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Vishay General Semiconductor - Diodes Division SMA5J10CA-E3/5A
- Part No.:
- SMA5J10CA-E3/5A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMA5J10CA-E3/5A.pdf
- Description:
- TVS DIODE 10VWM 17VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:8,525
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Product details
Overview
SMA5J10CA-E3/5A 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 10 V standoff voltage (VWM), 11.1–12.3 V breakdown voltage (VBR), 17.0 V clamping voltage (VC) at 29.4 A peak pulse current, and 500 W peak pulse power rating with 10/1000 µs waveform. It is widely used to protect automotive sensor interfaces and industrial I/O lines against ESD and load dump transients.
For engineers reviewing the SMA5J10CA-E3/5A datasheet, SMA5J10CA-E3/5A pinout, SMA5J10CA-E3/5A application, or SMA5J10CA-E3/5A equivalent, key selection criteria include bidirectional clamping capability, low clamping ratio (VC/VWM = 1.7), AEC-Q101 qualification eligibility (via HE3/HM3 variants), and compatibility with automated SMT placement on 5.0 mm × 5.0 mm copper pads.
Technical Context
This TVS diode operates symmetrically in both directions due to its bidirectional construction, enabling suppression of positive and negative transients without polarity sensitivity. Its glass-passivated junction ensures stable leakage performance (<1.0 µA at VWM) and robust surge handling up to 150 °C junction temperature.
The device delivers consistent clamping under standardized 10/1000 µs surge conditions, with low incremental surge resistance contributing to predictable VC behavior across its rated IPPM range. Thermal resistance is characterized at RθJA = 80 °C/W (typ.) and RθJL = 25 °C/W (typ.), supporting reliable operation on standard PCB layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 10 V - Maximum continuous reverse operating voltage before significant conduction begins; defines safe working margin for protected circuitry. |
| VBR (min/max) | 11.1 V / 12.3 V - Measured at 1 mA test current; ensures reliable triggering above normal operating voltage while avoiding false trips. |
| VC @ IPPM | 17.0 V at 29.4 A - Clamped voltage during 500 W surge; limits downstream voltage stress to ≤17.0 V under worst-case transient. |
| PPPM | 500 W - Peak pulse power dissipation capability with 10/1000 µs waveform; supports high-energy surge immunity per ISO 7637-2 and IEC 61000-4-5. |
| ID @ VWM | <1.0 µA - Reverse leakage at 10 V; minimizes standby power loss and avoids interference in high-impedance sensing paths. |
| TJ max. | +150 °C - Maximum junction temperature; enables use in under-hood automotive and industrial environments without derating. |
Pinout & Package
Package: SMA (DO-214AC), surface-mount, low-profile plastic case with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102. No polarity marking - bidirectional symmetry eliminates cathode/anode identification.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Transient conduction path | Both terminals function identically; surge current flows bidirectionally between them during overvoltage events. |
| Case (exposed metal pad) | Thermal and mechanical interface | Not electrically connected; provides thermal path to PCB copper and mechanical anchoring during reflow. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines without polarity concerns - e.g., CAN bus, RS-485, sensor bridges. |
| Low clamping ratio (VC/VWM = 1.7) | Minimizes voltage overshoot during transients, reducing risk of latch-up or damage to downstream 12 V-rated ICs like microcontrollers and transceivers. |
| MSL Level 1 (260 °C peak) | Supports standard lead-free reflow profiles without moisture-related popcorning; eliminates pre-bake requirements for production assembly. |
| AEC-Q101 qualification path | HE3/HM3 variants are qualified for automotive applications; this E3/5A variant shares identical die and package construction, enabling qualification traceability. |
Applications
| Automotive Sensor Protection | Industrial I/O Interface |
|---|---|
Use Scenario: Protecting analog output lines of pressure/temperature sensors in engine control modules exposed to load dump and jump-start transients. IC Role / Device Role / Timing Role: Bidirectional voltage clamp placed across sensor supply and ground, shunting surges before they reach precision ADC inputs. Use Value: Maintains signal integrity by limiting transient voltage to 17.0 V, preventing ADC saturation and ensuring valid readings during ISO 16750-2 Pulse 5a events. |
Use Scenario: Safeguarding 24 V digital input channels on PLC modules subject to inductive switching spikes from solenoid valves and contactors. IC Role / Device Role / Timing Role: Parallel-connected TVS absorbing repetitive 500 W surges on field-side inputs, referenced to common-mode ground. Use Value: Withstands ≥1000 surges at rated IPPM without degradation, extending maintenance intervals and eliminating false tripping in factory automation systems. |
| Telecom Line Interface | Consumer Power Adapter Input |
Use Scenario: Secondary-side surge protection on Ethernet PHY power rails (3.3 V/5 V) in PoE-powered devices subjected to lightning-induced surges. IC Role / Device Role / Timing Role: Fast-response (sub-nanosecond) clamp suppressing transients before they propagate into sensitive PHY silicon. Use Value: Achieves <1.0 µA leakage at 3.3 V VWM, preserving low-power sleep modes while providing 500 W immunity per IEC 61000-4-5 Level 4. |
Use Scenario: Input-stage protection on USB-C PD adapters where 10 V-rated secondary-side bias rails require robust ESD and surge resilience. IC Role / Device Role / Timing Role: Standoff-rated TVS placed between isolated DC output and ground, guarding against user-port ESD and mains coupling. Use Value: 17.0 V clamping ensures downstream LDOs and monitoring ICs remain within absolute maximum ratings during ±8 kV contact ESD per IEC 61000-4-2. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMA5J10CA-M3/5A | Halogen-free, RoHS-compliant variant with identical electrical specs and package; same thermal and surge performance. | No functional difference; selected when halogen-free compliance is mandated by OEM environmental specifications. | Choose M3/5A for green manufacturing programs requiring halogen-free bill-of-materials. |
| SMA6J10CA-E3/5A | 600 W PPPM rating (vs. 500 W), same VWM/VC, larger junction area; slightly higher RθJA (85 °C/W). | Higher surge margin for infrequent but extreme transients (e.g., 1000 V/100 A surges); less suitable for space-constrained layouts. | Choose SMA6J10CA-E3/5A only when system-level testing confirms need for >500 W immunity and board area permits larger footprint. |
Compared with SMA5J10CA-E3/5A, the M3/5A offers identical protection performance with halogen-free materials, while SMA6J10CA-E3/5A trades minor thermal efficiency for +20 % peak power headroom - making SMA5J10CA-E3/5A optimal for cost-sensitive, space-constrained 500 W applications with standard RoHS requirements.
Availability
SMA5J10CA-E3/5A is available at Aetrix Electronics and suitable for automotive sensor protection, industrial I/O interface, and telecom line interface applications requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for SMA5J10CA-E3/5A 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 reliability, power density, and automotive-grade qualification.
The SMA5J series is engineered for high-power-density transient suppression in harsh environments, targeting automotive, industrial, and communications systems where compact size, repeatable clamping, and AEC-Q101 readiness are critical.
FAQ
What is the polarity configuration of SMA5J10CA-E3/5A?
The SMA5J10CA-E3/5A is a bidirectional TVS diode with symmetrical terminal construction - neither end is marked as anode or cathode. This allows it to suppress both positive and negative transients equally without regard to orientation during PCB placement, simplifying layout and eliminating polarity-check steps in automated assembly.
Does SMA5J10CA-E3/5A meet automotive qualification standards?
The SMA5J10CA-E3/5A itself is not AEC-Q101 qualified, but it shares identical die, package, and process with the AEC-Q101-qualified SMA5J10CAHE3_A/I variant. Vishay's documentation confirms that HE3/HM3 suffixes denote AEC-Q101 qualification; E3/5A is the commercial-grade version of the same device family.
What is the maximum clamping voltage of SMA5J10CA-E3/5A under surge conditions?
The SMA5J10CA-E3/5A has a maximum clamping voltage (VC) of 17.0 V when subjected to its rated peak pulse current of 29.4 A using the standard 10/1000 µs waveform. This value is guaranteed across the full operating temperature range and forms the basis for downstream component voltage margining.
Can SMA5J10CA-E3/5A be used in place of unidirectional TVS diodes like SMA5J10A-E3/5A?
No - SMA5J10CA-E3/5A is strictly bidirectional and cannot replace unidirectional types such as SMA5J10A-E3/5A in circuits requiring forward conduction or DC blocking in one direction. Substitution would compromise functionality in applications like DC power rail protection where polarity-specific clamping is required.
What PCB pad layout is recommended for optimal thermal and surge performance of SMA5J10CA-E3/5A?
Vishay specifies mounting SMA5J10CA-E3/5A on 0.2" x 0.2" (5.0 mm x 5.0 mm) copper pads per terminal to achieve rated 500 W pulse power. Smaller pads reduce heat dissipation and cause premature thermal runaway during repeated surges; adherence to this layout ensures full specification compliance per Figure 2 derating curves.
SMA5J10CA-E3/5A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AC, SMA
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 10V
- Voltage - Breakdown (Min):
- 11.1V
- Voltage - Clamping (Max) @ Ipp:
- 17V
- Current - Peak Pulse (10/1000µs):
- 29.4A
- Power - Peak Pulse:
- 500W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
SMA5J10CA-E3/5A FAQ
1.How can I place an order for SMA5J10CA-E3/5A through Aetrix?
Please submit a Request for Quotation (RFQ) for SMA5J10CA-E3/5A 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 SMA5J10CA-E3/5A reliable?
The price and inventory of SMA5J10CA-E3/5A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMA5J10CA-E3/5A is usually 5 days.
3.What payment methods are accepted for SMA5J10CA-E3/5A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMA5J10CA-E3/5A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMA5J10CA-E3/5A?
SMA5J10CA-E3/5A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMA5J10CA-E3/5A 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 SMA5J10CA-E3/5A?
For technical support, including SMA5J10CA-E3/5A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMA5J10CA-E3/5A requirements.
6.How does Aetrix verify that SMA5J10CA-E3/5A is sourced from the original manufacturer or authorized distributors?
All SMA5J10CA-E3/5A 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 SMA5J10CA-E3/5A meets industry standards.
7.What is the process for return or replacement of SMA5J10CA-E3/5A?
All SMA5J10CA-E3/5A units undergo pre-shipment inspection (PSI). If there is an issue with SMA5J10CA-E3/5A, 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 SMA5J10CA-E3/5A part is unused and in its original packaging.
Return procedure for SMA5J10CA-E3/5A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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