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Vishay General Semiconductor - Diodes Division BZW04P8V5B-E3/73
- Part No.:
- BZW04P8V5B-E3/73
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
BZW04P8V5B-E3/73.pdf
- Description:
- TVS DIODE 8.55VWM 14.5VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:2,441
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Product details
Overview
BZW04P8V5B-E3/73 from Vishay General Semiconductor is a bi-directional TransZorb® transient voltage suppressor (TVS) diode designed for robust overvoltage protection in signal and power lines. It features a 8.55 V stand-off voltage (VWM), 9.50–11.0 V breakdown voltage (VBR) at 1 mA, 14.5 V clamping voltage (VC) at 27.6 A peak pulse current (IPPM), and 400 W peak pulse power (PPPM) with 10/1000 μs waveform - deployed in automotive sensor interfaces and industrial I/O protection.
For engineers reviewing the BZW04P8V5B-E3/73 datasheet, BZW04P8V5B-E3/73 pinout, BZW04P8V5B-E3/73 application, or BZW04P8V5B-E3/73 equivalent, key selection criteria include its bi-directional clamping behavior, DO-41 package compatibility, AEC-Q101 qualification, low 0.07 %/°C VBR temperature coefficient, and suitability for 12 V rail protection against ESD and load dump transients.
Technical Context
This bi-directional TVS diode operates symmetrically in both polarities, enabling single-device protection of AC-coupled or floating signal paths without polarity constraints. Its glass-passivated junction ensures stable leakage performance and fast response (<1 ns), while the 10/1000 μs waveform rating reflects standardized surge immunity per ANSI/IEEE C62.35.
The device is rated for continuous operation from –55 °C to +175 °C junction temperature, with thermal derating above 25 °C ambient and 1.5 W steady-state power dissipation on infinite heatsink at TL = 75 °C. Its 1000 nA max reverse leakage at VWM supports low-power sensing circuits without signal degradation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 8.55 V - maximum continuous working voltage before clamping begins; defines safe operating margin for 12 V nominal systems |
| VBR (min/max) | 9.50 V / 11.0 V at 1 mA - tight breakdown window ensures predictable turn-on across temperature and unit variation |
| VC @ IPPM | 14.5 V at 27.6 A - clamping voltage limits downstream IC stress during 400 W transient events |
| PPPM | 400 W - peak pulse power handling with 10/1000 μs waveform, validated for repetitive surges at 0.01 % duty cycle |
| ID @ VWM | 1000 nA max - ultra-low leakage preserves signal integrity in high-impedance sensor inputs |
| TJ Range | –55 °C to +175 °C - extended junction temperature range supports under-hood automotive and industrial environments |
| Temp Coeff | 0.07 %/°C - low VBR drift enables stable clamping performance across wide thermal excursions |
Pinout & Package
Package: DO-204AL (DO-41), axial leaded, molded epoxy case meeting UL 94 V-0 flammability rating; matte tin-plated leads compliant with J-STD-002 and JESD22-B102 solderability standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unmarked end) | Current entry point in forward bias | Not used in bi-directional clamping mode; terminal symmetry enables polarity-agnostic placement |
| Cathode (unmarked end) | Current exit point in forward bias | Identical electrical role to anode due to bi-directional construction; no color band marking required |
Key Features
| Feature | Design Value |
|---|---|
| Bi-directional clamping | Enables single-device protection of AC, differential, or floating lines without polarity orientation constraints |
| AEC-Q101 qualified | Validated for automotive applications including engine control units, body electronics, and ADAS sensor interfaces |
| Glass passivated junction | Ensures long-term reliability and stable leakage performance under humidity and thermal cycling stress |
| 400 W 10/1000 μs rating | Meets ISO 7637-2 Pulse 1, 2a, 3a/b and IEC 61000-4-5 surge immunity requirements for industrial equipment |
| RoHS-compliant (E3 suffix) | Meets Directive 2011/65/EU; matte tin plating eliminates lead and whisker risk per JESD201 Class 1A |
Applications
| Automotive Sensor Protection | Industrial I/O Interface |
|---|---|
Use Scenario: Protecting CAN, LIN, or analog sensor outputs (e.g., pressure, temperature) from load dump and ESD in vehicle ECUs. IC Role / Device Role / Timing Role: Bi-directional voltage clamp placed directly at connector or PCB edge to shunt transients before reaching MCU or signal conditioner. Use Value: Limits induced voltage to ≤14.5 V during 27.6 A surges, preserving signal integrity and preventing latch-up in 12 V rail systems. | Use Scenario: Safeguarding PLC digital input modules against field-wiring transients and relay coil flyback in factory automation. IC Role / Device Role / Timing Role: Primary surge suppression element across 24 V DC input terminals, coordinated with series impedance for energy absorption. Use Value: Withstands repetitive 400 W pulses at 0.01 % duty cycle, extending system uptime and reducing maintenance in harsh industrial environments. |
| Consumer Audio Line Protection | Telecom DSL/ADSL Port Protection |
Use Scenario: Shielding line-level audio inputs (RCA, 3.5 mm) in AV receivers and soundbars from ESD and cable-induced surges. IC Role / Device Role / Timing Role: Low-capacitance bi-directional clamp placed in series with input coupling capacitor to avoid signal distortion. Use Value: 1000 nA leakage at 8.55 V ensures no DC offset or bias shift in high-gain preamp stages. | Use Scenario: Protecting ADSL line drivers and receivers from lightning-induced surges on twisted-pair telephone lines. IC Role / Device Role / Timing Role: First-stage transient suppressor before transformer or integrated line interface IC (LIC), referenced to line common. Use Value: Symmetrical 9.5–11.0 V breakdown ensures balanced clamping on differential pair, maintaining signal common-mode integrity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ8.5CA | DO-214AA (SMB) package; 8.5 V VWM; 14.4 V VC @ 27.8 A; same 400 W PPPM rating | Surface-mount footprint requires PCB redesign; higher thermal resistance than axial DO-41 | Select when automated assembly and space-constrained layouts outweigh through-hole serviceability needs |
| P6KE8.5CA | DO-15 package; 8.5 V VWM; 14.4 V VC @ 27.8 A; 600 W PPPM (10/1000 μs); higher surge capacity | Larger body and higher power rating suit legacy industrial designs with margin headroom | Choose where legacy DO-15 footprint compatibility or 600 W surge margin is prioritized over size and weight |
Compared with BZW04P8V5B-E3/73, SMBJ8.5CA offers SMT compatibility but sacrifices axial lead mechanical robustness and thermal path efficiency, while P6KE8.5CA provides higher surge headroom in a larger through-hole package - making BZW04P8V5B-E3/73 optimal for cost-sensitive, AEC-Q101–required automotive and compact industrial designs.
Availability
BZW04P8V5B-E3/73 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O protection, and consumer audio line safeguarding requiring stable component supply and AEC-Q101 compliance.
Supply support for BZW04P8V5B-E3/73 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, rectifiers, MOSFETs, and protection devices with emphasis on reliability and automotive-grade qualification.
The BZW04P8V5B-E3/73 belongs to Vishay's TransZorb® family of transient voltage suppressors, engineered specifically for high-reliability overvoltage protection in automotive, industrial, and telecom infrastructure applications.
FAQ
What is the clamping voltage of the BZW04P8V5B-E3/73 under standard test conditions?
The BZW04P8V5B-E3/73 has a maximum clamping voltage (VC) of 14.5 V at 27.6 A peak pulse current (IPPM) using the 10/1000 μs waveform. This value is measured per ANSI/IEEE C62.35 and represents the upper voltage limit imposed on protected circuitry during a defined transient event. The clamping performance is guaranteed across the full operating temperature range and confirms effective protection for 12 V systems.
Is the BZW04P8V5B-E3/73 suitable for automotive applications?
Yes, the BZW04P8V5B-E3/73 is AEC-Q101 qualified and explicitly rated for automotive use. Its –55 °C to +175 °C junction temperature range, glass-passivated junction, and DO-41 mechanical robustness meet requirements for engine bay, chassis, and ADAS sensor module deployments. The "HE3" variant (not this part) adds enhanced whisker testing, but BZW04P8V5B-E3/73 remains fully compliant for standard automotive grade applications.
How does the bi-directional configuration of BZW04P8V5B-E3/73 affect its PCB layout?
The BZW04P8V5B-E3/73 has no polarity marking and functions identically in both directions, eliminating orientation constraints during placement. This simplifies layout for differential signals, AC-coupled lines, or floating grounds - unlike uni-directional TVS diodes that require strict cathode/anode alignment. Its DO-41 axial package also supports manual rework and high-vibration mechanical retention without solder joint fatigue concerns.
What is the maximum reverse leakage current specified for BZW04P8V5B-E3/73 at its stand-off voltage?
The BZW04P8V5B-E3/73 specifies a maximum reverse leakage current (ID) of 1000 nA at its 8.55 V stand-off voltage (VWM), tested at TA = 25 °C. This ultra-low leakage ensures minimal loading on high-impedance sensor outputs or precision reference nodes, preserving accuracy and battery life in always-on monitoring circuits without introducing measurable offset or drift.
Does the BZW04P8V5B-E3/73 meet RoHS and REACH compliance requirements?
Yes, the BZW04P8V5B-E3/73 carries the "E3" suffix, indicating full compliance with RoHS Directive 2011/65/EU and alignment with WEEE 2002/96/EC. Its matte tin-plated leads satisfy JESD201 Class 1A whisker testing, and the molding compound meets UL 94 V-0 flammability standards - confirming environmental safety and process compatibility for lead-free reflow and wave soldering.
BZW04P8V5B-E3/73 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AL, DO-41, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Box (TB)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 8.55V
- Voltage - Breakdown (Min):
- 9.5V
- Voltage - Clamping (Max) @ Ipp:
- 14.5V
- Current - Peak Pulse (10/1000µs):
- 27.6A
- Power - Peak Pulse:
- 400W
- 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-204AL (DO-41)
BZW04P8V5B-E3/73 FAQ
1.How can I place an order for BZW04P8V5B-E3/73 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZW04P8V5B-E3/73 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 BZW04P8V5B-E3/73 reliable?
The price and inventory of BZW04P8V5B-E3/73 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZW04P8V5B-E3/73 is usually 5 days.
3.What payment methods are accepted for BZW04P8V5B-E3/73?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZW04P8V5B-E3/73 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZW04P8V5B-E3/73?
BZW04P8V5B-E3/73 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZW04P8V5B-E3/73 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 BZW04P8V5B-E3/73?
For technical support, including BZW04P8V5B-E3/73 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZW04P8V5B-E3/73 requirements.
6.How does Aetrix verify that BZW04P8V5B-E3/73 is sourced from the original manufacturer or authorized distributors?
All BZW04P8V5B-E3/73 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 BZW04P8V5B-E3/73 meets industry standards.
7.What is the process for return or replacement of BZW04P8V5B-E3/73?
All BZW04P8V5B-E3/73 units undergo pre-shipment inspection (PSI). If there is an issue with BZW04P8V5B-E3/73, 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 BZW04P8V5B-E3/73 part is unused and in its original packaging.
Return procedure for BZW04P8V5B-E3/73:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZW04P8V5B-E3/73 Tags
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