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Vishay General Semiconductor - Diodes Division P4SMA110A-M3/61
- Part No.:
- P4SMA110A-M3/61
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
P4SMA110A-M3/61.pdf
- Description:
- TVS DIODE 94VWM 152VC DO214AC
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
P4SMA110A-M3/61 from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode designed for robust overvoltage protection in power and signal lines. It features a 110 V breakdown voltage (VBR = 105–116 V at IT = 1.0 mA), 94.0 V maximum standoff voltage (VWM), and clamps transients to ≤152 V at 2.0 A peak pulse current (IPPM) under 10/1000 µs waveform - deployed in automotive sensor interfaces, industrial I/O protection, and DC power rail surge suppression.
For engineers reviewing the P4SMA110A-M3/61 datasheet, P4SMA110A-M3/61 pinout, P4SMA110A-M3/61 application, or P4SMA110A-M3/61 equivalent, this device delivers verified 400 W peak pulse power (≤91 V), halogen-free RoHS compliance (M3 suffix), AEC-Q101 qualification, SMA (DO-214AC) package compatibility, and low incremental surge resistance for fast transient response in high-reliability embedded systems.
Technical Context
The P4SMA110A-M3/61 operates as a unidirectional avalanche-clamping TVS diode with glass-passivated junction and cathode-band polarity marking. Its clamping behavior is defined by a 10/1000 µs double-exponential surge waveform, with thermal derating above TA = 25 °C per Fig. 2 and RθJA = 120 °C/W.
It exhibits 0.107 %/°C temperature coefficient of VBR, 1.0 µA max reverse leakage at VWM, and meets MSL Level 1 per J-STD-020 with 260 °C reflow peak. The device supports repetitive surge duty cycle ≤0.01 % and is rated for TJ = –65 to +150 °C operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 105 V / 116 V at IT = 1.0 mA - defines reliable avalanche initiation threshold across production lot and temperature range |
| VWM | 94.0 V - maximum continuous reverse operating voltage before significant leakage begins |
| VC @ IPPM | ≤152 V at IPPM = 2.0 A (10/1000 µs) - actual clamped voltage seen by protected IC during surge event |
| PPPM | 400 W - peak transient power handling capability on standard 0.2" × 0.2" copper pads |
| IFSM | 40 A - single half-sine surge current rating (8.3 ms), critical for inductive load switching events |
| TJ max | +150 °C - maximum junction temperature enabling use in under-hood automotive and industrial environments |
| Package | SMA (DO-214AC) - industry-standard surface-mount outline with 5.0 mm × 5.0 mm thermal pad footprint |
Pinout & Package
Package: SMA (DO-214AC), molded epoxy case meeting UL 94 V-0 flammability rating; matte tin-plated leads solderable per J-STD-002 and JESD 22-B102; cathode indicated by band on unidirectional devices.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side of protected line; conducts during forward surge or bias conditions |
| Cathode | Avalanche clamping terminal | Connected to higher-potential side; initiates controlled breakdown when reverse voltage exceeds VWM |
Key Features
| Feature | Design Value |
|---|---|
| 400 W peak pulse power (10/1000 µs) | Enables protection against IEC 61000-4-5 Level 4 surges (4 kV/2 Ω) on 12–48 V DC rails without derating |
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per stress test plan |
| Halogen-free, RoHS-compliant (M3) | Meets EU Directive 2011/65/EU and JEDEC J-STD-204E material requirements for green manufacturing |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients (e.g., ISO 7637-2 pulse 1/2a/5a), improving system immunity margin |
| MSL Level 1 (260 °C peak) | Supports standard lead-free reflow profiles without preconditioning or dry-pack requirements |
Applications
| Automotive Sensor Interface Protection | Industrial PLC Digital Input Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor front-ends (e.g., pressure, temperature) from load dump and inductive switching transients in 12 V/24 V vehicle subsystems. IC Role / Device Role / Timing Role: Unidirectional TVS placed between signal line and ground to clamp negative-going transients while blocking normal operating voltage. Use Value: Limits voltage excursion to ≤152 V during 100 A load dump events, preventing damage to <100 V-rated interface ICs and ensuring ASIL-B functional safety compliance. |
Use Scenario: Safeguarding 24 V DC digital input channels on programmable logic controllers exposed to relay coil flyback, motor drive noise, and field wiring ESD. IC Role / Device Role / Timing Role: Standoff voltage (94.0 V) exceeds nominal 24 V supply with margin, enabling clean detection of logic-high states while suppressing >1 kV transients. Use Value: Clamps 400 W surges within 1 ns response time, preserving input comparator integrity and eliminating false triggering in noisy factory environments. |
| DC Power Rail Surge Suppression | Telecom Line Card Overvoltage Protection |
Use Scenario: Secondary-side protection on 48 V telecom or PoE-powered equipment DC distribution networks subjected to lightning-induced surges and hot-swap transients. IC Role / Device Role / Timing Role: Parallel-connected TVS referenced to ground, absorbing energy from common-mode transients coupled onto power conductors. Use Value: Withstands 400 W pulses without degradation, maintaining VC ≤152 V to protect downstream DC-DC converters rated for 160 V input max. |
Use Scenario: Protecting Ethernet PHYs and line interface units (LIUs) on central office or CPE equipment against induced surges on twisted-pair data lines per GR-1089-CORE. IC Role / Device Role / Timing Role: Unidirectional configuration used on biased signal pairs where DC bias must be preserved while suppressing AC-coupled surges. Use Value: Low leakage (<1.0 µA at 94 V) prevents signal distortion; 152 V clamping ensures PHY ESD tolerance (IEC 61000-4-2) remains uncompromised. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ110A | Same VBR range (105–116 V), but rated for 400 W only up to 85 V; 300 W above 91 V; no AEC-Q101 qualification | Limited to commercial-grade industrial and consumer applications; not approved for automotive ECUs or ADAS modules | Select SMAJ110A only if AEC-Q101 is unnecessary and cost sensitivity outweighs long-term reliability validation needs. |
| 1.5SMC110A | Higher package thermal mass (SMC/DO-214AB); same VBR/VC specs but 1500 W peak power; larger footprint (7.11 mm × 6.22 mm vs. 4.50 mm × 3.99 mm) | Suitable for high-energy surge zones (e.g., AC mains entry, outdoor telecom cabinets); incompatible with dense SMT layouts | Choose 1.5SMC110A when surge energy exceeds 400 W capability and PCB space permits larger DO-214AB footprint. |
Compared with SMAJ110A, P4SMA110A-M3/61 offers automotive qualification and consistent 400 W rating across its full voltage range; versus 1.5SMC110A, it provides identical clamping performance in a 40 % smaller SMA package - ideal for space-constrained automotive and industrial PCBs requiring validated reliability.
Availability
P4SMA110A-M3/61 is available at Aetrix Electronics and suitable for automotive sensor protection, industrial PLC input conditioning, and 48 V DC power rail surge suppression requiring stable component supply, long-term lifecycle support, and traceable halogen-free sourcing.
Supply support for P4SMA110A-M3/61 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 high-reliability, automotive-qualified components.
The P4SMA series was developed for surface-mount transient suppression in space-constrained, high-reliability applications - particularly automotive electronics, industrial controls, and telecom infrastructure where AEC-Q101 compliance and consistent clamping performance are mandatory.
FAQ
What is the maximum clamping voltage of the P4SMA110A-M3/61 under standard surge conditions?
The P4SMA110A-M3/61 has a maximum clamping voltage (VC) of 152 V when subjected to a 10/1000 µs waveform at its rated peak pulse current of 2.0 A. This value is measured per Fig. 1 and Fig. 3 in the Vishay datasheet (Doc. #88367, Rev. 09-Jan-2024) and represents the upper limit of voltage imposed on protected circuitry during transient events - critical for ensuring compatibility with 160 V-rated downstream components. The P4SMA110A-M3/61 maintains this clamping performance across its full operating temperature range.
Is the P4SMA110A-M3/61 qualified for automotive applications?
Yes, the P4SMA110A-M3/61 is AEC-Q101 qualified, as confirmed in the Vishay P4SMA Series datasheet (Document Number 88367, Revision 09-Jan-2024) under "Features" and "Ordering Information". The "M3" suffix denotes halogen-free, RoHS-compliant construction with AEC-Q101 qualification - making the P4SMA110A-M3/61 suitable for automotive powertrain, body control, and ADAS modules where extended temperature operation (–65 °C to +150 °C) and stress-test validation are required.
What does the "M3" suffix mean in P4SMA110A-M3/61?
The "M3" suffix in P4SMA110A-M3/61 indicates halogen-free, RoHS-compliant construction meeting JEDEC J-STD-204E material requirements, plus AEC-Q101 qualification. Per Vishay's ordering guide (Doc. #88367), M3 devices use matte tin-plated leads, pass JESD 201 Class 2 whisker testing, and comply with UL 94 V-0 flammability standards - distinguishing them from E3 (RoHS-only) and HM3 (halogen-free + AEC-Q101 with revision code) variants. The P4SMA110A-M3/61 is fully compatible with lead-free reflow processes.
Can the P4SMA110A-M3/61 be used in bidirectional configurations?
No, the P4SMA110A-M3/61 is a unidirectional TVS diode, as indicated by the "A" suffix (not "CA"). Bidirectional variants use the "CA" suffix (e.g., P4SMA110CA). The P4SMA110A-M3/61 features a cathode band marking and is designed to clamp only reverse-polarity transients - forward conduction occurs above ~0.7 V, limiting its use to circuits where DC bias polarity is fixed and known. Using it in bidirectional signal paths risks failure during positive transients.
What is the thermal resistance of the P4SMA110A-M3/61, and how does it affect layout design?
The P4SMA110A-M3/61 has a typical junction-to-ambient thermal resistance (RθJA) of 120 °C/W when mounted on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal, as specified in the Thermal Characteristics table (Doc. #88367). This value directly impacts sustained power dissipation: at 3.3 W rated power, junction temperature rise reaches ~400 °C without heatsinking - so PCB layout must include adequate copper area and thermal vias to maintain TJ ≤150 °C. The P4SMA110A-M3/61 relies on board-level thermal management rather than package-level heatsinks.
P4SMA110A-M3/61 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 94V
- Voltage - Breakdown (Min):
- 105V
- Voltage - Clamping (Max) @ Ipp:
- 152V
- Current - Peak Pulse (10/1000µs):
- 2A
- Power - Peak Pulse:
- 300W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
P4SMA110A-M3/61 FAQ
1.How can I place an order for P4SMA110A-M3/61 through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMA110A-M3/61 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 P4SMA110A-M3/61 reliable?
The price and inventory of P4SMA110A-M3/61 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4SMA110A-M3/61 is usually 5 days.
3.What payment methods are accepted for P4SMA110A-M3/61?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMA110A-M3/61 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMA110A-M3/61?
P4SMA110A-M3/61 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMA110A-M3/61 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 P4SMA110A-M3/61?
For technical support, including P4SMA110A-M3/61 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMA110A-M3/61 requirements.
6.How does Aetrix verify that P4SMA110A-M3/61 is sourced from the original manufacturer or authorized distributors?
All P4SMA110A-M3/61 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 P4SMA110A-M3/61 meets industry standards.
7.What is the process for return or replacement of P4SMA110A-M3/61?
All P4SMA110A-M3/61 units undergo pre-shipment inspection (PSI). If there is an issue with P4SMA110A-M3/61, 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 P4SMA110A-M3/61 part is unused and in its original packaging.
Return procedure for P4SMA110A-M3/61:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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