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Vishay General Semiconductor - Diodes Division SMCJ60AHE3/9AT
- Part No.:
- SMCJ60AHE3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ60AHE3/9AT.pdf
- Description:
- TVS DIODE 60VWM 96.8VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:3,754
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Product details
Overview
SMCJ60AHE3/9AT from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMC (DO-214AB) package, designed for robust overvoltage protection of DC power rails and signal lines. It features a 60 V standoff voltage (VWM), 66.7–73.7 V breakdown range (VBR at 1 mA), 96.8 V clamping voltage (VC) at 15.5 A peak pulse current (IPPM), and 1500 W peak pulse power (10/1000 µs waveform). It is AEC-Q101 qualified and widely used in automotive power supply input stages.
For engineers reviewing the SMCJ60AHE3/9AT datasheet, SMCJ60AHE3/9AT pinout, SMCJ60AHE3/9AT application, or SMCJ60AHE3/9AT equivalent, key selection criteria include unidirectional clamping behavior, 150 °C maximum junction temperature, RoHS-compliant matte tin-plated leads, MSL Level 1 rating, and compatibility with automated SMT placement on 8.0 mm × 8.0 mm copper pads.
Technical Context
The SMCJ60AHE3/9AT operates as a silicon avalanche diode that enters controlled reverse conduction when transient voltage exceeds its breakdown threshold. Its glass-passivated junction ensures stable VBR tolerance (±5%) and low incremental surge resistance, enabling precise clamping within 1 ns response time. The device is rated for non-repetitive 10/1000 µs surges up to 1500 W and supports 200 A single half-sine surge (8.3 ms).
Thermally, it exhibits RθJA = 75 °C/W (on recommended pad layout) and RθJL = 15 °C/W, allowing effective heat dissipation in compact automotive and industrial PCB layouts. Polarity is marked by a cathode band; no marking is used for bidirectional variants - confirming SMCJ60AHE3/9AT's unidirectional identity per its "A" suffix and "GGK" marking code.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 60 V - Maximum continuous reverse operating voltage before significant leakage; defines safe DC rail margin. |
| VBR (Breakdown Voltage) | 66.7–73.7 V at 1 mA - Confirmed avalanche onset range; ensures reliable triggering above nominal system voltage. |
| VC (Clamping Voltage) | 96.8 V at IPPM = 15.5 A - Peak voltage seen by protected circuit during 10/1000 µs surge; critical for downstream IC survival. |
| PPPM (Peak Pulse Power) | 1500 W - Sustains high-energy transients (e.g., ISO 7637-2 Pulse 1/2/5a) without failure under defined test conditions. |
| TJ max | 150 °C - Enables operation in under-hood automotive environments and thermally constrained industrial enclosures. |
| Package | SMC (DO-214AB) - Standardized 2-pin surface-mount outline with 7.75 mm × 6.22 mm footprint and 2.62 mm height; compatible with IPC-7351B. |
| AEC-Q101 Qualified | Yes - Validated for automotive electronics per stress test requirements including HTOL, TCT, and ESD; designated by HE3 suffix. |
Pinout & Package
SMCJ60AHE3/9AT uses the standard SMC (DO-214AB) package: a rectangular, surface-mount, 2-terminal plastic case with cathode band marking. Dimensions are 7.75 mm × 6.22 mm × 2.62 mm (L × W × H); terminals are matte tin-plated and solderable per J-STD-002/JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference terminal | Connected to ground or low-potential node; completes conduction path during transient clamp. |
| Cathode (marked with band) | High-side transient input terminal | Connected to protected line (e.g., 12 V battery rail); avalanche conduction initiates here when VAK > VBR. |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional clamping | Enables asymmetric protection on positive-rail systems without forward-conduction interference during normal operation. |
| 1500 W peak pulse power (10/1000 µs) | Withstands high-energy load dump and inductive switching transients common in 12 V/24 V automotive subsystems. |
| AEC-Q101 qualification (HE3 suffix) | Validated reliability for automotive powertrain, body control, and ADAS modules requiring zero-failure field performance. |
| MSL Level 1, 260 °C reflow compatible | Supports lead-free reflow assembly without preconditioning; eliminates moisture-related popcorning risk. |
| Glass-passivated junction | Ensures long-term VBR stability and low leakage (<1 µA at VWM) across temperature and lifetime. |
Applications
| Automotive Battery Input Protection | Industrial PLC Digital I/O Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs against ISO 7637-2 Pulse 1 (inductive switch-off) and Pulse 5a (load dump). IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery rail and input filter capacitor to clamp transients before LDO or DC-DC converter. Use Value: Limits voltage to ≤96.8 V during 15.5 A surge, preventing damage to upstream PMICs and microcontrollers rated for 36 V absolute max. |
Use Scenario: Safeguarding 24 V digital input channels in programmable logic controllers exposed to relay coil flyback and field wiring ESD. IC Role / Device Role / Timing Role: Parallel-connected TVS on each optocoupler input line to shunt fast transients before signal conditioning circuitry. Use Value: Sub-1 ns response ensures clamping occurs before 100 ns ESD events propagate into isolation barriers, preserving signal integrity and longevity. |
| Telecom Power Supply Surge Protection | Consumer Appliance Motor Drive Protection |
Use Scenario: Secondary-side overvoltage suppression in AC/DC adapters powering base stations and network switches. IC Role / Device Role / Timing Role: Mounted across +48 V output rail to absorb coupling surges from primary-side MOSFET switching noise and lightning-induced ring waves. Use Value: 1500 W rating handles repeated 10/1000 µs surges per IEC 61000-4-5 Level 3, extending SMPS controller lifespan. |
Use Scenario: Protecting MCU GPIOs and gate drivers in smart washing machine motor control boards from BLDC commutation spikes. IC Role / Device Role / Timing Role: Local TVS on low-voltage logic rails (e.g., 5 V or 3.3 V) adjacent to motor driver ICs to suppress coupled noise. Use Value: 60 V VWM provides sufficient margin above 36 V motor bus ripple while clamping fast edges below 100 V, avoiding latch-up in CMOS inputs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ60AHE3/52T | Same VWM/VBR/VC, but SMB (DO-214AA) package - 3.5 mm × 4.6 mm footprint, lower PPPM = 600 W. | Lower surge capacity suits space-constrained consumer electronics where 1500 W is unnecessary. | Select when board area is limited and surge energy is ≤600 W; not suitable for automotive load dump. |
| SMCJ60CAHE3/9AT | Bidirectional variant (CA suffix); identical VWM/VBR/VC ratings but symmetrical clamping in both polarities. | Required for AC-coupled or floating signal lines (e.g., RS-485, CAN bus) where negative transients occur. | Choose only if bidirectional protection is mandated; unidirectional SMCJ60AHE3/9AT offers better cost and margin for DC rails. |
Compared with SMBJ60AHE3/52T, SMCJ60AHE3/9AT delivers 2.5× higher surge power handling in a slightly larger footprint; compared with SMCJ60CAHE3/9AT, it avoids unnecessary bidirectional conduction loss on grounded DC supplies, improving efficiency and thermal margin.
Availability
SMCJ60AHE3/9AT is available at Aetrix Electronics and suitable for automotive ECU design, industrial PLC I/O modules, and telecom power supply protection requiring stable component supply, AEC-Q101 compliance, and high-reliability surge immunity.
Supply support for SMCJ60AHE3/9AT 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 automotive-grade reliability and high-volume manufacturability.
The SMCJ series is part of Vishay's TRANSZORB® TVS platform, engineered specifically for high-energy transient suppression in harsh environments - targeting automotive, industrial, and telecom infrastructure applications demanding AEC-Q101 validation and 1500 W surge capability.
FAQ
What is the clamping voltage of SMCJ60AHE3/9AT at its rated peak pulse current?
The SMCJ60AHE3/9AT has a maximum clamping voltage (VC) of 96.8 V at 15.5 A peak pulse current (IPPM) under the standardized 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and defines the upper voltage limit imposed on protected circuitry during surge events. The SMCJ60AHE3/9AT maintains this clamping performance across its full operating temperature range (-55 °C to +150 °C), ensuring consistent protection in automotive under-hood applications.
Is SMCJ60AHE3/9AT suitable for automotive applications?
Yes, SMCJ60AHE3/9AT is explicitly AEC-Q101 qualified, as confirmed by its "HE3" suffix and documentation in Vishay's SMCJ5.0A–SMCJ188CA datasheet (Rev. 09-Jan-2024, Doc. #88394). It undergoes stress testing for high-temperature operating life, temperature cycling, and ESD robustness required for automotive electronics. The SMCJ60AHE3/9AT is commonly deployed in battery management, body control modules, and infotainment power inputs where 12 V/24 V rail protection against load dump and inductive switching is critical.
What does the "9AT" suffix indicate in SMCJ60AHE3/9AT?
The "9AT" suffix in SMCJ60AHE3/9AT specifies the packaging configuration: 13-inch diameter plastic tape and reel, with a base quantity of 3500 units per reel. This format is optimized for high-speed SMT placement equipment and supports just-in-time manufacturing workflows. The "HE3" portion denotes RoHS-compliant construction with AEC-Q101 qualification, while "9AT" is purely a packaging and logistics identifier - it does not affect electrical or thermal specifications of the SMCJ60AHE3/9AT device itself.
How does SMCJ60AHE3/9AT differ from SMCJ60CAHE3/9AT?
SMCJ60AHE3/9AT is unidirectional, with polarity marked by a cathode band and clamping action only in reverse bias; SMCJ60CAHE3/9AT is bidirectional, offering symmetrical clamping for AC or floating signals. Both share identical VWM (60 V), VBR, and VC ratings, but the unidirectional SMCJ60AHE3/9AT avoids forward conduction losses on grounded DC rails. For 12 V battery protection, SMCJ60AHE3/9AT is preferred; for RS-485 or CAN bus protection, SMCJ60CAHE3/9AT is required.
What is the thermal resistance of SMCJ60AHE3/9AT, and how does it impact PCB layout?
The SMCJ60AHE3/9AT has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W when mounted on the minimum recommended 8.0 mm × 8.0 mm copper pads per terminal, per Vishay's datasheet. This value assumes no additional heatsinking; designers must allocate adequate copper area to avoid exceeding 150 °C junction temperature during repetitive surge events. Reducing RθJA via larger pads or internal ground planes directly improves surge endurance and long-term reliability of the SMCJ60AHE3/9AT in thermally dense layouts.
SMCJ60AHE3/9AT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- 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:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMCJ)
SMCJ60AHE3/9AT FAQ
1.How can I place an order for SMCJ60AHE3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ60AHE3/9AT 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 SMCJ60AHE3/9AT reliable?
The price and inventory of SMCJ60AHE3/9AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ60AHE3/9AT is usually 5 days.
3.What payment methods are accepted for SMCJ60AHE3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ60AHE3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ60AHE3/9AT?
SMCJ60AHE3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ60AHE3/9AT 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 SMCJ60AHE3/9AT?
For technical support, including SMCJ60AHE3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ60AHE3/9AT requirements.
6.How does Aetrix verify that SMCJ60AHE3/9AT is sourced from the original manufacturer or authorized distributors?
All SMCJ60AHE3/9AT 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 SMCJ60AHE3/9AT meets industry standards.
7.What is the process for return or replacement of SMCJ60AHE3/9AT?
All SMCJ60AHE3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ60AHE3/9AT, 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 SMCJ60AHE3/9AT part is unused and in its original packaging.
Return procedure for SMCJ60AHE3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ60AHE3/9AT Tags
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