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HomeProductsCircuit ProtectionTVS - DiodesMSMLJ60CA/TR
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MSMLJ60CA/TR - Microchip Technology

Manufacturer Part Number
MSMLJ60CA/TR
Manufacturer
Microchip Technology
Allelco Part Number
98D-MSMLJ60CA/TR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
32,186 pcs available, New & Original
Parts Description
TVS DIODE 60VWM 96.8VC SMLJ
Package
SMLJ (DO-214AB)
Data sheet
MSMLJ60CA/TR.pdf
RoHs Status
 
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In stock: 32186
  • Unit Price: $2.76
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Specifications

MSMLJ60CA/TR Tech Specifications
Microchip Technology - MSMLJ60CA/TR technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - MSMLJ60CA/TR

Product Attribute Attribute Value
Manufacturer Microchip Technology
Voltage - Reverse Standoff (Typ) 60V
Voltage - Clamping (Max) @ Ipp 96.8V
Voltage - Breakdown (Min) 66.7V
Type Zener
Supplier Device Package SMLJ (DO-214AB)
Series Military, MIL-PRF-19500
Power Line Protection No
Power - Peak Pulse 3000W (3kW)
Product Attribute Attribute Value
Package / Case DO-214AB, SMC
Package Tape & Reel (TR)
Operating Temperature -65°C ~ 150°C (TJ)
Mounting Type Surface Mount
Current - Peak Pulse (10/1000µs) 31A
Capacitance @ Frequency -
Bidirectional Channels 1
Base Product Number SMLJ60
Applications General Purpose

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8541.10.0080

Frequently Asked Questions(FAQ)

What is the peak pulse power rating and clamping voltage of the MSMLJ60CA/TR TVS diode under a 10/1000µs surge condition, and how does this influence transient protection design margins?
The MSMLJ60CA/TR provides a peak pulse power dissipation of 3 kW (3000W) and a maximum clamping voltage of 96.8V when subjected to an 8/20µs or 10/1000µs transient current of 31A. This performance indicates its suitability for protecting circuits from high-energy surges such as those induced by lightning or inductive switching events. Designers should ensure that the expected surge energy in their application remains below 3 kW to maintain reliability, while also evaluating whether the 96.8V clamping level is compatible with downstream component voltage tolerances to avoid secondary damage.
How does the breakdown voltage and standoff voltage of the MSMLJ60CA/TR compare to similar SMLJ series devices, and what implications does this have for overvoltage protection thresholds in industrial control systems?
With a reverse standoff voltage of 60V and a minimum breakdown voltage of 66.7V, the MSMLJ60CA/TR operates within a narrow margin above normal operating voltages, allowing precise overvoltage detection before significant conduction occurs. Compared to other SMLJ variants like the MSMLJ40CA or MSMLJ75CA, this model targets applications requiring protection around 60V nominal rails. In industrial control systems where 24V or 48V logic circuits are common, this device offers optimized response without false triggering, provided system transients do not exceed its 96.8V clamp limit.
Can the MSMLJ60CA/TR be used in bidirectional overvoltage protection for CAN bus lines, and what capacitance considerations must be addressed given its lack of specified junction capacitance?
While the MSMLJ60CA/TR is unidirectional—supporting only bidirectional current flow due to its internal Zener-like behavior under reverse bias—it can still offer robust protection for unidirectional signal lines like CAN_H or CAN_L if paired with complementary diodes. However, since no capacitance value is listed, designers should assume relatively low capacitance suitable for high-speed differential signaling. Still, without explicit Cj data, verification via SPICE simulation or empirical testing under 1MHz–10MHz signals is advisable to ensure signal integrity is not compromised during transient events.
What thermal performance characteristics should engineers evaluate when integrating the MSMLJ60CA/TR into a compact PCB layout with limited airflow?
Operating over -65°C to +150°C junction temperature range, the MSMLJ60CA/TR supports harsh environments, but peak pulse handling depends heavily on thermal mass and trace geometry. During a single 10/1000µs event at 31A, localized heating can occur rapidly; thus, adequate copper area under the DO-214AB pad and minimal inductance in ground path are critical to dissipate heat quickly. In sealed or high-density assemblies, multiple pulses may accumulate thermal stress, necessitating derating based on duty cycle analysis.
Is the MSMLJ60CA/TR qualified under MIL-PRF-19500, and what does this imply for defense or aerospace applications requiring long-term reliability?
Yes, the MSMLJ60CA/TR meets MIL-PRF-19500 qualification standards, indicating it has undergone rigorous screening including thermal cycling, vibration, and life testing per military specifications. This makes it appropriate for mission-critical systems in defense or aerospace where failure modes must be minimized. Engineers selecting this part benefit from traceable lot codes and controlled manufacturing processes, though they must confirm that the specific part number is included in the applicable supplier’s qualified products list (QPL).
How does the package size and form factor of the SMLJ (DO-214AB) impact placement density and compatibility with automated assembly lines using tape-and-reel packaging?
The MSMLJ60CA/TR comes in the SMLJ package variant of DO-214AB, which measures approximately 6.1 mm x 5.3 mm x 2.2 mm—smaller than traditional SMB but larger than SOD-323. Its tape-and-reel packaging aligns with standard pick-and-place equipment, enabling high-volume production efficiency. The flat profile facilitates close spacing on PCBs without risking solder bridging, making it ideal for space-constrained designs such as embedded controllers or IoT edge devices where footprint economy matters.
Given the absence of power line protection features, under what conditions might the MSMLJJ60CA/TR be insufficient for mains-connected equipment, and what supplemental components would be required?
Since the MSMLJ60CA/TR lacks integrated EMI filtering or gas discharge tube coordination, it cannot independently protect against sustained overvoltages or high-energy grid disturbances typical of AC mains environments. For use in mains-powered devices, it should be combined with fuse-based overcurrent protection, MOVs, or coordinated surge arrestors rated to higher energy levels (e.g., 10kA+). Additionally, proper creepage and clearance distances per IEC 60664 must be maintained to prevent arcing through air gaps.
What is the significance of the Moisture Sensitivity Level (MSL) 1 classification for the MSMLJ60CA/TR, and how does it affect storage and handling during surface-mount assembly?
Rated MSL 1 (unlimited floor life), the MSMLJ60CA/TR requires no special baking prior to reflow soldering under standard JEDEC J-STD-020 conditions. This simplifies inventory management and reduces handling costs in high-volume manufacturing, as exposure to ambient humidity poses negligible risk of delamination or popcorning during reflow. As long as standard ESD precautions are followed, parts can remain on tape reel indefinitely until use.
How does the base product number SMLJ60 relate to the full model MSMLJ60CA/TR, and what role does the suffix play in distinguishing between manufacturers or quality grades?
The base number SMLJ60 refers to the family of 60V bidirectional TVS diodes in the SMLJ package. The MSMLJ60CA/TR denotes Microchip’s specific offering with enhanced surge capability (31A Ipp), automotive-grade qualification (C = Commercial AEC-Q101 compliant), and tape-and-reel packaging. Suffixes like “TR” indicate reel format, while “C” often signifies commercial grade with AEC-Q101 validation. This allows designers to distinguish between general-purpose and high-reliability variants across suppliers.
What are the key differences between the MSMLJ60CA/TR and a standard SMBJ60CA in terms of surge handling and package dimensions, particularly for retrofitting legacy designs?
While both share similar electrical characteristics (60V Vrmw, 96.8V Vc @ 31A), the MSMLJ60CA/TR uses the smaller SMLJ package instead of SMBJ’s DO-214AA. The SMLJ occupies ~40% less board space, enabling denser layouts. However, its lead frame may have slightly lower current capacity under continuous DC conditions. Retrofitting requires checking footprint compatibility and verifying that existing solder profiles accommodate the reduced thermal mass of the SMLJ without cold joints.
Why might a designer choose the MSMLJ60CA/TR over ceramic capacitors for transient suppression in motor driver circuits, despite the latter’s superior frequency response?
Ceramic capacitors excel at absorbing high-frequency noise but lack energy absorption capability for large transients. The MSMLJ60CA/TR delivers 3kW pulse power and precise voltage clamping at 96.8V, effectively diverting dangerous voltage spikes away from sensitive ICs. Unlike capacitors that store charge and potentially resonate with inductors, TVS diodes act instantaneously with predictable response times (<1ns). Thus, in motor-driven loads where back-EMF generates massive inductive kickbacks, the MSMLJ60CA/TR provides essential hard overvoltage protection even if frequency response is secondary.
What environmental and regulatory factors should be considered when sourcing the MSMLJ60CA/TR globally, especially regarding export controls and material compliance?
The MSMLJ60CA/TR is classified under ECCN EAR99 and HTSUS 8541.10.0080, indicating no significant trade restrictions for most countries. REACH status confirms no SVHC content concerns. However, military-grade derivatives may require ITAR oversight depending on end-use. Designers should verify local import documentation requirements and ensure supply chain transparency, particularly when integrating into systems destined for regulated industries like medical or telecommunications.
How does the absence of specified capacitance at any frequency affect high-speed digital interface protection schemes using the MSMLJ60CA/TR alongside ESD arrays?
Without explicit junction capacitance values, assumptions about signal coupling or bandwidth limitations become uncertain. In high-speed interfaces (e.g., Gigabit Ethernet or USB 3.0), even small parasitic capacitance from TVS diodes can cause reflections or attenuation. Engineers should either select alternative devices with known low-Cj specs or perform time-domain reflectometry (TDR) testing to validate impedance continuity. Alternatively, placing the MSMLJ60CA/TR farther from connectors and using co-packaged solutions may mitigate risks.
Can multiple MSMLJ60CA/TR devices be paralleled to increase surge current handling, and what challenges arise from mismatch in clamping voltage or response time?
Paralleling MSMLJ60CA/TR diodes is generally discouraged due to potential imbalance in turn-on voltage and dynamic resistance. Even minor variations in breakdown threshold can cause one device to conduct disproportionately during fast transients, leading to premature degradation or localized heating. Instead, designers should select higher-rated TVS diodes (e.g., 150V or dual-channel alternatives) capable of handling the full Ipp requirement in a single package, ensuring balanced operation and simplified layout.
What role does the military qualification (MIL-PRF-19500) play in ensuring long-term availability and obsolescence mitigation for the MSMLJ60CA/TR in ruggedized electronics?
MIL-PRF-19500 compliance signals adherence to stringent lifecycle management practices, including controlled fabrication sites, extended test protocols, and backward-compatible redesign support. For ruggedized systems requiring decades-long operational life, this reduces risk of sudden discontinuation. Suppliers committed to military standards typically offer longer production lifecycles and facilitate cross-referencing with equivalent QPL-listed parts, aiding continuity planning in avionics, naval, or satellite applications.
How should the MSMLJ60CA/TR be positioned relative to protected loads to maximize effectiveness in suppressing inductive kickback from relays or solenoids?
To achieve optimal transient suppression, the MSMLJ60CA/TR should be placed as close as possible to the load terminals—ideally within 1–2 cm—to minimize loop inductance between the TVS and inductive element. This ensures rapid diversion of transient currents before they propagate along signal traces. Additionally, a low-inductance bypass capacitor (e.g., 100nF ceramic) near the TVS helps absorb residual high-frequency components, enhancing overall robustness against repetitive switching events.
In what scenarios would the MSMLJ60CA/TR outperform polymer-based surge suppressors in terms of response speed and recovery characteristics?
Polymer surge suppressors exhibit slower response (>10ns) and may require cooling periods after activation, making them unsuitable for fast transients like ESD or IEC 61000-4-5 surges. The MSMLJ60CA/TR, leveraging semiconductor physics, responds in <1ns and recovers fully within microseconds, enabling repeated protection without reset delays. This makes it ideal for applications demanding instantaneous action—such as power supply inputs, communication ports, or microcontroller I/O lines—where latency and reliability are paramount.

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology MSMLJ60CA/TR

Product Attribute MSMLJ60CAE3/TR MSMLJ6.5CAE3/TR MSMLJ60AE3/TR MSMLJ6.5CA/TR
Part Number MSMLJ60CAE3/TR MSMLJ6.5CAE3/TR MSMLJ60AE3/TR MSMLJ6.5CA/TR
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Bidirectional Channels - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Base Product Number - DAC34H84 MAX500 ADS62P42
Power Line Protection - - - -
Type - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Series - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Capacitance @ Frequency - - - -
Voltage - Breakdown (Min) - - - -
Voltage - Clamping (Max) @ Ipp - - - -
Voltage - Reverse Standoff (Typ) - - - -
Applications - - - -
Power - Peak Pulse - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Current - Peak Pulse (10/1000µs) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount

MSMLJ60CA/TR Datasheet PDF

Download MSMLJ60CA/TR pdf datasheets and Microchip Technology documentation for MSMLJ60CA/TR - Microchip Technology.

PCN Assembly/Origin
Manufacturing Change 23/Feb/2021.pdf
HTML Datasheet
MSMLx5.0A - MSMLx170CAe3.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Arch***ct
    Jul 15, 2026

    Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.

  • FPGA***lorer88
    Jul 7, 2026

    The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.

  • Nath***oleman
    Jun 29, 2026

    Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

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MSMLJ60CA/TR Image

MSMLJ60CA/TR

Microchip Technology
98D-MSMLJ60CA/TR

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