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Vishay General Semiconductor - Diodes Division P6SMB180CAHE3_A/I
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- Part No.:
- P6SMB180CAHE3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB180CAHE3_A/I.pdf
- Description:
- TVS DIODE 154VWM 246VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:8,333
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Product details
Overview
P6SMB180CAHE3_A/I from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the P6SMB series, designed for clamping voltage transients on signal or power lines. It features a 154 V standoff voltage (VWM), 171–189 V breakdown voltage (VBR) at 1 mA test current, and clamps to ≤246 V at 2.4 A peak pulse current under 10/1000 μs waveform - used in automotive sensor protection and industrial I/O interface surge suppression.
For engineers reviewing the P6SMB180CAHE3_A/I datasheet, P6SMB180CAHE3_A/I pinout, P6SMB180CAHE3_A/I application, or P6SMB180CAHE3_A/I equivalent, this device delivers AEC-Q101-qualified transient immunity in SMB (DO-214AA) package with bidirectional symmetry, low clamping ratio, and MSL Level 1 reflow compatibility up to 260 °C.
Technical Context
This bidirectional TVS operates symmetrically across both polarities, enabling protection of AC-coupled or differential signal paths without polarity constraints. Its glass-passivated junction ensures stable leakage (<1.0 μA at VWM) and fast response (<1.0 ns), while the 600 W peak pulse power rating supports repetitive 0.01% duty cycle surges per IEC 61000-4-5.
The device is rated for -65 °C to +150 °C operating junction temperature and exhibits a typical thermal resistance of 100 °C/W (junction-to-ambient) on standard 0.2" × 0.2" copper pads. Its 0.106 g unit weight and matte tin-plated leads comply with J-STD-002 solderability and JESD22-B102 whisker testing Class 2.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 154 V - maximum continuous reverse voltage before clamping begins; defines safe operating margin below breakdown |
| VBR (Breakdown Voltage) | 171–189 V at 1 mA - sharp avalanche onset threshold ensuring predictable clamping initiation |
| VC (Clamping Voltage) | ≤246 V at IPPM = 2.4 A (10/1000 μs) - limits downstream voltage stress during surge events |
| PPPM (Peak Pulse Power) | 600 W - sustains high-energy transients such as lightning-induced surges or inductive switch-off spikes |
| ID (Reverse Leakage) | ≤1.0 μA at VWM - minimizes standby power loss and avoids false triggering in high-impedance circuits |
| TJ max. | +150 °C - enables operation in under-hood automotive or industrial environments with elevated ambient temperatures |
| Package | SMB (DO-214AA) - surface-mount footprint compatible with automated assembly; 0.220" × 0.130" body size |
Pinout & Package
Package: SMB (DO-214AA), molded plastic case meeting UL 94 V-0 flammability rating; matte tin-plated leads; no polarity marking for bidirectional configuration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Bidirectional terminal pair | No functional distinction - either terminal serves as anode or cathode depending on transient polarity; enables AC line protection without orientation constraints |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive applications including engine control modules and ADAS sensor interfaces |
| 600 W peak pulse power (10/1000 μs) | Withstands IEC 61000-4-5 Level 4 surge events without degradation |
| Low clamping ratio (VC/VBR ≈ 1.39) | Minimizes overvoltage exposure to protected ICs such as CAN transceivers or ADC front-ends |
| MSL Level 1 (260 °C peak) | Compatible with standard lead-free reflow profiles without preconditioning |
| Glass passivated junction | Ensures long-term stability of VBR and leakage performance across temperature and life cycles |
Applications
| Automotive Sensor Protection | Industrial I/O Interface |
|---|---|
Use Scenario: Protecting LIN bus or analog sensor outputs (e.g., pressure, temperature) from load dump and ESD in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional clamping element placed between signal line and ground, absorbing transients before they reach MCU input pins. Use Value: Prevents latch-up or permanent damage to 3.3 V/5 V sensor interface ICs during 100 V/100 ms load dump events. |
Use Scenario: Shielding RS-485 or 4–20 mA transmitter outputs from field wiring surges in factory automation PLCs. IC Role / Device Role / Timing Role: Primary overvoltage clamp on differential bus lines, working in concert with common-mode chokes. Use Value: Maintains signal integrity by limiting differential-mode transients to <246 V, within receiver IC absolute maximum ratings. |
| Telecom Line Interface | Consumer Power Adapter Input |
Use Scenario: Safeguarding Ethernet PHY magnetics or DSL line drivers against induced lightning surges on outdoor cabling. IC Role / Device Role / Timing Role: First-stage transient suppressor on line side of isolation transformer, shunting energy to earth ground. Use Value: Enables compliance with ITU-T K.21 basic protection level using single-device solution due to symmetrical bidirectional clamping. |
Use Scenario: Secondary-side transient suppression on DC output rails of wall adapters powering IoT hubs or smart speakers. IC Role / Device Role / Timing Role: Low-leakage (≤1 μA) clamp across 12 V or 19 V output, activated only during abnormal overvoltage conditions. Use Value: Avoids unnecessary power loss in standby mode while providing fail-safe protection against regulator fault conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ180CA | Same VWM (154 V), identical SMB package, but rated for 600 W with 8.3 ms half-sine surge capability (IFSM = 100 A); slightly higher VC (247 V) | Preferred where high-repetition inductive switching (e.g., relay coils) dominates threat model | Select SMBJ180CA when forward surge robustness is prioritized over minimal clamping voltage |
| 1.5KE180CA | Through-hole DO-201 package; same VWM/VBR range but larger footprint and lower thermal resistance (RθJA = 65 °C/W); 1500 W PPPM rating | Suitable for prototyping or legacy PCBs lacking SMT infrastructure; not AEC-Q101 qualified | Choose 1.5KE180CA only for non-automotive, space-tolerant designs requiring higher single-pulse energy handling |
Compared with P6SMB180CAHE3_A/I, SMBJ180CA offers superior forward surge tolerance but marginally higher clamping voltage, while 1.5KE180CA trades miniaturization and automotive qualification for higher pulse energy capacity and through-hole assembly flexibility.
Availability
P6SMB180CAHE3_A/I is available at Aetrix Electronics and suitable for automotive sensor systems, industrial I/O modules, telecom line interfaces, and consumer power adapter designs requiring stable component supply with AEC-Q101 assurance and RoHS compliance.
Supply support for P6SMB180CAHE3_A/I 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 P6SMB Series targets cost-sensitive, high-volume transient protection needs in automotive, industrial, and communications equipment - delivering standardized TVS performance in compact SMB packaging with AEC-Q101 variants for mission-critical use.
FAQ
What does the "CA" suffix indicate in P6SMB180CAHE3_A/I?
The "CA" suffix denotes a bidirectional configuration - meaning P6SMB180CAHE3_A/I provides symmetrical transient suppression for both positive and negative voltage excursions. Unlike unidirectional variants (e.g., P6SMB180A), it has no cathode band marking and functions identically regardless of polarity applied across its terminals, making it ideal for AC signal lines or differential buses.
Is P6SMB180CAHE3_A/I qualified for automotive applications?
Yes, P6SMB180CAHE3_A/I is AEC-Q101 qualified, as confirmed by its "HE3" suffix and documentation in Vishay's P6SMB datasheet (Rev. 09-Jan-2024). This qualification covers stress tests including temperature cycling, humidity bias, and mechanical shock - validating its suitability for under-hood and cabin-mounted automotive electronics such as body control modules and sensor signal conditioning circuits.
What is the clamping voltage of P6SMB180CAHE3_A/I at its rated peak pulse current?
P6SMB180CAHE3_A/I clamps to a maximum of 246 V when subjected to its specified peak pulse current of 2.4 A under the standard 10/1000 μs waveform. This value is measured per Figure 1 in the Vishay datasheet and represents the upper limit of voltage seen by downstream circuitry during surge events, directly informing system-level overvoltage margin calculations.
How does the SMB (DO-214AA) package of P6SMB180CAHE3_A/I compare to SMA or SMC packages?
The SMB (DO-214AA) package of P6SMB180CAHE3_A/I measures 0.220" × 0.130" - smaller than SMC (DO-214AB) but larger than SMA (DO-214AC). It offers a balance of power handling (600 W) and board space efficiency, with thermal resistance optimized for 0.2" × 0.2" copper pads. Unlike SMA, SMB supports higher surge ratings; unlike SMC, it enables denser layout in space-constrained automotive modules.
Can P6SMB180CAHE3_A/I be used in place of a unidirectional TVS like P6SMB180A?
No - P6SMB180CAHE3_A/I is bidirectional and lacks polarity marking, whereas P6SMB180A is unidirectional with a cathode band. Substituting them requires verifying circuit topology: P6SMB180CAHE3_A/I suits AC-coupled or floating lines (e.g., RS-485), while P6SMB180A is mandatory for DC-biased rails where forward conduction must be blocked. Incorrect substitution may cause unintended conduction or failed protection.
P6SMB180CAHE3_A/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 154V
- Voltage - Breakdown (Min):
- 171V
- Voltage - Clamping (Max) @ Ipp:
- 246V
- Current - Peak Pulse (10/1000µs):
- 2.4A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBJ)
P6SMB180CAHE3_A/I FAQ
1.How can I place an order for P6SMB180CAHE3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB180CAHE3_A/I 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 P6SMB180CAHE3_A/I reliable?
The price and inventory of P6SMB180CAHE3_A/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB180CAHE3_A/I is usually 5 days.
3.What payment methods are accepted for P6SMB180CAHE3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB180CAHE3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB180CAHE3_A/I?
P6SMB180CAHE3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB180CAHE3_A/I 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 P6SMB180CAHE3_A/I?
For technical support, including P6SMB180CAHE3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB180CAHE3_A/I requirements.
6.How does Aetrix verify that P6SMB180CAHE3_A/I is sourced from the original manufacturer or authorized distributors?
All P6SMB180CAHE3_A/I 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 P6SMB180CAHE3_A/I meets industry standards.
7.What is the process for return or replacement of P6SMB180CAHE3_A/I?
All P6SMB180CAHE3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB180CAHE3_A/I, 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 P6SMB180CAHE3_A/I part is unused and in its original packaging.
Return procedure for P6SMB180CAHE3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB180CAHE3_A/I Tags
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