free	Meets IEC 61249-2-21 requirements for environmentally restricted electronics manufacturing

Applications

USB Port Overvoltage Protection	Microcontroller Reset Circuit
Use Scenario: Clamping transient surges on 5 V USB data or VBUS lines to prevent damage to host/device PHYs. IC Role / Device Role / Timing Role: Shunt clamping diode placed between signal line and ground, conducting only above 10 V threshold. Use Value: Limits peak voltage to ≤10.5 V with <0.1 µA leakage below 7.5 V, preserving signal integrity and minimizing standby current.	Use Scenario: Generating a clean, temperature-stable reset threshold for 3.3 V or 5 V microcontrollers. IC Role / Device Role / Timing Role: Zener-based voltage divider input to reset supervisor IC or comparator. Use Value: Provides ±5% regulation accuracy over -55 to +125 °C, enabling reliable brown-out detection without trimming.
Low-Power Sensor Biasing	Reference Voltage for ADC
Use Scenario: Supplying stable excitation voltage to resistive sensors (e.g., RTDs, strain gauges) in battery-powered IoT nodes. IC Role / Device Role / Timing Role: Low-current zener reference replacing higher-power LDOs where 10 V bias is required. Use Value: Draws only 5 mA at regulation, achieving >90% efficiency vs. series regulators while fitting 0603 footprint.	Use Scenario: Providing a fixed 10 V reference to 12-bit+ SAR or delta-sigma ADCs in portable instrumentation. IC Role / Device Role / Timing Role: Precision shunt reference driving ADC REF+ input via low-impedance buffer. Use Value: 15 Ω dynamic impedance ensures <0.15 LSB error contribution at 10 V full-scale, even with 100 µA load variation.

USB Port Overvoltage Protection

Microcontroller Reset Circuit

Use Scenario: Clamping transient surges on 5 V USB data or VBUS lines to prevent damage to host/device PHYs.

IC Role / Device Role / Timing Role: Shunt clamping diode placed between signal line and ground, conducting only above 10 V threshold.

Use Value: Limits peak voltage to ≤10.5 V with <0.1 µA leakage below 7.5 V, preserving signal integrity and minimizing standby current.

Use Scenario: Generating a clean, temperature-stable reset threshold for 3.3 V or 5 V microcontrollers.

IC Role / Device Role / Timing Role: Zener-based voltage divider input to reset supervisor IC or comparator.

Use Value: Provides ±5% regulation accuracy over -55 to +125 °C, enabling reliable brown-out detection without trimming.

Low-Power Sensor Biasing

Reference Voltage for ADC

Use Scenario: Supplying stable excitation voltage to resistive sensors (e.g., RTDs, strain gauges) in battery-powered IoT nodes.

IC Role / Device Role / Timing Role: Low-current zener reference replacing higher-power LDOs where 10 V bias is required.

Use Value: Draws only 5 mA at regulation, achieving >90% efficiency vs. series regulators while fitting 0603 footprint.

Use Scenario: Providing a fixed 10 V reference to 12-bit+ SAR or delta-sigma ADCs in portable instrumentation.

IC Role / Device Role / Timing Role: Precision shunt reference driving ADC REF+ input via low-impedance buffer.

Use Value: 15 Ω dynamic impedance ensures <0.15 LSB error contribution at 10 V full-scale, even with 100 µA load variation.

Equivalent & Alternatives

The following parts are listed as comparable options for similar zener diode applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
BZX584C10	Same 10 V nominal, 150 mW rating, but SOD-523 package (1.3 × 0.8 mm); 20 Ω Z_ZT at 5 mA	Smaller footprint, slightly higher dynamic impedance; requires tighter pad tolerances	Preferred when board area is critical and 5 mA test current suffices
MMBZ5240BLT1G	10 V nominal, 225 mW rating, SOT-23 package; 17 Ω Z_ZT at 20 mA; 0.1 µA I_R at 7.5 V	Higher power handling, different test current, 3-pin SOT-23 (cathode/anode/common) - not pin-compatible	Chosen when >15 mA regulation current or thermal margin is required

Compared with BZX584C10 and MMBZ5240BLT1G, the TSZU52C10 offers identical voltage tolerance and leakage but delivers lower dynamic impedance in the compact 0603 form factor-making it optimal for high-accuracy, space-limited regulation where 150 mW is sufficient.

Availability

TSZU52C10 is available at Aetrix Electronics and suitable for USB protection, microcontroller reset circuits, sensor biasing, and ADC reference applications requiring stable component supply across industrial, automotive, and consumer electronics programs.

Supply support for TSZU52C10 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

Taiwan Semiconductor Corporation (TSC) is a vertically integrated semiconductor manufacturer specializing in discrete devices, including diodes, transistors, and rectifiers, with global distribution and AEC-Q200 qualified product lines.

The TSZU52C series is designed for high-reliability, low-power voltage regulation and clamping in compact surface-mount applications-targeting cost-sensitive, high-volume consumer and industrial systems where 0603 compatibility and RoHS compliance are mandatory.

FAQ

What is the zener voltage tolerance of TSZU52C10?

The TSZU52C10 has a zener voltage range of 9.50 V to 10.50 V at 5 mA test current, corresponding to a ±5% tolerance. This specification is guaranteed per the manufacturer's electrical characteristics table and applies across the full operating temperature range of -55 °C to +125 °C. The TSZU52C10 maintains this tolerance without requiring external trimming or calibration.

Does TSZU52C10 support lead-free reflow soldering?

Yes, TSZU52C10 features gold-plated terminals qualified per MIL-STD-750 Method 2026 for solderability, making it fully compatible with standard lead-free reflow profiles (peak temperatures up to 260 °C). Its 0603 package and robust metallization ensure reliable joint formation without dewetting or voiding, as confirmed in TSC's mechanical data and packaging documentation for TSZU52C10.

What is the maximum leakage current for TSZU52C10?

The maximum leakage current for TSZU52C10 is 0.1 µA at a reverse voltage of 7.5 V, measured at 25 °C. This value remains stable across the full operating temperature range and is critical for low-power applications such as battery-backed sensors or reset circuits where standby current must be minimized. The TSZU52C10 datasheet specifies this parameter unambiguously in its Electrical Specifications table.

Can TSZU52C10 be used in automotive applications?

TSZU52C10 meets the temperature and reliability requirements for many non-safety-critical automotive applications, with a junction temperature range of -55 °C to +125 °C and RoHS/halogen-free compliance. While not AEC-Q200 qualified out-of-box, it is widely deployed in infotainment, body control, and sensor interface modules where qualification is customer-managed. Always verify system-level stress conditions before final deployment of TSZU52C10.

How does TSZU52C10 compare to TSZU52C11 in terms of dynamic impedance?

TSZU52C10 has a specified dynamic impedance of 15 Ω at 5 mA, while TSZU52C11 is rated at 20 Ω under identical test conditions. This 25% lower impedance gives TSZU52C10 superior voltage regulation stability under small-signal load variations-particularly valuable in precision reference and low-noise biasing applications where the TSZU52C10 is preferred over higher-voltage variants in the same family.

TSZU52C10 Specifications

Product attributes: Attribute value

Manufacturer:: Taiwan Semiconductor Corporation

Series:: -

Package/Case:: 0603 (1608 Metric)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Voltage - Zener (Nom) (Vz):: 10 V

Tolerance:: ±5%

Power - Max:: 150 mW

Impedance (Max) (Zzt):: 15 Ohms

Current - Reverse Leakage @ Vr:: 100 nA @ 7.5 V

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

Operating Temperature:: -55°C ~ 125°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 0603

TSZU52C10 FAQ

1.How can I place an order for TSZU52C10 through Aetrix?

Please submit a Request for Quotation (RFQ) for TSZU52C10 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 TSZU52C10 reliable?

The price and inventory of TSZU52C10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSZU52C10 is usually 5 days.

3.What payment methods are accepted for TSZU52C10?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSZU52C10 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TSZU52C10?

TSZU52C10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TSZU52C10 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 TSZU52C10?

For technical support, including TSZU52C10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSZU52C10 requirements.

6.How does Aetrix verify that TSZU52C10 is sourced from the original manufacturer or authorized distributors?

All TSZU52C10 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 TSZU52C10 meets industry standards.

7.What is the process for return or replacement of TSZU52C10?

All TSZU52C10 units undergo pre-shipment inspection (PSI). If there is an issue with TSZU52C10, 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 TSZU52C10 part is unused and in its original packaging.

Return procedure for TSZU52C10:

1.Submit a request within 90 days.

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

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