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Vishay General Semiconductor - Diodes Division P4SMA110CAHM3_A/I
- Part No.:
- P4SMA110CAHM3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
P4SMA110CAHM3_A/I.pdf
- Description:
- TVS DIODE 94VWM 152VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:7,003
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Product details
Overview
P4SMA110CAHM3_A/I from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the P4SMA series, designed for clamping voltage transients on signal or power lines. It features a 110 V breakdown voltage (VBR min/max: 105–116 V), 152 V maximum clamping voltage (VC) at 2.0 A peak pulse current (IPPM), and 400 W peak pulse power rating with 10/1000 µs waveform - suitable for protecting automotive sensor interfaces and industrial I/O lines against ESD and inductive switching surges.
For engineers reviewing the P4SMA110CAHM3_A/I datasheet, P4SMA110CAHM3_A/I pinout, P4SMA110CAHM3_A/I application, or P4SMA110CAHM3_A/I equivalent, key selection criteria include its bidirectional polarity, SMA (DO-214AC) package compatibility, AEC-Q101 qualification for automotive use, and verified clamping performance under repetitive 0.01% duty cycle surge conditions.
Technical Context
This device operates as a voltage-clamping protector with symmetrical avalanche behavior in both directions, enabling robust transient suppression without polarity sensitivity. Its glass-passivated junction ensures stable breakdown characteristics and low leakage (<1.0 µA at VWM = 94.0 V), while the low incremental surge resistance supports fast energy dissipation during 10/1000 µs transients.
Rated for continuous operation up to +150 °C junction temperature and compliant with J-STD-020 MSL Level 1 (peak reflow 260 °C), the P4SMA110CAHM3_A/I is optimized for automated SMT assembly and high-reliability automotive applications where halogen-free, RoHS-compliant construction (HM3 suffix) and AEC-Q101 qualification are mandatory.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Breakdown Voltage (VBR) | 105–116 V at 1.0 mA test current - defines precise avalanche initiation threshold for bidirectional clamping |
| Stand-off Voltage (VWM) | 94.0 V - maximum continuous reverse working voltage before significant leakage begins |
| Clamping Voltage (VC) | 152 V at 2.0 A IPPM - peak voltage seen by protected circuit during 10/1000 µs surge |
| Peak Pulse Power (PPPM) | 400 W (≤91 V); 300 W (>91 V) - determines survivable surge energy level per pulse |
| Package | SMA (DO-214AC) - industry-standard 2-pin SMD outline with 5.0 mm × 5.0 mm copper pad thermal requirement |
| AEC-Q101 Qualified | Yes - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing |
| RoHS & Halogen-Free | Compliant (HM3 suffix) - meets automotive environmental requirements and soldering standards (J-STD-002) |
Pinout & Package
Package: SMA (DO-214AC), surface-mount, bidirectional - no polarity marking; symmetrical terminal configuration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Transient conduction path | Both terminals function identically; conducts avalanche current in either direction when V > VBR |
| Case (exposed metal slug) | Thermal conduction path | Not electrically connected; requires 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal for rated power dissipation |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines without polarity concerns |
| 400 W peak pulse power (≤91 V) | Supports IEC 61000-4-5 Level 4 surge immunity (4 kV line-to-ground) in properly designed layouts |
| Low clamping ratio (VC/VBR ≈ 1.45) | Minimizes overvoltage stress on downstream ICs compared to higher-ratio suppressors |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and standard reflow without baking - reduces manufacturing overhead |
| AEC-Q101 qualified (HM3) | Validated for automotive powertrain, body electronics, and ADAS sensor modules requiring long-term field reliability |
Applications
| Automotive Sensor Interface Protection | Industrial PLC Analog Input Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor outputs (e.g., pressure, temperature) from load dump and ESD events in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional voltage clamp placed across differential or single-ended signal lines upstream of interface ICs. Use Value: Limits transient voltage to ≤152 V during 10/1000 µs surges, preventing latch-up or gate oxide damage in 3.3 V/5 V automotive microcontrollers. |
Use Scenario: Safeguarding 4–20 mA current loop inputs and ±10 V analog inputs in programmable logic controllers against field wiring transients. IC Role / Device Role / Timing Role: Primary front-end TVS element mounted directly at connector entry point to shunt surge energy before conditioning circuitry. Use Value: Withstands repetitive 300 W surges at 0.01% duty cycle, ensuring longevity in factory-floor environments with frequent motor switching noise. |
| Telecom Line Card Surge Protection | Consumer Appliance Motor Control Board |
Use Scenario: Secondary-level protection on Ethernet PHY lines or DSL interface circuits exposed to lightning-induced surges. IC Role / Device Role / Timing Role: Coordinated clamping device used alongside GDTs or polymer PTCs in multi-stage telecom surge protection networks. Use Value: Fast response time (<1 ns) and low VC ensure sensitive PHY ICs remain within absolute maximum ratings during hybrid surge events. |
Use Scenario: Suppressing inductive kickback from brushed DC motors and solenoids in washing machines, HVAC actuators, and power tools. IC Role / Device Role / Timing Role: Parallel-connected TVS across motor terminals or relay coils to clamp flyback voltage spikes. Use Value: 400 W rating handles typical 20–50 mJ motor turn-off energy; halogen-free HM3 construction meets global appliance safety certifications. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ110CA | Higher 600 W PPPM, larger SMB (DO-214AA) package, same VBR/VC range | Better suited for higher-energy surges; requires larger PCB footprint and different pad layout | Select when system-level surge testing exceeds IEC 61000-4-5 Level 4 or when thermal margin is constrained |
| 1.5KE110CA | Through-hole TO-218 package, 1500 W PPPM, identical electrical specs but not AEC-Q101 qualified | Used in legacy industrial power supplies and non-automotive equipment where board space and reflow compatibility are secondary | Choose only for cost-sensitive, non-automotive designs where SMT assembly is not required |
Compared with SMBJ110CA and 1.5KE110CA, the P4SMA110CAHM3_A/I delivers AEC-Q101 qualification, halogen-free compliance, and optimal footprint efficiency for modern automotive and industrial SMT production - without sacrificing clamping precision or surge endurance.
Availability
P4SMA110CAHM3_A/I is available at Aetrix Electronics and suitable for automotive sensor modules, industrial PLC analog inputs, and telecom line card protection requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for P4SMA110CAHM3_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, MOSFETs, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The P4SMA series was developed to deliver high-power, low-profile TVS protection for automotive and industrial electronics where AEC-Q101 qualification, halogen-free materials, and consistent clamping performance are critical design requirements.
FAQ
What is the maximum clamping voltage of the P4SMA110CAHM3_A/I under standard test conditions?
The P4SMA110CAHM3_A/I has a maximum clamping voltage (VC) of 152 V when subjected to a 10/1000 µs waveform at 2.0 A peak pulse current (IPPM). This value is measured per JEDEC standards and reflects the highest voltage the protected circuit will experience during a defined transient event. The clamping performance is guaranteed across the full operating temperature range and is integral to the device's role in safeguarding sensitive downstream components in automotive and industrial applications. P4SMA110CAHM3_A/I maintains this specification under repetitive surge conditions with ≤0.01% duty cycle.
Is the P4SMA110CAHM3_A/I suitable for automotive applications?
Yes, the P4SMA110CAHM3_A/I is AEC-Q101 qualified and carries the HM3 suffix, indicating halogen-free, RoHS-compliant construction validated for automotive use. It undergoes rigorous stress testing including temperature cycling, highly accelerated life testing (HALT), and ESD verification per AEC standards. The device is commonly deployed in automotive sensor interfaces, body control modules, and infotainment systems where reliable transient suppression is required. P4SMA110CAHM3_A/I meets the thermal, mechanical, and electrical reliability thresholds mandated for under-hood and cabin-mounted electronics.
What does the "CA" suffix indicate in P4SMA110CAHM3_A/I?
The "CA" suffix in P4SMA110CAHM3_A/I denotes a bidirectional configuration - meaning the device provides symmetrical transient voltage suppression in both polarities, with identical breakdown and clamping characteristics regardless of voltage polarity applied. This eliminates the need for polarity-aware placement during SMT assembly and makes it ideal for protecting AC-coupled signals, differential buses (e.g., CAN, RS-485), or floating sensor outputs. Unlike unidirectional variants (e.g., P4SMA110A), the P4SMA110CAHM3_A/I has no cathode band marking and functions identically across both terminals.
What is the thermal resistance and power derating behavior of the P4SMA110CAHM3_A/I?
The P4SMA110CAHM3_A/I has a typical junction-to-ambient thermal resistance (RθJA) of 120 °C/W when mounted on the recommended 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. Its power dissipation derates linearly above 25 °C ambient, reaching zero-rated power at +150 °C junction temperature. Continuous power dissipation is limited to 3.3 W at TA = 50 °C. These thermal characteristics are critical for maintaining clamping integrity during repetitive surge events and must be accounted for in PCB layout and system-level thermal modeling. P4SMA110CAHM3_A/I data is validated per Fig. 2 in Vishay document 88367.
How does the P4SMA110CAHM3_A/I compare to older P4SMA110A variants?
The P4SMA110CAHM3_A/I differs from the unidirectional P4SMA110A in three key ways: it is bidirectional (CA), AEC-Q101 qualified (HM3), and halogen-free. Electrically, both share identical VBR (105–116 V), VWM (94.0 V), and VC (152 V) specifications, but the HM3 variant adds automotive reliability validation and environmental compliance. The CA version also removes polarity dependency, simplifying layout and reducing BOM count in dual-rail or AC-signal protection schemes. P4SMA110CAHM3_A/I replaces legacy variants in new automotive and industrial designs where qualification and sustainability are mandatory.
P4SMA110CAHM3_A/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AC, SMA
- Series:
- P4SMA, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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):
- 2A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
P4SMA110CAHM3_A/I FAQ
1.How can I place an order for P4SMA110CAHM3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMA110CAHM3_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 P4SMA110CAHM3_A/I reliable?
The price and inventory of P4SMA110CAHM3_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 P4SMA110CAHM3_A/I is usually 5 days.
3.What payment methods are accepted for P4SMA110CAHM3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMA110CAHM3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMA110CAHM3_A/I?
P4SMA110CAHM3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMA110CAHM3_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 P4SMA110CAHM3_A/I?
For technical support, including P4SMA110CAHM3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMA110CAHM3_A/I requirements.
6.How does Aetrix verify that P4SMA110CAHM3_A/I is sourced from the original manufacturer or authorized distributors?
All P4SMA110CAHM3_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 P4SMA110CAHM3_A/I meets industry standards.
7.What is the process for return or replacement of P4SMA110CAHM3_A/I?
All P4SMA110CAHM3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with P4SMA110CAHM3_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 P4SMA110CAHM3_A/I part is unused and in its original packaging.
Return procedure for P4SMA110CAHM3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P4SMA110CAHM3_A/I Tags
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