Taiwan Semiconductor Corporation BZW06-154
- Part No.:
- BZW06-154
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
BZW06-154.pdf
- Description:
- TVS DIODE 154VWM 317VC DO204AC
- Quantity:
- Payment:

- Shipping:

Inventory:3,168
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Product details
Overview
BZW06-154 from Taiwan Semiconductor is a unidirectional 600W transient voltage suppressor (TVS) diode designed for high-energy surge protection in automotive and industrial power rails. It features a 154V working stand-off voltage (VWM), 171–189V breakdown voltage (VBR) at 1mA, 246V clamping voltage at 2.4A (10/1000μs), and DO-204AC (DO-15) package. It protects ECUs, lighting drivers, and inductive load interfaces against EFT and ISO 7637-2 transients.
For engineers reviewing the BZW06-154 datasheet, BZW06-154 pinout, BZW06-154 application, or BZW06-154 equivalent, key selection criteria include clamping voltage margin relative to system rail, peak pulse current capability under 10/1000μs waveform, thermal resistance (RθJL = 60°C/W), AEC-Q101 qualification status, and unidirectional polarity marking for correct PCB orientation.
Technical Context
The BZW06-154 operates as a silicon avalanche diode with fast response (<1.0ps rise time from 0V to VBR) and low dynamic impedance, enabling rapid clamping of transient overvoltages before downstream ICs are damaged. Its junction-to-lead thermal resistance of 60°C/W supports reliable power dissipation during repetitive surges when mounted on copper land patterns per JESD22-A103.
Rated for -55°C to +175°C operating junction temperature, it meets AEC-Q101 stress test requirements including high-temperature reverse bias, temperature cycling, and mechanical shock. The device exhibits <1μA reverse leakage above 10V and a temperature coefficient of 0.108%/°C for VBR, ensuring stable clamping across automotive thermal environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 154 V - Maximum continuous DC or RMS voltage the device blocks without conduction |
| VBR @ IT=1mA | 171–189 V - Breakdown threshold where avalanche conduction begins; defines minimum overvoltage trip point |
| VC @ IPPM=2.4A (10/1000μs) | 246 V - Clamped voltage during 600W surge; determines maximum stress on protected circuit |
| PPK | 600 W - Peak non-repetitive surge power handling per JEDEC standard waveform |
| RθJL | 60 °C/W - Thermal resistance from junction to lead; dictates PCB copper area needed for thermal management |
| TJ Range | -55 to +175 °C - Valid operating junction temperature range; supports under-hood automotive use |
| IR @ VWM | <1 μA - Reverse leakage current at rated stand-off voltage; ensures minimal standby power loss |
Pinout & Package
Package: DO-204AC (DO-15), axial-leaded, epoxy-molded case with cathode band marking for unidirectional polarity. Leads are pure tin-plated, solderable per J-STD-002, and meet JESD201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side connection to protected circuit ground | Connected to GND or low-impedance return path; must be routed with minimal inductance for effective clamping |
| Cathode | High-side connection to protected line (e.g., 12V/24V rail) | Marked by band; connects to input rail; reverse-biased during normal operation; conducts during positive transients |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified variant available (BZW06-154H) | Validated for automotive-grade reliability including HTOL, TC, and HAST testing per AEC-Q101 Rev D |
| Clamping voltage ≤246V at 2.4A (10/1000μs) | Ensures protected ICs see less than 25% overvoltage margin above 154V rail during worst-case surge |
| Response time <1.0ps (unidirectional) | Enables sub-nanosecond reaction to fast-rising ESD/EFT events before damage occurs |
| RoHS and halogen-free compliant | Meets IEC 61249-2-21 and EU RoHS Directive 2011/65/EU for environmentally restricted materials |
| Steady-state power dissipation 1.7W at TL=75°C | Supports continuous operation in hot ambient environments when heatsinked via PCB copper |
Applications
| Automotive ECU Power Rail Protection | Industrial LED Driver Surge Suppression |
|---|---|
Use Scenario: Protecting microcontroller power inputs in engine control units exposed to ISO 7637-2 Pulse 1, 2a, and 5a transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery rail and LDO input to clamp negative-going load dump and positive spikes. Use Value: Limits voltage seen by LDO to ≤246V during 600W surge, preventing latch-up or gate oxide rupture in upstream regulators. | Use Scenario: Safeguarding constant-current LED driver ICs in streetlight systems subjected to lightning-induced surges on AC mains input. IC Role / Device Role / Timing Role: Mounted across bulk capacitor input to absorb 10/1000μs line transients before rectification and regulation stages. Use Value: Withstands 2.4A peak pulse current while maintaining clamping below 250V, preserving driver IC lifetime under repeated surge stress. |
| Automotive Lighting Module ESD Protection | Inductive Load Switching Protection |
Use Scenario: Shielding CAN/LIN transceivers and LED matrix controllers in headlamp modules from human-body-model (HBM) ESD events. IC Role / Device Role / Timing Role: Placed at connector interface to shunt ESD current away from signal lines and power pins of communication ICs. Use Value: Sub-1ps response captures fast ESD rise times; <1μA leakage avoids signal integrity degradation on low-power data lines. | Use Scenario: Preventing voltage spikes from relay or solenoid coil de-energization in vehicle body control modules. IC Role / Device Role / Timing Role: Connected in parallel with inductive load to provide low-impedance path for back-EMF energy dissipation. Use Value: 600W surge rating handles repetitive switching events; 175°C max junction temperature sustains operation during high-duty-cycle actuation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ150A | Lower PPK (600W same), but higher VC = 243V @ 2.5A; DO-214AA package; no AEC-Q101 option | Same clamping performance but lacks automotive qualification; requires re-layout due to SMC footprint | Select SMBJ150A only for cost-sensitive industrial designs where AEC-Q101 is not required and board space allows SMC package |
| P6KE150A | Same DO-15 package; lower PPK = 600W; VC = 243V @ 2.5A; no AEC-Q101; higher leakage (~5μA @ VWM) | Compatible footprint but inferior thermal resistance (RθJA ≈ 120°C/W vs. 100°C/W); not qualified for automotive | Use P6KE150A only in legacy designs where DO-15 compatibility is mandatory and automotive qualification is unnecessary |
Compared with SMBJ150A and P6KE150A, the BZW06-154 offers AEC-Q101 qualification, tighter VBR tolerance (171–189V vs. ±5%), lower leakage (<1μA), and superior thermal performance (RθJL = 60°C/W), making it preferred for new automotive designs requiring long-term reliability and thermal robustness.
Availability
BZW06-154 is available at Aetrix Electronics and suitable for automotive ECU protection, industrial LED driver surge suppression, and inductive load switching protection requiring stable component supply across extended temperature ranges and high-reliability production programs.
Supply support for BZW06-154 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, TVS diodes, rectifiers, and MOSFETs, with global distribution and AEC-Q101-compliant production lines.
The BZW06 series is engineered specifically for high-energy transient suppression in automotive and industrial environments, emphasizing robust clamping, thermal stability, and qualification-grade reliability under harsh electrical and thermal stress.
FAQ
What is the maximum clamping voltage of the BZW06-154 under standard 10/1000μs surge conditions?
The BZW06-154 has a maximum clamping voltage (VC) of 246 V when subjected to a 2.4 A peak pulse current with a 10/1000μs waveform. This value is measured per JEDEC standards and represents the upper limit of voltage imposed on the protected circuit during a 600W transient event. The BZW06-154 maintains this clamping performance across its full operating temperature range, ensuring consistent protection behavior in automotive under-hood environments.
Is the BZW06-154 suitable for automotive applications requiring AEC-Q101 qualification?
Yes - the BZW06-154H variant is explicitly AEC-Q101 qualified per Revision D, covering stress tests including high-temperature reverse bias, temperature cycling, and mechanical shock. While the base BZW06-154 part is not automatically qualified, the "H" suffix denotes full compliance. Engineers specifying the BZW06-154 for automotive use must select BZW06-154H to meet OEM reliability requirements. The BZW06-154 itself shares identical electrical specs but lacks formal qualification documentation.
What is the thermal resistance from junction to lead (RθJL) for the BZW06-154, and why does it matter?
The BZW06-154 has a junction-to-lead thermal resistance (RθJL) of 60°C/W, measured under standard test conditions. This parameter directly impacts how much power the device can safely dissipate during transient events without exceeding its 175°C maximum junction temperature. A lower RθJL enables more efficient heat transfer to PCB copper lands or heatsinks, allowing the BZW06-154 to sustain higher surge repetition rates or operate reliably in high-ambient-temperature environments such as engine compartments.
How does the BZW06-154 differ from bidirectional TVS diodes like BZW06-154B?
The BZW06-154 is unidirectional and features a cathode band marking for polarity-sensitive placement, whereas the BZW06-154B is bidirectional with symmetrical breakdown in both directions and no polarity marking. The BZW06-154 is intended for DC rail protection where only positive transients occur (e.g., 12V battery lines), offering lower capacitance and faster response (<1.0ps). In contrast, BZW06-154B suits AC-coupled or differential signal lines where bipolar transients exist. Both share identical VWM, VBR, and PPK ratings, but their circuit integration and layout rules differ fundamentally.
What is the reverse leakage current specification for the BZW06-154 at its working stand-off voltage?
The BZW06-154 exhibits a maximum reverse leakage current (IR) of less than 1 μA when biased at its rated working stand-off voltage (VWM) of 154 V and tested at 25°C. This ultra-low leakage minimizes standby power loss and avoids loading sensitive reference or monitoring circuits connected to the same rail. The specification holds across the full -55°C to +125°C ambient range, with leakage increasing predictably per Arrhenius behavior - critical for battery-powered or energy-efficient automotive subsystems relying on the BZW06-154.
BZW06-154 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-204AC, DO-15, Axial
- Series:
- BZW06
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 154V
- Voltage - Breakdown (Min):
- 171V
- Voltage - Clamping (Max) @ Ipp:
- 317V
- Current - Peak Pulse (10/1000µs):
- 13A (8/20µs)
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AC (DO-15)
BZW06-154 FAQ
1.How can I place an order for BZW06-154 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZW06-154 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 BZW06-154 reliable?
The price and inventory of BZW06-154 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZW06-154 is usually 5 days.
3.What payment methods are accepted for BZW06-154?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZW06-154 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZW06-154?
BZW06-154 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZW06-154 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 BZW06-154?
For technical support, including BZW06-154 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZW06-154 requirements.
6.How does Aetrix verify that BZW06-154 is sourced from the original manufacturer or authorized distributors?
All BZW06-154 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 BZW06-154 meets industry standards.
7.What is the process for return or replacement of BZW06-154?
All BZW06-154 units undergo pre-shipment inspection (PSI). If there is an issue with BZW06-154, 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 BZW06-154 part is unused and in its original packaging.
Return procedure for BZW06-154:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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