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Taiwan Semiconductor Corporation SMCJ60AH
- Part No.:
- SMCJ60AH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ60AH.pdf
- Description:
- TVS DIODE 60VWM 96.8VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:7,823
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Product details
Overview
SMCJ60AH from Taiwan Semiconductor is a unidirectional 1500W surface-mount transient voltage suppressor (TVS) diode in DO-214AB (SMC) package, with 60V working stand-off voltage (VWM), 66.7–73.7V breakdown voltage (VBR), and 96.8V maximum clamping voltage (VC) at 16A peak impulse current - designed to protect automotive power electronics against ISO 7637-2 Pulse 1/2a/2b/3a/3b transients.
For engineers reviewing the SMCJ60AH datasheet, SMCJ60AH pinout, SMCJ60AH application, or SMCJ60AH equivalent, key selection criteria include clamping performance under 10/1000μs surge, AEC-Q101 qualification for automotive use, unidirectional polarity marking, and thermal derating above 25°C ambient per Fig.2.
Technical Context
The SMCJ60AH employs a glass-passivated silicon junction optimized for fast transient response (<1.0ps rise from 0V to VBR min) and low leakage (<1μA at 60V). Its single-die unidirectional structure provides asymmetric conduction: forward VF = 5.0V at 100A (per note 2), reverse clamping only.
Thermal design relies on RθJC = 10°C/W and RθJA = 55°C/W, enabling 5W steady-state dissipation at 25°C ambient. It meets JESD201 Class 2 whisker resistance and J-STD-020 Level 1 moisture sensitivity - critical for reflow-compatible automated assembly.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 60 V - Maximum continuous reverse operating voltage before clamping begins; sets system-level overvoltage trip threshold. |
| VBR min/max | 66.7 V / 73.7 V @ 1 mA - Confirmed breakdown range ensures reliable turn-on margin above VWM for robust surge immunity. |
| VC @ IPPM | 96.8 V @ 16 A - Clamping voltage during 10/1000μs surge defines worst-case stress on downstream ICs. |
| PPK | 1500 W - Peak pulse power rating determines survivability against high-energy transients like load dump. |
| IR @ VWM | <1 μA - Ultra-low leakage preserves signal integrity and battery life in always-on automotive modules. |
| TJ max | +150 °C - Junction temperature limit enables operation in under-hood environments with minimal heatsinking. |
Pinout & Package
Package: DO-214AB (SMC), surface-mount, cathode indicated by band marking; matte tin-plated leads, UL 94V-0 molding compound, 0.210g weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connects to protected circuit ground or low-side return path; conducts during positive surges when cathode is biased higher. |
| Cathode | Clamping terminal | Connects to protected line (e.g., 12V rail); reverse-biased during normal operation, avalanches to clamp transients above VBR. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing - required for engine control, body electronics, and ADAS modules. |
| ISO 7637-2 compliance | Passes Pulse 1 (inductive load disconnect), Pulse 2a/2b (switching transients), and Pulse 3a/3b (ignition noise) - essential for 12V/24V vehicle networks. |
| Glass passivated junction | Ensures stable VBR over lifetime and resistance to humidity-induced parameter drift in harsh under-hood conditions. |
| Fast response time <1.0 ps | Clamps before sensitive logic or analog circuits experience damaging overvoltage - critical for protecting CAN transceivers and microcontrollers. |
Applications
| Automotive Power Distribution | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting 12V supply rails in engine control units (ECUs) against load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery input and DC-DC converter input stage. Use Value: Limits transient voltage to ≤96.8V during 16A ISO 7637-2 Pulse 5a events, preventing MOSFET gate oxide failure and regulator latch-up. | Use Scenario: Shielding digital input channels of programmable logic controllers from field-wiring induced surges. IC Role / Device Role / Timing Role: Front-end protection device on 24V dry-contact inputs subjected to inductive kickback from solenoid coils. Use Value: Clamps 10/1000μs transients to safe levels within 1ps, preserving optocoupler CTR and microcontroller GPIO integrity. |
| Telecom Power Supply Input | Consumer Appliance Motor Drive |
Use Scenario: Safeguarding AC-DC adapter primary-side rectifier outputs from lightning-induced surges on PoE or DSL lines. IC Role / Device Role / Timing Role: Secondary-side TVS on +48V telecom power bus feeding Ethernet switch PHYs. Use Value: Absorbs 1500W peak energy without degradation, maintaining <1μA leakage to avoid standby power budget violations. | Use Scenario: Suppressing commutation spikes from brushed DC motors in smart home appliances (e.g., vacuum cleaners, washing machines). IC Role / Device Role / Timing Role: Across motor terminals to clamp inductive flyback voltage during PWM switching. Use Value: Withstands 200A non-repetitive forward surge (IFSM), enabling direct placement without series impedance - reduces BOM count and PCB area. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ60A | 600W PPK rating, SMB package (smaller footprint, lower thermal mass), same VWM/VBR range. | Lower energy handling limits use to sub-10A surge environments; unsuitable for ISO 7637-2 Pulse 5a. | Select SMBJ60A only where board space is constrained and surge threat level is limited to IEC 61000-4-5 Level 2. |
| TPSMA60A | 1500W PPK, same DO-214AC (SMA) package but higher RθJA (70°C/W), slightly higher VC (99.2V @ 16A). | Reduced thermal margin requires larger copper pour; not AEC-Q101 qualified. | Choose TPSMA60A for cost-sensitive industrial designs where automotive qualification is unnecessary and layout allows enhanced heatsinking. |
Compared with SMBJ60A and TPSMA60A, the SMCJ60AH delivers superior surge robustness (1500W vs. 600W), automotive-grade reliability (AEC-Q101), and tighter thermal management (RθJA = 55°C/W), making it the preferred choice for under-hood and safety-critical 12V/24V systems.
Availability
SMCJ60AH is available at Aetrix Electronics and suitable for automotive ECUs, industrial PLCs, telecom power supplies, and consumer appliance motor drives requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for SMCJ60AH 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, TVS diodes, and rectifiers - headquartered in Hsinchu, Taiwan, with global distribution and AEC-Q101-compliant production lines.
The SMCJ60AH belongs to TSC's high-power surface-mount TVS family engineered specifically for automotive and industrial transient immunity, emphasizing low clamping voltage, fast response, and robust packaging for automated SMT assembly.
FAQ
What is the clamping voltage of the SMCJ60AH under standard 10/1000μs surge conditions?
The SMCJ60AH has a maximum clamping voltage (VC) of 96.8 V at 16 A peak impulse current (IPPM), measured using the 10/1000μs double-exponential waveform defined in IEC 61000-4-5 and ISO 7637-2. This value ensures downstream components see no more than 96.8 V during standardized surge events - critical for protecting 100V-rated MOSFETs and 5V/3.3V logic interfaces. The SMCJ60AH achieves this while maintaining <1 μA leakage at its 60 V working stand-off voltage.
Is the SMCJ60AH suitable for bidirectional transient protection?
No, the SMCJ60AH is a unidirectional TVS diode and is not rated for bidirectional operation. Its electrical characteristics apply only in reverse bias (clamping mode) and forward conduction (VF = 5.0 V at 100 A). For bidirectional protection, Taiwan Semiconductor specifies parts with CH or CAH suffixes (e.g., SMCJ60CH). Using SMCJ60AH in bidirectional configurations risks inadequate clamping on negative transients and potential device failure.
Does the SMCJ60AH meet automotive qualification standards?
Yes, the SMCJ60AH is AEC-Q101 qualified and meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b test requirements - confirming suitability for automotive power networks. It also complies with JESD201 Class 2 whisker resistance and J-STD-020 Level 1 moisture sensitivity, supporting lead-free reflow assembly. These qualifications are documented in Taiwan Semiconductor's official A2102 datasheet revision and verified through third-party lab reports.
What is the thermal resistance profile of the SMCJ60AH, and how does it affect PCB layout?
The SMCJ60AH has a junction-to-case thermal resistance (RθJC) of 10°C/W and junction-to-ambient resistance (RθJA) of 55°C/W at 25°C ambient. To maintain TJ ≤ 150°C under 1500W peak pulses, PCB layout must include ≥1 cm² of 2-oz copper connected to both terminals, with thermal vias under the pad. Without adequate copper area, thermal derating per Fig.2 reduces usable surge capability significantly - especially above 75°C ambient.
How does the SMCJ60AH differ from the SMCJ60H variant?
The SMCJ60AH differs from SMCJ60H in tighter breakdown voltage tolerance: SMCJ60AH specifies VBR = 66.7–73.7 V (min/max), while SMCJ60H is 66.7–81.5 V. This narrower range improves consistency in clamping onset across production lots - critical for designs with tight voltage margins. Both share identical package (DO-214AB), PPK (1500W), VC (107 V for SMCJ60H vs. 96.8 V for SMCJ60AH), and AEC-Q101 qualification. The "A" suffix denotes enhanced VBR uniformity.
SMCJ60AH 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):
- 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)
SMCJ60AH FAQ
1.How can I place an order for SMCJ60AH through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ60AH 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 SMCJ60AH reliable?
The price and inventory of SMCJ60AH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ60AH is usually 5 days.
3.What payment methods are accepted for SMCJ60AH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ60AH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ60AH?
SMCJ60AH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ60AH 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 SMCJ60AH?
For technical support, including SMCJ60AH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ60AH requirements.
6.How does Aetrix verify that SMCJ60AH is sourced from the original manufacturer or authorized distributors?
All SMCJ60AH 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 SMCJ60AH meets industry standards.
7.What is the process for return or replacement of SMCJ60AH?
All SMCJ60AH units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ60AH, 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 SMCJ60AH part is unused and in its original packaging.
Return procedure for SMCJ60AH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ60AH Tags
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