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Taiwan Semiconductor Corporation SMCJ6.0A
- Part No.:
- SMCJ6.0A
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ6.0A.pdf
- Description:
- TVS DIODE 6VWM 10.3VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:5,773
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Product details
Overview
SMCJ6.0A from Taiwan Semiconductor is a unidirectional 1500W surface-mount transient voltage suppressor (TVS) diode in DO-214AB (SMC) package, with 6.67V min / 7.37V max breakdown voltage at 10mA, 10V working stand-off voltage, and 10.3V max clamping voltage at 1000A peak pulse current. It protects automotive and industrial power rails against ISO 7637-2 Pulse 1/2a/2b/3a/3b transients.
For engineers reviewing the SMCJ6.0A datasheet, SMCJ6.0A pinout, SMCJ6.0A application, or SMCJ6.0A equivalent, key selection criteria include clamping voltage margin vs. protected IC VDD, junction temperature derating above 25°C, unidirectional polarity marking, and compliance with IEC 61000-4-4/4-5 EFT/surge immunity requirements.
Technical Context
The SMCJ6.0A employs a glass-passivated silicon junction optimized for sub-1ps response to fast-rising transients. Its 10.3V clamping voltage at 1000A ensures robust overvoltage protection for 12V automotive systems where load-dump and inductive switching events exceed 40V.
Thermal performance is defined by RθJA = 55°C/W and RθJC = 10°C/W, enabling sustained operation up to TJ = 150°C. The device meets JESD201 Class 2 whisker resistance and J-STD-020 Level 1 moisture sensitivity standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR min/max | 6.67V / 7.37V @ 10mA - defines minimum trigger threshold and worst-case conduction onset under transient stress |
| VWM | 10V - maximum continuous reverse voltage before leakage exceeds 6µA; sets upper limit for system operating voltage |
| VC @ IPPM | 10.3V @ 1000A - clamping voltage during 10/1000µs surge; determines peak stress on downstream ICs |
| PPK | 1500W - peak pulse power handling per 1ms waveform; supports high-energy automotive transients |
| IR @ VWM | <6µA - low leakage ensures minimal standby power loss in battery-critical applications |
| TJ max | +150°C - enables placement near hot components like power MOSFETs without thermal shutdown risk |
| Package | DO-214AB (SMC) - industry-standard surface-mount outline with 0.210g mass and UL 94V-0 molding compound |
Pinout & Package
DO-214AB (SMC) package: cathode-banded unidirectional configuration; two terminals only - anode and cathode - with polarity marked by molded band. Leads are matte tin-plated, solderable per J-STD-002.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Ground reference node | Connected to system ground or low-side return path; establishes reference for clamping action |
| Cathode | Protected line input | Connected to supply rail (e.g., 12V battery line); conducts transient energy to ground when VIN > VBR |
Key Features
| Feature | Design Value |
|---|---|
| Clamping voltage ≤10.3V at 1000A | Ensures protected 12V logic rails remain below absolute maximum ratings of automotive MCUs and CAN transceivers |
| Response time <1.0ps | Activates before most ESD or EFT pulses fully develop, preventing latch-up or gate oxide damage in sensitive inputs |
| ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance | Validated for automotive battery-line protection including load dump (Pulse 5a), alternator transients, and ignition noise |
| RoHS & halogen-free (IEC 61249-2-21) | Meets global environmental regulations for automotive and industrial end equipment without compromising surge performance |
| J-STD-020 Level 1 moisture sensitivity | Enables standard reflow assembly without baking or special handling, reducing manufacturing cost and risk |
Applications
| Automotive Power Rail Protection | Industrial PLC Input Protection |
|---|---|
Use Scenario: 12V battery line in engine control unit exposed to load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between battery feed and DC-DC converter input. Use Value: Limits transient peaks to ≤10.3V, preventing overvoltage failure of 16V-rated buck controller ICs. | Use Scenario: 24V digital input module subjected to inductive kickback from solenoid drivers. IC Role / Device Role / Timing Role: Primary surge suppression on field-side signal entry before optocoupler or Schmitt trigger. Use Value: Absorbs 1500W pulses without degradation, maintaining signal integrity across 10k-cycle industrial duty cycles. |
| LED Driver Overvoltage Protection | USB-C Port ESD Clamp |
Use Scenario: Constant-current LED driver board powered from vehicle battery with no upstream filtering. IC Role / Device Role / Timing Role: Front-end TVS on input capacitor rail to protect LED driver IC and current-sense amplifier. Use Value: Clamps 1000A surges within 1ps, avoiding destructive voltage overshoot that would rupture bond wires in high-brightness LEDs. | Use Scenario: USB-C receptacle on automotive infotainment head unit exposed to human-body-model ESD events. IC Role / Device Role / Timing Role: Secondary-level TVS after common-mode choke, shunting differential-mode ESD to ground. Use Value: Sub-10.3V clamping prevents latch-up in USB 3.2 Gen 2 PHY while sustaining 1000+ ESD strikes per IEC 61000-4-2 Level 4. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ6.0A | 600W rating, same VBR/VC specs but lower PPK; SMB package (smaller footprint, higher RθJA) | Suitable for space-constrained consumer electronics with lower-energy transients; not rated for ISO 7637-2 Pulse 5a | Select SMCJ6.0A when automotive-grade 1500W surge handling and thermal robustness are required. |
| 1.5SMC6.0A | Identical electrical specs and DO-214AB package; manufactured by ON Semiconductor with identical marking code GDG | Drop-in replacement with same qualification, AEC-Q101 screening optional; identical layout and BOM usage | Choose 1.5SMC6.0A if dual-sourcing or specific manufacturer preference drives procurement. |
Compared with SMBJ6.0A, SMCJ6.0A delivers 2.5× higher surge power and superior thermal dissipation for automotive environments; versus 1.5SMC6.0A, it offers identical performance with Taiwan Semiconductor's qualification and supply chain continuity.
Availability
SMCJ6.0A is available at Aetrix Electronics and suitable for automotive power rail protection, industrial PLC input conditioning, LED driver overvoltage suppression, and USB-C port ESD clamping requiring stable component supply across multi-year production programs.
Supply support for SMCJ6.0A 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, specializing in TVS diodes, rectifiers, and power MOSFETs for automotive and industrial markets.
The SMCJ series was designed specifically for high-reliability transient suppression in 12V/24V automotive systems, meeting stringent ISO 7637-2 and AEC-Q101 requirements with optimized clamping efficiency and thermal stability.
FAQ
What is the clamping voltage of SMCJ6.0A at its rated peak pulse current?
The SMCJ6.0A has a maximum clamping voltage (VC) of 10.3V at 1000A peak pulse current (IPPM) under the 10/1000µs waveform defined in Fig.5 of the datasheet. This value is measured at TA = 25°C and ensures protected circuits remain within safe operating limits during high-energy transients.
Is SMCJ6.0A unidirectional or bidirectional, and how is polarity identified?
SMCJ6.0A is a unidirectional TVS diode. Polarity is indicated by a cathode band on the DO-214AB (SMC) package body - the banded end connects to the system ground, while the unbanded end connects to the protected line. Bidirectional variants use "CA" suffix (e.g., SMCJ6.0CA).
Does SMCJ6.0A meet automotive transient immunity standards?
Yes, SMCJ6.0A meets ISO 7637-2 Pulse 1 (inductive load disconnect), Pulse 2a (sudden load removal), Pulse 2b (supply interruption), Pulse 3a/3b (switching noise), and is widely deployed in automotive ECUs, body controllers, and infotainment systems for certified transient protection.
What is the maximum steady-state power dissipation of SMCJ6.0A?
The SMCJ6.0A has a steady-state power dissipation (PD) rating of 5W at TA = 25°C. This value decreases with rising ambient temperature per the derating curve in Fig.2 and is distinct from its 1500W peak pulse rating, which applies only to short-duration transients.
Can SMCJ6.0A be used in place of SMCJ6.0 in a design?
Yes - SMCJ6.0A replaces SMCJ6.0 with tighter breakdown voltage tolerance (6.67–7.37V vs. 6.67–8.15V) and lower clamping voltage (10.3V vs. 11.4V). The "A" suffix denotes improved VBR consistency and enhanced clamping performance, making SMCJ6.0A the preferred choice for designs demanding tighter voltage margins.
SMCJ6.0A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-214AB, SMC
- Series:
- SMCJ
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 6V
- Voltage - Breakdown (Min):
- 6.67V
- Voltage - Clamping (Max) @ Ipp:
- 10.3V
- Current - Peak Pulse (10/1000µs):
- 152A
- 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)
SMCJ6.0A FAQ
1.How can I place an order for SMCJ6.0A through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ6.0A 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 SMCJ6.0A reliable?
The price and inventory of SMCJ6.0A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ6.0A is usually 5 days.
3.What payment methods are accepted for SMCJ6.0A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ6.0A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ6.0A?
SMCJ6.0A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ6.0A 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 SMCJ6.0A?
For technical support, including SMCJ6.0A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ6.0A requirements.
6.How does Aetrix verify that SMCJ6.0A is sourced from the original manufacturer or authorized distributors?
All SMCJ6.0A 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 SMCJ6.0A meets industry standards.
7.What is the process for return or replacement of SMCJ6.0A?
All SMCJ6.0A units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ6.0A, 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 SMCJ6.0A part is unused and in its original packaging.
Return procedure for SMCJ6.0A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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