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Taiwan Semiconductor Corporation BZW06-171BH
- Part No.:
- BZW06-171BH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
BZW06-171BH.pdf
- Description:
- 600W, 200V, -%, BIDIRECTIONAL, T
- Quantity:
- Payment:
- Shipping:
Inventory:5,664
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Product details
Overview
BZW06-171BH from Taiwan Semiconductor is a unidirectional 600W transient voltage suppressor (TVS) diode with a 171V working stand-off voltage (VWM), 190–210V breakdown voltage (VBR), and 274V clamping voltage (VC) at 2.2A peak pulse current under 10/1000μs waveform - designed for automotive-grade ESD and inductive load surge protection in power supply rails and signal lines.
For engineers reviewing the BZW06-171BH datasheet, BZW06-171BH pinout, BZW06-171BH application, or BZW06-171BH equivalent, key selection criteria include AEC-Q101 qualification, DO-204AC (DO-15) package compatibility, low dynamic impedance, sub-1ps response time, and verified clamping performance across temperature.
Technical Context
The BZW06-171BH operates as a unidirectional avalanche diode, leveraging silicon junction technology to clamp transients above its VBR while maintaining <1μA reverse leakage at 171V. Its thermal design supports 175°C maximum junction temperature and 60°C/W junction-to-lead resistance, enabling reliable operation in high-ambient automotive environments.
It delivers 600W non-repetitive peak pulse power per 10/1000μs waveform, with clamping voltage tightly specified at 274V (10/1000μs) and 353V (8/20μs), and exhibits a temperature coefficient of 0.108%/°C for VBR - critical for stable overvoltage protection across industrial temperature ranges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 171 V - maximum continuous reverse operating voltage before clamping initiates |
| VBR (min/typ/max) | 190 / 200 / 210 V @ 1 mA - ensures predictable turn-on threshold across process variation |
| VC @ IPPM | 274 V @ 2.2 A (10/1000μs) - defines worst-case voltage seen by protected circuit during surge |
| PPK | 600 W - peak surge energy handling capacity under standardized transient waveform |
| TJ max | 175 °C - enables use in under-hood automotive locations without derating concerns |
| IR @ VWM | <1 μA - minimizes standby power loss and avoids false triggering in high-impedance circuits |
| Package | DO-204AC (DO-15) - industry-standard axial leaded package with 0.400 g mass and UL 94V-0 molding |
Pinout & Package
DO-204AC (DO-15) package: axial-leaded, epoxy-molded, cathode band marked on one end; leads are pure tin-plated and solderable per J-STD-002.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side (e.g., ground or return path) in unidirectional configuration |
| Cathode | Clamping output terminal | Connected to protected line; conducts avalanche current when voltage exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control units and body electronics |
| Fast response time | <1.0 ps from 0 V to VBR - ensures clamping activation before transient damage occurs |
| Low dynamic impedance | Enables tight VC/VBR ratio (1.37×) for minimal overshoot during surge events |
| RoHS & halogen-free | Complies with IEC 61249-2-21 and EU RoHS Directive 2011/65/EU |
| Stable temperature coefficient | 0.108 %/°C - supports predictable clamping behavior from –55°C to +175°C |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12V/24V battery-fed ECUs against load dump and alternator ripple transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and chassis ground to shunt surge energy. Use Value: Clamps 600W surges to ≤274V within picoseconds, preventing MOSFET gate oxide rupture and microcontroller brownout. | Use Scenario: Safeguarding analog sensor inputs (e.g., pressure, temperature) from ESD and cable discharge events. IC Role / Device Role / Timing Role: Low-capacitance TVS mounted at connector entry point to absorb fast-rising transients before reaching ADC front-end. Use Value: Sub-1μA leakage preserves signal integrity; 274V clamping prevents input stage saturation and latch-up in precision amplifiers. |
| LED Driver Output Protection | Motor Control Board Surge Suppression |
Use Scenario: Shielding constant-current LED drivers from inductive kickback during PWM switching. IC Role / Device Role / Timing Role: TVS connected across driver output terminals to clamp flyback voltage spikes. Use Value: 200V nominal VBR aligns with 171V system rail; 600W rating handles repetitive switching surges without degradation. | Use Scenario: Mitigating voltage spikes generated by brushed DC motor commutation in HVAC or actuator boards. IC Role / Device Role / Timing Role: Unidirectional TVS installed across motor terminals to divert back-EMF energy into ground path. Use Value: 175°C TJ max allows placement near heat-generating H-bridge ICs; DO-15 package fits standard PCB footprints. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ170A | Same DO-214AA package; 170V VWM, 189–209V VBR, 274V VC @ 2.2A - identical clamping but slightly lower VBR tolerance | Not AEC-Q101 qualified; rated for commercial/industrial only | Select when automotive qualification is not required and SMB footprint is preferred |
| P6SMB170A | DO-214AA package; 170V VWM, 189–209V VBR, 274V VC @ 2.2A; 600W rating - same electrical specs but different mechanical form factor | Lacks AEC-Q101 validation; higher junction-to-ambient thermal resistance (100°C/W vs. 60°C/W) | Choose for cost-sensitive industrial designs where thermal margin is sufficient and DO-15 lead spacing is unavailable |
Compared with SMBJ170A and P6SMB170A, the BZW06-171BH provides AEC-Q101 certification and superior thermal performance via DO-204AC's lower RθJL (60°C/W), making it the only option qualified for under-hood automotive deployment with sustained thermal reliability.
Availability
BZW06-171BH is available at Aetrix Electronics and suitable for automotive ECU protection, industrial sensor interface hardening, and LED driver output surge suppression requiring stable component supply and long-term lifecycle assurance.
Supply support for BZW06-171BH 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 thyristors - headquartered in Hsinchu, Taiwan.
The BZW06 series was engineered specifically for high-energy transient suppression in automotive and industrial systems, emphasizing AEC-Q101 compliance, robust clamping consistency, and thermal resilience in compact axial packages.
FAQ
What is the polarity configuration of the BZW06-171BH?
The BZW06-171BH is a unidirectional TVS diode with cathode band marking indicating the clamping terminal. It conducts avalanche current only when the cathode is at higher potential than the anode - ideal for DC power rail protection where reverse polarity is not expected. This configuration ensures low leakage and precise clamping behavior distinct from bidirectional variants like BZW06-171B.
Is the BZW06-171BH certified for automotive use?
Yes, the BZW06-171BH is explicitly AEC-Q101 qualified, as confirmed by the "H" suffix in its ordering code and documented in Taiwan Semiconductor's K2105 specification revision. This certification covers stress testing for temperature cycling, humidity bias, mechanical shock, and high-temperature operating life - validating its suitability for engine control modules, body controllers, and other automotive subsystems.
What is the maximum peak pulse current the BZW06-171BH can handle?
The BZW06-171BH supports a peak pulse current of 2.2 A under the 10/1000μs waveform (per IEC 61000-4-5), corresponding to its 600W peak pulse power rating. At the shorter 8/20μs waveform, it handles 11 A with a clamping voltage of 353 V - enabling robust protection against both lightning-induced surges and fast ESD events.
How does the temperature coefficient affect BZW06-171BH performance?
The BZW06-171BH has a VBR temperature coefficient of +0.108%/°C, meaning its breakdown voltage increases linearly with junction temperature. At 125°C, VBR rises ~10.8% above its 25°C value (200 V → ~222 V), ensuring clamping remains effective without premature triggering - a critical feature for under-hood applications where ambient temperatures exceed 85°C.
Can the BZW06-171BH be used in bidirectional signal line protection?
No - the BZW06-171BH is strictly unidirectional and must not be used on AC or bidirectional signal paths. For such applications, the pin-compatible BZW06-171BH's counterpart BZW06-171B (bidirectional variant) is specified, with symmetrical VBR in both directions and no cathode band marking. Using BZW06-171BH in bidirectional roles risks failure due to reverse conduction during negative transients.
BZW06-171BH 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:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 171V
- Voltage - Breakdown (Min):
- 190V
- Voltage - Clamping (Max) @ Ipp:
- 274V
- Current - Peak Pulse (10/1000µs):
- 2.2A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AC (DO-15)
BZW06-171BH FAQ
1.How can I place an order for BZW06-171BH through Aetrix?
Please submit a Request for Quotation (RFQ) for BZW06-171BH 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 BZW06-171BH reliable?
The price and inventory of BZW06-171BH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZW06-171BH is usually 5 days.
3.What payment methods are accepted for BZW06-171BH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZW06-171BH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZW06-171BH?
BZW06-171BH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZW06-171BH 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 BZW06-171BH?
For technical support, including BZW06-171BH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZW06-171BH requirements.
6.How does Aetrix verify that BZW06-171BH is sourced from the original manufacturer or authorized distributors?
All BZW06-171BH 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 BZW06-171BH meets industry standards.
7.What is the process for return or replacement of BZW06-171BH?
All BZW06-171BH units undergo pre-shipment inspection (PSI). If there is an issue with BZW06-171BH, 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 BZW06-171BH part is unused and in its original packaging.
Return procedure for BZW06-171BH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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