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Vishay General Semiconductor - Diodes Division SMCJ60CAHM3/H
- Part No.:
- SMCJ60CAHM3/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ60CAHM3/H.pdf
- Description:
- TVS DIODE 60VWM 96.8VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:5,354
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Product details
Overview
SMCJ60CAHM3/H from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode in SMC (DO-214AB) package, designed for robust overvoltage protection of sensitive electronics. It features a 60 V standoff voltage (VWM), 96.8 V maximum clamping voltage (VC) at 15.5 A peak pulse current (IPPM), and 1500 W peak pulse power dissipation (10/1000 μs waveform), making it suitable for automotive power line and industrial sensor interface protection.
For engineers reviewing the SMCJ60CAHM3/H datasheet, SMCJ60CAHM3/H pinout, SMCJ60CAHM3/H application, or SMCJ60CAHM3/H equivalent, key selection criteria include bidirectional clamping symmetry, AEC-Q101 qualification, halogen-free RoHS compliance, and thermal resistance (RθJA = 75 °C/W) under standard PCB pad layout.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector with symmetrical breakdown behavior in both polarities due to its bidirectional construction. Its glass-passivated junction enables fast response time (<1 ns) and low incremental surge resistance, critical for suppressing ESD and lightning-induced transients on DC power rails and signal lines.
The device is rated for continuous operation from –55 °C to +150 °C junction temperature and meets MSL Level 1 per J-STD-020 with 260 °C reflow peak. Its 75 °C/W junction-to-ambient thermal resistance assumes mounting on 0.31" × 0.31" copper pads - a design constraint directly impacting sustained surge handling capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 60 V - Maximum continuous reverse operating voltage before clamping begins; defines safe operating margin below system rail. |
| VBR min/max | 66.7 V / 73.7 V at 1 mA - Verified breakdown threshold range ensures consistent turn-on across production lots. |
| VC @ IPPM | 96.8 V at 15.5 A - Clamping voltage under 10/1000 μs surge defines worst-case voltage seen by protected ICs. |
| PPPM | 1500 W - Peak pulse power rating determines survivability against standardized lightning surges (IEC 61000-4-5). |
| IPPM | 15.5 A - Peak pulse current capacity directly correlates with energy absorption (E = VC × ∫i dt). |
| TJ max | +150 °C - Maximum junction temperature sets derating envelope for high-temperature environments like engine compartments. |
| RθJA | 75 °C/W - Thermal resistance value requires specific 8 mm × 8 mm copper pad layout to achieve published power ratings. |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, bidirectional configuration with no polarity marking. Dimensions: 7.11 mm × 6.22 mm × 2.62 mm (L × W × H); matte tin-plated leads, J-STD-002 solderable.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current sink (negative polarity) | Provides low-impedance path to ground during negative voltage excursions; symmetric with cathode. |
| Cathode | Transient current sink (positive polarity) | Provides low-impedance path to ground during positive voltage excursions; symmetric with anode. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive powertrain and chassis applications requiring reliability under thermal cycling and vibration stress. |
| Halogen-free & RoHS-compliant | Meets EU Directive 2011/65/EU and IPC-1752A material declarations; supports green manufacturing requirements. |
| Low incremental surge resistance | Enables tighter clamping (VC − VBR ≈ 30 V) versus competing TVS devices, reducing stress on downstream components. |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and standard reflow without baking; simplifies SMT assembly logistics. |
| Glass passivated junction | Improves long-term stability and leakage performance vs. epoxy-passivated alternatives, especially at elevated temperatures. |
Applications
| Automotive Power Line Protection | Industrial Sensor Interface |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs from load dump (ISO 7637-2 Pulse 5a) and alternator ripple. IC Role / Device Role / Timing Role: Shunt clamping element placed between power rail and ground, activated within <1 ns of overvoltage event. Use Value: Limits transient voltage to ≤96.8 V, preventing damage to microcontrollers and CAN transceivers rated for 36 V absolute max. | Use Scenario: Safeguarding 4–20 mA current loop inputs in PLC analog modules exposed to field wiring surges. IC Role / Device Role / Timing Role: Bidirectional voltage clamp across input terminals, absorbing ±1 kV/500 A surges per IEC 61000-4-5. Use Value: Maintains signal integrity by clamping without forward conduction, preserving loop accuracy during transient events. |
| Telecom DC Power Feeds | Consumer Appliance Motor Control |
Use Scenario: Protecting PoE-powered Ethernet switches and base stations from induced surges on 48 V DC distribution lines. IC Role / Device Role / Timing Role: Primary overvoltage suppression stage upstream of DC-DC converters and PHY ICs. Use Value: Absorbs up to 1500 W surge energy while holding clamped voltage below 100 V, ensuring converter IC survival. | Use Scenario: Shielding BLDC motor driver ICs from back-EMF spikes generated during commutation in washing machines and HVAC fans. IC Role / Device Role / Timing Role: Clamp across motor phase outputs or supply rails to divert inductive kickback energy. Use Value: Prevents latch-up or gate oxide rupture in MOSFET drivers by limiting transient overshoot to 96.8 V. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ60CAHE3/A | Lower PPPM (400 W), SMA package (smaller footprint, higher RθJA = 110 °C/W), same VWM/VC. | Suitable only for lower-energy transients; not recommended for ISO 7637-2 Pulse 5a or IEC 61000-4-5 Level 4. | Select when board space is constrained and surge threat level is limited to ESD or minor switching noise. |
| SMCJ60CA-E3/57T | Same electrical specs and SMC package, but commercial-grade (non-AEC-Q101), RoHS-compliant with lead-free matte tin plating. | Lacks automotive qualification; unsuitable for under-hood or safety-critical systems requiring AEC-Q101 traceability. | Choose for cost-sensitive industrial or consumer designs where automotive reliability certification is not required. |
Compared with SMCJ60CAHE3/A and SMCJ60CA-E3/57T, the SMCJ60CAHM3/H uniquely combines 1500 W surge capability, AEC-Q101 qualification, and halogen-free compliance - enabling single-part sourcing for Tier 1 automotive suppliers needing full regulatory alignment.
Availability
SMCJ60CAHM3/H is available at Aetrix Electronics and suitable for automotive power line protection, industrial sensor interface hardening, and telecom DC feed protection requiring stable component supply across multi-year production cycles.
Supply support for SMCJ60CAHM3/H 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 and application-specific performance.
The SMCJ series is engineered for high-energy transient suppression in harsh environments, targeting automotive, industrial, and telecom infrastructure where failure tolerance and long-term stability are mandatory.
FAQ
What is the clamping voltage of the SMCJ60CAHM3/H under a 10/1000 µs surge?
The SMCJ60CAHM3/H has a maximum clamping voltage (VC) of 96.8 V when subjected to its rated peak pulse current of 15.5 A using the standard 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 SMCJ60CAHM3/H maintains this clamping performance across its full operating temperature range.
Is the SMCJ60CAHM3/H qualified for automotive applications?
Yes, the SMCJ60CAHM3/H is AEC-Q101 qualified, as confirmed by Vishay's ordering code suffix "HM3" (halogen-free, RoHS-compliant, and AEC-Q101 qualified). This qualification covers stress tests including temperature cycling, humidity bias, and mechanical shock - validating its suitability for under-hood and chassis-mounted automotive electronics. The SMCJ60CAHM3/H is explicitly listed in Vishay's AEC-Q101 documentation for the SMCJ family.
How does the SMCJ60CAHM3/H differ from unidirectional SMCJ60A variants?
The SMCJ60CAHM3/H is bidirectional, meaning it provides symmetrical clamping for both positive and negative transients, with no cathode band marking. In contrast, unidirectional SMCJ60A types have a cathode band and conduct only in reverse bias. The SMCJ60CAHM3/H exhibits identical VBR, VWM, and VC specifications in both directions, making it ideal for AC-coupled or floating signal lines where polarity is undefined.
What PCB layout is required to achieve the rated 1500 W pulse power for the SMCJ60CAHM3/H?
To achieve the full 1500 W peak pulse power rating, the SMCJ60CAHM3/H must be mounted on minimum 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads per terminal, as specified in Vishay's datasheet Figure 2 and thermal characterization. Reducing pad size increases RθJA and causes premature thermal failure during surge events. The SMCJ60CAHM3/H's RθJA of 75 °C/W is valid only under this layout condition.
Does the SMCJ60CAHM3/H meet UL 497B recognition?
Yes, the SMCJ60CAHM3/H carries Underwriters Laboratories recognition under UL 497B (file E136766) for both unidirectional and bidirectional configurations. This certification confirms its suitability as a primary protector in telecommunications and data line applications, covering dielectric withstand, surge current endurance, and flammability (UL 94 V-0 molding compound). The SMCJ60CAHM3/H is explicitly listed in Vishay's UL recognition documentation.
SMCJ60CAHM3/H 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:
- -
- Bidirectional Channels:
- 1
- 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:
- 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)
SMCJ60CAHM3/H FAQ
1.How can I place an order for SMCJ60CAHM3/H through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ60CAHM3/H 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 SMCJ60CAHM3/H reliable?
The price and inventory of SMCJ60CAHM3/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ60CAHM3/H is usually 5 days.
3.What payment methods are accepted for SMCJ60CAHM3/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ60CAHM3/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ60CAHM3/H?
SMCJ60CAHM3/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ60CAHM3/H 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 SMCJ60CAHM3/H?
For technical support, including SMCJ60CAHM3/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ60CAHM3/H requirements.
6.How does Aetrix verify that SMCJ60CAHM3/H is sourced from the original manufacturer or authorized distributors?
All SMCJ60CAHM3/H 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 SMCJ60CAHM3/H meets industry standards.
7.What is the process for return or replacement of SMCJ60CAHM3/H?
All SMCJ60CAHM3/H units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ60CAHM3/H, 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 SMCJ60CAHM3/H part is unused and in its original packaging.
Return procedure for SMCJ60CAHM3/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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