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Vishay General Semiconductor - Diodes Division SMCJ13CAHE3_A/I
- Part No.:
- SMCJ13CAHE3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ13CAHE3_A/I.pdf
- Description:
- TVS DIODE 13VWM 21.5VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:2,621
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Product details
Overview
SMCJ13CAHE3_A/I from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMC (DO-214AB) package, designed for clamping voltage transients up to 1500 W peak pulse power with 21.5 V maximum clamping voltage at 69.8 A IPPM, 13 V standoff voltage, and -55 °C to +150 °C operating temperature range - used to protect automotive sensor signal lines, industrial I/O ports, and DC power rails.
For engineers reviewing the SMCJ13CAHE3_A/I datasheet, SMCJ13CAHE3_A/I pinout, SMCJ13CAHE3_A/I application, or SMCJ13CAHE3_A/I equivalent, key selection criteria include bidirectional clamping capability, AEC-Q101 qualification, 1500 W PPPM rating, 13 V VWM, and SMC package compatibility with automated placement and high-reliability PCB layouts.
Technical Context
This bidirectional TVS diode operates symmetrically in both polarities, delivering consistent clamping performance across positive and negative transients without polarity marking. Its glass-passivated junction ensures stable breakdown behavior under repetitive surge stress, while low incremental surge resistance enables effective energy diversion during 10/1000 µs waveform events.
The device meets MSL Level 1 per J-STD-020 with 260 °C peak reflow tolerance and is qualified to AEC-Q101 for automotive applications. Thermal resistance of 75 °C/W (junction-to-ambient) and 15 °C/W (junction-to-lead) supports reliable operation under sustained transient loads when mounted on recommended 8.0 mm × 8.0 mm copper pads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13 V - Maximum continuous reverse working voltage before clamping initiates; defines safe operating margin for 12 V nominal systems. |
| VBR min/max | 14.4 V / 15.9 V at 1.0 mA - Verified breakdown voltage range ensuring predictable turn-on threshold under ESD or surge conditions. |
| VC @ IPPM | 21.5 V at 69.8 A - Clamped voltage during 1500 W 10/1000 µs surge; determines protected circuit's maximum transient exposure level. |
| PPPM | 1500 W - Peak pulse power handling capacity; enables robust protection against ISO 7637-2 Pulse 1/2a/5a and IEC 61000-4-5 surges. |
| TJ max | +150 °C - Maximum junction temperature; supports operation in under-hood automotive environments and industrial enclosures. |
| Package | SMC (DO-214AB) - Standardized surface-mount outline with 7.75 mm × 6.22 mm footprint and 2.62 mm height; compatible with pick-and-place and reflow assembly. |
Pinout & Package
SMCJ13CAHE3_A/I uses a 2-terminal SMC (DO-214AB) package with no polarity marking due to bidirectional functionality. Terminals are matte tin-plated leads solderable per J-STD-002 and JESD 22-B102, rated for JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bidirectional surge path | Either terminal serves as current entry/exit point depending on transient polarity; no cathode band or marking required. |
| Case | Thermal conduction path | Exposed metal slug provides primary thermal dissipation route to PCB copper; requires minimum 8.0 mm × 8.0 mm pad per terminal per datasheet fig. 2. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, humidity bias, and surge endurance per AEC test plan. |
| 1500 W peak pulse power | Handles high-energy transients such as load dump (ISO 7637-2 Pulse 5a) without degradation when properly mounted. |
| Low clamping ratio (VC/VBR ≈ 1.45) | Minimizes overvoltage stress on downstream ICs by tightly constraining clamped voltage relative to breakdown threshold. |
| MSL Level 1 moisture sensitivity | Enables standard SMT reflow without dry-bag storage or baking, reducing manufacturing overhead and handling risk. |
Applications
| Automotive Sensor Protection | Industrial I/O Port Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor outputs (e.g., pressure, temperature) from ESD and inductive switching noise in engine control units. IC Role / Device Role / Timing Role: Bidirectional voltage clamp placed between signal line and ground, absorbing transients before they reach sensitive input stages. Use Value: Maintains signal integrity under ISO 10605 ±30 kV contact discharge and prevents latch-up or damage to 3.3 V/5 V interface ICs. | Use Scenario: Safeguarding programmable logic controller (PLC) digital input channels connected to 24 V DC field wiring exposed to relay coil flyback and lightning-induced surges. IC Role / Device Role / Timing Role: Primary transient suppression element installed at connector entry point, shunting surge energy directly to chassis ground. Use Value: Enables compliance with IEC 61000-4-4 (EFT) and IEC 61000-4-5 (surge) immunity requirements up to 2 kV line-to-ground. |
| DC Power Rail Protection | Telecom Interface Protection |
Use Scenario: Guarding 12 V supply rails feeding microcontrollers and communication modules in telematics and ADAS subsystems. IC Role / Device Role / Timing Role: Parallel-connected TVS across VCC and GND to clamp load-dump transients (ISO 7637-2 Pulse 5a) and alternator overshoot. Use Value: Limits rail voltage excursion to ≤21.5 V during 1500 W surges, preventing overvoltage shutdown or permanent damage to downstream regulators. | Use Scenario: Shielding RS-485 transceiver data lines in base station backhaul equipment from induced surges on long outdoor cable runs. IC Role / Device Role / Timing Role: Differential-mode TVS pair (one per line) referenced to common ground, suppressing common-mode and asymmetrical transients. Use Value: Preserves data integrity during IEC 61000-4-5 4 kV surge tests while maintaining <10 pF junction capacitance to avoid signal distortion at 10 Mbps. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SAC13CA | Lower PPPM (600 W), same VWM (13 V), SOD-123FL package (smaller footprint, higher RθJA) | Targeted at space-constrained consumer electronics; insufficient for automotive load-dump duty cycle. | Select only for low-energy ESD-only protection where board area is critical and surge repetition is infrequent. |
| 1.5KE13CA | Higher PPPM (1500 W), axial-leaded DO-201 package, slower response due to lead inductance | Legacy through-hole designs; unsuitable for high-speed automated assembly or high-frequency transient suppression. | Choose only for prototyping or repair of legacy boards; not recommended for new SMT designs requiring AEC-Q101 compliance. |
Compared with SAC13CA and 1.5KE13CA, SMCJ13CAHE3_A/I uniquely combines AEC-Q101 qualification, SMC package manufacturability, and full 1500 W surge capability - making it the preferred choice for production automotive and industrial SMT applications demanding reliability, repeatability, and high-energy clamping.
Availability
SMCJ13CAHE3_A/I is available at Aetrix Electronics and suitable for automotive sensor protection, industrial I/O port hardening, and DC power rail safeguarding requiring stable component supply across multi-year production cycles.
Supply support for SMCJ13CAHE3_A/I 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, automotive-qualified components.
The SMCJ series is part of Vishay's TRANSZORB® TVS platform engineered specifically for high-power transient suppression in harsh environments - targeting automotive, industrial, and telecom infrastructure applications demanding AEC-Q101 validation and repeatable surge performance.
FAQ
What does the "CA" suffix indicate in SMCJ13CAHE3_A/I?
The "CA" suffix in SMCJ13CAHE3_A/I denotes a bidirectional configuration, meaning the device clamps voltage transients equally in both polarities without polarity marking. This distinguishes it from unidirectional variants (e.g., SMCJ13A), which require correct cathode orientation and exhibit forward conduction behavior. SMCJ13CAHE3_A/I is therefore ideal for AC-coupled or differential signal lines where polarity reversal may occur.
Is SMCJ13CAHE3_A/I qualified for automotive use?
Yes, SMCJ13CAHE3_A/I is AEC-Q101 qualified, as confirmed by Vishay's ordering code structure ("HE3" suffix) and documentation reference to AEC-Q101 testing in the datasheet. This qualification covers stress tests including temperature cycling, high-temperature operating life, and surge endurance - validating its suitability for under-hood and body-control module applications in passenger vehicles and commercial vehicles.
What is the maximum clamping voltage of SMCJ13CAHE3_A/I and how is it measured?
The maximum clamping voltage (VC) of SMCJ13CAHE3_A/I is 21.5 V, measured at 69.8 A peak pulse current (IPPM) using a standardized 10/1000 µs double-exponential surge waveform. This value is guaranteed across the full operating temperature range and reflects the highest voltage seen across the device terminals during worst-case transient events, directly defining the overvoltage stress imposed on protected circuitry.
Does SMCJ13CAHE3_A/I require a heatsink for normal operation?
No external heatsink is required for SMCJ13CAHE3_A/I under typical transient conditions, as its thermal design relies on PCB copper pads (minimum 8.0 mm × 8.0 mm per terminal) to dissipate surge energy. The device's RθJA of 75 °C/W assumes this mounting condition; exceeding single-pulse energy limits or applying repetitive surges without adequate copper area may cause junction temperature to exceed 150 °C, risking parametric shift or failure.
How does the SMC (DO-214AB) package of SMCJ13CAHE3_A/I compare to SMA or SMB alternatives?
The SMC (DO-214AB) package of SMCJ13CAHE3_A/I offers higher power handling (1500 W PPPM) than SMA (DO-214AC, ~400 W) or SMB (DO-214AA, ~600 W) equivalents due to larger die area and enhanced thermal path via the exposed metal slug. Its 7.75 mm × 6.22 mm footprint supports robust mechanical anchoring and superior heat spreading - critical for automotive and industrial applications where surge repetition and ambient temperature extremes are routine.
SMCJ13CAHE3_A/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 13V
- Voltage - Breakdown (Min):
- 14.4V
- Voltage - Clamping (Max) @ Ipp:
- 21.5V
- Current - Peak Pulse (10/1000µs):
- 69.8A
- Power - Peak Pulse:
- 1500W (1.5kW)
- 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-214AB (SMCJ)
SMCJ13CAHE3_A/I FAQ
1.How can I place an order for SMCJ13CAHE3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ13CAHE3_A/I 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 SMCJ13CAHE3_A/I reliable?
The price and inventory of SMCJ13CAHE3_A/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ13CAHE3_A/I is usually 5 days.
3.What payment methods are accepted for SMCJ13CAHE3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ13CAHE3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ13CAHE3_A/I?
SMCJ13CAHE3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ13CAHE3_A/I 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 SMCJ13CAHE3_A/I?
For technical support, including SMCJ13CAHE3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ13CAHE3_A/I requirements.
6.How does Aetrix verify that SMCJ13CAHE3_A/I is sourced from the original manufacturer or authorized distributors?
All SMCJ13CAHE3_A/I 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 SMCJ13CAHE3_A/I meets industry standards.
7.What is the process for return or replacement of SMCJ13CAHE3_A/I?
All SMCJ13CAHE3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ13CAHE3_A/I, 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 SMCJ13CAHE3_A/I part is unused and in its original packaging.
Return procedure for SMCJ13CAHE3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ13CAHE3_A/I Tags
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