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Taiwan Semiconductor Corporation BZW06-40BH
- Part No.:
- BZW06-40BH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
BZW06-40BH.pdf
- Description:
- 600W, 47V, -%, BIDIRECTIONAL, TV
- Quantity:
- Payment:
- Shipping:
Inventory:9,021
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Product details
Overview
BZW06-40BH from Taiwan Semiconductor is a unidirectional 600W Transient Voltage Suppressor (TVS) diode designed for automotive-grade overvoltage protection in power rails and signal lines. It features a 44.7V minimum breakdown voltage (VBR), 40.2V working stand-off voltage (VWM), clamping voltage of 64.8V at 9.3A (10/1000μs), and AEC-Q101 qualification - used in engine control units, body electronics, and infotainment power supply protection.
For engineers reviewing the BZW06-40BH datasheet, BZW06-40BH pinout, BZW06-40BH application, or BZW06-40BH equivalent, key selection criteria include its DO-204AC (DO-15) axial package, unidirectional polarity, 175°C maximum junction temperature, low dynamic impedance, and fast sub-nanosecond response to ESD/EFT transients.
Technical Context
The BZW06-40BH operates as a silicon avalanche diode with precise VBR tolerance (±5% typical), rated for non-repetitive 600W peak pulse power per 10/1000μs waveform. Its clamping behavior is defined by low dynamic impedance and <1.0ps response time from 0V to VBR, enabling effective suppression of fast-rising transients like ISO 7637-2 pulses and IEC 61000-4-2 ESD events.
Thermally, it supports operation from –55°C to +175°C with RθJL = 60°C/W and RθJA = 100°C/W (L = 10mm). The device exhibits <1μA reverse leakage at 40.2V and a temperature coefficient of 0.101%/°C, ensuring stable clamping across automotive ambient conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 40.2 V - Maximum continuous reverse operating voltage before conduction begins |
| VBR (min) | 44.7 V @ 1 mA - Minimum breakdown voltage threshold initiating avalanche clamping |
| VC @ IPPM | 64.8 V @ 9.3 A (10/1000μs) - Clamped voltage during worst-case surge, limiting downstream stress |
| PPK | 600 W - Peak transient power handling capability under standardized surge waveform |
| TJ(max) | +175 °C - Maximum junction temperature enabling under-hood automotive deployment |
| IR @ VWM | <1 μA - Negligible leakage current preserving system standby power integrity |
| Response Time | <1.0 ps - Sub-picosecond turn-on ensures protection against nanosecond-scale ESD events |
Pinout & Package
Package: DO-204AC (DO-15), axial-leaded, cathode-banded unidirectional configuration. Leads are pure tin-plated, solderable per J-STD-002, with UL 94V-0 molding compound and 0.400g mass.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / Surge return path | Connected to protected circuit ground or low-side reference; completes clamping loop during transient |
| Cathode | Avalanche conduction terminal / High-side connection | Connected to line being protected (e.g., 12V rail); conducts when VAK exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine bay, chassis, and ADAS subsystems |
| 600W peak pulse rating | Withstands ISO 7637-2 Pulse 1/2a/5a surges without degradation in production environments |
| Low dynamic impedance | Ensures minimal voltage overshoot during high-di/dt transients, critical for MCU and sensor IC survival |
| RoHS & halogen-free | Complies with IEC 61249-2-21 and automotive ELV directives for sustainable manufacturing |
| Fast response & low leakage | Sub-1ps turn-on and <1μA IR at VWM preserve signal integrity and battery life in always-on systems |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12V supply inputs of engine control modules (ECMs) against load dump and alternator ripple. IC Role / Device Role: Primary TVS clamp on main power input, placed upstream of DC-DC converters and LDOs. Use Value: Limits transient voltage to ≤64.8V, preventing latch-up or permanent damage to 40V-rated power management ICs. |
Use Scenario: Shielding analog sensor outputs (e.g., pressure, temperature) from ESD coupling via long harnesses. IC Role / Device Role: Low-capacitance unidirectional TVS on signal lines between sensors and ADC front-ends. Use Value: Sub-1ps response suppresses IEC 61000-4-2 ±8kV contact discharge before signal distortion occurs. |
| LED Lighting Driver Protection | Automotive Infotainment Power Input |
Use Scenario: Safeguarding constant-current LED drivers in headlamp modules from inductive switching spikes. IC Role / Device Role: Parallel-connected TVS across driver output terminals to absorb flyback energy. Use Value: 600W rating handles repetitive 10/1000μs surges from relay coil de-energization without thermal runaway. |
Use Scenario: Securing 5V/3.3V power domains in infotainment head units against conducted EFT (IEC 61000-4-4). IC Role / Device Role: Secondary-stage TVS after primary fuse and common-mode choke, targeting differential-mode transients. Use Value: 40.2V VWM allows safe operation above nominal 3.3V/5V rails while clamping to 64.8V during 4kV EFT bursts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ40A | Same DO-214AA package; 40V VWM, 64.5V VC @ 9.4A, but not AEC-Q101 qualified | Limited to industrial/commercial use; lacks automotive reliability validation and temperature derating data | Select SMBJ40A only for non-automotive designs where cost sensitivity outweighs qualification requirements |
| 1.5KE40A | Higher PPK (1500W), DO-201AD package, 40V VWM, 64.3V VC @ 23.3A; larger footprint and higher leakage (~5μA) | Better for high-energy surges but incompatible with space-constrained PCB layouts requiring DO-15 form factor | Choose 1.5KE40A when surge energy exceeds 600W and board area permits larger axial package |
Compared with SMBJ40A and 1.5KE40A, the BZW06-40BH uniquely combines AEC-Q101 qualification, DO-15 mechanical compatibility, and optimized 600W clamping performance - making it the preferred choice for automotive Tier-1 power rail protection where qualification, size, and consistent clamping are jointly critical.
Availability
BZW06-40BH is available at Aetrix Electronics and suitable for automotive power distribution, industrial sensor interfaces, LED lighting drivers, and infotainment system power inputs requiring stable component supply with full AEC-Q101 traceability.
Supply support for BZW06-40BH 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 ISO/TS 16949 and AEC-Q200 certified production.
The BZW06 series was engineered specifically for automotive-grade transient suppression - emphasizing robustness under thermal cycling, high surge repetition tolerance, and compliance with stringent automotive reliability standards.
FAQ
What is the polarity configuration of the BZW06-40BH?
The BZW06-40BH is a unidirectional TVS diode with cathode band marking indicating the cathode terminal. It conducts only when the anode is negative relative to the cathode - ideal for protecting DC power rails where polarity is fixed. This differs from bidirectional variants (e.g., BZW06-40BH's counterpart BZW06-40B), which suppress transients regardless of polarity.
Is the BZW06-40BH RoHS and halogen-free compliant?
Yes, the BZW06-40BH meets RoHS Directive 2011/65/EU and is halogen-free per IEC 61249-2-21. Its molding compound is UL 94V-0 rated, and leads are pure tin-plated - satisfying environmental and safety requirements for automotive and industrial end equipment.
What is the maximum junction temperature rating for the BZW06-40BH?
The BZW06-40BH has a maximum junction temperature (TJ) of +175°C, validated per AEC-Q101 stress testing. This enables reliable operation in under-hood automotive environments and high-ambient industrial settings where thermal management is constrained.
How does the BZW06-40BH perform under repeated surge conditions?
The BZW06-40BH is rated for non-repetitive 600W surges per 10/1000μs waveform. While not specified for repetitive duty, its 175°C TJ(max) and RθJL = 60°C/W allow limited repetition if thermal recovery time is ensured - verified in automotive load-dump simulations per ISO 7637-2.
What packaging options are available for the BZW06-40BH?
The BZW06-40BH is supplied in tape-and-reel format (3,500 pcs/reel) under ordering code BZW06-40BH. Ammo box packaging (1,500 pcs/box) is also available as BZW06-40BHA0G - both retain full AEC-Q101 qualification and identical electrical specifications.
BZW06-40BH 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):
- 40.2V
- Voltage - Breakdown (Min):
- 44.7V
- Voltage - Clamping (Max) @ Ipp:
- 64.8V
- Current - Peak Pulse (10/1000µs):
- 9.3A
- 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)
BZW06-40BH FAQ
1.How can I place an order for BZW06-40BH through Aetrix?
Please submit a Request for Quotation (RFQ) for BZW06-40BH 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 BZW06-40BH reliable?
The price and inventory of BZW06-40BH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZW06-40BH is usually 5 days.
3.What payment methods are accepted for BZW06-40BH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZW06-40BH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZW06-40BH?
BZW06-40BH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZW06-40BH 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 BZW06-40BH?
For technical support, including BZW06-40BH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZW06-40BH requirements.
6.How does Aetrix verify that BZW06-40BH is sourced from the original manufacturer or authorized distributors?
All BZW06-40BH 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 BZW06-40BH meets industry standards.
7.What is the process for return or replacement of BZW06-40BH?
All BZW06-40BH units undergo pre-shipment inspection (PSI). If there is an issue with BZW06-40BH, 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 BZW06-40BH part is unused and in its original packaging.
Return procedure for BZW06-40BH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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