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Vishay General Semiconductor - Diodes Division P6SMB120CAHE3_A/I
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- Part No.:
- P6SMB120CAHE3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB120CAHE3_A/I.pdf
- Description:
- TVS DIODE 102VWM 165VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,759
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Product details
Overview
P6SMB120CAHE3_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 120 V standoff voltage (VWM), 137 V maximum clamping voltage (VC) at 3.6 A peak pulse current (IPPM), and 600 W peak pulse power capability with a 10/1000 μs waveform - used to protect MOSFETs, ICs, and sensor interfaces in industrial and automotive electronics.
For engineers reviewing the P6SMB120CAHE3_A/I datasheet, P6SMB120CAHE3_A/I pinout, P6SMB120CAHE3_A/I application, or P6SMB120CAHE3_A/I equivalent, key selection criteria include bidirectional clamping symmetry, AEC-Q101 qualification status, SMB (DO-214AA) package thermal resistance (RθJA = 100 °C/W), and compliance with J-STD-020 MSL level 1 reflow profile.
Technical Context
This device operates as a voltage-clamped surge protector with symmetrical breakdown behavior in both polarities due to its bidirectional construction. Its glass-passivated junction ensures stable avalanche characteristics, low incremental surge resistance, and fast response time (<1 ns) to transient events such as ESD, inductive switching spikes, and lightning-induced surges.
The P6SMB120CAHE3_A/I is rated for repetitive 0.01% duty cycle pulses and derates linearly above 25 °C ambient per Fig. 2. It meets UL 94 V-0 flammability requirements, has matte tin-plated leads compliant with J-STD-002 and JESD 22-B102, and is qualified to AEC-Q101 for automotive applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 102 V - Maximum continuous reverse voltage before clamping begins; defines safe operating margin below breakdown. |
| VBR (Breakdown Voltage) | 114–126 V at 1 mA - Confirmed avalanche onset range; ensures predictable clamping initiation under transient stress. |
| VC (Clamping Voltage) | 165 V at IPPM = 3.6 A - Peak voltage seen by protected circuit during worst-case 10/1000 μs surge; critical for downstream component survivability. |
| PPPM (Peak Pulse Power) | 600 W - Sustained energy absorption capacity for standardized 10/1000 μs waveform; enables robust protection in harsh environments. |
| TJ max. | 150 °C - Maximum junction temperature rating; supports operation in under-hood automotive or high-ambient industrial settings. |
| Package | SMB (DO-214AA) - Low-profile surface-mount outline with 5.0 mm × 5.0 mm copper pad thermal design; optimized for automated placement and reflow. |
| AEC-Q101 Qualified | Yes - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per AEC standard. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bidirectional configuration with no polarity marking - terminals are symmetrical and interchangeable.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Transient conduction path | Both terminals function identically in bidirectional mode; conducts surge current in either direction once VC threshold is exceeded. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines without polarity concerns - eliminates need for dual unidirectional devices. |
| 600 W peak pulse power | Supports high-energy transients common in 12 V/24 V automotive power nets and industrial motor drive feedback paths. |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and standard reflow without baking - reduces manufacturing overhead and handling risk. |
| Glass passivated junction | Ensures long-term stability of breakdown voltage and leakage current over temperature and lifetime - critical for safety-critical systems. |
| AEC-Q101 qualification | Validates suitability for automotive powertrain, body control, and ADAS modules where field failure is unacceptable. |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Input Protection |
|---|---|
Use Scenario: Protecting LIN bus interface pins against load dump and battery reversal transients in door module ECUs. IC Role / Device Role / Timing Role: Bidirectional TVS clamping element placed directly at connector entry point before signal conditioning circuitry. Use Value: Limits induced surge voltage to ≤165 V, preventing latch-up or gate oxide damage in LIN transceivers rated for 130 V absolute maximum. |
Use Scenario: Safeguarding 24 V DC digital input channels in programmable logic controllers exposed to relay coil flyback and field wiring ESD. IC Role / Device Role / Timing Role: Primary front-end transient suppressor mounted adjacent to terminal block, shunting >95% of 600 W surge energy away from optocoupler input stage. Use Value: Maintains input logic integrity during 1 kV/500 A surge events per IEC 61000-4-5, eliminating false triggering and system resets. |
| Automotive Camera Sensor Interface | Telecom Base Station Power Monitoring |
Use Scenario: Shielding MIPI CSI-2 differential pairs in rear-view camera modules from ESD and cable discharge events. IC Role / Device Role / Timing Role: Low-capacitance bidirectional TVS placed inline with data lanes to clamp ±15 kV contact ESD without distorting high-speed signals. Use Value: Delivers sub-1 ns response with <1 pF junction capacitance (typical), preserving signal integrity up to 1.5 Gbps while meeting ISO 10605 requirements. |
Use Scenario: Protecting voltage sense inputs on -48 V telecom rectifier monitoring circuits from lightning-induced surges on remote site power feeds. IC Role / Device Role / Timing Role: Standoff-rated TVS on analog sensing path to prevent ADC saturation and false fault reporting during grid-level transients. Use Value: Clamps 10/1000 μs surges to 165 V while maintaining <1 μA leakage at 102 V, ensuring measurement accuracy remains within ±0.1% full-scale error. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ120CA | Same 120 V VWM and bidirectional configuration but lower PPPM (400 W); SMB package identical. | Limited to lower-energy transients; not recommended for automotive load dump or industrial motor drive environments. | Select only when surge energy is confirmed ≤400 W and cost optimization outweighs headroom requirement. |
| 1.5KE120CA | Higher PPPM (1500 W), axial-leaded DO-201 package; larger footprint and manual assembly required. | Suitable for prototyping or legacy through-hole designs; incompatible with automated SMT lines using SMB reels. | Choose only if board layout cannot accommodate SMB footprint or if >600 W surge margin is mandatory. |
Compared with SMAJ120CA and 1.5KE120CA, the P6SMB120CAHE3_A/I delivers optimal balance of 600 W surge capacity, AEC-Q101 qualification, and SMB-compatible SMT manufacturability - making it the preferred choice for volume automotive and industrial PCB designs requiring validated reliability and process compatibility.
Availability
P6SMB120CAHE3_A/I is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC input protection, telecom power monitoring, and camera sensor interface applications requiring stable component supply across multi-year production cycles.
Supply support for P6SMB120CAHE3_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, rectifiers, TVS devices, and power MOSFETs with emphasis on reliability, efficiency, and application-specific performance.
The P6SMB Series is engineered for high-reliability transient suppression in automotive, industrial, and telecom infrastructure - delivering consistent clamping behavior, AEC-Q101 validation, and robust surge handling in compact SMB packages.
FAQ
What is the clamping voltage of the P6SMB120CAHE3_A/I under a 10/1000 μs surge?
The P6SMB120CAHE3_A/I has a maximum clamping voltage (VC) of 165 V at a peak pulse current (IPPM) of 3.6 A with a 10/1000 μs waveform. This value is measured per standard test conditions and defines the upper voltage limit imposed on protected circuitry during transient events - critical for ensuring downstream components remain within their absolute maximum ratings.
Is the P6SMB120CAHE3_A/I suitable for automotive applications?
Yes, the P6SMB120CAHE3_A/I is AEC-Q101 qualified and carries the "HE3" suffix indicating RoHS-compliant and automotive-grade qualification. It is specifically intended for use in automotive body control modules, camera systems, and power distribution units where reliability under temperature cycling, humidity, and surge stress is mandated.
Does the P6SMB120CAHE3_A/I have polarity markings?
No, the P6SMB120CAHE3_A/I is a bidirectional TVS diode and carries no cathode band or polarity marking. Its symmetrical construction allows installation in either orientation - simplifying PCB layout and eliminating risk of reverse placement during automated assembly.
What is the thermal resistance of the P6SMB120CAHE3_A/I?
The P6SMB120CAHE3_A/I has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on the minimum recommended 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. This value assumes standard FR-4 PCB construction and guides thermal design for sustained power dissipation up to 5.0 W at 50 °C ambient.
How does the P6SMB120CAHE3_A/I differ from unidirectional variants like P6SMB120AHE3_A/I?
The P6SMB120CAHE3_A/I is bidirectional (denoted by "CA"), providing symmetrical clamping for AC or floating signals, whereas P6SMB120AHE3_A/I is unidirectional ("A") with a cathode band and forward conduction path. The "C" suffix indicates identical VWM/VBR/VC specs but reversed polarity tolerance - essential for protecting differential buses or transformer-coupled interfaces where voltage polarity reverses.
P6SMB120CAHE3_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):
- 102V
- Voltage - Breakdown (Min):
- 114V
- Voltage - Clamping (Max) @ Ipp:
- 165V
- Current - Peak Pulse (10/1000µs):
- 3.6A
- 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)
P6SMB120CAHE3_A/I FAQ
1.How can I place an order for P6SMB120CAHE3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB120CAHE3_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 P6SMB120CAHE3_A/I reliable?
The price and inventory of P6SMB120CAHE3_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 P6SMB120CAHE3_A/I is usually 5 days.
3.What payment methods are accepted for P6SMB120CAHE3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB120CAHE3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB120CAHE3_A/I?
P6SMB120CAHE3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB120CAHE3_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 P6SMB120CAHE3_A/I?
For technical support, including P6SMB120CAHE3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB120CAHE3_A/I requirements.
6.How does Aetrix verify that P6SMB120CAHE3_A/I is sourced from the original manufacturer or authorized distributors?
All P6SMB120CAHE3_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 P6SMB120CAHE3_A/I meets industry standards.
7.What is the process for return or replacement of P6SMB120CAHE3_A/I?
All P6SMB120CAHE3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB120CAHE3_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 P6SMB120CAHE3_A/I part is unused and in its original packaging.
Return procedure for P6SMB120CAHE3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB120CAHE3_A/I Tags
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