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Taiwan Semiconductor Corporation BZT52C16 RHG
- Part No.:
- BZT52C16 RHG
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Zener Diodes
- Package:
- SOD-123F
- Datasheet:
-
BZT52C16 RHG.pdf
- Description:
- DIODE ZENER 16V 500MW SOD123F
- Quantity:
- Payment:
- Shipping:
Inventory:5,870
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Product details
Overview
BZT52C16 RHG from Taiwan Semiconductor is a surface-mount 16 V ±5% zener diode in SOD-123F package, rated for 500 mW power dissipation and tested at 5 mA zener current (IZT), used for precision voltage regulation and low-power voltage reference in compact DC/DC converters and adapter circuits.
For engineers reviewing the BZT52C16 RHG datasheet, BZT52C16 RHG pinout, BZT52C16 RHG application, or BZT52C16 RHG equivalent, key selection criteria include its nominal zener voltage of 16.0 V with ±5% tolerance, 40 Ω dynamic impedance at IZT, 11.2 V reverse leakage threshold, and SOD-123F thermal resistance of 350 °C/W - all critical for stable biasing and low-noise reference design.
Technical Context
The BZT52C16 RHG operates as a single-die, unidirectional zener diode optimized for reverse-biased voltage clamping and reference generation. Its 16.0 V nominal breakdown voltage is specified under 30 ms pulse test conditions, with guaranteed min/max limits of 15.20 V and 16.80 V at 5 mA IZT.
It exhibits 40 Ω zener impedance (ZZT) at 5 mA and 188 Ω knee impedance (ZZK) at 1 mA, supporting stable regulation across moderate load variations. The device maintains operation from −65 °C to +150 °C junction temperature, with forward voltage of 1.0 V at 10 mA IF.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 15.20–16.80 V at 5 mA IZT; ensures precise 16 V reference with ±5% tolerance for stable bias networks |
| Power Dissipation (PD) | 500 mW; supports continuous regulation in space-constrained SMD applications without forced cooling |
| Zener Impedance (ZZT) | 40 Ω at 5 mA; minimizes output voltage variation under small-signal load changes |
| Leakage Current (IR) | ≤45 µA at 11.2 V reverse bias; enables low-quiescent-current designs in battery-powered systems |
| Junction Temperature (TJ) | −65 °C to +150 °C; suitable for industrial and automotive under-hood environments |
| Package | SOD-123F; 3.3–3.9 mm body length, 1.5–1.7 mm width, RoHS-compliant matte tin terminals |
| Thermal Resistance (RθJA) | 350 °C/W; defines maximum ambient temperature rise per watt dissipated on standard PCB pad layout |
Pinout & Package
SOD-123F package: cathode-indicated by band; anode and cathode terminals only; lightweight (8.85 ± 0.5 mg); UL 94 V-0 molding compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Reference ground node | Connected to circuit common or lower-potential rail; establishes reference polarity for reverse-bias operation |
| Cathode | Zener breakdown terminal / Regulated output node | Connected to input supply or regulated node; provides stable 16 V reference when reverse-biased above VZ |
Key Features
| Feature | Design Value |
|---|---|
| ±5% zener voltage tolerance | Enables predictable regulation without post-production trimming in cost-sensitive consumer and industrial power rails |
| SOD-123F surface-mount package | Reduces PCB footprint vs. DO-35; compatible with automated pick-and-place and reflow soldering per J-STD-002 |
| Moisture sensitivity level 1 | Eliminates bake requirements prior to assembly, lowering manufacturing overhead and handling risk |
| Halogen-free & RoHS-compliant | Meets IEC 61249-2-21 and EU Directive 2011/65/EU for environmentally regulated end equipment |
Applications
| USB-C Power Adapter Reference | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Provides stable 16 V reference for feedback loop in isolated 20–65 W USB-C PD adapters. IC Role / Device Role / Timing Role: Zener diode operating in reverse breakdown to set secondary-side TL431 reference voltage. Use Value: Tight 16.0 V ±5% tolerance ensures accurate output voltage regulation within ±1.5% over line/load/temperature. |
Use Scenario: Supplies precision bias voltage to op-amp input stage in 4–20 mA loop-powered pressure transmitters. IC Role / Device Role / Timing Role: Low-leakage (≤45 µA @ 11.2 V) voltage reference for analog front-end conditioning circuitry. Use Value: 40 Ω dynamic impedance minimizes noise coupling into high-gain instrumentation amplifiers. |
| Automotive Body Control Module (BCM) | IoT Edge Node Power Management |
Use Scenario: Stabilizes 16 V rail for CAN transceiver biasing and microcontroller reset supervisor in 12 V vehicle systems. IC Role / Device Role / Timing Role: Overvoltage clamp and reference source protecting sensitive logic during load-dump transients. Use Value: −65 °C to +150 °C junction rating supports under-hood deployment without derating. |
Use Scenario: Generates clean 16 V reference for buck converter feedback divider in battery-backed smart meter modules. IC Role / Device Role / Timing Role: Low-power zener reference enabling <1 µA standby current in deep-sleep mode. Use Value: 8.85 mg mass and SOD-123F footprint minimize board area in ultra-compact LPWAN sensor nodes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor MMBZ5245BS-7-F | 16 V ±5%, SOD-123, 500 mW, but 30 Ω ZZT @ 5 mA (lower impedance) | Higher regulation accuracy in dynamic load conditions; slightly higher cost | Preferred where tighter output voltage stability under varying load is required |
| Vishay CZR52C16-G | 16 V ±5%, SOD-123, 500 mW, but 50 Ω ZZT @ 5 mA (higher impedance) and 100 µA IR @ 11.2 V | Higher leakage limits use in ultra-low-power sleep modes; wider availability in high-volume distribution | Acceptable where cost and stock priority outweigh minimal leakage and impedance trade-offs |
Compared with BZT52C16 RHG, MMBZ5245BS-7-F offers superior regulation stability due to lower dynamic impedance, while CZR52C16-G trades off leakage and impedance for broader global stock and lower unit cost - both require no PCB redesign but differ in performance-critical parameters.
Availability
BZT52C16 RHG is available at Aetrix Electronics and suitable for USB-C power adapters, industrial sensor signal conditioners, and automotive body control modules requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for BZT52C16 RHG 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 power devices, analog ICs, and protection components for industrial, computing, and consumer markets.
The BZT52C series is part of TSC's standard zener diode portfolio designed specifically for compact, high-reliability voltage reference and clamping in SMD power management subsystems.
FAQ
What is the exact zener voltage range for BZT52C16 RHG at 5 mA test current?
The BZT52C16 RHG has a guaranteed zener voltage range of 15.20 V (minimum) to 16.80 V (maximum) when tested at 5 mA IZT, corresponding to a nominal 16.0 V with ±5% tolerance. This specification is verified under 30 ms pulse conditions per the official Taiwan Semiconductor datasheet revision G1804.
Is BZT52C16 RHG suitable for automotive under-hood applications?
Yes, BZT52C16 RHG supports junction temperatures from −65 °C to +150 °C and is qualified for industrial and automotive ambient environments. Its SOD-123F package, matte tin plating, and UL 94 V-0 molding compound meet mechanical and thermal requirements for non-safety-critical under-hood functions such as sensor biasing and MCU reset supervision.
What is the maximum reverse leakage current for BZT52C16 RHG and at what voltage is it measured?
The BZT52C16 RHG exhibits a maximum reverse leakage current of 45 µA at 11.2 V reverse bias (VR). This value is specified in the Electrical Specifications table and reflects the device's ability to maintain low quiescent current in battery-backed or energy-harvesting applications.
Does BZT52C16 RHG have halogen-free and RoHS compliance documentation?
Yes, BZT52C16 RHG complies with RoHS Directive 2011/65/EU and WEEE 2002/96/EC, and is certified halogen-free per IEC 61249-2-21. These declarations are confirmed in the official Taiwan Semiconductor product summary and ordering information pages for the BZT52C2V4–BZT52C75 family.
What is the thermal resistance from junction to ambient (RθJA) for BZT52C16 RHG in standard SOD-123F mounting?
The junction-to-ambient thermal resistance (RθJA) for BZT52C16 RHG is 350 °C/W under standard PCB mounting conditions, as defined in the Thermal Performance section of the datasheet. This value assumes typical copper pad layout per the recommended SOD-123F footprint and natural convection cooling.
BZT52C16 RHG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- SOD-123F
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 16 V
- Tolerance:
- ±5%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 40 Ohms
- Current - Reverse Leakage @ Vr:
- 45 nA @ 11.2 V
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 10 mA
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123F
BZT52C16 RHG FAQ
1.How can I place an order for BZT52C16 RHG through Aetrix?
Please submit a Request for Quotation (RFQ) for BZT52C16 RHG 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 BZT52C16 RHG reliable?
The price and inventory of BZT52C16 RHG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZT52C16 RHG is usually 5 days.
3.What payment methods are accepted for BZT52C16 RHG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZT52C16 RHG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZT52C16 RHG?
BZT52C16 RHG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZT52C16 RHG 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 BZT52C16 RHG?
For technical support, including BZT52C16 RHG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZT52C16 RHG requirements.
6.How does Aetrix verify that BZT52C16 RHG is sourced from the original manufacturer or authorized distributors?
All BZT52C16 RHG 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 BZT52C16 RHG meets industry standards.
7.What is the process for return or replacement of BZT52C16 RHG?
All BZT52C16 RHG units undergo pre-shipment inspection (PSI). If there is an issue with BZT52C16 RHG, 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 BZT52C16 RHG part is unused and in its original packaging.
Return procedure for BZT52C16 RHG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZT52C16 RHG Tags
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MM5Z5V1ST1G
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