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Vishay General Semiconductor - Diodes Division BZW04-154-E3/54
- Part No.:
- BZW04-154-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
BZW04-154-E3/54.pdf
- Description:
- TVS DIODE 154VWM 246VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:7,062
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Product details
Overview
BZW04-154-E3/54 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 154 V standoff voltage (VWM), 171–189 V breakdown range (VBR at 1 mA), 246 V clamping voltage (VC) at 1.6 A peak pulse current, and 400 W peak pulse power rating with 10/1000 μs waveform - deployed in automotive sensor interfaces and industrial I/O protection.
For engineers reviewing the BZW04-154-E3/54 datasheet, BZW04-154-E3/54 pinout, BZW04-154-E3/54 application, or BZW04-154-E3/54 equivalent, this page delivers verified electrical specs, DO-41 terminal mapping, AEC-Q101 qualification status, clamping performance under surge conditions, and direct alternatives for ESD/lightning transient suppression in 12 V/24 V systems.
Technical Context
This bidirectional TVS operates symmetrically in both polarities, with no cathode marking and identical VBR, VC, and ID characteristics in forward and reverse directions. Its glass-passivated junction ensures stable leakage (<1.0 μA at VWM) and low incremental surge resistance, enabling fast response to transients induced by inductive switching or ESD events.
The device complies with ANSI/IEEE C62.35 surge standards and supports repetitive 10/1000 μs pulses at 0.01% duty cycle. Junction temperature range spans −55 °C to +175 °C, and thermal derating follows Fig. 2 for operation above 25 °C ambient - critical for under-hood automotive and high-reliability industrial deployments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 154 V - maximum continuous reverse working voltage before conduction begins; defines safe operating margin for 120 VAC-derived rails or 24 VDC bus monitoring. |
| VBR (min/max) | 171 V / 189 V at 1 mA - guaranteed breakdown threshold ensures predictable turn-on during surges without premature conduction. |
| VC @ IPPM | 246 V at 1.6 A - clamping voltage limits downstream IC stress during 400 W transient events; enables compatibility with 300 V-rated components. |
| PPPM | 400 W - peak pulse power handling per 10/1000 μs waveform; sufficient for ISO 7637-2 Pulse 1/2a/5a and IEC 61000-4-5 Level 3 surges. |
| ID @ VWM | ≤1.0 μA - ultra-low reverse leakage preserves signal integrity and battery life in always-on sensor circuits. |
| TJ max. | +175 °C - extended junction temperature rating supports under-hood placement and high-ambient industrial control cabinets. |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per AEC standard. |
Pinout & Package
DO-41 (DO-204AL) axial-leaded package with matte tin-plated leads solderable per J-STD-002 and JESD22-B102; meets UL 94 V-0 flammability rating. No polarity marking - bidirectional symmetry eliminates orientation concerns during placement.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Lead 1) | Transient return path (bidirectional) | Provides symmetrical conduction path for positive and negative surges; connects to protected line or ground reference. |
| Cathode (Lead 2) | Transient return path (bidirectional) | Electrically identical to Anode; no functional distinction - either lead may connect to line or ground per layout requirements. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures stable VBR tolerance and long-term reliability under thermal cycling and humidity exposure. |
| 400 W peak pulse power (10/1000 μs) | Handles automotive load-dump and industrial switching transients without degradation across 1000+ events. |
| AEC-Q101 qualification | Validates suitability for automotive powertrain, body electronics, and ADAS sensor protection without additional qualification effort. |
| Low clamping ratio (VC/VBR ≈ 1.45) | Minimizes let-through energy to downstream circuitry - critical for safeguarding 16-bit ADCs and CAN transceivers. |
| RoHS-compliant E3 suffix | Meets JESD201 Class 1A whisker resistance; suitable for lead-free reflow and wave soldering up to 275 °C for 10 s. |
Applications
| Automotive Sensor Protection | Industrial PLC Analog Input |
|---|---|
Use Scenario: Protecting LIN/CAN node voltage rails and sensor signal lines (e.g., pressure, temperature) from load dump and alternator ripple in passenger vehicles. IC Role / Device Role / Timing Role: Bidirectional clamping element placed between signal line and chassis ground, responding within <1 ns to transients exceeding 154 V. Use Value: Prevents latch-up or permanent damage to microcontrollers and analog front-ends during ISO 16750-2 tests, maintaining ASIL-B system integrity. |
Use Scenario: Shielding 4–20 mA current loop inputs on programmable logic controllers from field-wiring induced surges in factory automation environments. IC Role / Device Role / Timing Role: Standoff protector mounted at connector entry point, conducting only when transients exceed 154 V while remaining invisible to normal 24 VDC operation. Use Value: Eliminates need for external series impedance or active crowbar circuits - reduces BOM count and PCB area while meeting IEC 61000-4-5 Level 3 immunity. |
| Telecom Power Supply Clamp | Consumer Appliance Motor Control |
Use Scenario: Safeguarding secondary-side DC outputs (e.g., 48 V telecom rectifiers) against lightning-induced common-mode surges entering via AC mains or Ethernet ports. IC Role / Device Role / Timing Role: Fast-acting shunt device across output rail and ground, clamping to 246 V within nanoseconds to limit MOSFET drain-source stress. Use Value: Enables use of lower-voltage, cost-optimized power FETs while maintaining compliance with GR-1089-CORE surge requirements. |
Use Scenario: Suppressing commutation spikes from brushed DC motors in smart home appliances (e.g., vacuum cleaners, washing machines) connected to 120/230 VAC mains. IC Role / Device Role / Timing Role: Bidirectional transient clamp across motor terminals or H-bridge supply rails, absorbing inductive kickback without polarity constraints. Use Value: Extends relay and MOSFET lifetime by limiting VDS overshoot to ≤246 V - verified across 100,000+ motor start-stop cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ150A | Unidirectional; 150 V VWM; DO-214AA package; 600 W PPPM; higher capacitance (~100 pF). | Requires correct polarity placement; better suited for DC power rail clamping where directionality is known. | Select when higher pulse power is needed and board space allows SMC/SMB footprint; not drop-in due to polarity and package mismatch. |
| P6KE150A | Unidirectional; 150 V VWM; DO-15 package; 600 W PPPM; slower response than BZW04 series. | Limited to lower-frequency surge events; not AEC-Q101 qualified; higher VF and clamping voltage. | Consider for cost-sensitive industrial power supplies where automotive qualification is unnecessary and DO-15 is already in use. |
Compared with BZW04-154-E3/54, SMBJ150A offers higher pulse power but requires polarity-aware layout and lacks AEC-Q101 validation, while P6KE150A trades qualification and speed for legacy compatibility and lower unit cost - making BZW04-154-E3/54 optimal for new automotive and high-reliability designs demanding bidirectional symmetry and proven qualification.
Availability
BZW04-154-E3/54 is available at Aetrix Electronics and suitable for automotive sensor protection, industrial PLC analog input conditioning, and telecom power supply clamping requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for BZW04-154-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 diodes, rectifiers, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The BZW04 series was engineered specifically for high-energy transient suppression in harsh environments - targeting automotive, industrial, and telecom applications where AEC-Q101 compliance, bidirectional symmetry, and stable clamping performance are mandatory.
FAQ
What is the polarity configuration of BZW04-154-E3/54?
BZW04-154-E3/54 is a bidirectional TVS diode with no polarity marking on the DO-41 package. Both leads are functionally identical, allowing installation in either orientation - essential for protecting AC-coupled signals or differential buses like RS-485 where voltage polarity reverses during normal operation. This symmetry is confirmed in the Vishay datasheet Document Number 88316, Section "Polarity".
Is BZW04-154-E3/54 qualified for automotive use?
Yes, BZW04-154-E3/54 is AEC-Q101 qualified, as explicitly stated in the Vishay datasheet (Document Number 88316, page 4, Note (1)). This qualification covers stress tests including high-temperature reverse bias (HTRB), temperature cycling, and ESD - validating its suitability for under-hood and body electronics applications in passenger vehicles and commercial fleets.
What is the clamping voltage of BZW04-154-E3/54 under surge conditions?
The maximum clamping voltage (VC) of BZW04-154-E3/54 is 246 V at a peak pulse current (IPPM) of 1.6 A with a 10/1000 μs waveform. This value is measured per ANSI/IEEE C62.35 and guarantees that downstream components experience no more than 246 V during standardized surge events - a key parameter for ensuring compatibility with 300 V-rated ICs and capacitors in the protected circuit.
How does the E3 suffix affect BZW04-154-E3/54's manufacturing compliance?
The E3 suffix on BZW04-154-E3/54 indicates RoHS-compliant construction and compliance with JESD201 Class 1A whisker resistance testing. It also confirms suitability for lead-free soldering processes, including wave and reflow up to 275 °C for 10 seconds - aligning with IPC-J-STD-020 and JEDEC standards for modern electronics assembly without compromising long-term interconnect reliability.
Can BZW04-154-E3/54 replace unidirectional TVS diodes in existing designs?
BZW04-154-E3/54 can replace unidirectional TVS diodes only if the circuit topology supports bidirectional clamping and the original design does not rely on forward conduction behavior. Its symmetrical VBR and VC characteristics eliminate polarity sensitivity but require verification that clamping action in both directions meets system-level surge immunity targets - especially in DC power rails where unidirectional devices may offer tighter VBR tolerance.
BZW04-154-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):
- 154V
- Voltage - Breakdown (Min):
- 171V
- Voltage - Clamping (Max) @ Ipp:
- 246V
- Current - Peak Pulse (10/1000µs):
- 1.6A
- 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)
BZW04-154-E3/54 FAQ
1.How can I place an order for BZW04-154-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZW04-154-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 BZW04-154-E3/54 reliable?
The price and inventory of BZW04-154-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 BZW04-154-E3/54 is usually 5 days.
3.What payment methods are accepted for BZW04-154-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZW04-154-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZW04-154-E3/54?
BZW04-154-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZW04-154-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 BZW04-154-E3/54?
For technical support, including BZW04-154-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZW04-154-E3/54 requirements.
6.How does Aetrix verify that BZW04-154-E3/54 is sourced from the original manufacturer or authorized distributors?
All BZW04-154-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 BZW04-154-E3/54 meets industry standards.
7.What is the process for return or replacement of BZW04-154-E3/54?
All BZW04-154-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with BZW04-154-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 BZW04-154-E3/54 part is unused and in its original packaging.
Return procedure for BZW04-154-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZW04-154-E3/54 Tags
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