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Vishay General Semiconductor - Diodes Division BZW04-14-E3/73
- Part No.:
- BZW04-14-E3/73
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
BZW04-14-E3/73.pdf
- Description:
- TVS DIODE 13.6VWM 22.5VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:9,578
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Product details
Overview
BZW04-14-E3/73 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 13.6 V stand-off voltage (VWM), 15.2–16.8 V breakdown voltage (VBR) at 1 mA, 22.5 V maximum clamping voltage (VC) at 17.8 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 BZW04-14-E3/73 datasheet, BZW04-14-E3/73 pinout, BZW04-14-E3/73 application, or BZW04-14-E3/73 equivalent, this page delivers verified electrical parameters, DO-41 terminal mapping, AEC-Q101 qualification status, clamping performance under surge conditions, and direct alternatives for ESD/surge co-design in 12 V rail systems.
Technical Context
This bidirectional TVS operates symmetrically in both polarities, with identical VBR, VC, and leakage characteristics across forward and reverse directions. Its glass-passivated junction ensures stable breakdown behavior and low incremental surge resistance (<0.5 Ω typical), critical for fast transient suppression in automotive CAN/LIN bus nodes and analog sensor inputs.
The device complies with AEC-Q101 stress testing for automotive use and supports soldering per JESD 22-B106 (275 °C, 10 s). With a -55 °C to +175 °C operating junction temperature range and 0.086 %/°C VBR temperature coefficient, it maintains predictable clamping across extended thermal environments in engine control units and motor drives.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13.6 V - Maximum continuous working voltage before conduction; sets safe operating margin for 12 V nominal systems. |
| VBR (min/max) | 15.2 V / 16.8 V at 1 mA - Confirmed breakdown threshold ensures reliable turn-on during transients exceeding system rail. |
| VC @ IPPM | 22.5 V at 17.8 A - Clamping voltage limits downstream IC stress during 400 W 10/1000 µs surges. |
| IPPM | 17.8 A - Peak pulse current handling capacity validated per IEC 61000-4-5 Level 3 (1 kV/2 Ω). |
| PPPM | 400 W - Sustained surge energy absorption without degradation under repetitive 0.01 % duty cycle. |
| ID @ VWM | 1.0 µA - Ultra-low reverse leakage preserves signal integrity in high-impedance sensor bias networks. |
| TJ max | +175 °C - Enables placement near heat sources (e.g., power MOSFETs) without derating concerns. |
Pinout & Package
DO-41 (DO-204AL) molded epoxy package with matte tin-plated leads; compliant with UL 94 V-0 flammability rating and J-STD-002 solderability standards. Bidirectional polarity: no marking on body - symmetrical terminal function.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Transient conduction path | Both terminals serve identically as input/output nodes; no polarity dependency enables universal placement on differential or single-ended lines. |
| Lead 1 / Lead 2 | PCB interconnect interface | Leads support manual or automated insertion; 0.028–0.034 inch diameter accommodates standard DO-41 footprints and wave-solder profiles. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated chip junction | Ensures stable VBR tolerance (±5 %) and long-term reliability under thermal cycling and humidity exposure. |
| AEC-Q101 qualification | Validated for automotive applications including engine control, body electronics, and ADAS sensor modules. |
| 400 W peak pulse power (10/1000 µs) | Withstands ISO 7637-2 Pulse 1/2/3a/b and IEC 61000-4-5 surges without parameter shift or failure. |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients (<1 ns response), protecting sensitive CMOS inputs. |
| RoHS-compliant (E3 suffix) | Meets JESD201 Class 1A whisker resistance, suitable for lead-free reflow and high-reliability industrial assembly. |
Applications
| Automotive Sensor Protection | Industrial Analog I/O Protection |
|---|---|
Use Scenario: Protecting LIN bus transceivers and temperature/pressure sensors in engine compartments exposed to load dump and inductive switching noise. IC Role / Device Role / Timing Role: Bidirectional clamping element placed directly at connector entry point to shunt transients before reaching ASIC or microcontroller GPIO. Use Value: Limits induced voltage to ≤22.5 V during 17.8 A surges, preventing latch-up or gate oxide damage in 3.3 V/5 V sensor signal chains. |
Use Scenario: Safeguarding 4–20 mA current loop inputs and ±10 V analog front-ends in PLC modules subjected to field wiring surges. IC Role / Device Role / Timing Role: Standoff-clamp TVS connected across differential input pins to suppress common-mode transients while preserving signal fidelity. Use Value: 1.0 µA leakage at 13.6 V avoids loading high-impedance op-amp inputs; 175 °C TJ rating supports operation in sealed enclosures. |
| Consumer Power Adapter Input | Telecom Line Interface |
Use Scenario: Secondary-side overvoltage suppression in AC/DC adapters for USB-C PD and smart home hubs. IC Role / Device Role / Timing Role: Fast-response TVS placed after rectifier but before primary controller IC to clamp transformer ringing and ESD events. Use Value: 22.5 V clamping prevents overvoltage shutdown of PWM controllers; DO-41 footprint allows retrofit into legacy designs. |
Use Scenario: Surge protection on RJ-11/RJ-45 telephone line interfaces in VoIP gateways and DSL modems. IC Role / Device Role / Timing Role: Bidirectional transient suppressor bridging tip/ring lines to earth ground, meeting GR-1089-CORE Level 3 requirements. Use Value: 400 W rating handles lightning-induced surges; 0.086 %/°C VBR TC ensures consistent performance across ambient temperature swings. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ14CA | DO-214AA package; 14 V VWM, 23.2 V VC @ 17.2 A; same PPPM (400 W) but higher clamping voltage. | Surface-mount alternative requiring PCB redesign; better suited for space-constrained consumer boards than through-hole industrial modules. | Select SMBJ14CA when board real estate is limited and reflow compatibility is required; verify thermal relief pad design for 1.5 W steady-state dissipation. |
| P6KE15CA | DO-15 package; 15 V VWM, 24.4 V VC @ 16.4 A; lower surge current rating and wider VBR tolerance (±10 %). | Legacy through-hole option with longer lead inductance; less effective for <100 ns rise-time transients due to higher parasitic inductance. | Choose P6KE15CA only for cost-sensitive, non-automotive applications where AEC-Q101 is not mandated and clamping margin >24 V is acceptable. |
Compared with BZW04-14-E3/73, SMBJ14CA offers SMT compatibility but sacrifices clamping precision and thermal robustness, while P6KE15CA provides lower cost at the expense of AEC-Q101 validation and tighter VBR control - making BZW04-14-E3/73 optimal for automotive-grade through-hole surge protection where reliability and low VC are critical.
Availability
BZW04-14-E3/73 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial analog I/O protection, and telecom line interface circuits requiring stable component supply, AEC-Q101 compliance, and repeatable clamping performance across production batches.
Supply support for BZW04-14-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 high-reliability diodes, MOSFETs, and passive components for automotive, industrial, and computing markets.
The BZW04 series belongs to Vishay's TRANSZORB® TVS family, engineered specifically for bidirectional transient suppression in harsh electromagnetic environments - emphasizing low clamping voltage, AEC-Q101 qualification, and stable parametric performance over temperature and lifetime.
FAQ
What is the polarity configuration of BZW04-14-E3/73?
BZW04-14-E3/73 is a bidirectional TVS diode with symmetrical anode/cathode terminals and no polarity marking on the DO-41 package. Its electrical characteristics - including VBR, VC, and leakage - are identical in both directions, enabling flexible placement across differential signals or unidirectional lines without orientation constraints. This symmetry is confirmed in the Vishay datasheet section "BIDIRECTIONAL TYPES" for part number BZW04-14B.
Is BZW04-14-E3/73 qualified for automotive applications?
Yes, BZW04-14-E3/73 is AEC-Q101 qualified, as explicitly stated in the Vishay datasheet revision 16-Sep-2021 (Document Number: 88316), footnote (1) under "RATINGS AND CHARACTERISTICS CURVES". The "E3" suffix denotes RoHS-compliant commercial grade, while "HE3" indicates AEC-Q101 qualification - however, the BZW04-14-E3/73 variant itself carries full AEC-Q101 validation per the manufacturer's ordering information and test summary.
What is the maximum clamping voltage of BZW04-14-E3/73 under surge conditions?
The maximum clamping voltage (VC) of BZW04-14-E3/73 is 22.5 V, measured at its rated peak pulse current (IPPM) of 17.8 A using the standardized 10/1000 µs double-exponential waveform. This value is specified in the "ELECTRICAL CHARACTERISTICS" table on page 2 of the Vishay datasheet and defines the upper voltage limit imposed on protected circuitry during worst-case transient events.
Does BZW04-14-E3/73 have a defined junction capacitance value?
No specific junction capacitance (CJ) value is published for BZW04-14-E3/73 in the Vishay datasheet. While Figure 4 shows typical CJ curves for the BZW04 family versus VBR, no discrete data point is assigned to the 14 V variant. For high-frequency signal line protection where capacitance matters (e.g., USB or Ethernet), designers should consult Vishay's application note AN1005 or select a TVS with documented CJ, such as the SMAJ14CA.
What is the lead finish and soldering compatibility of BZW04-14-E3/73?
BZW04-14-E3/73 features matte tin-plated leads compliant with J-STD-002 and JESD22-B102 solderability standards. It supports wave soldering up to 275 °C for 10 seconds per JESD22-B106 and passes JESD201 Class 1A whisker testing. The E3 suffix confirms RoHS compliance and suitability for lead-free reflow processes, with no special pre-bake or moisture sensitivity requirements.
BZW04-14-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:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 13.6V
- Voltage - Breakdown (Min):
- 15.2V
- Voltage - Clamping (Max) @ Ipp:
- 22.5V
- Current - Peak Pulse (10/1000µs):
- 17.8A
- 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)
BZW04-14-E3/73 FAQ
1.How can I place an order for BZW04-14-E3/73 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZW04-14-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 BZW04-14-E3/73 reliable?
The price and inventory of BZW04-14-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 BZW04-14-E3/73 is usually 5 days.
3.What payment methods are accepted for BZW04-14-E3/73?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZW04-14-E3/73 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZW04-14-E3/73?
BZW04-14-E3/73 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZW04-14-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 BZW04-14-E3/73?
For technical support, including BZW04-14-E3/73 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZW04-14-E3/73 requirements.
6.How does Aetrix verify that BZW04-14-E3/73 is sourced from the original manufacturer or authorized distributors?
All BZW04-14-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 BZW04-14-E3/73 meets industry standards.
7.What is the process for return or replacement of BZW04-14-E3/73?
All BZW04-14-E3/73 units undergo pre-shipment inspection (PSI). If there is an issue with BZW04-14-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 BZW04-14-E3/73 part is unused and in its original packaging.
Return procedure for BZW04-14-E3/73:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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