Taiwan Semiconductor Corporation SMCJ60CAH
- Part No.:
- SMCJ60CAH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ60CAH.pdf
- Description:
- TVS DIODE 60VWM 96.8VC DO214AB
- Quantity:
- Payment:

- Shipping:

Inventory:7,286
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Product details
Overview
SMCJ60CAH from Taiwan Semiconductor is a bidirectional 1500W transient voltage suppressor (TVS) diode in DO-214AB (SMC) package, designed for automotive-grade ESD and surge protection. It features a 60V working stand-off voltage (VWM), 66.7–73.7V breakdown voltage (VBR), 96.8V maximum clamping voltage (VC) at 16A peak pulse current, and AEC-Q101 qualification for under-hood electronics.
For engineers reviewing the SMCJ60CAH datasheet, SMCJ60CAH pinout, SMCJ60CAH application, or SMCJ60CAH equivalent, this device is selected for robust ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance, sub-1ps response time, and low leakage (<1µA above 10V) in high-reliability DC power rail and signal line protection.
Technical Context
The SMCJ60CAH is a glass-passivated, bipolar junction TVS diode optimized for unidirectional and bidirectional transient suppression in automotive and industrial systems. Its 1500W peak pulse power rating (tp = 1ms) and 96.8V clamping voltage at 16A ensure reliable protection of downstream ICs during load dump or inductive switching events.
Thermal performance is defined by RθJA = 55°C/W and RθJC = 10°C/W, supporting operation from –55°C to +150°C junction temperature. The device meets JESD201 Class 2 whisker resistance and J-STD-020 Level 1 moisture sensitivity requirements for automated SMT assembly.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 60 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR min/max | 66.7 V / 73.7 V - Breakdown occurs within this range at 1 mA test current, defining turn-on threshold |
| VC @ IPPM | 96.8 V - Clamping voltage at 16 A peak pulse current, limiting stress on protected circuitry |
| PPK | 1500 W - Peak pulse power handling per 1 ms waveform, enabling high-energy surge absorption |
| IR @ VWM | <1 µA - Reverse leakage at rated stand-off voltage, minimizing standby power loss |
| TJ max | +150 °C - Maximum junction temperature, supporting under-hood automotive deployment |
| Response time | <1.0 ps - Time from 0 V to VBR min, ensuring near-instantaneous clamping of fast transients |
Pinout & Package
Package: DO-214AB (SMC), surface-mount, bidirectional configuration with cathode band omitted (symmetrical terminals).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (bidirectional) | Transient current path | Both terminals function identically; no polarity marking required for CAH variants |
| Case (cathode band absent) | Thermal and mechanical interface | DO-214AB body provides thermal conduction path and mechanical anchoring for 0.210 g mass |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control units and body electronics |
| ISO 7637-2 compliance | Withstands Pulse 1 (inductive load disconnect), Pulse 2a/2b (switching transients), and Pulse 3a/3b (line impedance coupling) |
| Glass passivated junction | Enhances long-term reliability and stability of VBR and VC under thermal cycling and humidity |
| Level 1 moisture sensitivity | Enables standard SMT reflow without baking, reducing manufacturing overhead |
| Halogen-free & RoHS compliant | Meets IEC 61249-2-21 and EU RoHS Directive for environmentally constrained designs |
Applications
| Automotive Power Rail Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting 12 V/24 V battery-fed ECUs from load dump and alternator transients. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed across power input prior to DC-DC converter input stage. Use Value: Limits voltage to ≤96.8 V during 16 A surges, preventing overvoltage damage to upstream regulators and microcontrollers. | Use Scenario: Safeguarding analog and digital I/O channels in programmable logic controllers exposed to field wiring noise. IC Role / Device Role / Timing Role: Parallel-connected transient suppressor on each I/O line to shunt induced surges to ground. Use Value: Sub-1 ps response ensures clamping before sensitive ADCs or GPIOs experience destructive overvoltage. |
| Telecom Line Interface Protection | Consumer Appliance Motor Drive Protection |
Use Scenario: Shielding Ethernet PHY or RS-485 transceivers from ESD and lightning-induced surges on external ports. IC Role / Device Role / Timing Role: Bidirectional TVS placed between differential pair and connector, referenced to local ground. Use Value: 1500 W peak power rating absorbs multi-kV ESD events while maintaining <1 µA leakage at 60 V operating voltage. | Use Scenario: Suppressing back-EMF spikes generated by brushed DC motors in home appliances (e.g., washing machine drive circuits). IC Role / Device Role / Timing Role: Across-motor placement to clamp inductive kickback during PWM switching transitions. Use Value: 96.8 V clamping voltage prevents MOSFET drain-source breakdown during 16 A transient currents. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ60CA | Lower PPK (400 W), SMA package (smaller footprint, higher RθJA = 85°C/W) | Not suitable for ISO 7637-2 Pulse 1 or high-energy load dump; limited to low-power signal lines | Select SMCJ60CAH when 1500 W surge capability and AEC-Q101 qualification are mandatory |
| TPSMD60CA | Same PPK (1500 W), identical DO-214AB package, but not AEC-Q101 qualified | Lacks automotive qualification; acceptable for industrial/commercial use where AEC-Q101 is not required | Choose SMCJ60CAH for automotive OEM programs requiring full AEC-Q101 documentation and traceability |
Compared with SMAJ60CA and TPSMD60CA, the SMCJ60CAH uniquely combines 1500 W surge rating, AEC-Q101 qualification, and ISO 7637-2 compliance in a single DO-214AB device-making it the only option for automotive power rail protection requiring both energy handling and qualification rigor.
Availability
SMCJ60CAH is available at Aetrix Electronics and suitable for automotive electronics, industrial PLCs, and telecom infrastructure requiring stable component supply and long-lifecycle support.
Supply support for SMCJ60CAH 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.
The SMCJ series was developed specifically for high-reliability transient suppression in automotive and industrial environments, emphasizing AEC-Q101 compliance, ISO 7637-2 immunity, and robust thermal performance.
FAQ
What is the clamping voltage of SMCJ60CAH at its rated peak pulse current?
The SMCJ60CAH has a maximum clamping voltage (VC) of 96.8 V at 16 A peak impulse current (IPPM), measured per the 10/1000 µs waveform defined in Fig.5. This value ensures protected circuits remain below critical overvoltage thresholds during standardized surge events, directly supporting design margin calculations for downstream ICs.
Is SMCJ60CAH qualified for automotive applications?
Yes, the SMCJ60CAH is AEC-Q101 qualified and meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b test requirements. Its construction-including glass passivation, JESD201 Class 2 whisker resistance, and Level 1 moisture sensitivity-supports deployment in engine control units, body control modules, and other under-hood automotive systems where reliability is mission-critical.
How does the bidirectional configuration of SMCJ60CAH differ from unidirectional SMCJ60H?
The SMCJ60CAH uses a symmetrical bipolar junction structure with no cathode marking, enabling protection against transients of either polarity. In contrast, SMCJ60H is unidirectional and requires correct orientation relative to DC bias. Both share identical VWM (60 V), VBR (66.7–73.7 V), and VC (107 V for SMCJ60H vs. 96.8 V for SMCJ60CAH), but SMCJ60CAH's lower clamping voltage reflects optimized bidirectional symmetry.
What is the thermal resistance profile of SMCJ60CAH?
The SMCJ60CAH exhibits a junction-to-ambient thermal resistance (RθJA) of 55°C/W and junction-to-case resistance (RθJC) of 10°C/W. These values are measured under standard JEDEC conditions and enable accurate thermal modeling for PCB layout-especially important when multiple SMCJ60CAH devices operate simultaneously in high-temperature automotive environments.
Does SMCJ60CAH require special handling during PCB assembly?
No special handling is required: SMCJ60CAH is rated at J-STD-020 Level 1 moisture sensitivity and compatible with standard lead-free reflow profiles. Its matte tin-plated leads meet J-STD-002 solderability requirements, and the DO-214AB package supports automated pick-and-place with high yield-eliminating pre-bake steps and simplifying manufacturing flow for the SMCJ60CAH.
SMCJ60CAH 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:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 60V
- Voltage - Breakdown (Min):
- 66.7V
- Voltage - Clamping (Max) @ Ipp:
- 96.8V
- Current - Peak Pulse (10/1000µs):
- 16A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
SMCJ60CAH FAQ
1.How can I place an order for SMCJ60CAH through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ60CAH 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 SMCJ60CAH reliable?
The price and inventory of SMCJ60CAH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ60CAH is usually 5 days.
3.What payment methods are accepted for SMCJ60CAH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ60CAH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ60CAH?
SMCJ60CAH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ60CAH 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 SMCJ60CAH?
For technical support, including SMCJ60CAH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ60CAH requirements.
6.How does Aetrix verify that SMCJ60CAH is sourced from the original manufacturer or authorized distributors?
All SMCJ60CAH 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 SMCJ60CAH meets industry standards.
7.What is the process for return or replacement of SMCJ60CAH?
All SMCJ60CAH units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ60CAH, 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 SMCJ60CAH part is unused and in its original packaging.
Return procedure for SMCJ60CAH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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