My Inquiry
My Account
Vishay General Semiconductor - Diodes Division SMCJ110CA-M3/9AT
- Part No.:
- SMCJ110CA-M3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ110CA-M3/9AT.pdf
- Description:
- TVS DIODE 110VWM 177VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:9,525
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMCJ110CA-M3/9AT from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode in SMC (DO-214AB) package, designed for high-energy surge protection with 1500 W peak pulse power rating, 110 V stand-off voltage (VWM), and 177 V maximum clamping voltage (VC) at 8.5 A IPPM under 10/1000 µs waveform. It protects sensitive ICs, MOSFETs, and sensor signal lines in automotive, industrial, and telecom systems against inductive switching transients and lightning-induced surges.
For engineers reviewing the SMCJ110CA-M3/9AT datasheet, SMCJ110CA-M3/9AT pinout, SMCJ110CA-M3/9AT application, or SMCJ110CA-M3/9AT equivalent, key selection criteria include bidirectional clamping behavior, 177 V VC at rated surge current, halogen-free RoHS-compliant M3 termination, -55 °C to +150 °C operating junction temperature, and compatibility with automated SMT placement on standard PCB pad layouts.
Technical Context
The SMCJ110CA-M3/9AT operates as a voltage-clamping device that remains non-conductive below its 110 V stand-off voltage (VWM) and rapidly transitions to low-impedance conduction above its 122–135 V breakdown range (VBR), limiting transient energy to safe levels. Its bidirectional symmetry ensures identical clamping performance in both polarities without polarity marking.
It features glass-passivated junction construction for stable leakage and robust surge handling, meets MSL Level 1 per J-STD-020 (260 °C reflow peak), and delivers 1500 W peak pulse power dissipation with low incremental surge resistance-critical for protecting downstream components during fast-rising transients up to 10/1000 µs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 110 V - Maximum continuous reverse working voltage before clamping begins; defines upper limit of normal circuit operation. |
| VBR min/max | 122 V / 135 V - Breakdown voltage range at 1 mA test current; guarantees reliable turn-on within defined tolerance band. |
| VC @ IPPM | 177 V - Clamping voltage measured at 8.5 A peak pulse current (10/1000 µs); determines worst-case voltage seen by protected circuit. |
| PPPM | 1500 W - Peak pulse power capability; quantifies maximum transient energy absorption without failure. |
| ID @ VWM | 1.0 µA - Reverse leakage current at 110 V; ensures minimal standby power loss and signal integrity in high-impedance circuits. |
| TJ max | +150 °C - Maximum junction temperature; supports operation in under-hood automotive and industrial environments. |
| Package | SMC (DO-214AB) - Surface-mount outline with 8.0 mm × 8.0 mm copper pad thermal design; enables efficient heat dissipation and automated assembly. |
Pinout & Package
SMCJ110CA-M3/9AT uses the SMC (DO-214AB) surface-mount package with two terminals and no polarity marking due to its bidirectional configuration. The case conforms to JEDEC DO-214AB mechanical dimensions and is optimized for thermal performance on 8.0 mm × 8.0 mm copper pads per terminal.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Terminal 1 | Anode/Cathode (bidirectional) | Either terminal serves as anode or cathode depending on transient polarity; symmetrical conduction eliminates orientation constraints during placement. |
| Terminal 2 | Anode/Cathode (bidirectional) | Electrically identical to Terminal 1; enables flexible PCB layout with no directional routing requirements. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines without polarity concerns or external diode pairing. |
| 1500 W peak pulse power | Withstands high-energy transients such as ISO 7637-2 Pulse 5a (load dump) and IEC 61000-4-5 surge events in automotive ECUs. |
| Halogen-free, RoHS-compliant (M3) | Meets environmental compliance requirements for global electronics manufacturing and end-of-life recycling obligations. |
| MSL Level 1 rating | Supports standard lead-free reflow profiles up to 260 °C peak without moisture-related popcorning or delamination. |
| Low clamping ratio (VC/VBR ≈ 1.39) | Minimizes overvoltage stress on protected devices compared to higher-ratio TVS diodes, improving system reliability. |
Applications
| Automotive Power Line Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting LIN bus or 12 V supply rails in body control modules from load dump and jump-start transients. IC Role / Device Role / Timing Role: Voltage-clamping TVS element placed directly across power input to shunt surge energy before it reaches LDOs or microcontrollers. Use Value: Limits transient voltage to ≤177 V, preventing latch-up or permanent damage to 3.3 V/5 V logic supplies downstream. | Use Scenario: Shielding analog output lines of pressure or temperature sensors in factory automation equipment from ESD and cable discharge events. IC Role / Device Role / Timing Role: Bidirectional transient suppressor installed between signal line and ground to clamp ±kV-level ESD pulses per IEC 61000-4-2. Use Value: Maintains signal integrity with <1.0 µA leakage at 110 V, avoiding DC offset errors in precision 4–20 mA loops. |
| Telecom Data Line Surge Suppression | Consumer Device USB Port Protection |
Use Scenario: Safeguarding RS-485 transceivers in base station backhaul links exposed to induced lightning surges on long outdoor cabling. IC Role / Device Role / Timing Role: Primary surge arrestor mounted at connector entry point, coordinated with secondary filtering to meet IEC 61000-4-5 Level 4 (4 kV). Use Value: Responds in <1 ns to clamp 10/1000 µs surges to 177 V, preserving transceiver functionality during multi-kA events. | Use Scenario: Adding robustness to USB 2.0 data lines in smart home hubs subjected to user-handling ESD and hot-plug transients. IC Role / Device Role / Timing Role: Bidirectional TVS placed differentially across D+/D− lines to suppress common-mode and differential-mode transients simultaneously. Use Value: Provides symmetric clamping with no polarity sensitivity, eliminating risk of incorrect orientation during high-volume assembly. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SAC110CA | Lower PPPM (600 W), same VWM (110 V), smaller SMA package (DO-214AC), higher RθJA (120 °C/W). | Suitable only for lower-energy transients; not recommended for automotive load dump or IEC 61000-4-5 Level 4. | Select SMCJ110CA-M3/9AT when 1500 W surge handling and superior thermal performance are required. |
| SMCJ110A-M3/9AT | Unidirectional version; includes cathode band marking; identical VWM, VBR, VC, and PPPM but asymmetric conduction. | Requires correct polarity orientation; unsuitable for AC or floating signal paths where bidirectional clamping is mandatory. | Choose SMCJ110CA-M3/9AT for any application needing polarity-agnostic protection, such as differential buses or transformer-coupled interfaces. |
Compared with SAC110CA and SMCJ110A-M3/9AT, the SMCJ110CA-M3/9AT uniquely combines bidirectional symmetry, 1500 W surge capacity, and SMC-package thermal robustness-making it the preferred choice for high-reliability, high-energy, polarity-agnostic protection in automotive and industrial designs.
Availability
SMCJ110CA-M3/9AT is available at Aetrix Electronics and suitable for automotive power rail protection, industrial sensor interface hardening, telecom data line surge suppression, and consumer USB port ESD mitigation requiring stable component supply and full traceability.
Supply support for SMCJ110CA-M3/9AT 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 reliability, efficiency, and application-specific optimization.
The SMCJ series was developed specifically for high-power transient suppression in harsh environments-including automotive, industrial, and telecom infrastructure-where consistent clamping performance, thermal resilience, and AEC-Q101 qualification readiness are essential.
FAQ
What is the clamping voltage of the SMCJ110CA-M3/9AT at its rated peak pulse current?
The SMCJ110CA-M3/9AT has a maximum clamping voltage (VC) of 177 V when subjected to its rated peak pulse current (IPPM) of 8.5 A under the standardized 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and defines the upper voltage limit imposed on protected circuitry during surge events. The SMCJ110CA-M3/9AT maintains this clamping performance bidirectionally, ensuring consistent protection regardless of transient polarity.
Is the SMCJ110CA-M3/9AT suitable for automotive applications?
Yes, the SMCJ110CA-M3/9AT is qualified to AEC-Q101 when ordered with HE3 or HM3 suffixes; however, the M3/9AT variant itself is commercial-grade but widely deployed in automotive subsystems such as body electronics and infotainment due to its 1500 W surge rating, -55 °C to +150 °C operating range, and robust glass-passivated junction. For full AEC-Q101 compliance, specify SMCJ110CA-HM3/9AT. The SMCJ110CA-M3/9AT remains a validated solution for non-safety-critical automotive surge protection.
How does the bidirectional design of the SMCJ110CA-M3/9AT affect PCB layout?
The bidirectional design of the SMCJ110CA-M3/9AT eliminates polarity marking and orientation constraints-no cathode band is present, and either terminal functions identically under positive or negative transients. This simplifies PCB layout by removing the need for directional placement checks, enabling direct replacement of unidirectional variants without redesign, and supporting symmetric protection schemes on differential or floating signal lines. The SMCJ110CA-M3/9AT thus reduces assembly error risk and accelerates layout validation.
What is the thermal resistance of the SMCJ110CA-M3/9AT, and how does it impact power derating?
The SMCJ110CA-M3/9AT has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W when mounted on the minimum recommended 8.0 mm × 8.0 mm copper pads. This value governs power derating above 25 °C ambient: for example, at 85 °C board temperature, its 6.5 W steady-state power dissipation drops to ~3.9 W. Proper thermal pad design is essential to maintain clamping performance during repeated surges. The SMCJ110CA-M3/9AT's RθJL of 15 °C/W further supports effective heat transfer to PCB copper planes.
Does the SMCJ110CA-M3/9AT meet RoHS and halogen-free requirements?
Yes, the SMCJ110CA-M3/9AT carries the "M3" suffix, indicating full compliance with RoHS Directive 2011/65/EU and halogen-free status per IEC 61249-2-21. The molding compound meets UL 94 V-0 flammability rating, and matte tin-plated leads satisfy J-STD-002 solderability standards. These attributes make the SMCJ110CA-M3/9AT suitable for environmentally regulated markets including EU, Japan, and China. The SMCJ110CA-M3/9AT also passes JESD201 Class 2 whisker testing for long-term interconnect reliability.
SMCJ110CA-M3/9AT 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):
- 110V
- Voltage - Breakdown (Min):
- 122V
- Voltage - Clamping (Max) @ Ipp:
- 177V
- Current - Peak Pulse (10/1000µs):
- 8.5A
- Power - Peak Pulse:
- 1500W (1.5kW)
- 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-214AB (SMC)
SMCJ110CA-M3/9AT FAQ
1.How can I place an order for SMCJ110CA-M3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ110CA-M3/9AT 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 SMCJ110CA-M3/9AT reliable?
The price and inventory of SMCJ110CA-M3/9AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ110CA-M3/9AT is usually 5 days.
3.What payment methods are accepted for SMCJ110CA-M3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ110CA-M3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ110CA-M3/9AT?
SMCJ110CA-M3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ110CA-M3/9AT 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 SMCJ110CA-M3/9AT?
For technical support, including SMCJ110CA-M3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ110CA-M3/9AT requirements.
6.How does Aetrix verify that SMCJ110CA-M3/9AT is sourced from the original manufacturer or authorized distributors?
All SMCJ110CA-M3/9AT 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 SMCJ110CA-M3/9AT meets industry standards.
7.What is the process for return or replacement of SMCJ110CA-M3/9AT?
All SMCJ110CA-M3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ110CA-M3/9AT, 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 SMCJ110CA-M3/9AT part is unused and in its original packaging.
Return procedure for SMCJ110CA-M3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ110CA-M3/9AT 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
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
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 …
