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Vishay General Semiconductor - Diodes Division SMCJ60A-E3/9AT
- Part No.:
- SMCJ60A-E3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ60A-E3/9AT.pdf
- Description:
- TVS DIODE 60VWM 96.8VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:4,746
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Product details
Overview
SMCJ60A-E3/9AT from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in SMC (DO-214AB) package, designed for clamping voltage transients up to 1500 W (10/1000 μs waveform), with a standoff voltage of 60 V, breakdown voltage range 66.7–73.7 V at 1 mA, and clamping voltage of 96.8 V at 15.5 A peak pulse current. It protects MOSFETs, ICs, and sensor signal lines in automotive power systems and industrial control interfaces.
For engineers reviewing the SMCJ60A-E3/9AT datasheet, SMCJ60A-E3/9AT pinout, SMCJ60A-E3/9AT application, or SMCJ60A-E3/9AT equivalent, key selection criteria include unidirectional polarity, 96.8 V clamping under 15.5 A surge, RoHS-compliant matte tin plating, MSL Level 1 rating, and AEC-Q101 qualification eligibility via HE3 suffix variants.
Technical Context
This TVS diode operates as a clamping device in reverse-biased configuration, triggering when transient voltage exceeds its breakdown threshold (66.7–73.7 V). Its low incremental surge resistance and sub-nanosecond response time enable effective suppression of ESD, lightning-induced surges, and inductive switching spikes on DC power rails and signal paths.
Thermal performance is defined by RθJA = 75 °C/W (typ.) and RθJL = 15 °C/W (typ.), supporting operation from –55 °C to +150 °C junction temperature. The glass-passivated junction ensures stable leakage (<1.0 μA at 60 V) and long-term reliability under repetitive surge stress.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Stand-off Voltage (VWM) | 60 V - Maximum continuous reverse operating voltage before clamping begins |
| Breakdown Voltage (VBR) | 66.7–73.7 V at 1 mA - Confirmed conduction onset range for reliable overvoltage detection |
| Clamping Voltage (VC) | 96.8 V at 15.5 A - Peak voltage seen by protected circuit during full-rated 1500 W transient |
| Peak Pulse Power (PPPM) | 1500 W (10/1000 μs) - Surge energy handling capacity per industry-standard waveform |
| Leakage Current (ID) | <1.0 μA at 60 V - Minimal standby power loss and signal integrity impact in high-impedance circuits |
| Operating Temperature | –55 °C to +150 °C - Validated performance across automotive under-hood and industrial ambient ranges |
| Package | SMC (DO-214AB) - Standardized surface-mount footprint compatible with automated assembly and IPC-7351B land patterns |
Pinout & Package
SMCJ60A-E3/9AT uses the SMC (DO-214AB) package: molded plastic case with matte tin-plated leads, 0.305–0.320 inch body length, cathode band marking on unidirectional devices. Mounting requires 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads per terminal per JEDEC standard.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | High-side connection point | Connected to protected line (e.g., 60 V rail); conducts during overvoltage to shunt current to ground |
| Anode | Low-side reference node | Typically tied to system ground or return path; completes clamping loop during transient events |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low clamping ratio | VC/VWM = 1.61 - Minimizes overvoltage stress on downstream components during surge events |
| Fast response time | <1.0 ns - Limits voltage overshoot before clamping action engages |
| MSL Level 1 rating | 260 °C peak reflow compatibility - Enables single-pass lead-free soldering without moisture sensitivity concerns |
| Glass passivated junction | Enhanced stability vs. silicon nitride - Reduces parameter drift over temperature and lifetime under repeated surge stress |
| RoHS-compliant finish | Matte tin plating per J-STD-002 - Ensures solderability and intermetallic formation control in high-volume manufacturing |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: 12 V/24 V battery-fed ECUs exposed to load dump (ISO 7637-2 Pulse 5a) and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power input and ground to clamp transients above 60 V while remaining inert during normal operation. Use Value: Limits peak voltage to 96.8 V during 15.5 A surge, preventing damage to 75 V-rated DC-DC controllers and microcontrollers. | Use Scenario: Analog output lines (e.g., 4–20 mA current loops) from pressure/temperature sensors in factory automation PLCs. IC Role / Device Role / Timing Role: TVS connected across signal and return lines to absorb ESD (IEC 61000-4-2) and cable-coupled noise. Use Value: Sub-1.0 μA leakage preserves signal accuracy; 96.8 V clamping prevents op-amp input stage saturation during 8 kV contact discharge. |
| Telecom DC Power Input Protection | Consumer Power Adapter Output Protection |
Use Scenario: –48 V telecom rectifier outputs feeding base station backplanes susceptible to lightning-induced surges. IC Role / Device Role / Timing Role: Reverse-connected SMCJ60A-E3/9AT referenced to chassis ground to clamp positive-going transients on negative rails. Use Value: Withstands 1500 W pulses without degradation; thermal resistance (RθJL = 15 °C/W) enables direct lead-to-PCB heat transfer in dense layouts. | Use Scenario: 5 V/9 V/12 V USB-C PD adapter secondary-side outputs exposed to user-handling ESD and hot-plug transients. IC Role / Device Role / Timing Role: TVS placed at output connector to protect downstream USB controller ICs and port power switches. Use Value: 60 V standoff avoids false triggering during normal regulation; 96.8 V clamping stays below 100 V absolute maximum ratings of common USB-PD ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ60A-E3/61T | Lower PPPM (400 W), smaller SMA package, higher VC (100 V at 4.7 A) | Limited to lower-energy transients; unsuitable for ISO 7637-2 load dump compliance | Select when space-constrained and surge energy ≤400 W suffices |
| SMCJ60CA-E3/9AT | Bidirectional variant; same VWM, VBR, VC, but symmetric clamping in both polarities | Required for AC-coupled or floating signal lines where polarity reversal may occur | Choose for bidirectional protection needs; otherwise unidirectional SMCJ60A-E3/9AT offers tighter leakage and simpler grounding |
Compared with SMAJ60A-E3/61T, SMCJ60A-E3/9AT delivers 275 % higher surge power handling and lower clamping voltage per ampere; versus SMCJ60CA-E3/9AT, it provides superior leakage performance (<1.0 μA vs. ≤5.0 μA) and simplified ground-referenced layout for DC rails.
Availability
SMCJ60A-E3/9AT is available at Aetrix Electronics and suitable for automotive power distribution modules, industrial sensor interface boards, telecom rectifier assemblies, and consumer power adapter designs requiring stable component supply and traceable RoHS-compliant sourcing.
Supply support for SMCJ60A-E3/9AT 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, ruggedness, and automotive-grade qualification.
The SMCJ series is engineered for high-energy transient suppression in harsh environments, targeting design-in for automotive electronics, industrial controls, and infrastructure power systems where robust overvoltage immunity is mandatory.
FAQ
What is the maximum clamping voltage of the SMCJ60A-E3/9AT under rated surge conditions?
The SMCJ60A-E3/9AT has a maximum clamping voltage (VC) of 96.8 V when subjected to its rated peak pulse current of 15.5 A (10/1000 μs waveform). This value is measured per ANSI/IEEE C62.35 and defines the upper voltage limit imposed on protected circuitry during full-power transient events. The SMCJ60A-E3/9AT maintains this clamping performance across its specified operating temperature range.
Is the SMCJ60A-E3/9AT suitable for automotive applications requiring AEC-Q101 qualification?
The SMCJ60A-E3/9AT itself is RoHS-compliant commercial-grade; however, the SMCJ60A-HE3/9AT variant (with HE3 suffix) is explicitly AEC-Q101 qualified per Vishay documentation. For automotive use, specify the HE3 version to ensure qualification - the SMCJ60A-E3/9AT shares identical electrical specs and package but lacks formal automotive stress testing certification.
How does the SMCJ60A-E3/9AT differ from bidirectional TVS diodes like SMCJ60CA-E3/9AT?
The SMCJ60A-E3/9AT is unidirectional and features a cathode band marking; it conducts only during positive transients relative to its anode. In contrast, SMCJ60CA-E3/9AT is bidirectional with no polarity marking and clamps symmetrically for both polarities. The SMCJ60A-E3/9AT exhibits lower reverse leakage (<1.0 μA vs. ≤5.0 μA) and is preferred for DC rail protection where polarity is fixed.
What is the thermal resistance and maximum junction temperature rating for the SMCJ60A-E3/9AT?
The SMCJ60A-E3/9AT has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W and junction-to-lead resistance (RθJL) of 15 °C/W, measured on recommended 8.0 mm × 8.0 mm copper pads. Its maximum operating junction temperature is +150 °C, with storage range extending from –55 °C to +150 °C. These values are confirmed in Vishay Document Number 88394, Revision 09-Jan-2024.
Can the SMCJ60A-E3/9AT be used in place of SMAJ60A-E3/61T for higher-energy surge protection?
Yes - the SMCJ60A-E3/9AT replaces SMAJ60A-E3/61T when higher surge capability is required: it delivers 1500 W peak pulse power (vs. 400 W) and handles 15.5 A (vs. 4.7 A) at the same 60 V standoff. However, the larger SMC package requires different PCB footprint and pad layout. The SMCJ60A-E3/9AT is not a drop-in replacement but a performance-upgraded alternative for demanding applications like load dump protection.
SMCJ60A-E3/9AT 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 60V
- Voltage - Breakdown (Min):
- 66.7V
- Voltage - Clamping (Max) @ Ipp:
- 96.8V
- Current - Peak Pulse (10/1000µs):
- 15.5A
- 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 (SMCJ)
SMCJ60A-E3/9AT FAQ
1.How can I place an order for SMCJ60A-E3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ60A-E3/9AT 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 SMCJ60A-E3/9AT reliable?
The price and inventory of SMCJ60A-E3/9AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ60A-E3/9AT is usually 5 days.
3.What payment methods are accepted for SMCJ60A-E3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ60A-E3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ60A-E3/9AT?
SMCJ60A-E3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ60A-E3/9AT 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 SMCJ60A-E3/9AT?
For technical support, including SMCJ60A-E3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ60A-E3/9AT requirements.
6.How does Aetrix verify that SMCJ60A-E3/9AT is sourced from the original manufacturer or authorized distributors?
All SMCJ60A-E3/9AT 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 SMCJ60A-E3/9AT meets industry standards.
7.What is the process for return or replacement of SMCJ60A-E3/9AT?
All SMCJ60A-E3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ60A-E3/9AT, 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 SMCJ60A-E3/9AT part is unused and in its original packaging.
Return procedure for SMCJ60A-E3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ60A-E3/9AT Tags
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