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Vishay 6DFN27CA-M3/I
- Part No.:
- 6DFN27CA-M3/I
- Manufacturer:
- Vishay
- Category:
- TVS Diodes
- Package:
- 2-VDFN
- Datasheet:
-
6DFN27CA-M3/I.pdf
- Description:
- 600W,27V 5%, DFN3820A BIDIR TVS
- Quantity:
- Payment:
- Shipping:
Inventory:13,980
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Product details
Overview
6DFN27CA-M3/I from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode in DFN3820A package, with 27.0 V nominal breakdown voltage (VBR), 23.1 V stand-off voltage (VWM), 37.5 V maximum clamping voltage (VC) at 16.0 A peak pulse current, and 600 W peak pulse power rating (10/1000 μs). It protects signal lines in sensor units and MOSFET gate drivers against lightning-induced transients and inductive switching surges.
For engineers reviewing the 6DFN27CA-M3/I datasheet, 6DFN27CA-M3/I pinout, 6DFN27CA-M3/I application, or 6DFN27CA-M3/I equivalent, key selection criteria include clamping performance under 16.0 A surge, thermal resistance (RθJA = 140–175 °C/W), bidirectional polarity, MSL Level 1 moisture sensitivity, and compatibility with AOI-enabled SMT assembly on FR4 PCBs.
Technical Context
This TVS diode employs anisotropic rectifier technology with junction passivation for stable bidirectional clamping across -65 °C to +175 °C operating range. Its DFN3820A package features side-wettable flanks and matte tin-plated terminals compliant with J-STD-002 and JESD 22-B102 solderability standards.
The device delivers 30 kV ESD immunity per IEC 61000-4-2 (contact and air discharge), meets UL 94 V-0 flammability, and is halogen-free, RoHS-compliant, and qualified to JESD 201 Class 2 whisker test - all specified for industrial-grade reliability without cathode marking due to bidirectional configuration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (Nominal) | 27.0 V - precise breakdown threshold ensuring reliable conduction onset before downstream IC damage |
| VWM | 23.1 V - maximum continuous reverse working voltage; must exceed system signal swing to prevent leakage-triggered false triggering |
| VC @ IPPM | 37.5 V - clamped voltage at 16.0 A surge; defines worst-case overvoltage seen by protected circuitry |
| PPPM | 600 W - peak pulse power handling for 10/1000 μs waveform; determines survivability of lightning-level transients |
| TJ max | +175 °C - maximum junction temperature enabling operation in high-ambient industrial environments |
| RθJA | 140–175 °C/W - thermal resistance to ambient on standard FR4; dictates required copper area and airflow for thermal management |
| ESD Rating | 30 kV contact/air - exceeds IEC 61000-4-2 Level 4, suitable for unshielded sensor interfaces in harsh ESD environments |
Pinout & Package
Package: DFN3820A - leadless, 2-terminal surface-mount package measuring 3.95 mm × 2.18 mm × 0.88 mm (L × W × H), with side-wettable flanks for automated optical inspection (AOI) and compatible footprint with SMP (DO-220AA).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Terminal 1 | Anode/Cathode (bidirectional) | Non-polarized terminal; functions as either anode or cathode depending on transient polarity - no cathode band marking required |
| Terminal 2 | Anode/Cathode (bidirectional) | Identical dual-role terminal; symmetric layout enables placement without orientation constraints in PCB layout |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or differential signal lines without polarity awareness during layout |
| Side-wettable flanks | Supports automated optical inspection (AOI) of solder joint quality - critical for high-reliability automotive and industrial production |
| MSL Level 1 rating | Allows unlimited floor life and reflow at 260 °C peak without baking - simplifies manufacturing logistics and reduces handling cost |
| Junction passivated anisotropic rectifier | Delivers stable VBR tolerance (±5 %) and low leakage (<1.0 μA at VWM) across temperature and lifetime |
| Halogen-free & RoHS-compliant (M3) | Fulfills environmental compliance requirements for global electronics markets while maintaining mechanical robustness and thermal performance |
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 engine control modules. IC Role / Device Role: Bidirectional TVS placed directly at connector entry point to shunt transients before reaching signal conditioning ICs. Use Value: Clamps 16.0 A surges to ≤37.5 V, preserving signal integrity and preventing latch-up in 3.3 V/5 V interface ICs rated for <40 V absolute maximum. | Use Scenario: Safeguarding digital input/output channels of programmable logic controllers against field-wiring induced surges and ground bounce in factory automation systems. IC Role / Device Role: Standoff-rated TVS (23.1 V VWM) deployed across 24 V DC I/O lines to absorb repetitive switching transients without leakage-induced false triggering. Use Value: Maintains <1.0 μA reverse leakage at VWM, avoiding erroneous state detection in high-impedance optocoupler or comparator inputs. |
| Medical Imaging Signal Integrity | Telecom Base Station RF Front-End |
Use Scenario: Shielding low-noise amplifier (LNA) inputs and ADC reference paths in portable ultrasound and MRI subsystems from ESD and cable discharge events. IC Role / Device Role: Low-capacitance TVS (typ. <100 pF at 0 V) placed adjacent to sensitive analog nodes to minimize signal distortion. Use Value: Achieves 30 kV IEC 61000-4-2 immunity without degrading bandwidth or SNR - verified per typical junction capacitance curves in datasheet Fig. 4. | Use Scenario: Transient suppression on bias lines and control signals feeding GaN power amplifiers and T/R switches in 4G/5G macro base stations. IC Role / Device Role: High-power (600 W) TVS mounted near RF front-end connectors to absorb lightning-induced common-mode surges on DC supply rails. Use Value: Withstands repeated 10/1000 μs surges up to 16.0 A while maintaining RθJM ≤ 6.5 °C/W to prevent thermal runaway during burst-mode operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ28A-E3/57T | DO-214AC (SMA) package; 28 V VBR; 45.4 V VC @ 13.1 A; higher clamping voltage and larger footprint | Requires larger PCB area and lacks side-wettable flanks - unsuitable for AOI-driven high-density layouts | Select when legacy through-hole or larger SMT footprint is acceptable and lower-cost procurement prioritizes over miniaturization |
| SMCJ28A | DO-214AB (SMC) package; 28 V VBR; 45.4 V VC @ 13.1 A; 1500 W PPPM but 3× larger size and higher RθJA | Higher power rating but incompatible with space-constrained designs; not MSL Level 1 - requires baking prior to reflow | Choose only for high-energy surge environments where 600 W is insufficient and board real estate allows larger package |
Compared with SMAJ28A-E3/57T and SMCJ28A, the 6DFN27CA-M3/I provides superior board-area efficiency, AOI compatibility, and MSL Level 1 process readiness - making it optimal for next-generation compact, high-volume industrial and automotive electronics where thermal management and automated inspection are critical.
Availability
6DFN27CA-M3/I is available at Aetrix Electronics and suitable for automotive sensor protection, industrial PLC I/O protection, medical imaging signal integrity, and telecom base station RF front-end applications requiring stable component supply, consistent parametric performance, and long-term lifecycle support.
Supply support for 6DFN27CA-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 Intertechnology is a global semiconductor manufacturer specializing in discrete components, passive elements, and sensors, with emphasis on reliability, precision, and application-specific optimization.
The 6DFNxxCA series belongs to Vishay's TRANSZORB® TVS family, engineered specifically for high-density, high-reliability transient suppression in space-constrained industrial, automotive, and medical electronics - balancing low-profile packaging with robust 600 W surge capability.
FAQ
What is the exact breakdown voltage tolerance for 6DFN27CA-M3/I?
The 6DFN27CA-M3/I has a breakdown voltage (VBR) tolerance of ±5 %, specified as 25.7 V (min), 27.0 V (nom), and 28.4 V (max) at 1.0 mA test current. This tight tolerance ensures predictable clamping onset across production lots and temperature ranges, critical for protecting 24 V systems where overvoltage margin is narrow.
Does 6DFN27CA-M3/I require orientation during PCB placement?
No - the 6DFN27CA-M3/I is a bidirectional TVS diode with no cathode marking or polarity designation. Its symmetric DFN3820A package allows unrestricted placement on PCBs, eliminating orientation checks during automated assembly and reducing potential misplacement errors in high-speed SMT lines.
What is the maximum clamping voltage of 6DFN27CA-M3/I under surge conditions?
The maximum clamping voltage (VC) of 6DFN27CA-M3/I is 37.5 V at 16.0 A peak pulse current (10/1000 μs waveform). This value represents the highest voltage imposed on protected circuitry during worst-case transient events and is validated per Fig. 1 and Table 1 in Vishay Document Number 98490.
Is 6DFN27CA-M3/I suitable for use in lead-free reflow processes?
Yes - the 6DFN27CA-M3/I is qualified for lead-free reflow with a maximum peak temperature of 260 °C (MSL Level 1 per J-STD-020), and its matte tin-plated terminals comply with J-STD-002 and JESD 22-B102 solderability standards. No pre-baking is required prior to assembly.
How does the thermal performance of 6DFN27CA-M3/I compare to larger TVS packages?
The 6DFN27CA-M3/I exhibits RθJA = 140–175 °C/W on standard FR4, higher than DO-214 packages due to its ultra-low profile (0.88 mm height), but compensates with RθJM ≤ 6.5 °C/W to mounting pad - enabling effective heat transfer to internal copper planes. This makes it viable for thermally constrained designs when proper pad design and thermal vias are implemented.
6DFN27CA-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):
- 23.1V
- Voltage - Breakdown (Min):
- 25.7V
- Voltage - Clamping (Max) @ Ipp:
- 37.5V
- Current - Peak Pulse (10/1000µs):
- 16A
- 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
6DFN27CA-M3/I FAQ
1.How can I place an order for 6DFN27CA-M3/I through Aetrix?
Please submit a Request for Quotation (RFQ) for 6DFN27CA-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 6DFN27CA-M3/I reliable?
The price and inventory of 6DFN27CA-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 6DFN27CA-M3/I is usually 5 days.
3.What payment methods are accepted for 6DFN27CA-M3/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 6DFN27CA-M3/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 6DFN27CA-M3/I?
6DFN27CA-M3/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 6DFN27CA-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 6DFN27CA-M3/I?
For technical support, including 6DFN27CA-M3/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 6DFN27CA-M3/I requirements.
6.How does Aetrix verify that 6DFN27CA-M3/I is sourced from the original manufacturer or authorized distributors?
All 6DFN27CA-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 6DFN27CA-M3/I meets industry standards.
7.What is the process for return or replacement of 6DFN27CA-M3/I?
All 6DFN27CA-M3/I units undergo pre-shipment inspection (PSI). If there is an issue with 6DFN27CA-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 6DFN27CA-M3/I part is unused and in its original packaging.
Return procedure for 6DFN27CA-M3/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
6DFN27CA-M3/I Tags
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