My Inquiry
My Account
Vishay General Semiconductor - Diodes Division P4SMA10AHE3_A/I
- Part No.:
- P4SMA10AHE3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
P4SMA10AHE3_A/I.pdf
- Description:
- TVS DIODE 8.55VWM 14.5VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:7,825
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
P4SMA10AHE3_A/I from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMA (DO-214AC) package, designed for clamping voltage transients on power and signal lines. It features 10 V standoff voltage (VWM), 14.5 V maximum clamping voltage (VC) at 27.6 A peak pulse current, and 400 W peak pulse power capability with 10/1000 µs waveform - ideal for protecting MOSFETs and ICs in automotive sensor interfaces.
For engineers reviewing the P4SMA10AHE3_A/I datasheet, P4SMA10AHE3_A/I pinout, P4SMA10AHE3_A/I application, or P4SMA10AHE3_A/I equivalent, key selection criteria include its AEC-Q101 qualification, low incremental surge resistance, fast response time, and compatibility with automated SMT placement on 0.2" × 0.2" copper pads.
Technical Context
The P4SMA10AHE3_A/I operates as a unidirectional avalanche diode, triggering when reverse voltage exceeds its 9.5–10.5 V breakdown range (VBR at 1 mA). Its glass-passivated junction ensures stable performance under repetitive transient stress, with thermal resistance RθJA = 120 °C/W enabling reliable operation up to 150 °C junction temperature.
It delivers 27.6 A peak pulse current (IPPM) under 10/1000 µs waveform while limiting clamped voltage to ≤14.5 V - critical for safeguarding 12 V automotive electronics against ISO 7637-2 load dump and inductive switching spikes. The device meets J-STD-020 MSL Level 1 and is RoHS-compliant with matte tin-plated leads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 8.55 V - Maximum continuous reverse operating voltage before conduction begins; defines safe operating margin below clamping threshold. |
| VBR (Breakdown Voltage) | 9.5–10.5 V at 1 mA - Avalanche onset range; ensures predictable turn-on during transients without premature leakage. |
| VC (Clamping Voltage) | ≤14.5 V at 27.6 A - Peak voltage seen by protected circuit during worst-case 10/1000 µs surge; enables robust protection of 12 V logic and analog inputs. |
| PPPM (Peak Pulse Power) | 400 W - Sustained energy absorption capacity per transient event; supports repeated surge events at 0.01% duty cycle. |
| IPPM (Peak Pulse Current) | 27.6 A - Maximum non-repetitive surge current handled without degradation; validated with 0.2" × 0.2" copper pad layout. |
| TJmax | 150 °C - Maximum junction temperature rating; allows use in under-hood automotive environments with proper thermal design. |
| AEC-Q101 Qualified | Yes - Validated for automotive-grade reliability including temperature cycling, humidity bias, and mechanical shock per AEC standard. |
Pinout & Package
Package: SMA (DO-214AC) - surface-mount, low-profile plastic case with matte tin-plated leads; meets UL 94 V-0 flammability rating and JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient current sink | Connected to protected line; conducts surge current to ground when reverse voltage exceeds VBR. |
| Anode | Reference/ground return | Typically tied to system ground or low-impedance return path; completes clamping loop during overvoltage events. |
Key Features
| Feature | Design Value |
|---|---|
| 400 W peak pulse power (10/1000 µs) | Enables protection against high-energy transients like ISO 16750-2 jump-start surges without derating above 91 V. |
| Glass-passivated chip junction | Ensures long-term stability of VBR and leakage under thermal cycling and humidity stress. |
| AEC-Q101 qualified (HE3 suffix) | Validates suitability for automotive applications including engine control modules and ADAS sensor interfaces. |
| MSL Level 1 (260 °C reflow) | Supports standard lead-free SMT assembly without moisture sensitivity concerns or baking requirements. |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients, improving protection margin for sensitive CMOS inputs. |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor outputs (e.g., pressure, temperature) in engine compartments subject to load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS clamping transient energy on supply and signal lines before it reaches downstream ASICs or microcontrollers. Use Value: Maintains signal integrity and prevents latch-up in 12 V systems by limiting clamped voltage to ≤14.5 V during 27.6 A surges. |
Use Scenario: Safeguarding digital input/output channels of programmable logic controllers exposed to relay coil flyback and ESD in factory automation. IC Role / Device Role / Timing Role: Fast-acting voltage clamp placed directly at connector entry points to divert inductive kickback away from FPGA or microcontroller GPIOs. Use Value: Prevents field failures caused by >1 kV EFT bursts via its sub-nanosecond response and 400 W surge handling capability. |
| Consumer Power Adapter Input | Telecom DC Power Rail Protection |
|
Use Scenario: Secondary-side overvoltage suppression in AC/DC adapters for USB-C PD and smart home devices subjected to lightning-induced surges. IC Role / Device Role / Timing Role: Standoff-rated TVS placed across 5–12 V output rails to absorb residual transients escaping primary-side MOVs and Y-capacitors. Use Value: Complements primary protection with precise 8.55 V VWM and low-leakage (<10 µA) to avoid standby power loss. |
Use Scenario: DC feed protection in PoE-powered network switches and base station radios where 48 V supply lines face induced surges from nearby lightning strikes. IC Role / Device Role / Timing Role: Unidirectional suppressor installed between DC input and DC-DC converter input to prevent overvoltage damage to buck controller ICs. Use Value: Delivers 14.5 V clamping at full rated current - sufficient to protect 48 V systems with wide input range DC-DC stages. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ10A | Same SMA package, 10 V VWM, but lower 400 W rating applies only up to 91 V; no AEC-Q101 qualification. | Commercial-grade only; not approved for automotive use per AEC-Q101. | Select SMAJ10A only for cost-sensitive industrial or consumer designs where automotive qualification is unnecessary. |
| 1.5SMC10A | Higher-power SMC package (1500 W), same 10 V VWM, but larger footprint and higher VC (16.7 V). | Used where higher single-event energy absorption is required, e.g., front-end AC/DC inputs. | Choose 1.5SMC10A when surge energy exceeds 400 W capability or board space permits larger SMC footprint. |
Compared with SMAJ10A, P4SMA10AHE3_A/I provides AEC-Q101 validation and tighter VC (14.5 V vs. 16.0 V), making it preferable for automotive signal-line protection; versus 1.5SMC10A, it offers smaller size and lower clamping voltage but reduced single-pulse energy handling.
Availability
P4SMA10AHE3_A/I is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, and telecom DC power rail protection requiring stable component supply, AEC-Q101 compliance, and consistent surge performance across production batches.
Supply support for P4SMA10AHE3_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, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The P4SMA Series is engineered for robust transient suppression in automotive, industrial, and telecom systems - delivering standardized TVS performance in compact SMA packages with AEC-Q101 and RoHS compliance built-in.
FAQ
What is the clamping voltage of P4SMA10AHE3_A/I at its rated peak pulse current?
The P4SMA10AHE3_A/I has a maximum clamping voltage (VC) of 14.5 V at its rated peak pulse current of 27.6 A under the standard 10/1000 µs waveform. This value is measured with the device mounted on 0.2" × 0.2" copper pads per JEDEC guidelines and reflects the actual voltage imposed on the protected circuit during worst-case transient events. The P4SMA10AHE3_A/I maintains this clamping performance across its specified operating temperature range.
Is P4SMA10AHE3_A/I suitable for automotive applications?
Yes, P4SMA10AHE3_A/I is AEC-Q101 qualified and specifically designated for automotive use via the "HE3" suffix, indicating compliance with stress tests for temperature cycling, humidity bias, and mechanical shock. It is commonly deployed in engine control units, body electronics, and ADAS sensor modules where reliability under harsh environmental conditions is mandatory. The P4SMA10AHE3_A/I also meets MSL Level 1 for lead-free reflow compatibility.
What does the "_A/I" suffix mean in P4SMA10AHE3_A/I?
The "_A" denotes the revision level of the AEC-Q101 qualification for the P4SMA10AHE3_A/I device, while "/I" specifies packaging in 13-inch diameter tape-and-reel format with 7500 units per reel. This packaging option supports high-volume SMT assembly and is compatible with standard pick-and-place equipment. The P4SMA10AHE3_A/I ordering code confirms RoHS compliance and automotive-grade screening.
How does P4SMA10AHE3_A/I compare to bidirectional TVS diodes like P4SMA10CA?
P4SMA10AHE3_A/I is unidirectional and intended for DC line protection where polarity is fixed, offering lower leakage and sharper breakdown characteristics than bidirectional variants. In contrast, P4SMA10CA protects AC or polarity-agnostic signals but exhibits higher reverse leakage and symmetric clamping behavior. The P4SMA10AHE3_A/I is preferred for 12 V automotive supply rails, whereas P4SMA10CA suits RS-485 or audio line protection where signal swing crosses zero.
What is the thermal resistance of P4SMA10AHE3_A/I, and how does it affect PCB layout?
The P4SMA10AHE3_A/I has a typical junction-to-ambient thermal resistance (RθJA) of 120 °C/W when mounted on minimum recommended pad layout. To maintain safe junction temperatures under repetitive surge conditions, PCB layout must use 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal, as specified in the Vishay datasheet. Reducing pad area increases RθJA, risking thermal runaway during sustained transient activity - a critical consideration for the P4SMA10AHE3_A/I in high-duty-cycle applications.
P4SMA10AHE3_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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 8.55V
- Voltage - Breakdown (Min):
- 9.5V
- Voltage - Clamping (Max) @ Ipp:
- 14.5V
- Current - Peak Pulse (10/1000µs):
- 27.6A
- Power - Peak Pulse:
- 400W
- 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-214AC (SMA)
P4SMA10AHE3_A/I FAQ
1.How can I place an order for P4SMA10AHE3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMA10AHE3_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 P4SMA10AHE3_A/I reliable?
The price and inventory of P4SMA10AHE3_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 P4SMA10AHE3_A/I is usually 5 days.
3.What payment methods are accepted for P4SMA10AHE3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMA10AHE3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMA10AHE3_A/I?
P4SMA10AHE3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMA10AHE3_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 P4SMA10AHE3_A/I?
For technical support, including P4SMA10AHE3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMA10AHE3_A/I requirements.
6.How does Aetrix verify that P4SMA10AHE3_A/I is sourced from the original manufacturer or authorized distributors?
All P4SMA10AHE3_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 P4SMA10AHE3_A/I meets industry standards.
7.What is the process for return or replacement of P4SMA10AHE3_A/I?
All P4SMA10AHE3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with P4SMA10AHE3_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 P4SMA10AHE3_A/I part is unused and in its original packaging.
Return procedure for P4SMA10AHE3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P4SMA10AHE3_A/I Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
