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Vishay General Semiconductor - Diodes Division BZW04-6V4BHE3/54
- Part No.:
- BZW04-6V4BHE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
BZW04-6V4BHE3/54.pdf
- Description:
- TVS DIODE 6.4VWM 11.3VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:7,936
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Product details
Overview
BZW04-6V4BHE3/54 from Vishay General Semiconductor is a bidirectional Transient Voltage Suppressor (TVS) diode in DO-41 package, designed for robust overvoltage protection of signal and power lines. It features a 6.40 V standoff voltage (VWM), 7.13–7.88 V breakdown voltage (VBR) at 10 mA, 11.3 V clamping voltage (VC) at 35.4 A peak pulse current (IPPM), and 400 W peak pulse power (PPPM) with 10/1000 μs waveform - deployed in automotive sensor interfaces, industrial I/O modules, and telecom line protection.
For engineers reviewing the BZW04-6V4BHE3/54 datasheet, BZW04-6V4BHE3/54 pinout, BZW04-6V4BHE3/54 application, or BZW04-6V4BHE3/54 equivalent, this device delivers AEC-Q101-qualified surge immunity, low clamping ratio (VC/VBR ≈ 1.48), bidirectional symmetry, and RoHS-compliant matte tin-plated leads suitable for J-STD-002 soldering.
Technical Context
This bidirectional TVS operates symmetrically in both polarities, with identical VBR min/max, VC, and IPPM values in forward and reverse directions. Its glass-passivated junction ensures stable leakage (<500 μA at VWM) and fast response time (<1 ns), enabling effective suppression of ESD, lightning-induced transients, and inductive switching spikes.
The device complies with ANSI/IEEE C62.35 surge standards and is rated for -55 °C to +175 °C operating junction temperature. Thermal derating follows Fig. 2, maintaining 400 W PPPM only at TA ≤ 25 °C; power dissipation drops to 1.5 W at TL = 75 °C on infinite heatsink.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 6.40 V - maximum continuous reverse working voltage before clamping begins; defines safe operating margin below breakdown. |
| VBR (min/max) | 7.13 V / 7.88 V at IT = 10 mA - tight breakdown tolerance ensures predictable turn-on across production lots. |
| VC @ IPPM | 11.3 V at 35.4 A - clamping voltage during 10/1000 μs surge; limits protected circuit stress to safe levels. |
| PPPM | 400 W - peak transient energy absorption capability; supports repetitive 0.01% duty cycle surges. |
| ID @ VWM | 500 μA max - low leakage preserves signal integrity and minimizes standby power loss in high-impedance circuits. |
| TJ max. | +175 °C - extended junction temperature rating enables use in under-hood automotive and industrial environments. |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing. |
Pinout & Package
DO-41 (DO-204AL) molded epoxy package with axial leads; no polarity marking - bidirectional operation confirmed by "B" suffix per datasheet. Matte tin-plated terminals meet J-STD-002 solderability and JESD22-B102 lead finish requirements.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Transient conduction path | Identical electrical behavior in either direction; no cathode band - eliminates orientation errors during placement. |
| Lead 1 / Lead 2 | Connection interface | Axial leads support through-hole mounting; 0.028–0.034 inch diameter accommodates standard PCB hole sizes. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Enables stable VBR and low leakage over lifetime; resists moisture ingress and electrochemical degradation. |
| 400 W peak pulse power (10/1000 μs) | Handles high-energy transients without failure - sufficient for ISO 7637-2 Pulse 1/2a/5a and IEC 61000-4-5 Level 3. |
| AEC-Q101 qualification | Validated for automotive applications including engine control units, body electronics, and ADAS sensor interfaces. |
| RoHS-compliant HE3 suffix | Meets JESD201 Class 2 whisker resistance and UL 94 V-0 flammability - suitable for safety-critical industrial systems. |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor inputs (e.g., pressure, temperature) from load dump and ESD in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional clamping element placed directly at connector entry point to shunt transients before reaching sensitive ICs. Use Value: Maintains signal fidelity under 400 W surges while meeting AEC-Q101 requirements for 15-year automotive service life. |
Use Scenario: Safeguarding 24 V DC digital input modules in programmable logic controllers against field-wiring induced surges and ground bounce. IC Role / Device Role / Timing Role: Standoff voltage (6.40 V) allows normal 24 V operation while clamping >11 V transients within microseconds. Use Value: Prevents false triggering and latch-up in optocoupler input stages without adding series impedance or delay. |
| Telecom Line Interface | Consumer Power Adapter ESD Guard |
Use Scenario: Shielding RS-485/RS-232 data lines in base station equipment from lightning-induced common-mode surges on long cable runs. IC Role / Device Role / Timing Role: Paired differential TVS configuration (one per line) referenced to ground, leveraging symmetrical bidirectional clamping. Use Value: Achieves <11.3 V clamping at 35.4 A - keeps transceiver ICs within absolute maximum ratings during IEC 61000-4-5 4 kV tests. |
Use Scenario: Adding secondary-level surge protection on USB-C and barrel-jack inputs of smart home hubs and AC/DC adapters. IC Role / Device Role / Timing Role: Low-leakage (500 μA) front-end guard that avoids loading 5 V standby rails while surviving 8 kV contact ESD (IEC 61000-4-2). Use Value: Enables compact, cost-effective design with single-device protection - no additional RC filtering or crowbar circuits required. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ6.0A | Unidirectional; 6.0 V VWM; 6.67–7.37 V VBR; 10.3 V VC @ 38.8 A; SMB package (surface-mount) | Requires polarity-aware layout; lacks AEC-Q101 qualification; lower thermal mass than DO-41 | Select when board space is constrained and unidirectional protection suffices with existing PCB footprint. |
| P6KE6.8CA | 6.8 V VWM; 7.56–8.36 V VBR; 11.2 V VC @ 35.7 A; DO-15 package (larger than DO-41); no AEC-Q101 | Higher clamping voltage and larger footprint; not automotive-qualified; legacy industrial use only | Choose only for legacy redesigns where DO-15 footprint is fixed and AEC-Q101 is not required. |
Compared with SMBJ6.0A and P6KE6.8CA, BZW04-6V4BHE3/54 offers verified bidirectional symmetry, AEC-Q101 qualification, tighter VBR tolerance, and DO-41 mechanical robustness - making it the preferred choice for new automotive and high-reliability industrial designs requiring through-hole assembly and zero-polarity sensitivity.
Availability
BZW04-6V4BHE3/54 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, and telecom line protection requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for BZW04-6V4BHE3/54 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
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, MOSFETs, optoelectronics, and passive components with emphasis on reliability and automotive-grade validation.
The BZW04 series is part of Vishay's TRANSZORB® TVS platform, engineered specifically for high-energy transient suppression in harsh environments - targeting automotive, industrial, and telecom infrastructure where AEC-Q101 compliance and repeatable clamping performance are mandatory.
FAQ
What is the clamping voltage of BZW04-6V4BHE3/54 and how does it protect downstream circuits?
The BZW04-6V4BHE3/54 has a maximum clamping voltage (VC) of 11.3 V at 35.4 A peak pulse current (10/1000 μs waveform). This means that during a surge event, the device limits the voltage seen by downstream components to ≤11.3 V - well below typical IC absolute maximum ratings (e.g., 16 V for many 5 V logic devices). Its fast response time (<1 ns) ensures clamping occurs before transient energy damages sensitive circuitry, preserving system reliability without adding propagation delay.
Is BZW04-6V4BHE3/54 suitable for automotive applications?
Yes, BZW04-6V4BHE3/54 is AEC-Q101 qualified and carries the HE3 suffix, indicating compliance with automotive reliability standards including temperature cycling, high-temperature reverse bias (HTRB), and ESD testing. Its -55 °C to +175 °C operating junction temperature range and DO-41 mechanical robustness make it appropriate for engine control units, body control modules, and ADAS sensor interfaces where sustained thermal stress and vibration are present.
How does the bidirectional nature of BZW04-6V4BHE3/54 affect its PCB layout?
The bidirectional design of BZW04-6V4BHE3/54 eliminates polarity marking - there is no cathode band, and either lead may connect to either side of the protected line. This simplifies PCB layout by removing orientation constraints, reducing assembly errors, and enabling symmetric placement across differential pairs (e.g., RS-485 A/B lines). No silkscreen polarity indicator is needed, and the device functions identically regardless of installation direction.
What is the meaning of the "HE3/54" suffix in BZW04-6V4BHE3/54?
The "HE3" suffix denotes RoHS-compliant construction with AEC-Q101 qualification and JESD201 Class 2 whisker resistance; "54" specifies the packaging format - 13-inch paper tape and reel with 550 units per reel. This ordering code ensures traceable sourcing, automotive-grade material compliance, and compatibility with standard SMT pick-and-place feeders when used with axial-to-SMT adapters, though BZW04-6V4BHE3/54 itself is a through-hole device.
Can BZW04-6V4BHE3/54 replace unidirectional TVS diodes like BZW04-6V4HE3/54 in existing designs?
No - BZW04-6V4BHE3/54 is strictly bidirectional and cannot substitute for unidirectional variants such as BZW04-6V4HE3/54 in circuits requiring DC blocking or polarity-specific clamping (e.g., power rail protection with defined anode/cathode paths). While both share identical VWM, VBR, and VC values, the unidirectional version conducts only in reverse bias and blocks forward current, whereas the "B" variant clamps equally in both directions. Swapping requires full circuit review and layout verification.
BZW04-6V4BHE3/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AL, DO-41, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 6.4V
- Voltage - Breakdown (Min):
- 7.13V
- Voltage - Clamping (Max) @ Ipp:
- 11.3V
- Current - Peak Pulse (10/1000µs):
- 35.4A
- Power - Peak Pulse:
- 400W
- 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-204AL (DO-41)
BZW04-6V4BHE3/54 FAQ
1.How can I place an order for BZW04-6V4BHE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZW04-6V4BHE3/54 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 BZW04-6V4BHE3/54 reliable?
The price and inventory of BZW04-6V4BHE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZW04-6V4BHE3/54 is usually 5 days.
3.What payment methods are accepted for BZW04-6V4BHE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZW04-6V4BHE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZW04-6V4BHE3/54?
BZW04-6V4BHE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZW04-6V4BHE3/54 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 BZW04-6V4BHE3/54?
For technical support, including BZW04-6V4BHE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZW04-6V4BHE3/54 requirements.
6.How does Aetrix verify that BZW04-6V4BHE3/54 is sourced from the original manufacturer or authorized distributors?
All BZW04-6V4BHE3/54 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 BZW04-6V4BHE3/54 meets industry standards.
7.What is the process for return or replacement of BZW04-6V4BHE3/54?
All BZW04-6V4BHE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with BZW04-6V4BHE3/54, 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 BZW04-6V4BHE3/54 part is unused and in its original packaging.
Return procedure for BZW04-6V4BHE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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