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Taiwan Semiconductor Corporation TSZU52C12 RGG
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- Part No.:
- TSZU52C12 RGG
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Zener Diodes
- Package:
- 0603 (1608 Metric)
- Datasheet:
-
TSZU52C12 RGG.pdf
- Description:
- DIODE ZENER 12V 150MW 603
- Quantity:
- Payment:
- Shipping:
Inventory:4,558
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Product details
Overview
TSZU52C12 RGG from Taiwan Semiconductor is a surface-mount 12 V ±5% Zener diode in 0603 package, rated for 150 mW power dissipation, 5 mA test current, and 20 Ω dynamic impedance at IZT, used for precision voltage regulation in compact DC power rails.
For engineers reviewing the TSZU52C12 RGG datasheet, TSZU52C12 RGG pinout, TSZU52C12 RGG application, or TSZU52C12 RGG equivalent, key selection criteria include zener voltage tolerance (±5%), low leakage current (0.1 µA at 9.0 V), temperature coefficient behavior, 0603 footprint compatibility, and RoHS/halogen-free compliance for consumer and industrial PCBs.
Technical Context
This device operates as a single-die, cathode-banded Zener diode with sharp reverse breakdown at nominal 12 V, specified under 5 mA test current and characterized up to 125 °C junction temperature. Its 20 Ω dynamic impedance at IZT and 90 Ω at IZK supports stable regulation under moderate load transients.
The 0603 package uses gold-plated terminals solderable per MIL-STD-750 Method 2026, with polarity indicated by cathode band and thermal derating defined down to zero power at 125 °C ambient - enabling use in space-constrained, thermally managed applications without heatsinking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 11.40–12.60 V at 5 mA - ensures ±5% regulation window for 12 V reference circuits |
| Power Dissipation (PD) | 150 mW - limits continuous current to ~12.5 mA at 12 V, defining max steady-state regulation load |
| Dynamic Impedance (ZZT) | 20 Ω at 5 mA - determines output voltage variation under small-signal current changes |
| Leakage Current (IR) | 0.1 µA at 9.0 V - guarantees minimal quiescent current draw below breakdown |
| Junction Temperature Range | −55 °C to +125 °C - enables operation in automotive under-hood and industrial control environments |
| Package | 0603 (1.6 × 0.8 mm) - fits high-density layouts with standard SMT reflow profiles |
Pinout & Package
TSZU52C12 RGG is a two-terminal surface-mount Zener diode in JEDEC-standard 0603 package. Polarity is marked by a visible cathode band on the component body; the anode and cathode terminals are co-planar, gold-plated, and compatible with standard reflow soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference node | Connected to lower-potential side of regulated rail; defines reference ground path in shunt regulator topology |
| Cathode | Reverse breakdown terminal / Zener voltage output node | Connected to higher-potential input rail; delivers stable 12 V reference when reverse-biased above VZ |
Key Features
| Feature | Design Value |
|---|---|
| Wide zener voltage range (2.0–39 V) | Enables standardized 0603 footprint across 38 voltage options - simplifies BOM consolidation and layout reuse |
| 150 mW power rating | Supports low-power shunt regulation without external current limiting resistors in micro-power sensor biasing |
| RoHS and halogen-free compliance | Meets IEC 61249-2-21 requirements - qualifies for export to EU, Japan, and other regulated markets |
| Gold-plated, solderable terminals | Ensures reliable intermetallic bond formation during lead-free reflow, reducing voiding and tombstoning risk |
Applications
| USB-C Power Delivery Reference | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Providing precise 12 V reference for USB-C PD controller feedback loop in portable chargers. IC Role / Device Role / Timing Role: Shunt voltage reference stabilizing the VREF node against supply ripple and load transients. Use Value: Tight ±5% VZ tolerance and 20 Ω ZZT ensure <1% output voltage deviation under 5–10 mA load steps. | Use Scenario: Biasing bridge-based pressure sensors in factory automation modules operating at 12 V rail. IC Role / Device Role / Timing Role: Low-leakage (0.1 µA) voltage clamp protecting ADC input from overvoltage during ESD events. Use Value: Sub-microamp leakage preserves sensor offset accuracy while clamping transients up to 15 V. |
| Automotive Body Control Module | IoT Edge Node Power Management |
Use Scenario: Regulating 12 V auxiliary rail for LIN bus transceivers in vehicle door modules. IC Role / Device Role / Timing Role: Compact shunt regulator maintaining stable supply despite battery voltage swings (9–16 V). Use Value: −55 °C to +125 °C rating and 0603 size enable direct placement near transceiver ICs without thermal derating penalties. | Use Scenario: Generating local 12 V reference for buck converter feedback in battery-powered smart meters. IC Role / Device Role / Timing Role: Low-power Zener providing accurate feedback voltage without active regulation overhead. Use Value: 150 mW rating allows operation at 12.5 mA max - sufficient for typical optocoupler or error amplifier biasing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX584-C12 | Same 12 V ±5%, 150 mW rating, but in SOD-523 (1.3 × 0.8 mm); slightly smaller footprint and higher thermal resistance | Preferred where board area is tighter than 0603, but requires revalidation of solder joint reliability and thermal margin | Select BZX584-C12 only if 0.3 mm length reduction justifies redesign and qualification effort |
| MMBZ5242B | 12 V ±5%, 350 mW rating in SOT-23; higher power handling but 3-pin package with unused terminal | Suitable for higher-current shunt regulation (>20 mA), but occupies >3× board area and adds routing complexity | Choose MMBZ5242B only when >150 mW dissipation is required and space permits larger package |
Compared with BZX584-C12 and MMBZ5242B, TSZU52C12 RGG delivers optimal balance of 0603 footprint compatibility, 150 mW capability, and industry-standard Zener performance - making it ideal for cost-sensitive, space-constrained designs requiring no layout change from common 0603 references.
Availability
TSZU52C12 RGG is available at Aetrix Electronics and suitable for USB-C power delivery reference design, industrial sensor signal conditioning, and automotive body control module applications requiring stable component supply and full RoHS/halogen-free compliance.
Supply support for TSZU52C12 RGG 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 analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, serving global industrial, automotive, and consumer markets since 1979.
The TSZU52C series targets high-volume, space-constrained applications requiring reliable, standardized Zener regulation - emphasizing manufacturability, thermal robustness, and environmental compliance in 0603 format.
FAQ
What is the exact zener voltage tolerance for TSZU52C12 RGG?
The TSZU52C12 RGG has a guaranteed zener voltage range of 11.40 V to 12.60 V at 5 mA test current, representing a ±5% tolerance around the nominal 12 V rating. This specification is verified per Taiwan Semiconductor's G2009 datasheet and applies across the full operating temperature range of −55 °C to +125 °C.
Does TSZU52C12 RGG support lead-free reflow soldering?
Yes, TSZU52C12 RGG features gold-plated terminals qualified per MIL-STD-750 Method 2026 and is fully compatible with standard lead-free reflow profiles (peak temperature ≤260 °C). The 0603 package and plating ensure reliable wetting and intermetallic formation without voiding or dewetting issues.
What is the maximum leakage current for TSZU52C12 RGG and at what voltage is it measured?
The maximum leakage current for TSZU52C12 RGG is 0.1 µA, measured at 9.0 V reverse bias (VR). This value is specified in the Electrical Specifications table of the official datasheet and reflects worst-case off-state current under sub-breakdown conditions.
Can TSZU52C12 RGG be used in automotive under-hood applications?
Yes, TSZU52C12 RGG is rated for junction temperatures from −55 °C to +125 °C and meets RoHS/halogen-free standards, making it suitable for non-safety-critical automotive under-hood applications such as body control modules and lighting drivers - provided thermal design maintains TJ within limits under worst-case power dissipation.
What does the 'RGG' suffix indicate in TSZU52C12 RGG?
The 'RGG' suffix in TSZU52C12 RGG denotes the packaging configuration: 0603 case size supplied on a 7-inch reel with 4,000 units per reel. This ordering code aligns with Taiwan Semiconductor's standard tape-and-reel packaging for automated SMT assembly.
TSZU52C12 RGG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- 0603 (1608 Metric)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- Voltage - Zener (Nom) (Vz):
- 12 V
- Tolerance:
- ±5%
- Power - Max:
- 150 mW
- Impedance (Max) (Zzt):
- 20 Ohms
- Current - Reverse Leakage @ Vr:
- 100 nA @ 9 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
TSZU52C12 RGG FAQ
1.How can I place an order for TSZU52C12 RGG through Aetrix?
Please submit a Request for Quotation (RFQ) for TSZU52C12 RGG 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 TSZU52C12 RGG reliable?
The price and inventory of TSZU52C12 RGG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSZU52C12 RGG is usually 5 days.
3.What payment methods are accepted for TSZU52C12 RGG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSZU52C12 RGG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSZU52C12 RGG?
TSZU52C12 RGG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSZU52C12 RGG 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 TSZU52C12 RGG?
For technical support, including TSZU52C12 RGG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSZU52C12 RGG requirements.
6.How does Aetrix verify that TSZU52C12 RGG is sourced from the original manufacturer or authorized distributors?
All TSZU52C12 RGG 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 TSZU52C12 RGG meets industry standards.
7.What is the process for return or replacement of TSZU52C12 RGG?
All TSZU52C12 RGG units undergo pre-shipment inspection (PSI). If there is an issue with TSZU52C12 RGG, 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 TSZU52C12 RGG part is unused and in its original packaging.
Return procedure for TSZU52C12 RGG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TSZU52C12 RGG Tags
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