My Inquiry
My Account
Vishay 3.0C28CA-M3/I
- Part No.:
- 3.0C28CA-M3/I
- Manufacturer:
- Vishay
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
3.0C28CA-M3/I.pdf
- Description:
- 3KW, 28V 5%,BIDIR,SMC TVS
- Quantity:
- Payment:
- Shipping:
Inventory:3,500
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
3.0C28CA-M3 from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode in SMC (DO-214AB) package, designed for high-energy surge protection with 3000 W peak pulse power (10/1000 μs), 31.1–34.4 V breakdown voltage, and 45.4 V clamping voltage at 66.1 A. It protects MOSFETs, ICs, and sensor signal lines in industrial and telecom power rails.
For engineers reviewing the 3.0C28CA-M3 datasheet, 3.0C28CA-M3 pinout, 3.0C28CA-M3 application, or 3.0C28CA-M3 equivalent, key selection criteria include bidirectional clamping capability, 175 °C junction temperature rating, MSL Level 1 moisture sensitivity, and compliance with IEC 61000-4-2 (30 kV ESD).
Technical Context
This TVS diode operates as a voltage-clamped shunt protector, responding within picoseconds to transients induced by inductive switching or lightning surges. Its low incremental surge resistance and fast response time ensure minimal overvoltage exposure to downstream circuitry.
The device uses an avalanche breakdown mechanism with tightly controlled VBR (31.1–34.4 V) and VC (45.4 V @ 66.1 A), enabling precise coordination with 28 V nominal systems. It meets J-STD-020 MSL Level 1 and supports reflow up to 260 °C peak.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 31.1 V / 34.4 V - defines minimum and maximum voltage at which avalanche conduction begins under 1 mA test current |
| VWM | 28 V - maximum continuous reverse operating voltage before leakage exceeds 1 μA |
| VC @ IPPM | 45.4 V @ 66.1 A - clamping voltage during 10/1000 μs surge, limiting protected node voltage to safe level |
| PPPM | 3000 W - peak pulse power handling capacity per 10/1000 μs waveform, critical for lightning surge immunity |
| TJ max. | +175 °C - maximum junction temperature, enabling operation in high-ambient industrial environments |
| ESD Rating | 30 kV (IEC 61000-4-2 contact/air) - ensures robustness against human-body-model electrostatic discharge events |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, halogen-free, RoHS-compliant, matte tin-plated leads, MSL Level 1, 260 °C reflow compatible.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (marked band) | Surge current sink terminal | Connected to protected line; conducts transient energy to ground when VAC > VBR |
| Anode | Reference/return path | Typically tied to system ground or low-impedance return plane; completes shunt path during clamping |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Protects AC-coupled or floating signal lines without polarity constraints, e.g., RS-485, CAN bus, or sensor bridges |
| 30 kW surge rating (8/20 μs) | Supports IEC 61000-4-5 Level 4 surge immunity testing (4 kV line-to-ground) in properly designed layouts |
| Low Rsurge | Minimizes voltage overshoot during high-di/dt events, preserving timing margins in fast-switching power stages |
| 175 °C TJ max | Enables placement near heat-generating components (e.g., MOSFETs, inductors) without derating concerns |
Applications
| Industrial Motor Drives | Telecom Power Supplies |
|---|---|
Use Scenario: Protection of gate drivers and feedback sensing circuits against back-EMF spikes from brushed/BLDC motor commutation. IC Role / Device Role / Timing Role: Shunt clamping element placed across DC bus or gate-source nodes to clamp transients below MOSFET VDS or VGS ratings. Use Value: Prevents cumulative gate oxide stress and single-event latch-up in half-bridge drivers operating at 24–48 V nominal rails. | Use Scenario: Input-stage surge suppression on -48 V DC telecom rectifier outputs exposed to lightning-induced surges on distribution lines. IC Role / Device Role / Timing Role: Primary front-end TVS in multi-stage protection architecture, absorbing bulk energy before downstream MOVs or GDTs. Use Value: Maintains <100 ns response and limits clamped voltage to ≤45.4 V, ensuring downstream DC-DC converters remain within absolute maximum ratings. |
| Automotive Body Control Modules | Industrial Sensor Interfaces |
Use Scenario: Protection of LIN bus transceivers and relay coil drivers subjected to load dump and jump-start transients per ISO 7637-2. IC Role / Device Role / Timing Role: Bidirectional clamping device across LIN data line or 12 V supply rail to suppress ±100 V/100 ms pulses. Use Value: Withstands 30 kV ESD and maintains signal integrity due to low capacitance (<100 pF at 0 V), avoiding data corruption at 20 kbps. | Use Scenario: Shielding analog output lines (e.g., 4–20 mA, 0–10 V) of pressure/temperature transmitters from field wiring surges in factory automation. IC Role / Device Role / Timing Role: Low-leakage (≤1 μA at 28 V) shunt protector placed at transmitter PCB edge before cable connector. Use Value: Ensures <1 μA reverse leakage at 28 V stand-off, preventing output offset errors while clamping 66.1 A surges to 45.4 V. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ28CA | Lower PPPM (600 W), same VWM/VBR range, SMB package (smaller footprint, higher thermal resistance) | Not suitable for 3 kV+ IEC 61000-4-5 applications; limited to lower-energy transients | Select when board space is constrained and surge threat level is Class 2 or lower |
| SMCJ28CA | Same SMC package, identical VWM/VBR, but rated for 1500 W (10/1000 μs) - half the energy handling of 3.0C28CA-M3 | Requires parallel placement or additional stages for equivalent 3000 W protection | Choose only if legacy design reuse mandates SMCJ-series footprint compatibility |
Compared with SMBJ28CA and SMCJ28CA, the 3.0C28CA-M3 delivers double the surge energy capacity in the same SMC footprint, enabling single-device compliance with IEC 61000-4-5 Level 4 while maintaining low thermal resistance (RthJM = 4.0 °C/W) for high-reliability power electronics.
Availability
3.0C28CA-M3 is available at Aetrix Electronics and suitable for industrial motor drives, telecom power supplies, automotive body control modules, and industrial sensor interfaces requiring stable component supply and long-term lifecycle support.
Supply support for 3.0C28CA-M3 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, and protection devices with emphasis on reliability, power handling, and automotive-grade qualification.
The 3.0C28CA-M3 belongs to Vishay's TRANSZORB® family of high-power TVS diodes, engineered specifically for robust transient suppression in harsh industrial and telecom environments where sustained surge immunity and thermal stability are critical.
FAQ
What is the breakdown voltage range of the 3.0C28CA-M3?
The 3.0C28CA-M3 has a specified breakdown voltage (VBR) range of 31.1 V to 34.4 V at 1 mA test current, measured per ANSI/IEEE C62.35 standards. This tight tolerance ensures consistent clamping behavior across production lots and supports reliable coordination with 28 V system rails and associated overvoltage thresholds in power management ICs.
Does the 3.0C28CA-M3 support lead-free reflow soldering?
Yes, the 3.0C28CA-M3 is qualified for lead-free reflow soldering with a maximum peak temperature of 260 °C, compliant with J-STD-020 MSL Level 1. Its matte tin-plated leads meet J-STD-002 and JESD 22-B102 solderability requirements, and the -M3 suffix confirms compliance with JESD 201 Class 2 whisker resistance.
What is the clamping voltage of the 3.0C28CA-M3 under a 10/1000 μs surge?
The 3.0C28CA-M3 clamps to 45.4 V when subjected to its rated peak pulse current of 66.1 A under a 10/1000 μs waveform. This value is guaranteed per datasheet Table 1 and reflects the maximum voltage seen by protected circuitry during standardized surge events, enabling accurate margin analysis against downstream component absolute maximum ratings.
Is the 3.0C28CA-M3 unidirectional or bidirectional?
The 3.0C28CA-M3 is a bidirectional TVS diode, meaning it provides symmetrical clamping for both positive and negative transients. Its marking code "BFG3" and absence of polarity marking on the SMC package confirm this configuration, making it suitable for AC-coupled lines, differential buses, and floating supply rails where polarity reversal may occur.
How does the 3.0C28CA-M3 compare to standard Zener diodes for surge protection?
Unlike general-purpose Zener diodes, the 3.0C28CA-M3 is optimized for transient suppression: it offers 3000 W peak pulse power (vs. typically <5 W for Zeners), sub-nanosecond response, low dynamic impedance, and guaranteed clamping performance under standardized surge waveforms. Its rugged SMC package and 175 °C rating further distinguish it from conventional Zener-based protection schemes.
3.0C28CA-M3/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay
- 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):
- 28V
- Voltage - Breakdown (Min):
- 31.1V
- Voltage - Clamping (Max) @ Ipp:
- 45.4V
- Current - Peak Pulse (10/1000µs):
- 66.1A
- Power - Peak Pulse:
- 3000W (3kW)
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
3.0C28CA-M3/I FAQ
1.How can I place an order for 3.0C28CA-M3/I through Aetrix?
Please submit a Request for Quotation (RFQ) for 3.0C28CA-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 3.0C28CA-M3/I reliable?
The price and inventory of 3.0C28CA-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 3.0C28CA-M3/I is usually 5 days.
3.What payment methods are accepted for 3.0C28CA-M3/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 3.0C28CA-M3/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 3.0C28CA-M3/I?
3.0C28CA-M3/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 3.0C28CA-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 3.0C28CA-M3/I?
For technical support, including 3.0C28CA-M3/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 3.0C28CA-M3/I requirements.
6.How does Aetrix verify that 3.0C28CA-M3/I is sourced from the original manufacturer or authorized distributors?
All 3.0C28CA-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 3.0C28CA-M3/I meets industry standards.
7.What is the process for return or replacement of 3.0C28CA-M3/I?
All 3.0C28CA-M3/I units undergo pre-shipment inspection (PSI). If there is an issue with 3.0C28CA-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 3.0C28CA-M3/I part is unused and in its original packaging.
Return procedure for 3.0C28CA-M3/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
3.0C28CA-M3/I Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
