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Vishay General Semiconductor - Diodes Division BZW04P48HE3/54
- Part No.:
- BZW04P48HE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
BZW04P48HE3/54.pdf
- Description:
- TVS DIODE 47.8VWM 77VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:4,635
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Product details
Overview
BZW04P48HE3/54 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 47.8 V stand-off voltage (VWM), 77.0 V maximum clamping voltage (VC) at 5.2 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 cards.
For engineers reviewing the BZW04P48HE3/54 datasheet, BZW04P48HE3/54 pinout, BZW04P48HE3/54 application, or BZW04P48HE3/54 equivalent, key selection criteria include its AEC-Q101 qualification, DO-204AL (DO-41) through-hole package, bi-directional symmetry, low 0.103 %/°C VBR temperature coefficient, and verified performance under repetitive 0.01% duty-cycle surges.
Technical Context
This bi-directional TVS diode uses a glass passivated chip junction to achieve fast response time (<1 ns) and low incremental surge resistance, enabling effective suppression of ESD, lightning-induced transients, and inductive switching spikes. Its symmetrical breakdown behavior (VBR min/max = 53.2 V / 61.6 V at 1 mA) ensures identical clamping in both polarities without polarity marking.
The device operates across -55 °C to +175 °C junction temperature range and is rated for 1.5 W steady-state power dissipation on infinite heatsink at TL = 75 °C. It meets JESD22-B102 solderability and JESD201 class 2 whisker resistance (HE3 suffix), confirming suitability for high-reliability automotive PCB assembly.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 47.8 V - Maximum continuous reverse working voltage before conduction begins; defines safe operating margin below clamping threshold. |
| VBR (min/max) | 53.2 V / 61.6 V at 1 mA - Breakdown voltage range confirming bi-directional symmetry and production tolerance control. |
| VC @ IPPM | 77.0 V at 5.2 A - Clamping voltage during 10/1000 μs surge; limits downstream IC stress to sub-80 V under worst-case 400 W transient. |
| PPPM | 400 W - Peak pulse power handling per 10/1000 μs waveform; supports IEC 61000-4-5 Level 4 (4 kV) surge immunity design. |
| ID @ VWM | 1.0 μA - Reverse leakage at stand-off voltage; ensures negligible standby current in battery-powered or high-impedance circuits. |
| TJ max. | +175 °C - Maximum junction temperature; enables operation in under-hood automotive environments and industrial enclosures. |
| AEC-Q101 | Qualified - Validated for automotive-grade reliability including HTOL, temperature cycling, and ESD testing per AEC standard. |
Pinout & Package
Package: DO-204AL (DO-41), axial lead, epoxy-molded case meeting UL 94 V-0 flammability rating. Matte tin-plated leads compliant with J-STD-002 and JESD22-B102. Bi-directional construction means no cathode marking; leads are electrically symmetric.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Transient conduction path | Both terminals function identically; conducts bidirectionally when voltage exceeds ±VBR - no polarity orientation required during placement. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Enables stable VBR over lifetime and improved moisture resistance vs. non-passivated chips - critical for under-hood automotive use. |
| 400 W peak pulse power (10/1000 μs) | Supports robust protection against IEC 61000-4-5 surges up to 4 kV without degradation; validated at 0.01% duty cycle. |
| AEC-Q101 qualification (HE3 suffix) | Confirms compliance with automotive stress tests including 1000h HTOL at 175 °C, ensuring long-term reliability in safety-critical systems. |
| Low temperature coefficient (0.103 %/°C) | Minimizes VBR drift across operating temperature range - maintains consistent clamping performance from -40 °C to +125 °C ambient. |
| RoHS-compliant & lead-free (HE3) | Fulfills EU RoHS Directive 2011/65/EU and WEEE requirements; compatible with Pb-free reflow and wave soldering processes. |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor inputs (e.g., pressure, temperature) from load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Bidirectional clamping element placed directly at connector entry point to shunt transients before reaching ASIC or MCU pins. Use Value: Limits voltage excursion to ≤77.0 V during 5.2 A surge, preventing latch-up or gate oxide damage in 5 V/12 V automotive electronics. |
Use Scenario: Safeguarding digital input modules in programmable logic controllers exposed to inductive kickback from solenoids and contactors. IC Role / Device Role / Timing Role: Primary overvoltage clamp on 24 V DC field wiring, coordinated with upstream fusing and filtering. Use Value: Withstands repetitive 400 W surges at 0.01% duty cycle - enables maintenance-free operation in factory automation environments. |
| Telecom Line Interface | Consumer Power Adapter ESD Protection |
Use Scenario: Shielding Ethernet PHYs and DSL line drivers from lightning-induced surges on outdoor-facing ports. IC Role / Device Role / Timing Role: First-stage transient suppressor in multi-stage protection network, preceding GDT and MOV stages. Use Value: Fast <1 ns response captures initial surge edge; 77.0 V VC ensures PHY ICs (e.g., TI DP83848) remain within absolute maximum ratings. |
Use Scenario: Adding secondary-level ESD protection on USB-C and barrel jack inputs of AC/DC adapters for smart home devices. IC Role / Device Role / Timing Role: Low-leakage (1.0 μA) bi-directional clamp between VBUS and ground, placed after primary fuse. Use Value: Prevents false triggering during normal 5–20 V operation while passing IEC 61000-4-2 ±8 kV contact discharge 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 |
|---|---|---|---|
| SMBJ48CA | Same DO-214AA package; 48 V VWM but lower 600 W PPPM (vs. 400 W); higher 100 V VC at 6.5 A. | Surface-mount only; requires PCB redesign; better suited for space-constrained consumer designs than through-hole automotive harnesses. | Select SMBJ48CA only if SMT layout and higher clamping voltage are acceptable; BZW04P48HE3/54 remains preferred for legacy through-hole and AEC-Q101-compliant deployments. |
| P6KE48CA | DO-15 package; same 48 V VWM and bi-directionality; 600 W PPPM but higher 75 V VC at 6.5 A; not AEC-Q101 qualified. | Lacks automotive qualification; suitable for industrial/commercial grade where extended temperature validation is not required. | Choose P6KE48CA for cost-sensitive non-automotive applications; BZW04P48HE3/54 is mandatory where AEC-Q101 traceability and 175 °C TJ rating are specified. |
Compared with SMBJ48CA and P6KE48CA, BZW04P48HE3/54 uniquely combines AEC-Q101 qualification, DO-41 through-hole compatibility, and tightly controlled 77.0 V clamping - making it the only option certified for under-hood automotive sensor nodes requiring zero-layout change and full temperature-range validation.
Availability
BZW04P48HE3/54 is available at Aetrix Electronics and suitable for automotive electronics, industrial control systems, and telecom infrastructure requiring stable component supply with full AEC-Q101 traceability and long-lifecycle support.
Supply support for BZW04P48HE3/54 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, MOSFETs, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The BZW04P series belongs to Vishay's TransZorb® TVS platform engineered specifically for high-energy transient suppression in harsh environments - targeting automotive, industrial, and telecom applications demanding AEC-Q101 compliance and wide temperature operation.
FAQ
What is the clamping voltage of BZW04P48HE3/54 under a 10/1000 μs surge?
The BZW04P48HE3/54 exhibits a maximum clamping voltage (VC) of 77.0 V when subjected to its rated peak pulse current of 5.2 A using the standardized 10/1000 μs waveform. This value is guaranteed across production lots and tested per ANSI/IEEE C62.35, ensuring predictable overvoltage limiting for protected circuitry downstream of BZW04P48HE3/54.
Is BZW04P48HE3/54 suitable for automotive applications?
Yes, BZW04P48HE3/54 is AEC-Q101 qualified (confirmed by HE3 suffix) and rated for operation from -55 °C to +175 °C junction temperature. Its glass passivated junction, 0.01% surge duty cycle rating, and validation per automotive stress tests make BZW04P48HE3/54 appropriate for engine control units, body electronics, and ADAS sensor interfaces.
How does the HE3 suffix differ from E3 in BZW04P48HE3/54?
The HE3 suffix denotes AEC-Q101 qualification and JESD201 class 2 whisker resistance, whereas E3 indicates commercial-grade RoHS compliance only. BZW04P48HE3/54 undergoes additional high-temperature operating life (HTOL), temperature cycling, and mechanical stress validation - essential for automotive deployment where BZW04P48HE3/54 must maintain integrity over 15+ years.
What is the standoff voltage (VWM) and why is it important for BZW04P48HE3/54?
The standoff voltage (VWM) of BZW04P48HE3/54 is 47.8 V - the maximum continuous reverse voltage it can block without significant leakage. This parameter ensures BZW04P48HE3/54 remains non-conductive during normal 48 V system operation (e.g., automotive 24 V nominal with 100% tolerance), preventing power loss or false triggering while maintaining headroom before clamping initiates at ~53.2 V.
Can BZW04P48HE3/54 be used in bi-directional signal lines?
Yes, BZW04P48HE3/54 is explicitly designed for bi-directional applications, as indicated by the "B" in its full family designation (e.g., BZW04P48B). Its symmetrical VBR characteristics (53.2 V to 61.6 V in both directions) and unmarked leads confirm identical clamping behavior regardless of polarity - ideal for protecting differential buses like RS-485, CAN, or audio lines where voltage reversals occur.
BZW04P48HE3/54 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:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 47.8V
- Voltage - Breakdown (Min):
- 53.2V
- Voltage - Clamping (Max) @ Ipp:
- 77V
- Current - Peak Pulse (10/1000µs):
- 5.2A
- 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)
BZW04P48HE3/54 FAQ
1.How can I place an order for BZW04P48HE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZW04P48HE3/54 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 BZW04P48HE3/54 reliable?
The price and inventory of BZW04P48HE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZW04P48HE3/54 is usually 5 days.
3.What payment methods are accepted for BZW04P48HE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZW04P48HE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZW04P48HE3/54?
BZW04P48HE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZW04P48HE3/54 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 BZW04P48HE3/54?
For technical support, including BZW04P48HE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZW04P48HE3/54 requirements.
6.How does Aetrix verify that BZW04P48HE3/54 is sourced from the original manufacturer or authorized distributors?
All BZW04P48HE3/54 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 BZW04P48HE3/54 meets industry standards.
7.What is the process for return or replacement of BZW04P48HE3/54?
All BZW04P48HE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with BZW04P48HE3/54, 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 BZW04P48HE3/54 part is unused and in its original packaging.
Return procedure for BZW04P48HE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZW04P48HE3/54 Tags
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