My Inquiry
My Account
Vishay General Semiconductor - Diodes Division P6SMB220CAHE3/52
- Part No.:
- P6SMB220CAHE3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB220CAHE3/52.pdf
- Description:
- TVS DIODE 185VWM 328VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:7,470
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
P6SMB220CAHE3/52 from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, rated for 220 V standoff voltage (VWM), 242–264 V breakdown voltage (VBR), and 600 W peak pulse power (10/1000 μs). It clamps transients to ≤328 V at 1.8 A peak pulse current and is AEC-Q101 qualified for automotive electronics protection.
For engineers reviewing the P6SMB220CAHE3/52 datasheet, P6SMB220CAHE3/52 pinout, P6SMB220CAHE3/52 application, or P6SMB220CAHE3/52 equivalent, this device serves as a robust, low-profile, RoHS-compliant transient suppressor for high-voltage DC bus lines, sensor interfaces, and power supply rails where bidirectional surge immunity and automotive-grade reliability are required.
Technical Context
The P6SMB220CAHE3/52 operates as a bidirectional avalanche diode with symmetrical clamping behavior in both polarities, enabling protection of AC-coupled or floating signal paths without polarity sensitivity. Its glass-passivated junction ensures stable breakdown characteristics and low leakage (<1.0 μA at 185 V).
Designed for 10/1000 μs surge waveforms per IEC 61000-4-5, it delivers 600 W peak pulse power with thermal resistance RθJA = 100 °C/W and maximum junction temperature of +150 °C. The device meets J-STD-020 MSL Level 1 and is qualified to AEC-Q101 for automotive under-hood and infotainment applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 185 V - Maximum continuous reverse voltage before clamping begins; defines safe operating window for 220 V nominal DC systems. |
| VBR (Breakdown) | 242–264 V at 1 mA - Confirmed avalanche onset range; ensures reliable triggering above normal operating voltage with margin. |
| VC (Clamping) | 328 V at IPPM = 1.8 A - Peak voltage seen by protected circuit during 10/1000 μs surge; limits stress on downstream MOSFETs or ICs. |
| PPPM | 600 W - Sustains standardized lightning/surge energy without failure; validated per Fig. 1 derating curves. |
| ID (Leakage) | <1.0 μA at 185 V - Negligible standby current; avoids loading of high-impedance sensor or reference circuits. |
| TJ max | +150 °C - Enables operation in under-hood automotive environments and industrial enclosures with elevated ambient temperatures. |
| Package | SMB (DO-214AA) - Surface-mount footprint (5.59 mm × 4.06 mm) compatible with automated placement and reflow; UL 94 V-0 molded compound. |
Pinout & Package
SMB (DO-214AA) package: two-terminal, bidirectional device with no polarity marking; symmetric construction enables mounting without orientation concern. Terminals are matte tin-plated, solderable per J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Transient conduction path | Both terminals function identically; conducts bidirectionally when voltage exceeds ±VBR - no cathode band or polarity identification required. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC signals, differential buses, or floating nodes without external polarity management. |
| AEC-Q101 qualification | Validated for automotive use including temperature cycling, humidity bias, and mechanical shock - supports Tier-1 BOM inclusion. |
| 600 W peak pulse rating | Withstands IEC 61000-4-5 Level 4 surges (4 kV line-earth) on properly laid out PCBs with 5.0 mm × 5.0 mm copper pads. |
| Low incremental surge resistance | Minimizes clamping voltage overshoot during fast-rising transients (e.g., inductive switch-off), improving system-level ESD/EFT robustness. |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and standard reflow without baking - reduces manufacturing overhead and handling risk. |
Applications
| Automotive Power Distribution | Industrial Sensor Interface Protection |
|---|---|
|
Use Scenario: Protecting 24 V and 48 V DC power distribution networks in ADAS ECUs and body control modules from load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed across input rails to limit transient overvoltage before DC-DC converters and microcontrollers. Use Value: Clamps 120 V load dump spikes to ≤328 V, preventing latch-up or gate oxide damage in downstream PMICs and MCU power supplies. |
Use Scenario: Shielding analog front-ends of pressure, temperature, and position sensors in factory automation PLCs from EFT and cable discharge events. IC Role / Device Role / Timing Role: Low-leakage (≤1 μA), high-VWM TVS placed at connector entry to shunt surges before signal conditioning op-amps and ADC inputs. Use Value: Maintains signal integrity with <1 μA leakage at 185 V while clamping 1 kV EFT bursts to sub-330 V levels - preserving measurement accuracy and long-term stability. |
| Telecom DC Power Feeds | Renewable Energy Inverter DC Link |
|
Use Scenario: Safeguarding -48 V telecom rectifier outputs and PoE midspans against lightning-induced surges on outdoor plant wiring. IC Role / Device Role / Timing Role: High-VWM bidirectional TVS used in parallel with primary DC feed to absorb common-mode transients before isolation transformers and DC/DC stages. Use Value: Withstands repeated 600 W surges without degradation, meeting Telcordia GR-1089-CORE requirements for central office equipment. |
Use Scenario: Protecting high-voltage DC link capacitors and IGBT gate drivers in solar string inverters exposed to grid switching transients and nearby lightning. IC Role / Device Role / Timing Role: Standoff-rated TVS placed across DC+ and DC− bus to clamp fast-rising overvoltages before they propagate to switching devices. Use Value: 220 V VWM aligns with 1000 V DC link designs; 328 V clamping prevents overvoltage stress on 650 V IGBTs during 10/1000 μs surges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ220CA | Same VWM/VBR/VC specs but lower PPPM (400 W); SMA package (smaller footprint, higher RθJA = 140 °C/W). | Limited to lower-energy surges; unsuitable for automotive load dump or telecom lightning standards requiring 600 W. | Select only if space-constrained and surge energy is confirmed ≤400 W; verify thermal margin with board layout. |
| SMCJ220CA | Same VWM/VBR/VC but higher PPPM (1500 W); larger SMC (DO-214AB) package with RθJA = 50 °C/W. | Over-specified for 600 W needs; adds cost, size, and assembly complexity without benefit in standard IEC 61000-4-5 applications. | Choose only when legacy board design mandates SMC footprint or when future-proofing for >1 kV surge testing is required. |
Compared with SMAJ220CA and SMCJ220CA, the P6SMB220CAHE3/52 delivers optimal balance of 600 W surge capability, SMB footprint compatibility, AEC-Q101 qualification, and thermal performance - making it the preferred choice for automotive, industrial, and telecom applications demanding verified reliability at standard surge levels.
Availability
P6SMB220CAHE3/52 is available at Aetrix Electronics and suitable for automotive power distribution, industrial sensor interface protection, telecom DC feeds, and renewable energy inverter DC link applications requiring stable component supply, AEC-Q101 compliance, and consistent surge performance across production batches.
Supply support for P6SMB220CAHE3/52 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, MOSFETs, optoelectronics, and passive components with emphasis on reliability, efficiency, and application-specific optimization.
The P6SMB Series is designed for high-reliability transient suppression in automotive, industrial, and communications infrastructure - delivering standardized 600 W surge capability in compact SMB packages with AEC-Q101 and RoHS compliance.
FAQ
What is the clamping voltage of the P6SMB220CAHE3/52 at its rated peak pulse current?
The P6SMB220CAHE3/52 has a maximum clamping voltage (VC) of 328 V at 1.8 A peak pulse current (IPPM), measured under the standard 10/1000 μs waveform. This value is guaranteed per the Vishay datasheet (Document Number: 88370, Rev. 09-Jan-2024) and defines the upper voltage limit imposed on protected circuitry during surge events. Engineers must ensure downstream components tolerate this clamping level under worst-case surge conditions.
Is the P6SMB220CAHE3/52 suitable for automotive applications?
Yes, the P6SMB220CAHE3/52 is AEC-Q101 qualified (indicated by the "HE3" suffix) and specifically rated for automotive use. It meets requirements for temperature cycling, humidity bias, and mechanical shock, and is intended for under-hood and cabin applications such as ADAS ECUs, body control modules, and infotainment power supplies. Its 185 V VWM and 328 V VC align with 24 V/48 V system protection needs.
Does the P6SMB220CAHE3/52 have polarity markings on the package?
No, the P6SMB220CAHE3/52 is a bidirectional TVS diode and carries no polarity marking - the SMB (DO-214AA) package is symmetric with identical anode/cathode terminals. Unlike unidirectional variants (e.g., P6SMB220A), it requires no orientation during placement, simplifying automated assembly and eliminating risk of reverse installation in AC or floating circuits.
What is the maximum junction temperature rating for the P6SMB220CAHE3/52?
The P6SMB220CAHE3/52 has a maximum junction temperature (TJ max) of +150 °C, as specified in the Vishay datasheet. This rating enables reliable operation in high-ambient environments such as automotive engine compartments or industrial control cabinets. Thermal design must account for RθJA = 100 °C/W and ensure sufficient copper pad area (0.2" × 0.2") to maintain junction temperature within limits during repetitive surge events.
How does the P6SMB220CAHE3/52 differ from the unidirectional P6SMB220AHE3/52?
The P6SMB220CAHE3/52 is bidirectional with symmetrical clamping in both polarities and no cathode band, whereas the P6SMB220AHE3/52 is unidirectional with a marked cathode end and conducts only in reverse bias. Their VWM (185 V vs. 220 V), VBR (242–264 V vs. 209–231 V), and VC (328 V vs. 328 V) differ due to distinct test configurations - the "CA" version is intended for AC, differential, or floating node protection, while the "A" version suits DC rail-to-ground clamping.
P6SMB220CAHE3/52 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:
- Discontinued at Digi-Key
- 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):
- 1.8A
- 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 (SMB)
P6SMB220CAHE3/52 FAQ
1.How can I place an order for P6SMB220CAHE3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB220CAHE3/52 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 P6SMB220CAHE3/52 reliable?
The price and inventory of P6SMB220CAHE3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB220CAHE3/52 is usually 5 days.
3.What payment methods are accepted for P6SMB220CAHE3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB220CAHE3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB220CAHE3/52?
P6SMB220CAHE3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB220CAHE3/52 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 P6SMB220CAHE3/52?
For technical support, including P6SMB220CAHE3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB220CAHE3/52 requirements.
6.How does Aetrix verify that P6SMB220CAHE3/52 is sourced from the original manufacturer or authorized distributors?
All P6SMB220CAHE3/52 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 P6SMB220CAHE3/52 meets industry standards.
7.What is the process for return or replacement of P6SMB220CAHE3/52?
All P6SMB220CAHE3/52 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB220CAHE3/52, 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 P6SMB220CAHE3/52 part is unused and in its original packaging.
Return procedure for P6SMB220CAHE3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB220CAHE3/52 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
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 …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
