Diodes Incorporated 3.0SMCJ6.0CA-13

Overview

3.0SMCJ6.0CA-13 from Diodes Incorporated is a bi-directional 3000W surface-mount transient voltage suppressor (TVS) designed for overvoltage protection on power rails and signal lines. It features a 6.0V reverse standoff voltage, 10.3V max clamping voltage at 291.3A peak pulse current, and IEC-61000-4-2 ESD immunity (30kV air/30kV contact), commonly deployed in industrial power supplies and automotive body control modules.

For engineers reviewing the 3.0SMCJ6.0CA-13 datasheet, 3.0SMCJ6.0CA-13 pinout, 3.0SMCJ6.0CA-13 application, or 3.0SMCJ6.0CA-13 equivalent, key selection criteria include clamping voltage margin relative to protected IC V_DD, peak pulse current handling under 10/1000μs surge, bi-directional symmetry for AC-coupled lines, and SMC package thermal performance under sustained transients.

Technical Context

This TVS diode operates as a voltage-clamped crowbar device: when transient voltage exceeds its 6.0V standoff threshold, it avalanches into low-impedance conduction, limiting downstream voltage to ≤10.3V while diverting up to 291.3A (10×1000μs waveform). Its bi-directional construction enables symmetric clamping on AC signals or differential buses without polarity constraints.

Constructed with glass-passivated silicon die in an SMC package, it delivers stable breakdown behavior across -55°C to +150°C junction temperature, with <5μA reverse leakage at VRWM and full compliance to JEDEC high-reliability standards for industrial and automotive-qualified derivatives.

Key Specifications

Pinout & Package

Package: SMC (DO-214AB), molded plastic, UL 94V-0 rated, 0.21g weight, matte tin-plated leads solderable per MIL-STD-202 Method 208. Bi-directional configuration has no polarity indicator; terminals are symmetrical anode/cathode pair.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar transient voltage suppression applications.

Compared with SMBJ6.0CA-T and 1.5SMCJ6.0CA, the 3.0SMCJ6.0CA-13 provides 2× the pulse energy handling of the 1.5kW variant and 15× the surge capacity of the SMB version-critical for protecting against load dump and lightning-induced transients in industrial and automotive systems.

Availability

3.0SMCJ6.0CA-13 is available at Aetrix Electronics and suitable for industrial power input protection, automotive body control modules, RS-485 data line hardening, and AC-DC adapter surge suppression requiring stable component supply and traceable sourcing.

Supply support for 3.0SMCJ6.0CA-13 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

Diodes Incorporated is a global semiconductor company specializing in discrete, analog, and mixed-signal solutions, with design centers across Asia, Europe, and the US.

This part belongs to the 3.0SMCJ series of high-power TVS diodes engineered for ruggedized overvoltage protection in automotive, industrial, and telecom infrastructure applications where reliability under extreme surge conditions is mandatory.

FAQ

What is the maximum clamping voltage of the 3.0SMCJ6.0CA-13 under a 10×1000μs surge?

The maximum clamping voltage is 10.3V when subjected to its rated peak pulse current of 291.3A under the standardized 10×1000μs waveform. This value is guaranteed across the full operating temperature range (-55°C to +150°C) and represents the upper limit of voltage seen by downstream components during worst-case transient events.

Is the 3.0SMCJ6.0CA-13 unidirectional or bidirectional, and how is polarity indicated?

The "CA" suffix denotes bi-directional configuration; it has no cathode band or polarity marking. Both terminals are functionally identical, enabling symmetric clamping on AC-coupled lines or differential buses like RS-485 or CAN without orientation constraints during placement.

Can this TVS be used in automotive applications requiring AEC-Q200 qualification?

The base 3.0SMCJ6.0CA-13 is not AEC-Q200 qualified; however, Diodes offers automotive-grade variants (e.g., 3.0SMCJ6.0CAQ-13) with PPAP documentation, manufactured in IATF 16949-certified facilities and tested per AEC-Q200 stress requirements for passive components.

What is the thermal derating behavior above +25°C ambient?

Peak pulse power derates linearly from 100% at +25°C to approximately 50% at +125°C, per Figure 1 in DS30818 Rev. 18. At +150°C, it retains ~30% of rated 3000W capability, ensuring functional protection even in high-temperature under-hood or enclosed industrial enclosures.