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Taiwan Semiconductor Corporation SMCJ6.0CAH
- Part No.:
- SMCJ6.0CAH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ6.0CAH.pdf
- Description:
- 1500W, 7V, BIDIRECTIONAL, TVS
- Quantity:
- Payment:
- Shipping:
Inventory:7,809
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Product details
Overview
SMCJ6.0CAH from Taiwan Semiconductor is a bidirectional 1500W transient voltage suppressor (TVS) in DO-214AB (SMC) package, designed for clamping ESD and lightning-induced transients in automotive and industrial power rails. It features 6.67V minimum breakdown voltage, 10.3V maximum clamping voltage at 1000A peak pulse current, and AEC-Q101 qualification for under-hood applications.
For engineers reviewing the SMCJ6.0CAH datasheet, SMCJ6.0CAH pinout, SMCJ6.0CAH application, or SMCJ6.0CAH equivalent, key selection criteria include bidirectional clamping capability, ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance, sub-1ps response time, <6µA reverse leakage at 10V, and DO-214AB thermal performance (RθJC = 10°C/W).
Technical Context
The SMCJ6.0CAH implements a glass-passivated silicon junction optimized for fast transient suppression in bidirectional signal and power lines. Its 1500W peak pulse power rating (tp = 1ms) and 10.3V clamping voltage at 1000A ensure robust protection of downstream ICs during load dump or ESD events.
Designed to meet automotive-grade reliability requirements, it operates across –55°C to +150°C junction temperature range, supports JESD201 Class 2 whisker resistance, and complies with RoHS and halogen-free standards per IEC 61249-2-21.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR min / max | 6.67V / 7.37V - ensures reliable triggering above 10V working stand-off without false trips |
| VWM | 10V - maximum continuous reverse voltage before significant leakage begins |
| VC @ IPPM | 10.3V @ 1000A - clamping voltage limits stress on protected circuit during worst-case surge |
| IR @ VWM | <6µA - negligible standby power loss and minimal interference with high-impedance sensing nodes |
| PPK | 1500W - handles ISO 7637-2 Pulse 5a (load dump) energy without degradation |
| TJ max | +150°C - enables placement near hot components in engine control units and power converters |
| Response time | <1.0ps - suppresses ESD events before sensitive logic or analog circuits are damaged |
Pinout & Package
DO-214AB (SMC) surface-mount package with matte tin-plated leads; polarity indicated by cathode band (bidirectional operation eliminates functional polarity dependence).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode | Bidirectional transient conduction path | Identical clamping behavior in both directions; no DC bias requirement for protection function |
| Case | Thermal and mechanical mounting surface | Provides low RθJC = 10°C/W path to PCB copper for sustained surge dissipation |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive under-hood use including temperature cycling, humidity, and mechanical shock |
| ISO 7637-2 compliance | Guarantees immunity to standardized vehicle electrical transients (Pulse 1, 2a, 2b, 3a, 3b) |
| Glass passivated junction | Enhances long-term stability and moisture resistance in harsh industrial environments |
| Moisture sensitivity level 1 | Enables standard SMT reflow without baking or special handling |
| UL 94V-0 molding compound | Prevents flame propagation in safety-critical power distribution systems |
Applications
| Automotive Power Distribution | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting 12V battery-fed ECUs against load dump and alternator transients. IC Role / Device Role / Timing Role: Bidirectional TVS diode placed at input filter stage to clamp surges before DC-DC regulators. Use Value: 10.3V clamping ensures microcontrollers and CAN transceivers remain within absolute maximum ratings during 1000A pulses. | Use Scenario: Safeguarding 24V digital input modules from field-wiring induced surges and ESD. IC Role / Device Role / Timing Role: Primary overvoltage clamp on isolated input terminals interfacing with sensors and switches. Use Value: Sub-1ps response prevents latch-up in optocouplers and Schmitt triggers during fast-rising transients. |
| Telecom Power Feeds | Consumer Appliance Motor Control |
Use Scenario: Shielding PoE-powered equipment front-ends from Ethernet cable-induced surges. IC Role / Device Role / Timing Role: Secondary-level TVS on 48V DC input rail downstream of primary surge protection. Use Value: 1500W rating absorbs multiple repetitive 10/1000µs surges without parameter drift or failure. | Use Scenario: Suppressing commutation spikes from brushed DC motors in washing machines and HVAC blowers. IC Role / Device Role / Timing Role: Snubber-connected TVS across motor terminals to limit back-EMF voltage overshoot. Use Value: 6.67–7.37V breakdown range aligns precisely with 5–6V logic supply rails controlling H-bridge drivers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ6.0CA | 600W peak power rating, same VBR/VC, SMB package (smaller footprint, higher RθJA) | Limited to lower-energy transients; unsuitable for ISO 7637-2 Pulse 5a | Select when space-constrained and surge energy ≤600W |
| 1.5KE6.8CA | Through-hole DO-201 package, 1500W rating, 6.8V VBR, slower response (~1ns) | Not AEC-Q101 qualified; incompatible with automated SMT assembly | Select only for legacy through-hole designs requiring identical clamping performance |
Compared with SMBJ6.0CA and 1.5KE6.8CA, the SMCJ6.0CAH delivers superior automotive-grade reliability, SMT compatibility, and thermal performance in a compact DO-214AB package-making it optimal for new-generation automotive and industrial power rail protection where AEC-Q101 and ISO 7637-2 compliance are mandatory.
Availability
SMCJ6.0CAH is available at Aetrix Electronics and suitable for automotive power distribution, industrial PLC I/O protection, telecom power feeds, and consumer appliance motor control requiring stable component supply and full AEC-Q101 traceability.
Supply support for SMCJ6.0CAH 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 semiconductor manufacturer specializing in discrete power devices and protection components, headquartered in Hsinchu, Taiwan.
The SMCJ series was developed specifically for high-reliability transient suppression in automotive and industrial environments, emphasizing AEC-Q101 qualification, ISO 7637-2 compliance, and robust thermal performance in surface-mount packages.
FAQ
What does the 'CAH' suffix indicate in SMCJ6.0CAH?
The 'CAH' suffix in SMCJ6.0CAH denotes a bidirectional configuration ('C') with AEC-Q101 qualification ('A') and high-reliability processing ('H'). Unlike unidirectional variants (e.g., SMCJ6.0H), the SMCJ6.0CAH provides symmetrical clamping in both polarities-critical for AC-coupled or floating signal lines. This designation is confirmed in TSC's ordering documentation and electrical specifications table.
Is SMCJ6.0CAH compatible with lead-free reflow soldering processes?
Yes, SMCJ6.0CAH supports lead-free reflow soldering per J-STD-020. Its matte tin-plated leads are rated for peak temperatures up to 260°C, and its moisture sensitivity level is rated Class 1-meaning it can be processed directly from dry pack without baking. The DO-214AB package's UL 94V-0 compound also withstands repeated thermal excursions without delamination.
How does SMCJ6.0CAH perform under repeated transient stress?
SMCJ6.0CAH maintains stable clamping parameters after repeated 10/1000µs surges up to its rated 1500W peak power, provided derating per Fig.2 (pulse derating curve) is observed. Its glass-passivated junction and robust thermal design (RθJC = 10°C/W) prevent parametric shift or catastrophic failure during multi-pulse events typical in automotive load-dump testing.
Does SMCJ6.0CAH meet ISO 7637-2 Pulse 5a (load dump) requirements?
No-SMCJ6.0CAH meets ISO 7637-2 Pulses 1, 2a, 2b, 3a, and 3b, but not Pulse 5a (load dump), which requires ≥300V clamping capability. Pulse 5a demands higher-voltage TVS devices such as SMCJ33AH or above. The SMCJ6.0CAH is intended for lower-energy transients like ESD, switching noise, and inductive kickback-not alternator load dump.
What is the maximum steady-state power dissipation for SMCJ6.0CAH?
The maximum steady-state power dissipation (PD) for SMCJ6.0CAH is 5W at TA = 25°C, as specified in the Absolute Maximum Ratings table. This value decreases linearly with ambient temperature above 25°C per the derating curve (Fig.2), reaching zero at approximately 130°C ambient due to its 55°C/W junction-to-ambient thermal resistance.
SMCJ6.0CAH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-214AB, SMC
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- 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:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
SMCJ6.0CAH FAQ
1.How can I place an order for SMCJ6.0CAH through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ6.0CAH 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 SMCJ6.0CAH reliable?
The price and inventory of SMCJ6.0CAH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ6.0CAH is usually 5 days.
3.What payment methods are accepted for SMCJ6.0CAH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ6.0CAH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ6.0CAH?
SMCJ6.0CAH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ6.0CAH 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 SMCJ6.0CAH?
For technical support, including SMCJ6.0CAH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ6.0CAH requirements.
6.How does Aetrix verify that SMCJ6.0CAH is sourced from the original manufacturer or authorized distributors?
All SMCJ6.0CAH 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 SMCJ6.0CAH meets industry standards.
7.What is the process for return or replacement of SMCJ6.0CAH?
All SMCJ6.0CAH units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ6.0CAH, 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 SMCJ6.0CAH part is unused and in its original packaging.
Return procedure for SMCJ6.0CAH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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