My Inquiry
My Account
Vishay General Semiconductor - Diodes Division P4SMA220CAHM3_A/I
- Part No.:
- P4SMA220CAHM3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
P4SMA220CAHM3_A/I.pdf
- Description:
- TVS DIODE 185VWM 328VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:9,564
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
P4SMA220CAHM3_A/I from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) in SMA (DO-214AC) package, designed for clamping voltage transients on signal and power lines. It features 220 V breakdown voltage (VBR), 185 V standoff voltage (VWM), 328 A peak pulse current (IPPM), 400 W peak pulse power (10/1000 µs), and AEC-Q101 qualification - used to protect automotive sensor interfaces and industrial I/O lines against ESD and inductive switching surges.
For engineers reviewing the P4SMA220CAHM3_A/I datasheet, P4SMA220CAHM3_A/I pinout, P4SMA220CAHM3_A/I application, or P4SMA220CAHM3_A/I equivalent, key selection criteria include bidirectional clamping capability at 220 V, MSL Level 1 moisture sensitivity, halogen-free RoHS compliance, and verified performance under 10/1000 µs surge waveforms per IEC 61000-4-5.
Technical Context
This device operates as a voltage-clamping protector with symmetrical bidirectional behavior: identical electrical characteristics in both polarities, enabling use on AC-coupled or floating signal paths without polarity concerns. Its glass-passivated junction ensures stable VBR tolerance (±5%) and low leakage (<1 µA at VWM), while thermal resistance (RθJA = 120 °C/W) supports operation up to 150 °C junction temperature.
The P4SMA220CAHM3_A/I delivers 400 W peak pulse power (derated to 300 W above 91 V) under standard 10/1000 µs waveform testing, with clamping voltage of 328 V at IPPM. Its fast response time (<1.0 ns) and low incremental surge resistance enable effective suppression of ESD (IEC 61000-4-2), EFT (IEC 61000-4-4), and lightning-induced surges (IEC 61000-4-5).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 209 V / 231 V at 1.0 mA test current - defines precise clamping onset threshold with ±5% tolerance for predictable overvoltage protection. |
| VWM | 185 V - maximum continuous reverse working voltage before significant leakage; sets safe operating margin below breakdown. |
| IPPM | 328 A (10/1000 µs waveform) - peak surge current handling capacity determines robustness against high-energy transients. |
| VC | 328 V at IPPM - clamped voltage during worst-case surge; directly limits stress on downstream ICs like microcontrollers or transceivers. |
| PPPM | 400 W (10/1000 µs) - peak pulse power rating confirms suitability for automotive load-dump and industrial surge immunity requirements. |
| TJmax | +150 °C - enables reliable operation in under-hood automotive environments and high-temperature industrial enclosures. |
| AEC-Q101 | Qualified - validates reliability for automotive electronics including body control modules, ADAS sensors, and powertrain sub-systems. |
Pinout & Package
Package: SMA (DO-214AC), surface-mount, halogen-free, RoHS-compliant, MSL Level 1 (260 °C reflow peak), matte tin-plated leads solderable per J-STD-002/JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias | For unidirectional variants only; not functional in bidirectional P4SMA220CAHM3_A/I - device has no polarity marking. |
| Cathode | Current exit terminal in forward bias | Not applicable to bidirectional configuration; terminals are electrically symmetric and interchangeable in circuit layout. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Identical VBR, VC, and IPPM in both directions - eliminates need for polarity-aware placement on differential or AC signal lines. |
| 400 W peak pulse power | Validated at 10/1000 µs waveform - meets IEC 61000-4-5 Level 3 (1 kV line-to-line, 2 kV line-to-ground) surge immunity requirements. |
| AEC-Q101 qualification | Passed stress tests including HTOL, TC, UHAST, and ESD - required for automotive-grade deployment in safety-critical ECUs. |
| Low profile SMA package | DO-214AC outline (5.28 mm × 4.50 mm × 2.29 mm) - enables compact PCB layouts while maintaining thermal dissipation via copper pad mounting. |
| Halogen-free & RoHS | HM3 suffix denotes halogen-free molding compound and lead-free terminations - satisfies EU ELV and automotive OEM material compliance mandates. |
Applications
| Automotive Sensor Interface | Industrial PLC Analog Input |
|---|---|
|
Use Scenario: Protecting CAN/LIN bus transceivers and analog front-ends in vehicle cabin sensors (e.g., temperature, pressure, position) from battery dump and alternator ripple. IC Role / Device Role: Bidirectional voltage clamp placed across signal pair or supply rail to limit transient excursions to ≤328 V. Use Value: Prevents latch-up or gate oxide damage in 3.3 V/5 V microcontrollers and precision ADCs by holding clamped voltage well below absolute maximum ratings. |
Use Scenario: Safeguarding 4–20 mA current loop inputs and ±10 V analog inputs in programmable logic controllers exposed to field wiring surges and relay coil kickback. IC Role / Device Role: Primary TVS element mounted at connector entry point to shunt induced transients before reaching isolation amplifiers or ADC drivers. Use Value: Maintains signal integrity under 1 kV/2 kV IEC 61000-4-5 surges while adding <1 pF junction capacitance - no bandwidth degradation on slow analog channels. |
| Telecom Line Card Protection | Consumer Power Adapter ESD Guard |
|
Use Scenario: Shielding Ethernet PHY interfaces and PoE injectors from lightning-induced common-mode surges on twisted-pair cabling in outdoor telecom cabinets. IC Role / Device Role: Secondary-level TVS deployed after gas discharge tube (GDT) primary protection to handle residual fast-rising edges. Use Value: Sub-1 ns response time captures energy missed by slower GDTs, reducing let-through voltage to levels compatible with 2.5 V/3.3 V PHY ICs. |
Use Scenario: Adding cost-effective surge immunity to USB-C and barrel-jack DC inputs in smart home hubs and audio adapters subjected to user-handling ESD. IC Role / Device Role: Standalone bidirectional suppressor across input rails to absorb ±15 kV contact/±25 kV air-gap ESD per IEC 61000-4-2. Use Value: Withstands >1000 ESD strikes without parameter shift - validated by AEC-Q101 HBM testing - ensuring long-term field reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ220CA | Same VBR/VWM but SMB package (DO-214AA); 600 W PPPM; higher RθJA (100 °C/W) due to larger footprint. | Preferred where higher surge margin is needed and board space allows larger package; less suitable for ultra-compact automotive modules. | Select SMBJ220CA when 600 W rating is mandatory and thermal constraints permit larger pad area. |
| 1.5KE220CA | Through-hole DO-15 package; same VBR/VWM; 1500 W PPPM; significantly higher IPPM (68.9 A) but slower response (>5 ns). | Used in legacy industrial power supplies where manual assembly and high single-event energy absorption are prioritized over speed or density. | Choose 1.5KE220CA only for through-hole designs requiring >1 kW surge handling and where layout permits axial-leaded components. |
Compared with SMBJ220CA and 1.5KE220CA, the P4SMA220CAHM3_A/I offers optimal balance of miniaturization (SMA), AEC-Q101 qualification, and 400 W surge capability - making it the preferred choice for new automotive and space-constrained industrial designs requiring surface-mount compatibility and automotive-grade reliability.
Availability
P4SMA220CAHM3_A/I is available at Aetrix Electronics and suitable for automotive sensor protection, industrial PLC I/O hardening, telecom line card surge suppression, and consumer power adapter ESD guard requiring stable component supply and halogen-free compliance.
Supply support for P4SMA220CAHM3_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 optoelectronics with emphasis on reliability and automotive qualification.
The P4SMA series is engineered for high-reliability transient suppression in automotive, industrial, and telecom infrastructure - delivering consistent clamping performance across temperature and lifetime under repetitive surge stress.
FAQ
What is the breakdown voltage tolerance for P4SMA220CAHM3_A/I?
The P4SMA220CAHM3_A/I has a breakdown voltage (VBR) range of 209 V to 231 V at 1.0 mA test current, corresponding to a ±5% tolerance. This tight tolerance ensures predictable clamping behavior across production lots and supports robust design margins in automotive and industrial applications where overvoltage thresholds must be precisely controlled. The specification is verified per JEDEC standards and documented in Vishay's official datasheet revision 09-Jan-2024.
Is P4SMA220CAHM3_A/I suitable for automotive applications?
Yes, P4SMA220CAHM3_A/I is AEC-Q101 qualified and carries the HM3 suffix indicating halogen-free, RoHS-compliant construction with whisker-resistant terminations. It is explicitly rated for automotive use in engine control units, body electronics, and ADAS sensor modules. The device undergoes high-temperature operating life (HTOL), temperature cycling (TC), and unbiased highly accelerated stress test (UHAST) per AEC-Q101 requirements - confirming its suitability for under-hood and cabin environments up to +150 °C junction temperature.
What does the "CA" suffix mean in P4SMA220CAHM3_A/I?
The "CA" suffix in P4SMA220CAHM3_A/I denotes a bidirectional configuration - meaning the device provides symmetrical transient suppression in both polarities, with identical VBR, VC, and IPPM values regardless of voltage polarity applied. This eliminates polarity marking on the SMA package and simplifies layout for AC-coupled signals, differential buses (e.g., CAN, RS-485), and floating power rails where direction of surge is unpredictable.
What is the maximum clamping voltage of P4SMA220CAHM3_A/I under surge conditions?
The maximum clamping voltage (VC) of P4SMA220CAHM3_A/I is 328 V at its rated peak pulse current (IPPM = 328 A) under the standard 10/1000 µs waveform. This value represents the upper limit of voltage seen by protected circuitry during worst-case transient events and is critical for ensuring downstream components - such as 3.3 V or 5 V microcontrollers - remain within their absolute maximum voltage ratings. VC is measured per ANSI/IEEE C62.35 and confirmed in Vishay's datasheet Table 1.
Does P4SMA220CAHM3_A/I require special PCB layout considerations?
Yes, P4SMA220CAHM3_A/I should be mounted on minimum recommended copper pad areas (0.2" × 0.2" / 5.0 mm × 5.0 mm per terminal) to achieve rated 400 W pulse power and thermal performance. Short, low-inductance traces are essential to minimize let-through voltage during fast transients. The SMA (DO-214AC) package has no polarity marking, so orientation is non-critical - but pads must fully accommodate the 5.28 mm × 4.50 mm outline with 2.29 mm height clearance. Thermal relief patterns should avoid excessive solder mask coverage to ensure proper reflow wetting.
P4SMA220CAHM3_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):
- 185V
- Voltage - Breakdown (Min):
- 209V
- Voltage - Clamping (Max) @ Ipp:
- 328V
- Current - Peak Pulse (10/1000µs):
- 910mA
- 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)
P4SMA220CAHM3_A/I FAQ
1.How can I place an order for P4SMA220CAHM3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMA220CAHM3_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 P4SMA220CAHM3_A/I reliable?
The price and inventory of P4SMA220CAHM3_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 P4SMA220CAHM3_A/I is usually 5 days.
3.What payment methods are accepted for P4SMA220CAHM3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMA220CAHM3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMA220CAHM3_A/I?
P4SMA220CAHM3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMA220CAHM3_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 P4SMA220CAHM3_A/I?
For technical support, including P4SMA220CAHM3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMA220CAHM3_A/I requirements.
6.How does Aetrix verify that P4SMA220CAHM3_A/I is sourced from the original manufacturer or authorized distributors?
All P4SMA220CAHM3_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 P4SMA220CAHM3_A/I meets industry standards.
7.What is the process for return or replacement of P4SMA220CAHM3_A/I?
All P4SMA220CAHM3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with P4SMA220CAHM3_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 P4SMA220CAHM3_A/I part is unused and in its original packaging.
Return procedure for P4SMA220CAHM3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P4SMA220CAHM3_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 …
