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Vishay General Semiconductor - Diodes Division SMA5J6.5CAHE3/61
- Part No.:
- SMA5J6.5CAHE3/61
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMA5J6.5CAHE3/61.pdf
- Description:
- TVS DIODE 6.5VWM 11.2VC DO214AC
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
SMA5J6.5CAHE3/61 from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode in SMA (DO-214AC) package, designed for high-energy surge protection on signal and power lines. It features a 6.5 V stand-off voltage (VWM), 7.22–7.98 V breakdown voltage (VBR), 500 W peak pulse power (PPPM), and clamps transients to ≤11.2 V at 44.6 A IPPM - used to protect automotive sensor interfaces, industrial I/O ports, and USB power rails.
For engineers reviewing the SMA5J6.5CAHE3/61 datasheet, SMA5J6.5CAHE3/61 pinout, SMA5J6.5CAHE3/61 application, or SMA5J6.5CAHE3/61 equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, bidirectional clamping behavior, thermal resistance (RθJA = 80 °C/W), and direct replacement guidance for circuit-level ESD/surge hardening.
Technical Context
This device operates as a bidirectional avalanche diode with symmetrical clamping in both polarities, enabling robust protection against positive and negative transients without polarity sensitivity. Its glass-passivated junction ensures stable VBR tolerance and low leakage (<500 μA at VWM), while MSL Level 1 rating supports lead-free reflow up to 260 °C.
The SMA5J6.5CAHE3/61 is rated for 150 °C maximum junction temperature and exhibits low incremental surge resistance, delivering consistent clamping performance under repetitive 10/1000 μs surges. Its 500 W PPPM rating is specified with derating above TA = 25 °C per Figure 2, and thermal impedance is optimized for PCB pad layouts matching the recommended 0.2" × 0.2" copper area per terminal.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 6.5 V - reverse stand-off voltage; defines maximum continuous operating voltage before significant leakage begins |
| VBR min/max | 7.22 V / 7.98 V at 10 mA - guaranteed avalanche initiation range; ensures predictable turn-on across production lot |
| VC @ IPPM | ≤11.2 V at 44.6 A - clamping voltage during 10/1000 μs surge; determines protected IC's maximum stress level |
| PPPM | 500 W - peak pulse power handling; enables suppression of high-energy transients like ISO 7637-2 Pulse 1/2a/5a |
| TJ max | +150 °C - maximum junction temperature; supports operation in under-hood automotive environments |
| RθJA | 80 °C/W - junction-to-ambient thermal resistance; requires minimum 0.2" × 0.2" copper pads for full-rated power dissipation |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing |
Pinout & Package
Package: SMA (DO-214AC), surface-mount, bidirectional - no polarity marking; symmetrical terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Transient conduction path | Both terminals function identically; conducts bidirectionally when voltage exceeds ±VBR |
| Case (cathode band absent) | Mounting interface | No polarity identification; mounting orientation does not affect electrical behavior |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating lines without external polarity management |
| Glass-passivated junction | Ensures stable VBR over time and temperature; reduces parameter drift in harsh environments |
| MSL Level 1 rating | Supports standard lead-free reflow profiles (peak 260 °C) without preconditioning or baking |
| AEC-Q101 qualification | Validates suitability for automotive applications including engine control, body electronics, and ADAS sensors |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (e.g., EFT, ESD), improving system immunity |
Applications
| Automotive Sensor Protection | Industrial I/O Port Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor inputs (e.g., pressure, temperature) from load dump and inductive switching transients in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed between signal line and ground, absorbing energy before it reaches the protected IC. Use Value: Clamps transients to ≤11.2 V while handling 500 W surges, preventing latch-up or damage to 5 V or 3.3 V automotive-grade interface ICs. | Use Scenario: Safeguarding PLC digital input modules and RS-485 transceivers against field-wiring induced surges and ground potential differences. IC Role / Device Role / Timing Role: Primary surge suppression element on signal lines entering industrial enclosures, mounted directly at connector entry points. Use Value: Withstands repeated 10/1000 μs surges up to 44.6 A, maintaining integrity across extended service life in factory-floor environments. |
| USB Power Line Protection | Telecom DC Power Feeds |
Use Scenario: Shielding USB Type-C VBUS lines from hot-plug transients and external ESD events in portable docking stations and host controllers. IC Role / Device Role / Timing Role: Standoff-rated TVS placed between VBUS and GND, activated only during overvoltage events to avoid interference with normal 5 V operation. Use Value: 6.5 V VWM allows clean pass-through of USB PD negotiation voltages while clamping ESD to <11.2 V - preserving USB-IF compliance. | Use Scenario: Protecting -48 V telecom power distribution boards from lightning-induced surges and accidental AC mains contact. IC Role / Device Role / Timing Role: Bidirectional clamp on DC feed lines, configured to suppress both positive and negative polarity surges relative to chassis ground. Use Value: Symmetrical breakdown enables identical protection for +48 V and -48 V systems without redesign; RθJA = 80 °C/W supports natural convection cooling in dense board layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMA5J6.5CA-M3/61 | Halogen-free, RoHS-compliant variant; identical electrical specs and AEC-Q101 qualification | No functional difference; selected where halogen-free material compliance is mandated | Choose SMA5J6.5CA-M3/61 if halogen-free bill-of-materials is required; otherwise SMA5J6.5CAHE3/61 is preferred for standard automotive use |
| SMA6J6.5CAHE3/61 | 600 W PPPM rating (vs. 500 W); same VWM/VBR/VC, but higher surge capacity and RθJA = 70 °C/W | Better suited for systems requiring margin beyond ISO 7637-2 Pulse 5a or IEC 61000-4-5 Level 4 | Select SMA6J6.5CAHE3/61 when higher surge endurance is needed; verify thermal layout supports lower RθJA |
Compared with SMA5J6.5CA-M3/61, the SMA5J6.5CAHE3/61 offers identical protection performance with standard RoHS compliance; versus SMA6J6.5CAHE3/61, it trades 100 W peak power for broader availability and tighter cost control in volume automotive designs.
Availability
SMA5J6.5CAHE3/61 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial I/O protection, and USB power line hardening requiring stable component supply, AEC-Q101 validation, and bidirectional transient suppression.
Supply support for SMA5J6.5CAHE3/61 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, MOSFETs, optoelectronics, and passive components with emphasis on reliability and application-specific performance.
The SMA5J series is engineered for high-power-density transient suppression in space-constrained automotive and industrial systems, prioritizing low clamping voltage, fast response, and AEC-Q101 compliance from wafer to final test.
FAQ
What is the polarity configuration of SMA5J6.5CAHE3/61?
The SMA5J6.5CAHE3/61 is a bidirectional TVS diode with symmetrical terminals and no polarity marking. Unlike unidirectional variants (e.g., SMA5J6.5AHE3/61), it clamps voltage transients equally in both directions - making it ideal for AC-coupled lines, differential buses, or floating grounds where polarity cannot be assumed. This behavior is confirmed in the "DEVICES FOR BIDIRECTION APPLICATIONS" section of the Vishay datasheet (Doc. #88875).
Is SMA5J6.5CAHE3/61 qualified for automotive applications?
Yes, SMA5J6.5CAHE3/61 is AEC-Q101 qualified, as indicated by the "HE3" suffix in its ordering code. This qualification covers stress tests including temperature cycling, high-temperature reverse bias (HTRB), and ESD per JESD22-A114. The device is explicitly designated for automotive use in the Vishay datasheet, supporting applications such as engine control units, body electronics, and ADAS sensor interfaces.
What is the maximum clamping voltage of SMA5J6.5CAHE3/61 under surge conditions?
The SMA5J6.5CAHE3/61 has a maximum clamping voltage (VC) of 11.2 V at its rated peak pulse current (IPPM) of 44.6 A, tested with a 10/1000 μs waveform. This value is measured across the device terminals during surge conduction and defines the upper voltage limit imposed on protected circuitry - critical for ensuring downstream ICs (e.g., 5 V microcontrollers or CAN transceivers) remain within safe operating limits.
Does SMA5J6.5CAHE3/61 require special PCB layout considerations?
Yes - to achieve its rated 500 W peak pulse power, SMA5J6.5CAHE3/61 must be mounted on PCB copper pads of at least 0.2" × 0.2" (5.0 mm × 5.0 mm) per terminal, as specified in the "MECHANICAL DATA" section of the Vishay datasheet. Smaller pads increase thermal resistance, reducing surge capability and risking thermal runaway. Trace inductance should also be minimized by placing the device adjacent to the protected port.
How does the "HE3" suffix in SMA5J6.5CAHE3/61 differ from "E3" or "M3"?
The "HE3" suffix denotes RoHS-compliant construction with AEC-Q101 qualification, whereas "E3" indicates RoHS-compliant commercial grade only, and "M3" adds halogen-free compliance. All three share identical electrical characteristics, but only HE3- and HM3-suffixed parts are certified for automotive use. The "/61" denotes 7" tape-and-reel packaging with 1800 units per reel.
SMA5J6.5CAHE3/61 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AC, SMA
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 6.5V
- Voltage - Breakdown (Min):
- 7.22V
- Voltage - Clamping (Max) @ Ipp:
- 11.2V
- Current - Peak Pulse (10/1000µs):
- 44.6A
- Power - Peak Pulse:
- 500W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
SMA5J6.5CAHE3/61 FAQ
1.How can I place an order for SMA5J6.5CAHE3/61 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMA5J6.5CAHE3/61 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 SMA5J6.5CAHE3/61 reliable?
The price and inventory of SMA5J6.5CAHE3/61 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMA5J6.5CAHE3/61 is usually 5 days.
3.What payment methods are accepted for SMA5J6.5CAHE3/61?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMA5J6.5CAHE3/61 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMA5J6.5CAHE3/61?
SMA5J6.5CAHE3/61 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMA5J6.5CAHE3/61 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 SMA5J6.5CAHE3/61?
For technical support, including SMA5J6.5CAHE3/61 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMA5J6.5CAHE3/61 requirements.
6.How does Aetrix verify that SMA5J6.5CAHE3/61 is sourced from the original manufacturer or authorized distributors?
All SMA5J6.5CAHE3/61 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 SMA5J6.5CAHE3/61 meets industry standards.
7.What is the process for return or replacement of SMA5J6.5CAHE3/61?
All SMA5J6.5CAHE3/61 units undergo pre-shipment inspection (PSI). If there is an issue with SMA5J6.5CAHE3/61, 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 SMA5J6.5CAHE3/61 part is unused and in its original packaging.
Return procedure for SMA5J6.5CAHE3/61:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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