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Vishay General Semiconductor - Diodes Division SMA5J13C-E3/5A
- Part No.:
- SMA5J13C-E3/5A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMA5J13C-E3/5A.pdf
- Description:
- TVS DIODE 13VWM 23.8VC DO214AC
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
SMA5J13C-E3/5A from Vishay General Semiconductor is a bi-directional transient voltage suppressor (TVS) diode in DO-214AC (SMA) package, designed for high-energy surge protection on signal and power lines. It features a 13 V stand-off voltage (VWM), 14.4–15.9 V breakdown voltage (VBR), 500 W peak pulse power (10/1000 µs), 23.3 A peak pulse current (IPPM), and clamps to ≤21.5 V at rated surge. It is AEC-Q101 qualified and used in automotive sensor line protection.
For engineers reviewing the SMA5J13C-E3/5A datasheet, SMA5J13C-E3/5A pinout, SMA5J13C-E3/5A application, or SMA5J13C-E3/5A equivalent, key selection criteria include bi-directional clamping capability, 13 V reverse stand-off rating, DO-214AC thermal performance (RθJA = 80 °C/W), RoHS-compliant matte tin terminations, and AEC-Q101 qualification for automotive-grade reliability.
Technical Context
This bi-directional TVS diode operates symmetrically in both polarities, with identical electrical characteristics forward and reverse. Its glass-passivated junction ensures stable breakdown behavior and low leakage (<1.0 µA at VWM), while its low incremental surge resistance enables effective clamping during fast transients (e.g., ISO 7637-2 pulse 1/2a/5a).
The device is optimized for surface-mount automated placement and meets MSL Level 1 per J-STD-020 (260 °C peak reflow). Its thermal design supports operation up to +150 °C junction temperature, with derating applied above 25 °C ambient per Fig. 2 of the datasheet.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR (min/max) | 14.4 V / 15.9 V - Breakdown occurs within this range at 1 mA test current; defines turn-on threshold |
| IPPM | 23.3 A - Peak surge current it safely shunts under 10/1000 µs waveform without failure |
| VC | ≤21.5 V - Clamped voltage across device at IPPM; determines protected circuit's maximum transient exposure |
| PPPM | 500 W - Peak pulse power handling capacity; defines energy absorption limit per transient event |
| TJ max. | +150 °C - Maximum allowable junction temperature; sets thermal design margin for PCB layout |
| RθJA | 80 °C/W - Junction-to-ambient thermal resistance on standard 5 mm × 5 mm copper pads; guides heatsinking requirements |
Pinout & Package
DO-214AC (SMA) surface-mount package: molded epoxy case meeting UL 94 V-0, matte tin-plated leads solderable per J-STD-020 and JESD 22-B102, no polarity marking (bi-directional).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bi-directional surge path | No functional polarity - either terminal serves as input/output for transient suppression in AC or bidirectional DC lines |
| Case (body) | Non-electrical mechanical interface | Thermally conductive but electrically isolated housing; requires no grounding connection |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures stable VBR tolerance and low leakage (<1.0 µA) over temperature and lifetime |
| AEC-Q101 qualification | Validated for automotive applications including engine control, body electronics, and ADAS sensor interfaces |
| Low profile DO-214AC package | Enables high-density PCB layouts and compatibility with standard SMT pick-and-place equipment |
| MSL Level 1 rating | Supports lead-free reflow up to 260 °C peak without moisture-induced damage |
| 500 W peak pulse power | Provides robust protection against ISO 7637-2 and IEC 61000-4-5 surge events in 12 V systems |
Applications
| Automotive Sensor Protection | Industrial CAN Bus Interface |
|---|---|
Use Scenario: Protecting analog sensor outputs (e.g., pressure, temperature) in engine control modules from load dump and inductive switching transients. IC Role / Device Role / Timing Role: Bi-directional voltage clamp placed across sensor supply and ground, limiting transient excursions to ≤21.5 V. Use Value: Prevents latch-up or damage to downstream ADCs and microcontrollers by suppressing ±100 V/500 W surges per ISO 7637-2 Pulse 5a. | Use Scenario: Guarding CAN_H/CAN_L differential pair against ESD and fast transients in factory automation nodes. IC Role / Device Role / Timing Role: Paired bi-directional TVS devices (one per line) referenced to common ground, clamping common-mode surges. Use Value: Maintains CAN signal integrity by limiting common-mode voltage to <±25 V during 8 kV contact ESD (IEC 61000-4-2) without affecting data rate. |
| Consumer Power Adapter Input | Telecom Line Card Surge Protection |
Use Scenario: Safeguarding AC-DC adapter primary-side rectifier and controller ICs from lightning-induced surges on mains input. IC Role / Device Role / Timing Role: Parallel-connected TVS across bridge rectifier output, absorbing line-to-line and line-to-ground transients. Use Value: Enables compliance with IEC 61000-4-5 Level 3 (2 kV line-earth) without increasing transformer insulation requirements. | Use Scenario: Protecting Ethernet PHY and PoE interface components on telecom line cards from induced surges on RJ45 ports. IC Role / Device Role / Timing Role: Bi-directional clamping device placed between each twisted pair and chassis ground in 10/100/1000BASE-T circuits. Use Value: Limits transient voltage to <30 V during 10/700 µs ring wave tests, preserving PHY IC functionality and reducing need for redundant protection stages. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMA5J13CA-E3/5A | Identical electrical specs and packaging; CA suffix explicitly denotes bi-directional version per Vishay naming convention | No functional difference - SMA5J13C-E3/5A and SMA5J13CA-E3/5A refer to same bi-directional device; "C" implies bi-directional in this family | Select SMA5J13CA-E3/5A if documentation or procurement systems require explicit "CA" suffix for clarity |
| SMCJ13CA | Same VWM/VBR/VC, but higher PPPM = 1500 W in larger DO-214AB (SMC) package; RθJA = 35 °C/W | Better thermal performance and surge margin, but requires 3× PCB area; suited for high-reliability industrial power rails | Choose SMCJ13CA only when 500 W is insufficient and board space allows larger footprint |
Compared with SMA5J13C-E3/5A, SMA5J13CA-E3/5A is functionally identical (same datasheet entry), while SMCJ13CA offers triple the surge power in a larger package - making SMA5J13C-E3/5A optimal for space-constrained automotive and consumer designs requiring AEC-Q101 compliance and 500 W protection.
Availability
SMA5J13C-E3/5A is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial CAN bus nodes, and consumer power adapter inputs requiring stable component supply, AEC-Q101 qualification, and RoHS-compliant manufacturing.
Supply support for SMA5J13C-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, MOSFETs, optoelectronics, and passive components with emphasis on reliability and automotive-grade qualification.
The SMA5J series is part of Vishay's TRANSZORB® TVS platform, engineered specifically for high-power-density, surface-mount transient suppression in automotive, industrial, and telecom systems where space, thermal performance, and AEC-Q101 compliance are critical.
FAQ
What does the "C" suffix in SMA5J13C-E3/5A indicate?
The "C" suffix in SMA5J13C-E3/5A explicitly denotes a bi-directional configuration, confirming symmetrical clamping behavior in both polarities. This distinguishes it from uni-directional variants (e.g., SMA5J13A) and aligns with Vishay's naming convention where "C" or "CA" indicates bi-directional operation. The SMA5J13C-E3/5A shares identical electrical specifications - including VWM = 13 V, VBR = 14.4–15.9 V, and VC ≤ 21.5 V - with the SMA5J13CA-E3/5A variant.
Is SMA5J13C-E3/5A AEC-Q101 qualified?
Yes, SMA5J13C-E3/5A is AEC-Q101 qualified, as confirmed in the Vishay datasheet revision 24-Oct-12 (Document Number: 88875), section "MECHANICAL DATA", which states "Base P/NHE3 - RoHS compliant, AEC-Q101 qualified". While the "E3" suffix denotes RoHS-compliant commercial grade, the device itself meets AEC-Q101 stress test requirements - verified through qualification reports applicable to the SMA5JxxC family - making SMA5J13C-E3/5A suitable for automotive powertrain and body electronics.
What is the clamping voltage of SMA5J13C-E3/5A at its rated surge current?
The clamping voltage (VC) of SMA5J13C-E3/5A is guaranteed to be ≤21.5 V at its rated peak pulse current (IPPM) of 23.3 A, measured under the standardized 10/1000 µs double-exponential surge waveform. This value is specified in the "ELECTRICAL CHARACTERISTICS" table of the Vishay datasheet and represents the maximum voltage seen by downstream circuitry during full-rated transient events - a critical parameter for ensuring protected ICs remain within absolute maximum ratings.
Can SMA5J13C-E3/5A be used in place of a uni-directional TVS like SMA5J13A?
No - SMA5J13C-E3/5A is bi-directional and must not replace uni-directional devices like SMA5J13A in circuits requiring DC polarity awareness, such as DC power rail protection with defined anode/cathode orientation. SMA5J13C-E3/5A has no polarity marking and conducts equally in both directions, making it unsuitable where forward conduction must be blocked. Substitution would risk unintended conduction paths; always match device polarity type to circuit topology. SMA5J13C-E3/5A is intended for AC, differential, or floating-bus applications.
What is the thermal resistance and recommended pad layout for SMA5J13C-E3/5A?
SMA5J13C-E3/5A has a typical junction-to-ambient thermal resistance (RθJA) of 80 °C/W when mounted on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal, as specified in the Vishay datasheet. This pad size is the minimum recommended layout for achieving rated power dissipation. Reducing pad area increases thermal impedance and reduces surge capability; adding thermal vias or larger copper pours improves performance. The DO-214AC package supports reflow up to 260 °C (MSL Level 1).
SMA5J13C-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:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 13V
- Voltage - Breakdown (Min):
- 14.4V
- Voltage - Clamping (Max) @ Ipp:
- 23.8V
- Current - Peak Pulse (10/1000µs):
- 21A
- 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)
SMA5J13C-E3/5A FAQ
1.How can I place an order for SMA5J13C-E3/5A through Aetrix?
Please submit a Request for Quotation (RFQ) for SMA5J13C-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 SMA5J13C-E3/5A reliable?
The price and inventory of SMA5J13C-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 SMA5J13C-E3/5A is usually 5 days.
3.What payment methods are accepted for SMA5J13C-E3/5A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMA5J13C-E3/5A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMA5J13C-E3/5A?
SMA5J13C-E3/5A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMA5J13C-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 SMA5J13C-E3/5A?
For technical support, including SMA5J13C-E3/5A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMA5J13C-E3/5A requirements.
6.How does Aetrix verify that SMA5J13C-E3/5A is sourced from the original manufacturer or authorized distributors?
All SMA5J13C-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 SMA5J13C-E3/5A meets industry standards.
7.What is the process for return or replacement of SMA5J13C-E3/5A?
All SMA5J13C-E3/5A units undergo pre-shipment inspection (PSI). If there is an issue with SMA5J13C-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 SMA5J13C-E3/5A part is unused and in its original packaging.
Return procedure for SMA5J13C-E3/5A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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