Vishay General Semiconductor - Diodes Division BZW04P53B-E3/73
- Part No.:
- BZW04P53B-E3/73
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
BZW04P53B-E3/73.pdf
- Description:
- TVS DIODE 53VWM 85VC DO204AL
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
BZW04P53B-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 53.0 V stand-off voltage (VWM), 85.0 V maximum clamping voltage (VC) at 4.7 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 BZW04P53B-E3/73 datasheet, BZW04P53B-E3/73 pinout, BZW04P53B-E3/73 application, or BZW04P53B-E3/73 equivalent, key selection criteria include its bi-directional polarity, DO-204AL (DO-41) package compatibility, AEC-Q101 qualification, low 1.0 µA reverse leakage at VWM, and ±175 °C operating junction temperature range.
Technical Context
This bi-directional TVS diode operates symmetrically in both polarities, enabling clamp-based surge suppression without polarity dependency. Its glass-passivated junction delivers fast response time (<1 ns) and low incremental surge resistance, critical for protecting sensitive inputs against ESD (IEC 61000-4-2) and lightning-induced transients (IEC 61000-4-5).
The device complies with AEC-Q101 stress testing for automotive applications and uses a DO-204AL molded epoxy package rated UL 94 V-0. Its 0.104 %/°C breakdown voltage temperature coefficient ensures stable clamping performance across -55 °C to +175 °C operating range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 53.0 V - Maximum continuous reverse working voltage before conduction begins; defines safe operating margin for 48 V nominal systems. |
| VC @ IPPM | 85.0 V - Clamped voltage at 4.7 A peak pulse current; limits downstream IC stress during 10/1000 µs surges. |
| PPPM | 400 W - Peak pulse power handling per 10/1000 µs waveform; supports repetitive surge events at 0.01 % duty cycle. |
| IPPM | 4.7 A - Maximum non-repetitive peak pulse current; derived from VC and PPPM (P = V × I). |
| TJ max. | +175 °C - Maximum junction temperature; enables use in under-hood automotive environments and high-ambient industrial settings. |
| Leakage @ VWM | 1.0 µA - Reverse leakage current at rated stand-off voltage; ensures minimal power loss and signal integrity in always-on circuits. |
| Temp. Coeff. VBR | 0.104 %/°C - Temperature coefficient of breakdown voltage; guarantees predictable clamping shift over full operating range. |
Pinout & Package
Package: DO-204AL (DO-41), axial-leaded, molded epoxy case with matte tin-plated leads compliant to J-STD-002 and JESD22-B102 solderability standards. No polarity marking - bi-directional operation confirmed.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bi-directional avalanche junction | No functional distinction between leads; either terminal serves as input/output for transient energy absorption in both directions. |
Key Features
| Feature | Design Value |
|---|---|
| Bi-directional clamping | Enables single-device protection of AC-coupled or floating signal lines (e.g., CAN, RS-485, sensor bridges) without external polarity management. |
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD - suitable for engine control, ADAS sensor modules, and body electronics. |
| Glass-passivated junction | Ensures stable electrical parameters and long-term reliability under thermal stress and humidity exposure, critical for industrial field deployments. |
| UL 94 V-0 molding compound | Provides flame-retardant encapsulation required for safety-critical applications in transportation and building automation systems. |
| RoHS-compliant (E3 suffix) | Meets Directive 2011/65/EU with lead-free matte tin plating and JESD201 Class 1A whisker resistance - supports global manufacturing compliance. |
Applications
| Automotive Sensor Protection | Industrial I/O Interface |
|---|---|
Use Scenario: Protecting analog outputs of pressure/temperature sensors in engine bay environments exposed to load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Standby-mode TVS clamp absorbing >100 V transients before they reach ADC front-end or signal conditioning circuitry. Use Value: Maintains sensor accuracy by limiting voltage excursion to ≤85.0 V while surviving 400 W surge peaks - eliminating need for redundant protection stages. |
Use Scenario: Shielding 24 V PLC digital input channels from inductive kickback caused by solenoid/relay switching. IC Role / Device Role / Timing Role: Fast-response shunt element diverting surge current away from optocoupler input and microcontroller GPIO. Use Value: Achieves sub-1 ns response with <1.0 µA leakage, preserving logic threshold margins and reducing false triggering in noisy factory environments. |
| Telecom Line Interface | Consumer Power Adapter Input |
Use Scenario: Safeguarding RS-485 transceivers on outdoor security camera links subjected to lightning-induced common-mode surges. IC Role / Device Role / Timing Role: Bi-directional transient clamp on differential pair, referenced to ground via PCB layout. Use Value: Symmetric clamping ensures equal protection on A/B lines without polarity concerns - simplifying layout and reducing BOM count. |
Use Scenario: Secondary-side overvoltage suppression in USB-C PD adapters where 5–20 V rails require robust ESD immunity. IC Role / Device Role / Timing Role: Final-stage TVS on output connector, clamping fast transients before reaching connected devices. Use Value: 53.0 V VWM provides headroom above 20 V PD profiles while 85.0 V VC stays below typical IC absolute maximum ratings. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ53A-E3/52 | Unidirectional; 53.0 V VWM; SMB (DO-214AA) surface-mount package; 600 W PPPM. | Requires explicit polarity orientation; suited for space-constrained PCBs where through-hole DO-41 is impractical. | Select when board area is limited and unidirectional protection suffices (e.g., DC power rail with known polarity). |
| 1.5KE56A | Unidirectional; 56.0 V VWM; DO-204AC (DO-15) package; 1500 W PPPM; higher leakage (5.0 µA). | Higher power rating but larger footprint and lower temperature rating (TJ max = 175 °C same, but derating starts earlier). | Choose for legacy designs requiring higher surge margin in non-automotive contexts where AEC-Q101 is not mandated. |
Compared with BZW04P53B-E3/73, SMBJ53A-E3/52 offers greater power density in SMT format but lacks bi-directionality and AEC-Q101 validation; 1.5KE56A provides higher pulse power but trades off leakage, qualification, and package compatibility - making BZW04P53B-E3/73 optimal for new automotive and industrial through-hole designs demanding bi-directional, qualified, and thermally robust protection.
Availability
BZW04P53B-E3/73 is available at Aetrix Electronics and suitable for automotive sensor protection, industrial I/O interface hardening, and telecom line surge suppression requiring stable component supply, AEC-Q101 traceability, and DO-41 mechanical compatibility.
Supply support for BZW04P53B-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, MOSFETs, optoelectronics, and passive components with emphasis on reliability and application-specific performance.
The BZW04P series belongs to Vishay's TransZorb® TVS family engineered for high-energy transient suppression in harsh environments - targeting automotive, industrial, and telecom infrastructure where AEC-Q101 compliance and stable clamping are mandatory.
FAQ
What is the polarity configuration of BZW04P53B-E3/73?
BZW04P53B-E3/73 is a bi-directional TVS diode with symmetrical avalanche characteristics in both forward and reverse bias. There is no cathode marking on the DO-204AL package, and either lead may be connected to line or ground - enabling simplified placement in AC-coupled or floating circuits without polarity verification.
Does BZW04P53B-E3/73 meet automotive qualification standards?
Yes, BZW04P53B-E3/73 is AEC-Q101 qualified, having passed stress tests including high-temperature reverse bias (HTRB), temperature cycling, and ESD per JESD22-A114. This certification confirms its suitability for automotive powertrain, chassis, and ADAS subsystems where reliability under thermal and electrical stress is critical.
What is the maximum clamping voltage of BZW04P53B-E3/73 under surge conditions?
The maximum clamping voltage (VC) of BZW04P53B-E3/73 is 85.0 V when subjected to a 10/1000 µs peak pulse current of 4.7 A. This value is guaranteed per the Vishay datasheet (Document Number: 88316) and defines the upper voltage limit imposed on protected circuitry during transient events.
Can BZW04P53B-E3/73 be used in AC signal line protection?
Yes, BZW04P53B-E3/73 is explicitly designed for bi-directional applications such as AC-coupled data lines (e.g., RS-485, CAN, audio interfaces). Its symmetrical breakdown behavior ensures consistent clamping regardless of signal polarity, eliminating the need for dual-diode configurations or polarity-aware layout.
What packaging and plating specifications apply to BZW04P53B-E3/73?
BZW04P53B-E3/73 uses a DO-204AL (DO-41) axial package with matte tin-plated leads compliant to J-STD-002 and JESD22-B102. The "E3" suffix indicates RoHS compliance and JESD201 Class 1A whisker resistance, and the epoxy molding compound meets UL 94 V-0 flammability requirements.
BZW04P53B-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):
- 53V
- Voltage - Breakdown (Min):
- 58.9V
- Voltage - Clamping (Max) @ Ipp:
- 85V
- Current - Peak Pulse (10/1000µs):
- 4.7A
- 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)
BZW04P53B-E3/73 FAQ
1.How can I place an order for BZW04P53B-E3/73 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZW04P53B-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 BZW04P53B-E3/73 reliable?
The price and inventory of BZW04P53B-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 BZW04P53B-E3/73 is usually 5 days.
3.What payment methods are accepted for BZW04P53B-E3/73?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZW04P53B-E3/73 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZW04P53B-E3/73?
BZW04P53B-E3/73 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZW04P53B-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 BZW04P53B-E3/73?
For technical support, including BZW04P53B-E3/73 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZW04P53B-E3/73 requirements.
6.How does Aetrix verify that BZW04P53B-E3/73 is sourced from the original manufacturer or authorized distributors?
All BZW04P53B-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 BZW04P53B-E3/73 meets industry standards.
7.What is the process for return or replacement of BZW04P53B-E3/73?
All BZW04P53B-E3/73 units undergo pre-shipment inspection (PSI). If there is an issue with BZW04P53B-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 BZW04P53B-E3/73 part is unused and in its original packaging.
Return procedure for BZW04P53B-E3/73:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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