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Vishay General Semiconductor - Diodes Division BZW04-11-E3/54
- Part No.:
- BZW04-11-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
BZW04-11-E3/54.pdf
- Description:
- TVS DIODE 11.1VWM 18.2VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:2,619
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Product details
Overview
BZW04-11-E3/54 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode in DO-41 package, designed for robust overvoltage protection of sensitive electronics. It features a 11.1 V standoff voltage (VWM), 12.4–13.7 V breakdown voltage (VBR) at 1 mA, and clamps transients to ≤18.2 V at 22 A peak pulse current (IPPM), enabling reliable protection of power rails and signal lines in industrial control systems.
For engineers reviewing the BZW04-11-E3/54 datasheet, BZW04-11-E3/54 pinout, BZW04-11-E3/54 application, or BZW04-11-E3/54 equivalent, this device is evaluated for surge immunity in 12 V DC power distribution, automotive body electronics, and I/O interface protection where fast response (<1 ns), 400 W peak pulse power (10/1000 µs), and AEC-Q101 qualification are critical selection criteria.
Technical Context
This unidirectional TVS diode operates as a voltage-clamping device across DC supply lines or signal paths, activating when transient voltage exceeds its breakdown threshold. Its glass-passivated junction ensures stable leakage performance (≤1.0 µA at VWM) and low incremental surge resistance, supporting repeatable clamping under repetitive 0.01% duty cycle surges.
The device complies with ANSI/IEEE C62.35 standards for transient suppression and is rated for operation from –55 °C to +175 °C junction temperature. Its 10/1000 µs waveform capability delivers 400 W peak pulse power dissipation, with thermal derating applied above 25 °C ambient per Figure 2 of the datasheet.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 11.1 V - Maximum continuous reverse operating voltage before conduction begins; defines safe DC operating margin. |
| VBR (Breakdown Voltage) | 12.4–13.7 V at 1 mA - Voltage at which device enters avalanche conduction; ensures precise turn-on for targeted protection. |
| VC (Clamping Voltage) | ≤18.2 V at 22 A IPPM - Peak voltage seen by protected circuit during surge; limits stress on downstream ICs. |
| PPPM (Peak Pulse Power) | 400 W (10/1000 µs) - Sustained transient energy handling capacity without failure; validated per REA-defined waveform. |
| IPPM (Peak Pulse Current) | 22 A - Maximum non-repetitive surge current the device safely clamps; determines survivability against lightning or ESD events. |
| TJmax | +175 °C - Maximum junction temperature rating; supports high-temperature environments including under-hood automotive use. |
| Leakage Current (ID) | ≤1.0 µA at VWM - Minimal standby power loss and signal integrity impact in always-on circuits. |
Pinout & Package
DO-41 (DO-204AL) molded epoxy package with axial leads. Cathode indicated by color band; anode is unmarked end. Leads are matte tin-plated, solderable per J-STD-002 and JESD22-B102, rated for 275 °C dip soldering (10 s max).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unbanded end) | Current entry point in forward bias; connected to lower-potential side of protected line | Enables standard cathode-to-rail placement for unidirectional clamping; polarity must match system ground reference. |
| Cathode (banded end) | Current exit point in forward bias; connected to higher-potential side (e.g., VCC rail) | Defines clamping direction: conducts only when cathode voltage exceeds anode by ≥VBR, protecting against positive transients. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures stable VBR tolerance and low leakage over lifetime and temperature cycling. |
| 400 W peak pulse power (10/1000 µs) | Supports IEC 61000-4-5 Level 4 surge immunity (4 kV line-to-earth) in compact DO-41 form factor. |
| AEC-Q101 qualified | Validated for automotive applications including body control modules and sensor interfaces requiring reliability under thermal shock and vibration. |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (e.g., inductive switch-off), improving clamping fidelity. |
| UL 94 V-0 molding compound | Meets flammability safety requirements for enclosed industrial and transportation equipment. |
Applications
| Automotive Body Control Module | Industrial PLC Digital Input Protection |
|---|---|
Use Scenario: Protecting 12 V supply inputs of BCM microcontrollers and CAN transceivers from load-dump and jump-start transients. IC Role / Device Role: Unidirectional clamping TVS placed between VBAT and ground, shunting surges before they reach LDO regulators. Use Value: Clamps 12 V rail to ≤18.2 V during 22 A transients, preventing brownout or latch-up in 3.3 V logic domains. |
Use Scenario: Safeguarding 24 V digital input channels of programmable logic controllers against field-wiring induced surges. IC Role / Device Role: Front-end transient suppressor on optocoupler input side, absorbing energy from inductive sensor switching. Use Value: Limits voltage seen by series resistor and opto-LED to <18.2 V, preserving long-term LED forward voltage stability and isolation integrity. |
| Consumer Appliance Motor Drive Board | Telecom Power Supply Input Stage |
Use Scenario: Shielding MCU I/O and gate drivers on washing machine motor control boards from commutation spikes. IC Role / Device Role: Localized TVS on 12 V auxiliary rail feeding H-bridge logic, placed adjacent to connector entry points. Use Value: Responds in <1 ns to 100 V/µs transients, preventing false triggering or latch-up in half-bridge gate drivers. |
Use Scenario: Secondary-side overvoltage protection on 48 V telecom rectifier outputs feeding base station backplane supplies. IC Role / Device Role: Standby clamping device across bulk capacitor, activated only during abnormal line surges or regulator fault conditions. Use Value: Withstands 400 W pulses without degradation, maintaining system uptime during grid-coupled transient events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ11A | DO-214AA package; 11 V VWM, 12.2–13.5 V VBR, 100 W PPPM, 9.2 A IPPM | Lower power rating; suited for PCB space-constrained designs where 400 W is not required. | Select SMBJ11A when footprint size is prioritized over surge energy handling and board layout allows surface-mount assembly. |
| P6KE11A | DO-15 package; 11 V VWM, 12.2–13.5 V VBR, 600 W PPPM, 32.3 A IPPM | Higher peak power and current rating; larger package with longer lead length affecting high-frequency impedance. | Choose P6KE11A when system-level surge testing requires >400 W margin or legacy DO-15 footprint compatibility is mandatory. |
Compared with BZW04-11-E3/54, SMBJ11A offers smaller size but sacrifices 75% peak power handling, while P6KE11A provides greater surge margin at the cost of larger DO-15 footprint and higher parasitic inductance-making BZW04-11-E3/54 the optimal balance of 400 W capability, DO-41 manufacturability, and AEC-Q101 compliance.
Availability
BZW04-11-E3/54 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC I/O protection, and telecom power supply designs requiring stable component supply, RoHS-compliant sourcing, and AEC-Q101 validation.
Supply support for BZW04-11-E3/54 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 high-reliability diodes, MOSFETs, and passive components for automotive, industrial, and computing markets.
The BZW04 series is part of Vishay's TRANSZORB® TVS platform, engineered specifically for high-energy transient suppression in harsh environments where AEC-Q101 qualification and stable clamping performance are mandatory.
FAQ
What is the maximum clamping voltage of the BZW04-11-E3/54 under surge conditions?
The BZW04-11-E3/54 has a maximum clamping voltage (VC) of 18.2 V when subjected to its rated 22 A peak pulse current (IPPM) using the standard 10/1000 µs waveform. This value is guaranteed across the full operating temperature range and ensures protected circuits remain below critical overvoltage thresholds during transient events.
Is the BZW04-11-E3/54 suitable for automotive applications?
Yes, the BZW04-11-E3/54 is AEC-Q101 qualified and rated for junction temperatures up to +175 °C, making it suitable for under-hood and body electronics applications. Its glass-passivated junction and robust DO-41 construction ensure reliability in automotive environments subject to thermal cycling, vibration, and electrical transients.
What does the "E3/54" suffix indicate in BZW04-11-E3/54?
The "E3" denotes RoHS-compliant, commercial-grade packaging with JESD201 Class 1A whisker resistance; "/54" specifies the preferred package code for 13-inch paper tape and reel delivery containing 550 units. This ordering format ensures traceable, standardized logistics for automated assembly lines.
How does the BZW04-11-E3/54 differ from bidirectional variants like BZW04-11B?
The BZW04-11-E3/54 is unidirectional, with a cathode band indicating polarity and optimized for clamping positive transients on DC rails. In contrast, BZW04-11B is bidirectional, lacks polarity marking, and protects against both positive and negative surges-making it appropriate for AC-coupled signal lines or differential buses where polarity reversal occurs.
What is the leakage current specification for BZW04-11-E3/54 at its standoff voltage?
At its 11.1 V standoff voltage (VWM), the BZW04-11-E3/54 exhibits a maximum reverse leakage current (ID) of 1.0 µA at 25 °C. This low leakage preserves power efficiency in always-on systems and avoids unintended loading of high-impedance sensor or reference circuits.
BZW04-11-E3/54 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 11.1V
- Voltage - Breakdown (Min):
- 12.4V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 22A
- 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)
BZW04-11-E3/54 FAQ
1.How can I place an order for BZW04-11-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZW04-11-E3/54 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 BZW04-11-E3/54 reliable?
The price and inventory of BZW04-11-E3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZW04-11-E3/54 is usually 5 days.
3.What payment methods are accepted for BZW04-11-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZW04-11-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZW04-11-E3/54?
BZW04-11-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZW04-11-E3/54 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 BZW04-11-E3/54?
For technical support, including BZW04-11-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZW04-11-E3/54 requirements.
6.How does Aetrix verify that BZW04-11-E3/54 is sourced from the original manufacturer or authorized distributors?
All BZW04-11-E3/54 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 BZW04-11-E3/54 meets industry standards.
7.What is the process for return or replacement of BZW04-11-E3/54?
All BZW04-11-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with BZW04-11-E3/54, 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 BZW04-11-E3/54 part is unused and in its original packaging.
Return procedure for BZW04-11-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZW04-11-E3/54 Tags
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