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Vishay General Semiconductor - Diodes Division P6SMB110CAHE3_A/H
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- Part No.:
- P6SMB110CAHE3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB110CAHE3_A/H.pdf
- Description:
- TVS DIODE 94VWM 152VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:8,038
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Product details
Overview
P6SMB110CAHE3_A/H from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, rated for 110 V standoff voltage (VWM), 152 V clamping voltage (VC) at 3.9 A peak pulse current (IPPM), and 600 W peak pulse power (10/1000 μs waveform). It protects sensitive ICs and MOSFETs against inductive switching transients and lightning surges in automotive and industrial power rails.
For engineers reviewing the P6SMB110CAHE3_A/H datasheet, P6SMB110CAHE3_A/H pinout, P6SMB110CAHE3_A/H application, or P6SMB110CAHE3_A/H equivalent, key selection criteria include bidirectional clamping symmetry, AEC-Q101 qualification, 150 °C maximum junction temperature, low incremental surge resistance, and compatibility with automated SMT placement on standard PCB copper pads.
Technical Context
This device operates as a voltage-clamped shunt protector: during transient overvoltage events exceeding its breakdown threshold (VBR = 105–116 V), it rapidly switches to low-impedance conduction, diverting surge current away from downstream circuitry while maintaining clamped voltage ≤152 V. Its bidirectional structure enables symmetric protection on AC lines or floating signal paths without polarity constraints.
Designed for high-reliability environments, P6SMB110CAHE3_A/H features glass-passivated junctions, meets MSL Level 1 per J-STD-020, supports 260 °C lead-free reflow, and is qualified to AEC-Q101 for automotive under-hood applications. Thermal resistance is RθJA = 100 °C/W (typ.) on 0.2" × 0.2" copper pads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 94.0 V - Maximum continuous reverse voltage before significant leakage; defines operating margin below clamping threshold |
| VBR (Breakdown) | 105–116 V at 1.0 mA test current - Confirmed voltage range where avalanche conduction initiates reliably |
| VC (Clamping) | 152 V at 3.9 A IPPM - Peak voltage seen by protected circuit during 600 W transient; critical for IC survivability |
| PPPM | 600 W (10/1000 μs waveform) - Surge energy handling capacity; determines protection level against common lightning/inductive spikes |
| IPPM | 3.9 A - Peak surge current diverted during clamping; used with VC to compute effective clamping impedance (~39 Ω) |
| TJ max. | +150 °C - Maximum junction temperature; enables operation in under-hood automotive or high-ambient industrial environments |
| Package | SMB (DO-214AA) - Standardized 2-pin surface-mount outline with 0.220" × 0.130" footprint; compatible with JEDEC-compliant pick-and-place |
Pinout & Package
SMB (DO-214AA) package: molded plastic case with matte tin-plated leads, UL 94 V-0 flammability rating, and no polarity marking for bidirectional configuration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current sink (bidirectional) | One terminal of symmetrical PN junction; conducts surge current in either direction when voltage exceeds VBR |
| Cathode | Transient current sink (bidirectional) | Second terminal of symmetrical PN junction; functionally identical to Anode in CA-series devices; no polarity marking required |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive under-hood use including temperature cycling, humidity bias, and mechanical shock per stress test requirements |
| 600 W peak pulse power | Handles IEC 61000-4-5 Level 4 (4 kV) surge events on 50 Ω source impedance without degradation |
| Low clamping ratio (VC/VBR ≈ 1.37) | Minimizes overvoltage stress on protected components compared to higher-ratio TVS devices |
| MSL Level 1 moisture sensitivity | Zero bake requirement prior to reflow; supports direct placement after dry pack opening |
| Glass passivated junction | Enhances long-term reliability and stability of breakdown voltage under thermal and humidity stress |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Protecting 12 V/24 V battery-fed ECUs and body control modules from load dump and alternator transients. IC Role / Device Role / Timing Role: Shunt clamping element placed across power input pins to clamp surges above 94 V before they reach LDOs or microcontrollers. Use Value: Enables compliance with ISO 7637-2 Pulse 5a (load dump) and ensures >150 °C junction survival during repeated 600 W transients. |
Use Scenario: Safeguarding analog sensor outputs (e.g., pressure, temperature) connected to ADC inputs in factory automation PLCs. IC Role / Device Role / Timing Role: Bidirectional voltage limiter on differential or single-ended signal traces exposed to ESD and cable discharge events. Use Value: Maintains signal integrity with <152 V clamping during 8 kV contact ESD (IEC 61000-4-2) and prevents latch-up in precision front-end amplifiers. |
| Telecom DC Power Interface | Consumer Appliance Motor Drive Protection |
Use Scenario: Guarding PoE-powered equipment (e.g., IP cameras) against induced surges on 48 V DC input lines from nearby lightning strikes. IC Role / Device Role / Timing Role: Primary overvoltage clamp on DC input stage upstream of DC/DC converters and Ethernet PHYs. Use Value: Limits transient voltage to ≤152 V during 10/1000 μs surges up to 600 W, preserving isolation barriers and preventing converter shutdown. |
Use Scenario: Suppressing commutation spikes generated by brushed DC motors in washing machines and HVAC blowers. IC Role / Device Role / Timing Role: Snubber-connected TVS across motor terminals to absorb inductive kickback energy during MOSFET turn-off. Use Value: Reduces radiated emissions and prevents gate oxide damage to half-bridge drivers by clamping spikes within 1 ns response time. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ110CA | Same VWM (94 V), lower PPPM (400 W), SMA package (smaller footprint, higher RθJA) | Limited to lower-energy transients; unsuitable for ISO 7637-2 Pulse 5a validation | Select when board space is constrained and surge threat level is ≤400 W (e.g., secondary signal lines) |
| 1.5KE110CA | Same VWM and PPPM, but through-hole DO-201 package; higher thermal mass but incompatible with SMT assembly | Requires manual or wave soldering; not viable for high-volume automated production | Choose only for legacy through-hole designs or prototyping where reflow compatibility is not required |
Compared with SMAJ110CA and 1.5KE110CA, P6SMB110CAHE3_A/H delivers identical clamping performance in an AEC-Q101-qualified, SMT-ready SMB package-enabling automotive-grade reliability without sacrificing automated manufacturability or thermal derating margin.
Availability
P6SMB110CAHE3_A/H is available at Aetrix Electronics and suitable for automotive ECU protection, industrial sensor interface hardening, telecom DC power conditioning, and consumer appliance motor drive circuits requiring stable component supply and full traceability.
Supply support for P6SMB110CAHE3_A/H 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 automotive qualification.
The P6SMB series targets high-energy transient suppression in space-constrained, high-reliability applications-designed specifically for AEC-Q101 compliance, automated SMT assembly, and robust clamping performance across automotive, industrial, and telecom power domains.
FAQ
What does the "CA" suffix indicate in P6SMB110CAHE3_A/H?
The "CA" suffix denotes a bidirectional configuration: P6SMB110CAHE3_A/H contains two opposing avalanche diodes in a single SMB package, enabling symmetrical clamping for AC signals or floating DC buses. Unlike unidirectional "A" variants, it has no cathode band marking and conducts surge current equally in both directions above its breakdown voltage range of 105–116 V.
Is P6SMB110CAHE3_A/H suitable for automotive applications?
Yes, P6SMB110CAHE3_A/H is AEC-Q101 qualified (as indicated by the "HE3" suffix and "_A/H" ordering code), making it suitable for automotive under-hood and chassis applications. It meets stress test requirements for temperature cycling, humidity bias, and mechanical shock, and supports operation up to +150 °C junction temperature-critical for engine control units and battery management systems.
What is the clamping voltage of P6SMB110CAHE3_A/H at its rated peak pulse current?
P6SMB110CAHE3_A/H clamps to a maximum of 152 V at its rated peak pulse current of 3.9 A (IPPM) under the standard 10/1000 μs waveform. This value is measured per Figure 1 in Vishay document 88370 and defines the upper voltage limit imposed on protected circuitry during worst-case surge events.
How does the SMB (DO-214AA) package of P6SMB110CAHE3_A/H compare to SMA in thermal performance?
P6SMB110CAHE3_A/H in SMB package has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W on 0.2" × 0.2" copper pads-lower than SMA's ~125 °C/W-due to larger pad area and improved heat spreading. This allows higher sustained power dissipation and better derating above 25 °C ambient, supporting more robust surge handling in compact layouts.
Can P6SMB110CAHE3_A/H replace P6SMB110AHE3_A/H in a design?
No-P6SMB110CAHE3_A/H is bidirectional while P6SMB110AHE3_A/H is unidirectional. Substituting them requires verifying circuit polarity: the unidirectional version has a cathode band and conducts only in reverse bias, whereas the CA variant clamps symmetrically. Using P6SMB110CAHE3_A/H in place of the "A" version may cause unintended conduction on positive transients in DC-only rails.
P6SMB110CAHE3_A/H 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):
- 94V
- Voltage - Breakdown (Min):
- 105V
- Voltage - Clamping (Max) @ Ipp:
- 152V
- Current - Peak Pulse (10/1000µs):
- 3.9A
- 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)
P6SMB110CAHE3_A/H FAQ
1.How can I place an order for P6SMB110CAHE3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB110CAHE3_A/H 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 P6SMB110CAHE3_A/H reliable?
The price and inventory of P6SMB110CAHE3_A/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB110CAHE3_A/H is usually 5 days.
3.What payment methods are accepted for P6SMB110CAHE3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB110CAHE3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB110CAHE3_A/H?
P6SMB110CAHE3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB110CAHE3_A/H 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 P6SMB110CAHE3_A/H?
For technical support, including P6SMB110CAHE3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB110CAHE3_A/H requirements.
6.How does Aetrix verify that P6SMB110CAHE3_A/H is sourced from the original manufacturer or authorized distributors?
All P6SMB110CAHE3_A/H 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 P6SMB110CAHE3_A/H meets industry standards.
7.What is the process for return or replacement of P6SMB110CAHE3_A/H?
All P6SMB110CAHE3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB110CAHE3_A/H, 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 P6SMB110CAHE3_A/H part is unused and in its original packaging.
Return procedure for P6SMB110CAHE3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB110CAHE3_A/H Tags
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