Vishay 6DFN13CA-M3/I
- Part No.:
- 6DFN13CA-M3/I
- Manufacturer:
- Vishay
- Category:
- TVS Diodes
- Package:
- 2-VDFN
- Datasheet:
-
6DFN13CA-M3/I.pdf
- Description:
- 600W,13V 5%, DFN3820A BIDIR TVS
- Quantity:
- Payment:

- Shipping:

Inventory:14,000
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Product details
Overview
6DFN13CA-M3/I from Vishay General Semiconductor is a bidirectional surface-mount TRANSZORB® transient voltage suppressor in DFN3820A package, with 13.0 V nominal breakdown voltage (VBR), 11.1 V stand-off voltage (VWM), 600 W peak pulse power (10/1000 μs), and 33.0 A peak pulse current (IPPM). It protects sensitive signal lines in sensor units and MOSFET gate drivers against lightning-induced transients and inductive switching surges.
For engineers reviewing the 6DFN13CA-M3/I datasheet, 6DFN13CA-M3/I pinout, 6DFN13CA-M3/I application, or 6DFN13CA-M3/I equivalent, key selection criteria include clamping voltage (18.2 V at IPPM), low-profile side-wettable DFN3820A footprint for AOI compatibility, bidirectional polarity, and industrial-grade M3 qualification (halogen-free, RoHS-compliant, JESD201 Class 2 whisker tested).
Technical Context
This device uses passivated anisotropic rectifier technology to deliver stable bidirectional clamping with no cathode band marking. Its junction passivation enables reliable operation up to 175 °C maximum junction temperature and meets MSL Level 1 per J-STD-020 at 260 °C peak reflow.
The DFN3820A package provides low thermal resistance (RθJM = 5 °C/W typ.) and high surge immunity-30 kV ESD per IEC 61000-4-2 (contact and air discharge). It is mechanically compatible with SMP (DO-220AA) outline but offers lower profile (0.88 mm typical height) and side-wettable flanks for automated optical inspection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 12.4 / 13.0 / 13.7 V - ensures reliable conduction onset above system operating voltage while avoiding false triggering |
| VWM | 11.1 V - maximum continuous reverse voltage before leakage exceeds 2 μA, suitable for 12 V rail protection |
| IPPM (10/1000 μs) | 33.0 A - peak surge current capability enabling robust protection against 600 W transient energy |
| VC @ IPPM | 18.2 V - clamping voltage limits downstream IC stress during surge, staying well below typical 20 V absolute max ratings |
| Junction Temp Range | -65 °C to +175 °C - supports operation in harsh industrial and automotive under-hood environments |
| ESD Immunity | 30 kV contact & air discharge (IEC 61000-4-2) - eliminates need for additional ESD stages on exposed interfaces |
| Package | DFN3820A (3.95 × 2.18 × 0.88 mm) - side-wettable flanks enable automated optical inspection and high-yield reflow |
Pinout & Package
DFN3820A is a 2-terminal, single-channel, bidirectional TVS package with no polarity marking. Terminals are matte tin-plated, solderable per J-STD-002 and JESD22-B102, and qualified to JESD201 Class 2 for whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Terminal 1 | Anode/Cathode (bidirectional) | Shared terminal for symmetrical clamping; no polarity distinction required in layout |
| Terminal 2 | Anode/Cathode (bidirectional) | Second shared terminal; forms low-inductance path across protected line and return |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables protection of AC-coupled or floating signal lines without polarity constraints |
| Side-wettable flanks | Supports automated optical inspection (AOI) of solder joints on both top and side surfaces |
| Low-profile height (0.88 mm) | Reduces board stack height and improves mechanical clearance in space-constrained modules |
| M3 material grade | Halogen-free, RoHS-compliant, and JESD201 Class 2 whisker-tested for industrial reliability |
| MSL Level 1 rating | Allows unlimited floor life and standard reflow without baking, simplifying SMT production |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor inputs (e.g., pressure, temperature) from load-dump and ESD events in vehicle ECUs. IC Role / Device Role: Bidirectional transient suppressor placed directly at connector entry point before signal conditioning circuitry. Use Value: Clamps 33.0 A surges to ≤18.2 V, preventing latch-up or damage to 5 V/3.3 V interface ICs while maintaining signal integrity. |
Use Scenario: Safeguarding digital input channels on programmable logic controllers exposed to relay coil flyback and field wiring transients. IC Role / Device Role: Primary overvoltage clamp on 24 V DC input lines, mounted adjacent to terminal block entry. Use Value: Withstands 600 W (10/1000 μs) surges and operates continuously from -65 °C to +175 °C, ensuring uptime in factory-floor environments. |
| Medical Imaging Signal Lines | Telecom Base Station RF Front-End |
|
Use Scenario: Shielding low-noise amplifier inputs and ADC reference paths in portable ultrasound and MRI subsystems from ESD and coupling noise. IC Role / Device Role: Low-capacitance TVS (typ. <100 pF at 0 V) placed inline with differential analog traces. Use Value: 11.1 V VWM avoids loading 12 V bias rails; 18.2 V clamping preserves dynamic range of 16-bit medical data converters. |
Use Scenario: Protecting antenna switch control lines and bias networks in 4G/5G small cell radios from lightning-induced surges on outdoor-facing PCBs. IC Role / Device Role: Secondary protection stage after gas discharge tube (GDT), absorbing residual energy before RF ICs. Use Value: 30 kV IEC 61000-4-2 immunity and DFN3820A's low parasitic inductance minimize ringing and overshoot on fast-switching control signals. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ13A-E3/5AT | DO-214AC (SMA) package; higher RθJA (190 °C/W); 13.3 V VBR; 21.5 V VC @ 25.3 A | Larger footprint (4.5 × 2.7 mm); not side-wettable; requires manual AOI or X-ray for solder joint verification | Choose when legacy SMA layout exists and board height >1.0 mm is acceptable |
| SMCJ13CA | DO-214AB (SMC) package; 13.3 V VBR; 21.5 V VC @ 27.3 A; 1500 W rating | 5.3 × 4.5 mm footprint; higher power handling but incompatible with fine-pitch DFN routing | Prefer for higher-energy surge environments where PCB area permits larger package |
Compared with SMAJ13A-E3/5AT and SMCJ13CA, the 6DFN13CA-M3/I delivers identical voltage thresholds in a 3.95 × 2.18 mm side-wettable DFN, enabling AOI-ready, high-density layouts with superior thermal performance (RθJM = 5 °C/W) and industrial reliability certification.
Availability
6DFN13CA-M3/I is available at Aetrix Electronics and suitable for automotive sensor protection, industrial PLC I/O protection, and medical imaging signal line applications requiring stable component supply, long-term lifecycle support, and consistent M3-grade material compliance.
Supply support for 6DFN13CA-M3/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 designs and manufactures discrete semiconductors including diodes, rectifiers, and transient suppressors, with emphasis on high-reliability, industry-standard packaging and rigorous qualification.
The 6DFN13CA-M3/I belongs to Vishay's TRANSZORB® DFN family, engineered specifically for space-constrained, high-volume industrial and automotive applications demanding AOI-compatible, low-profile TVS protection with guaranteed M3 material compliance.
FAQ
What is the clamping voltage of the 6DFN13CA-M3/I at its rated peak pulse current?
The 6DFN13CA-M3/I has a maximum clamping voltage (VC) of 18.2 V when subjected to its rated peak pulse current of 33.0 A under the standard 10/1000 μs waveform. This value is measured per Figure 3 in the Vishay datasheet (Doc. #98490) and defines the upper voltage limit imposed on protected circuitry during surge events. The 6DFN13CA-M3/I maintains this clamping performance across its full operating temperature range.
Is the 6DFN13CA-M3/I suitable for automotive applications requiring AEC-Q101 qualification?
No, the 6DFN13CA-M3/I is an industrial-grade part (M3 suffix only). For AEC-Q101 qualified versions in the same DFN3820A package, Vishay offers the 6DFN13CA-H series (e.g., 6DFN13CA-H3/I), which includes additional stress testing and traceability. The 6DFN13CA-M3/I meets JESD201 Class 2 whisker requirements and RoHS/halogen-free standards but lacks the full AEC-Q101 qualification scope.
Does the 6DFN13CA-M3/I have polarity markings on its package?
No, the 6DFN13CA-M3/I is a bidirectional TVS and carries no cathode band or polarity marking on the DFN3820A package. Its symmetrical construction allows installation in either orientation across the protected line, simplifying placement and eliminating orientation errors during automated assembly. This is explicitly noted in the "Polarity" section of the Vishay datasheet (Doc. #98490).
What is the thermal resistance from junction to mount (RθJM) for the 6DFN13CA-M3/I?
The 6DFN13CA-M3/I has a typical junction-to-mount thermal resistance (RθJM) of 5 °C/W, measured per JEDEC® 51-14 using the Transient Dual Interface Test Method (TDIM). This low value reflects efficient heat transfer from the silicon die through the exposed thermal pad to the PCB copper, supporting sustained operation at elevated ambient temperatures up to 175 °C junction maximum.
Can the 6DFN13CA-M3/I replace SMAJ13A in an existing design?
The 6DFN13CA-M3/I is not a drop-in replacement for SMAJ13A due to different package types (DFN3820A vs. DO-214AC), pinout geometry, and thermal characteristics. While both share similar electrical parameters (VBR, VC), the 6DFN13CA-M3/I requires PCB redesign for the smaller, leadless footprint and benefits from side-wettable flanks. Layout changes and requalification are necessary before substitution.
6DFN13CA-M3/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay
- Package/Case:
- 2-VDFN
- Series:
- TRANSZORB®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 11.1V
- Voltage - Breakdown (Min):
- 12.4V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 33A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- DFN3820A
6DFN13CA-M3/I FAQ
1.How can I place an order for 6DFN13CA-M3/I through Aetrix?
Please submit a Request for Quotation (RFQ) for 6DFN13CA-M3/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 6DFN13CA-M3/I reliable?
The price and inventory of 6DFN13CA-M3/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 6DFN13CA-M3/I is usually 5 days.
3.What payment methods are accepted for 6DFN13CA-M3/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 6DFN13CA-M3/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 6DFN13CA-M3/I?
6DFN13CA-M3/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 6DFN13CA-M3/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 6DFN13CA-M3/I?
For technical support, including 6DFN13CA-M3/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 6DFN13CA-M3/I requirements.
6.How does Aetrix verify that 6DFN13CA-M3/I is sourced from the original manufacturer or authorized distributors?
All 6DFN13CA-M3/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 6DFN13CA-M3/I meets industry standards.
7.What is the process for return or replacement of 6DFN13CA-M3/I?
All 6DFN13CA-M3/I units undergo pre-shipment inspection (PSI). If there is an issue with 6DFN13CA-M3/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 6DFN13CA-M3/I part is unused and in its original packaging.
Return procedure for 6DFN13CA-M3/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
6DFN13CA-M3/I Tags

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DESD3V3E1BL-7B
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Diodes Incorporated

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Diodes Incorporated

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Diodes Incorporated

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onsemi

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Diodes Incorporated

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Diodes Incorporated

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Nexperia USA Inc.

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Toshiba Semiconductor and Storage

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D5V0L1B2WS-7
Diodes Incorporated
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