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Vishay General Semiconductor - Diodes Division BZW04P10HE3/73
- Part No.:
- BZW04P10HE3/73
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
BZW04P10HE3/73.pdf
- Description:
- TVS DIODE 10.2VWM 16.7VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:7,281
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Product details
Overview
BZW04P10HE3/73 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 10.2 V stand-off voltage (VWM), 16.7 V clamping voltage (VC) at 24.0 A peak pulse current (IPPM), and 400 W peak pulse power (PPPM) capability with 10/1000 µs waveform - deployed in automotive sensor interfaces, industrial I/O modules, and telecom line protection.
For engineers reviewing the BZW04P10HE3/73 datasheet, BZW04P10HE3/73 pinout, BZW04P10HE3/73 application, or BZW04P10HE3/73 equivalent, key selection criteria include its AEC-Q101 qualification, DO-204AL (DO-41) package, bi-directional symmetry, low clamping ratio (VC/VWM ≈ 1.64), and 0.078 %/°C temperature coefficient of breakdown voltage - critical for stable protection in wide-temperature automotive environments.
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 concerns. Its glass-passivated junction ensures stable leakage performance and high reliability under repetitive surge stress.
Designed for 10/1000 µs surge waveforms per IEC 61000-4-5, it delivers 400 W peak pulse power with low incremental surge resistance and fast sub-nanosecond response - clamping transients before downstream ICs (e.g., CAN transceivers, ADC front-ends, or microcontroller GPIOs) experience damaging overvoltage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 10.2 V - maximum continuous reverse voltage before significant conduction; defines operating margin below clamping threshold |
| VC (Clamping Voltage) | 16.7 V at IPPM = 24.0 A - peak voltage seen by protected circuit during worst-case 10/1000 µs surge |
| PPPM (Peak Pulse Power) | 400 W - energy-handling capacity for standardized lightning/surge transients per IEC 61000-4-5 |
| ID (Reverse Leakage) | 1.0 µA at VWM - minimal DC loading on signal lines; enables low-power sensor interface compatibility |
| TJ max. | 175 °C - supports operation in under-hood automotive and industrial ambient conditions |
| AEC-Q101 Qualified | Yes - validated for automotive electronics per stress test requirements including HTRB, HTGB, and temperature cycling |
| Package | DO-204AL (DO-41) - industry-standard axial leaded package with matte tin-plated leads, UL 94 V-0 molding |
Pinout & Package
DO-204AL (DO-41) package: axial-leaded, cylindrical epoxy-molded case with no polarity marking (bi-directional configuration). Leads are matte tin-plated, solderable per J-STD-002 and JESD22-B102, rated for 275 °C / 10 s solder dip.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bi-directional avalanche junction | No functional distinction between leads; either terminal serves as cathode or anode depending on transient polarity |
Key Features
| Feature | Design Value |
|---|---|
| Bi-directional suppression | Enables single-device protection of AC, differential, or floating nodes without polarity constraints |
| 400 W peak pulse power (10/1000 µs) | Meets IEC 61000-4-5 Level 4 surge immunity requirements for industrial and automotive ports |
| AEC-Q101 qualification | Validates reliability for automotive applications including engine control, body electronics, and ADAS sensor interfaces |
| Low clamping ratio (VC/VWM = 1.64) | Minimizes voltage overshoot during clamping - critical for protecting 12 V rail-connected logic and analog circuits |
| Glass-passivated junction | Ensures stable leakage and breakdown characteristics across temperature and lifetime, reducing field failure risk |
Applications
| Automotive Sensor Protection | Industrial Digital I/O Protection |
|---|---|
Use Scenario: Protecting LIN bus transceivers and temperature/pressure sensor outputs in engine control units exposed to load dump and inductive switching noise. IC Role / Device Role: Bi-directional TVS placed at connector entry point to clamp ±2 kV ESD and 1 kV surge transients before reaching MCU GPIO or analog front-end. Use Value: Prevents latch-up or gate oxide damage in 5 V/12 V sensor interfaces while maintaining <1 µA leakage at 10.2 V stand-off. |
Use Scenario: Safeguarding PLC digital input channels connected to 24 V DC field wiring subject to relay coil flyback and lightning-induced surges. IC Role / Device Role: Primary surge clamp on dry-contact or optocoupler input side, coordinated with series impedance for IEC 61000-4-4/5 compliance. Use Value: Limits transient voltage to ≤16.7 V during 24 A surge, ensuring downstream optocoupler CTR stability and controller reset immunity. |
| Telecom Line Interface | Consumer Equipment Power Input |
Use Scenario: Protecting RS-485 transceiver terminals in base station backhaul equipment subjected to induced surges from nearby power lines. IC Role / Device Role: Bi-directional TVS on differential pair (A/B lines), placed after common-mode choke to handle asymmetrical surges. Use Value: Maintains signal integrity with <10 pF junction capacitance at VWM, while clamping common-mode transients to safe levels for 3.3 V transceivers. |
Use Scenario: Secondary-level surge suppression on 5 V USB power input of smart home hubs exposed to ESD and conducted noise from wall adapters. IC Role / Device Role: Final-stage TVS after primary fuse and filter, absorbing residual transients that pass through upstream protection. Use Value: Provides 400 W pulse handling without derating at 75 °C ambient, supporting compact enclosure thermal design. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ10CA | Same DO-214AA package; higher 600 W PPPM but larger 17.0 V VC at 32.4 A IPPM (vs. 16.7 V at 24.0 A) | Preferred where board space allows SMT and higher surge margin is needed; less optimal for tight 12 V rail clamping | Select SMBJ10CA only if footprint change is acceptable and lower clamping voltage is not required. |
| P6KE10CA | DO-15 package; same 10 V VWM and 17.0 V VC, but lower 5.0 W PD and 600 W PPPM rating derates faster above 25 °C | Legacy through-hole alternative with inferior thermal performance and no AEC-Q101 qualification | Choose P6KE10CA only for cost-sensitive commercial designs without automotive qualification requirements. |
Compared with BZW04P10HE3/73, SMBJ10CA offers higher surge rating but sacrifices clamping precision and requires SMT rework, while P6KE10CA lacks automotive qualification and thermal robustness - making BZW04P10HE3/73 the optimal choice for AEC-Q101-compliant, space-constrained, low-clamp-voltage applications.
Availability
BZW04P10HE3/73 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 support, and AEC-Q101 traceability.
Supply support for BZW04P10HE3/73 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, automotive qualification, and high-volume manufacturability.
The BZW04P10HE3/73 belongs to Vishay's TransZorb® family of TVS diodes, engineered specifically for robust, standardized surge and ESD protection in harsh automotive and industrial environments.
FAQ
What is the clamping voltage of BZW04P10HE3/73 and why does it matter?
The BZW04P10HE3/73 has a maximum clamping voltage (VC) of 16.7 V at 24.0 A peak pulse current (IPPM) with a 10/1000 µs waveform. This value defines the highest voltage imposed on the protected circuit during a surge event - critical for ensuring downstream components like 12 V-rated transceivers or microcontrollers remain within absolute maximum ratings. A lower VC relative to VWM (10.2 V) indicates superior clamping efficiency, which the BZW04P10HE3/73 achieves with a ratio of ~1.64.
Is BZW04P10HE3/73 suitable for automotive applications?
Yes, BZW04P10HE3/73 is AEC-Q101 qualified and explicitly rated for automotive use. Its 175 °C maximum junction temperature, glass-passivated junction, and validation across HTRB, HTGB, and temperature cycling tests confirm suitability for engine control units, body electronics, and ADAS sensor interfaces. The HE3 suffix denotes AEC-Q101 qualification and JESD201 Class 2 whisker resistance - essential for under-hood reliability.
How does the bi-directional nature of BZW04P10HE3/73 affect circuit layout?
The bi-directional architecture of BZW04P10HE3/73 eliminates polarity sensitivity - both leads are functionally identical, so no cathode marking is present and orientation during placement is irrelevant. This simplifies PCB layout for AC-coupled lines, differential buses (e.g., RS-485), or floating sensors, reduces assembly errors, and avoids the need for dual uni-directional devices or polarity-aware routing.
What is the junction capacitance of BZW04P10HE3/73 and how does it impact high-speed signals?
The BZW04P10HE3/73 exhibits typical junction capacitance of <10 pF at VWM = 10.2 V and f = 1 MHz (per Vishay characterization curves). This low capacitance minimizes signal distortion and insertion loss on data lines up to ~10 Mbps (e.g., LIN, slow CAN, or UART), making it appropriate for protecting communication interfaces without degrading edge rates or introducing timing skew.
Can BZW04P10HE3/73 replace older P6KE10CA in existing designs?
BZW04P10HE3/73 is not a direct drop-in replacement for P6KE10CA due to package differences (DO-41 vs. DO-15) and tighter clamping (16.7 V vs. 17.0 V), though electrical parameters are closely aligned. Layout adaptation is required for lead spacing and thermal pad clearance. However, BZW04P10HE3/73 adds AEC-Q101 qualification, improved thermal derating, and RoHS-compliant HE3 processing - justifying redesign where automotive or long-term reliability is mandated.
BZW04P10HE3/73 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 10.2V
- Voltage - Breakdown (Min):
- 11.4V
- Voltage - Clamping (Max) @ Ipp:
- 16.7V
- Current - Peak Pulse (10/1000µs):
- 24A
- 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)
BZW04P10HE3/73 FAQ
1.How can I place an order for BZW04P10HE3/73 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZW04P10HE3/73 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 BZW04P10HE3/73 reliable?
The price and inventory of BZW04P10HE3/73 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZW04P10HE3/73 is usually 5 days.
3.What payment methods are accepted for BZW04P10HE3/73?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZW04P10HE3/73 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZW04P10HE3/73?
BZW04P10HE3/73 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZW04P10HE3/73 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 BZW04P10HE3/73?
For technical support, including BZW04P10HE3/73 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZW04P10HE3/73 requirements.
6.How does Aetrix verify that BZW04P10HE3/73 is sourced from the original manufacturer or authorized distributors?
All BZW04P10HE3/73 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 BZW04P10HE3/73 meets industry standards.
7.What is the process for return or replacement of BZW04P10HE3/73?
All BZW04P10HE3/73 units undergo pre-shipment inspection (PSI). If there is an issue with BZW04P10HE3/73, 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 BZW04P10HE3/73 part is unused and in its original packaging.
Return procedure for BZW04P10HE3/73:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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