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Vishay General Semiconductor - Diodes Division SMA5J10-E3/5A
- Part No.:
- SMA5J10-E3/5A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMA5J10-E3/5A.pdf
- Description:
- TVS DIODE 10VWM 18.8VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:3,734
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Product details
Overview
SMA5J10-E3/5A from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in DO-214AC (SMA) package, designed for high-energy surge protection on power and signal lines. It features a 10 V stand-off voltage (VWM), 11.1–12.3 V breakdown voltage (VBR), 17.0 V clamping voltage at 29.4 A peak pulse current (IPPM), and 500 W peak pulse power (PPPM) with 10/1000 µs waveform. Used to protect MOSFETs, ICs, and sensor interfaces in automotive and industrial power supplies.
For engineers reviewing the SMA5J10-E3/5A datasheet, SMA5J10-E3/5A pinout, SMA5J10-E3/5A application, or SMA5J10-E3/5A equivalent, key selection criteria include unidirectional polarity, 150 °C max junction temperature, AEC-Q101 qualification (via HE3 variant), RoHS-compliant matte tin plating, and MSL Level 1 moisture sensitivity rating.
Technical Context
This TVS diode operates as a clamping device that remains non-conductive below VWM = 10 V and rapidly avalanches above VBR (min 11.1 V) to limit transient overvoltages. Its low incremental surge resistance and fast response time ensure effective suppression of inductive switching spikes and ESD events.
The device is rated for 500 W peak pulse power under standardized 10/1000 µs waveform conditions, with thermal resistance RθJA = 80 °C/W and RθJL = 25 °C/W, enabling reliable operation up to TJ = 150 °C when mounted per recommended 5.0 mm × 5.0 mm copper pad layout.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 10 V - Maximum reverse voltage before significant leakage; defines operating window for protected circuit. |
| VBR (min/max) | 11.1 V / 12.3 V - Breakdown threshold range at 1 mA test current; ensures consistent avalanche initiation. |
| VC @ IPPM | 17.0 V - Clamped voltage at 29.4 A peak pulse current; determines maximum stress on downstream components. |
| PPPM | 500 W - Peak pulse power handling with 10/1000 µs waveform; quantifies single-event surge robustness. |
| TJ max. | +150 °C - Maximum junction temperature; sets thermal derating boundary for continuous operation. |
| Polarity | Unidirectional - Cathode marked with band; blocks forward conduction, conducts only during reverse overvoltage. |
| Package | DO-214AC (SMA) - Surface-mount plastic package with 2.54 mm lead pitch; compatible with automated placement and reflow. |
Pinout & Package
DO-214AC (SMA) package: molded plastic case with two axial leads, cathode indicated by a band on one end. Dimensions: 4.93 mm × 2.92 mm × 2.29 mm (L × W × H); meets UL 94 V-0 flammability rating. Matte tin-plated leads comply with J-STD-002 and JESD 22-B102 solderability standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to lower-potential side (e.g., ground or return path) in unidirectional clamp configuration. |
| Cathode (banded end) | Avalanche conduction terminal | Connected to protected line; conducts reverse surge current to anode when VLINE exceeds VBR. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated chip junction | Ensures stable VBR tolerance and long-term reliability under repeated surge stress without degradation. |
| AEC-Q101 qualified (HE3 variant) | Validated for automotive-grade reliability including temperature cycling, humidity bias, and mechanical shock testing. |
| MSL Level 1 (260 °C peak) | Enables standard lead-free reflow assembly without preconditioning or baking requirements. |
| Low incremental surge resistance | Minimizes voltage overshoot during fast transients, improving clamping precision for sensitive IC inputs. |
| 500 W peak pulse power | Supports IEC 61000-4-5 Level 4 (4 kV) surge immunity in properly designed front-end circuits. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Suppresses load-dump transients (up to 35 V, 100 ms) on 12 V battery-fed ECUs and body control modules. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and ground, clamping surges before they reach LDOs and microcontrollers. Use Value: Prevents latch-up or permanent damage to 5 V/3.3 V logic rails by limiting peak voltage to ≤17.0 V during 29.4 A surge events. | Use Scenario: Shields analog sensor outputs (e.g., pressure, temperature) from ESD and inductive kickback in factory automation systems. IC Role / Device Role / Timing Role: Placed across differential or single-ended signal lines to shunt fast transients (<1 ns rise time) to ground. Use Value: Maintains signal integrity below 100 mV disturbance threshold while surviving ±8 kV contact ESD per IEC 61000-4-2. |
| DC-DC Converter Input Protection | MOSFET Gate Driver Protection |
Use Scenario: Protects buck converter input stages against voltage reversals and switching noise from upstream power sources. IC Role / Device Role / Timing Role: Mounted at converter input capacitor node to clamp negative excursions and positive spikes simultaneously via unidirectional configuration. Use Value: Enables stable operation under cold-crank (4.5 V) and load-dump (35 V) conditions without derating converter efficiency. | Use Scenario: Guards high-side N-channel MOSFET gate drivers against shoot-through-inducing voltage spikes during bridge switching. IC Role / Device Role / Timing Role: Connected from gate-to-source to clamp Miller-induced overshoot exceeding VGS(max) rating. Use Value: Limits gate voltage excursion to ≤17.0 V, preventing oxide breakdown and ensuring <10 ns response to 1 kV/µs transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMA5J10A-E3/61 | Same electrical specs; differs only in packaging - 1800-piece 7" tape vs. 7500-piece 13" tape (5A). | No functional difference; suited for low-volume prototyping or small-batch SMT lines with 7" reel feeders. | Select based on production volume and pick-and-place equipment compatibility. |
| SMA5J10AHE3/5A | Identical form, fit, and function but qualified to AEC-Q101; includes enhanced process controls and extended reliability testing. | Required for automotive OEM designs where component-level qualification is mandated; not needed for commercial/industrial use. | Choose SMA5J10AHE3/5A only when AEC-Q101 compliance is contractually required. |
Compared with SMA5J10-E3/5A, SMA5J10A-E3/61 offers identical protection performance in smaller reels for flexibility, while SMA5J10AHE3/5A adds automotive-grade validation without altering clamping behavior - both retain the same DO-214AC footprint and 17.0 V VC specification.
Availability
SMA5J10-E3/5A is available at Aetrix Electronics and suitable for automotive power rail protection, industrial sensor interface protection, and DC-DC converter input protection requiring stable component supply across high-volume manufacturing cycles.
Supply support for SMA5J10-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 high-reliability, high-power-density solutions.
The SMA5J series is part of Vishay's TRANSZORB® TVS platform, engineered specifically for robust transient suppression in harsh environments including automotive, industrial, and telecom infrastructure.
FAQ
What is the clamping voltage of the SMA5J10-E3/5A under maximum surge conditions?
The SMA5J10-E3/5A has a maximum clamping voltage (VC) of 17.0 V at its rated peak pulse current (IPPM) of 29.4 A, measured using the standardized 10/1000 µs waveform. This value is guaranteed across the full operating temperature range and defines the upper voltage limit imposed on protected circuitry during surge events. The SMA5J10-E3/5A maintains this clamping performance due to its low incremental surge resistance and stable avalanche characteristics.
Is the SMA5J10-E3/5A suitable for automotive applications?
The SMA5J10-E3/5A is RoHS-compliant and manufactured to commercial-grade specifications. For automotive use, Vishay offers the functionally identical SMA5J10AHE3/5A variant, which is AEC-Q101 qualified. While the SMA5J10-E3/5A shares the same electrical and mechanical properties, it lacks the extended reliability testing required for automotive OEM deployment. Therefore, SMA5J10-E3/5A is appropriate for non-automotive industrial or consumer systems, but not for safety-critical vehicle subsystems.
What does the "E3/5A" suffix mean in SMA5J10-E3/5A?
The "E3" suffix indicates RoHS-compliant, commercial-grade construction with matte tin-plated leads meeting JESD 201 Class 1A whisker resistance. The "5A" denotes the packaging format: 7500 pieces per 13-inch diameter plastic tape-and-reel, optimized for high-volume SMT assembly. This differs from "61", which specifies 1800 pieces per 7-inch reel. The SMA5J10-E3/5A is fully compatible with standard SMA footprint layouts and reflow profiles.
How does the SMA5J10-E3/5A compare to bi-directional TVS diodes like SMA5J10CA?
The SMA5J10-E3/5A is unidirectional and conducts only in reverse bias, making it ideal for DC power line protection where polarity is fixed. In contrast, SMA5J10CA is bi-directional and symmetric, suitable for AC lines or data signals with bidirectional voltage swings. Their VWM (10 V), PPPM (500 W), and VC (17.0 V) are identical, but SMA5J10-E3/5A exhibits forward voltage drop (~3.5 V at 25 A), whereas SMA5J10CA does not conduct forward at all. Select SMA5J10-E3/5A for polarized DC rails.
What thermal derating applies to the SMA5J10-E3/5A above 25 °C ambient?
The SMA5J10-E3/5A must be derated linearly above TA = 25 °C per Figure 2 in the Vishay datasheet (Doc. #88875), with peak pulse power decreasing by approximately 0.625% per °C rise. At 85 °C ambient, its PPPM drops to ~312 W. This derating stems from its RθJA = 80 °C/W and maximum TJ = 150 °C rating. Proper PCB copper pad area (5.0 mm × 5.0 mm per terminal) is essential to maintain thermal performance. The SMA5J10-E3/5A datasheet provides exact derating curves for precise design margining.
SMA5J10-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:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 10V
- Voltage - Breakdown (Min):
- 11.1V
- Voltage - Clamping (Max) @ Ipp:
- 18.8V
- Current - Peak Pulse (10/1000µs):
- 26.6A
- 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)
SMA5J10-E3/5A FAQ
1.How can I place an order for SMA5J10-E3/5A through Aetrix?
Please submit a Request for Quotation (RFQ) for SMA5J10-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 SMA5J10-E3/5A reliable?
The price and inventory of SMA5J10-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 SMA5J10-E3/5A is usually 5 days.
3.What payment methods are accepted for SMA5J10-E3/5A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMA5J10-E3/5A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMA5J10-E3/5A?
SMA5J10-E3/5A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMA5J10-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 SMA5J10-E3/5A?
For technical support, including SMA5J10-E3/5A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMA5J10-E3/5A requirements.
6.How does Aetrix verify that SMA5J10-E3/5A is sourced from the original manufacturer or authorized distributors?
All SMA5J10-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 SMA5J10-E3/5A meets industry standards.
7.What is the process for return or replacement of SMA5J10-E3/5A?
All SMA5J10-E3/5A units undergo pre-shipment inspection (PSI). If there is an issue with SMA5J10-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 SMA5J10-E3/5A part is unused and in its original packaging.
Return procedure for SMA5J10-E3/5A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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