Circuit Protection

<p>The Kyocera AVX CAN0001DP is a zinc oxide (ZnO) based multilayer ceramic varistor (MLCV) designed for communication bus protection such as CAN Bus and FlexRay. It offers non-linear voltage-current characteristics with bi-directional clamping and integrated EMI/RFI attenuation.</p><p>&nbsp;</p><p>Key electrical specifications include a typical varistor voltage of 120V at 1mA DC, a clamping voltage of 225V typical at 1A (8x20µs), and a maximum peak current of 4A (8x20µs). The device handles up to 0.015J of energy (10x1000µs) and features low leakage current of 2µA maximum at working voltage. Capacitance is 22pF maximum at 1MHz, minimizing signal distortion on high-speed data lines.</p><p>&nbsp;</p><p>The varistor is housed in a standard 0603 (1608 Metric) surface mount package with Ni/Sn plated terminations. It operates over a wide temperature range of -55°C to 125°C and is supplied on 7-inch reels with 1000 pieces per reel. The part is AEC-Q200 qualified for automotive applications.</p>

<p>The STMicroelectronics ESDA6V1LY is a Zener-type transient voltage suppression (TVS) diode designed for protecting sensitive electronics from voltage transients. It features a reverse standoff voltage of 5.2V and a clamping voltage of 16V at a peak pulse current of 18A (8/20µs waveform). With a peak pulse power rating of 300W, this device can absorb substantial surge energy.</p><p>&nbsp;</p><p>This component integrates two unidirectional channels in a single SOT-23-3 surface-mount package. It is intended for general ESD protection and surge suppression in a variety of circuits. The operating temperature range spans -40°C to 150°C (junction), suitable for harsh environments.</p><p>&nbsp;</p><p>The ESDA6V1LY is qualified for automotive applications, meeting AEC-Q requirements. Its small footprint and low profile make it ideal for space-constrained designs. The device is RoHS3 compliant and REACH unaffected.</p>

<p>The ESD8106MUTAG is a transient voltage suppressor (TVS) diode from ON Semiconductor, specifically designed to protect USB 3.0 interfaces. It integrates protection for two SuperSpeed pairs (D+ and D− lines) into a single device. With a working peak reverse voltage of 3.3V and a typical clamping voltage of 11.4V, it safeguards sensitive high-speed data lines from ESD events.</p><p>&nbsp;</p><p>This device features ultra-low capacitance of 0.35 pF maximum (I/O to GND), ensuring minimal signal degradation on high-speed differential pairs. It meets IEC 61000-4-2 Level 4 ESD immunity with ±15kV contact and air discharge withstand capability. The ESD8106MUTAG is also Pb-Free, Halogen Free/BFR Free, and RoHS compliant.</p><p>&nbsp;</p><p>The component comes in a 14-UFDFN (UDFN14) surface-mount package with a supplier device package of 14-UDFN (3.5x1.35). The flow-through package style simplifies PCB layout and maintains consistent impedance for high-speed differential lines. It supports an operating junction temperature range of -55°C to 125°C.</p>

<p>The Bourns CDDFN10-3304NA is a steering (rail-to-rail) TVS diode array designed for ESD, EFT, and surge protection on high-speed data lines. It protects up to 4 unidirectional channels with a reverse standoff voltage of 3.3V and a minimum breakdown voltage of 3.9V at 1mA.</p><p>&nbsp;</p><p>The device provides clamping voltages of 12V, 15V, and 18V for peak pulse currents of 5A, 15A, and 25A respectively, under 8/20µs surge conditions. It features ultra-low capacitance: 4pF typical (4.6pF max) per pin to ground, and 1.5pF typical (2.3pF max) between I/O lines, making it suitable for high-speed interfaces.</p><p>&nbsp;</p><p>The array meets IEC 61000-4-2 (ESD) with ±30kV contact and air discharge, IEC 61000-4-4 (EFT) at 40A, and IEC 61000-4-5 (surge). It is housed in a 10-UFDFN exposed pad package (2.5x2.5mm DFN-10) and is surface mount compatible with standard pick-and-place equipment. Operating temperature range is -55°C to 125°C, with storage from -55°C to 150°C. RoHS3 compliant.</p>

<p>The BZW50-18 is a unidirectional transient voltage suppression (TVS) diode manufactured by STMicroelectronics. It is designed to protect sensitive electronic circuits from voltage transients induced by lightning, inductive load switching, and electrostatic discharge. The device features a reverse standoff voltage of 18V and a clamping voltage of 41.5V, ensuring that downstream components are not exposed to damaging overvoltage conditions.</p><p>&nbsp;</p><p>With a peak pulse power rating of 5000W (5kW) and a peak pulse current capability of 1446A (8/20µs waveform), the BZW50-18 can handle high-energy transients. The diode has a capacitance of 11500pF at 1MHz, which may be a consideration for high-frequency applications. It is a Zener-based TVS diode with a single unidirectional channel and does not provide power line protection.</p><p>&nbsp;</p><p>The BZW50-18 is housed in an R-6 package and is designed for through-hole mounting. This package is suitable for high-power applications and provides robust thermal performance. The device is RoHS3 compliant and has an MSL of 1 (unlimited). It is intended for general-purpose transient protection applications.</p>

<p>The Littelfuse 1206L150THWR is a surface-mount PolySwitch PTC resettable fuse from the 1206L series. It provides overcurrent protection with a hold current of 1.5 A and a trip current of 3.0 A at 8 V DC maximum voltage. The device can withstand fault currents up to 100 A and has a typical power dissipation of 0.8 W in still air at 20°C.</p><p>&nbsp;</p><p>This polymeric PTC offers fast tripping with a maximum time to trip of 300 ms at 8 A. Initial resistance is as low as 0.040 Ω, rising to a maximum of 0.120 Ω one hour after tripping or reflow soldering. The operating temperature range is -40°C to 85°C.</p><p>&nbsp;</p><p>Housed in a 1206 (3216 Metric) concave package measuring 3.20 mm x 1.65 mm x 1.00 mm, it is designed for automated surface-mount assembly. The part is RoHS compliant, lead-free, and halogen-free as verified by the manufacturer datasheet.</p>

<p>The CV300K10T is a disc-shaped transient surge suppressor from the CV series, designed for continuous operation in low to medium voltage electronic circuits and across AC power lines. It is rated for a maximum AC voltage of 300 Vrms and a maximum DC voltage of 385 V. The varistor voltage measures between 423 V and 517 V typically at 470 V (measured at 1 mA DC).</p><p>&nbsp;</p><p>This varistor can handle a peak surge current of 2.5 kA (8/20 µs waveform) and absorb 82 J of energy (10/1000 µs). Its response time is less than 25 ns, providing fast overvoltage protection. The insulation resistance exceeds 1 GΩ and isolation voltage capability is greater than 2.5 kV.</p><p>&nbsp;</p><p>The device operates over an ambient temperature range of -40°C to +85°C and can be stored from -40°C to +125°C. It is housed in a 10 mm disc through-hole package with radial leads, requiring minimal mounting space. The CV300K10T is RoHS, REACH, lead free, and halogen free compliant.</p>

<p>The ESD5B5.0ST5G is a bi-directional ESD protection diode from On Semiconductor, designed to protect voltage-sensitive components from electrostatic discharge. It features a reverse standoff voltage of 5V (max) and a nominal breakdown voltage of 6.4V at 1mA. The clamping voltage is 9.9V (max) at a peak pulse current of 8A (8x20µs waveform), with a peak pulse power handling of 50W. The device offers ultra-low capacitance of 32pF at 1MHz, making it suitable for high-speed signal lines. It provides excellent ESD protection with ratings of ±30kV contact and air discharge per IEC 61000-4-2, &gt;16kV HBM, and 400V MM. The response time is typically less than 1ns. The diode is housed in a compact SOD-523 (SC-79) surface mount package with body dimensions of 1.6mm x 0.8mm x 0.6mm. It is Pb-free, RoHS compliant, and meets MSL 1 requirements. The epoxy molding compound is UL 94 V-0 rated. The device is ideal for protecting audio lines and other interfaces in portable electronics such as cellular phones and MP3 players.</p>

<p>The Littelfuse 16R135BPR is a polymeric PTC resettable fuse designed for overcurrent protection in low-voltage electronics. It features a hold current of 1.35A and a maximum voltage rating of 16V. The device has an initial resistance of 120 mΩ and a typical time to trip of 4.5 seconds under specified overcurrent conditions. It operates over a temperature range of -40°C to 85°C.</p><p>&nbsp;</p><p>The fuse is housed in a radial disc package with through-hole mounting. Lead spacing is 5.1mm, and the overall dimensions are 13.5mm height, 8.9mm length, and 3.0mm width. This package is suitable for automated insertion and manual assembly.</p><p>&nbsp;</p><p>Typical applications include USB port protection, computer peripherals, and general electronics requiring resettable overcurrent protection. The 16R135BPR is part of the Littelfuse 16R series, which offers a 100A short circuit rating at the series level. Compliance with RoHS, REACH, and Halogen-Free requirements is claimed, though unverified for this specific part number.</p>

<p>The 1SMA6.0AT3G is a unidirectional Zener TVS diode from Littelfuse designed to protect sensitive electronic circuits from voltage transients. It features a reverse standoff voltage of 6V and a clamping voltage of 10.3V at a peak pulse current of 38.8A. With a peak pulse power rating of 400W (10/1000μs waveform), this device is suitable for general-purpose transient protection applications.</p><p>&nbsp;</p><p>This TVS diode is housed in a compact DO-214AC (SMA) surface-mount package, making it suitable for automated assembly processes. It operates over a wide temperature range from -65°C to 150°C and has a capacitance of 1730pF at 1MHz. The device is rated as power line protection: No, confirming it is intended for signal line protection rather than direct power rail clamping.</p><p>&nbsp;</p><p>Typical applications include general purpose voltage transient suppression in consumer, industrial, and communication systems where unidirectional protection is required. The single-channel design provides targeted protection for individual signal lines.</p>

<p>The AOZ8131DI-05L is an ultra-low capacitance one-line bi-directional transient voltage suppressor diode designed by Alpha &amp; Omega Semiconductor. It protects high-speed data lines and voltage-sensitive electronics from high transient conditions and ESD. The device incorporates one TVS diode in an ultra-small DFN 1006 package.</p><p>&nbsp;</p><p>Key electrical specifications include a working peak reverse voltage of 5.0V, a maximum clamping voltage of 22V at a peak pulse current of 4A (8/20µs), and a typical capacitance of 1.25pF at 1MHz. It exceeds IEC 61000-4-2 ESD protection levels of ±24kV contact and air discharge, and meets IEC 61000-4-4 EFT immunity of ±40A. The human body model rating is ±30kV.</p><p>&nbsp;</p><p>The AOZ8131DI-05L is housed in a surface-mount 2-UDFN package (DFN 1006, 1.0mm x 0.6mm x 0.5mm). It operates over a junction temperature range of -40°C to +125°C and is rated for ambient temperatures from -40°C to +85°C. The device is Pb-free and RoHS compliant per the datasheet.</p><p>&nbsp;</p><p>Typical applications include portable handheld devices, keypads, data lines, notebook computers, digital cameras, portable GPS, and MP3 players. The ultra-small package and low capacitance make it ideal for high-speed signal protection where PCB space is at a premium.</p>

<p>The 1.5KE39CA is a bidirectional Zener TVS diode from STMicroelectronics designed for general purpose transient voltage suppression. It provides a 33.3V reverse standoff voltage and a typical breakdown voltage of 37.1V. The device can clamp transients to 69.7V while handling a peak pulse current of 143A (8/20µs waveform) with a power rating of 1500W (1.5kW).</p><p>&nbsp;</p><p>This TVS diode is not intended for power line protection and is suited for unidirectional and bidirectional configurations in low-voltage circuits. The device features a capacitance of 1200pF at 1MHz.</p><p>&nbsp;</p><p>The 1.5KE39CA is offered in a DO-201AA (DO-27) axial-lead through-hole package, making it suitable for manual and automated assembly processes. The DO-201 package provides robust mechanical and thermal performance for reliable circuit protection.</p>

<p>The ESDA14V2-4BF3 is a steering (rail-to-rail) TVS diode manufactured by STMicroelectronics. It is designed for general purpose ESD protection in high-speed data line applications.</p><p>&nbsp;</p><p>This device features a 12V reverse standoff voltage (VRWM) and a peak pulse power rating of 50W. It provides 4 unidirectional channels for clamping transient voltages. Note that power line protection is not supported.</p><p>&nbsp;</p><p>The ESDA14V2-4BF3 is packaged in a surface mount 5-WFBGA, FCBGA package with a supplier device package of 5-FlipChip (0.94x0.94). It operates over a temperature range of -40°C to 125°C (TJ).</p><p>&nbsp;</p><p>As a rail-to-rail steering TVS, this component is suitable for protecting sensitive circuits from electrostatic discharge (ESD) and other voltage transients. Its compact package makes it ideal for space-constrained designs.</p>

<p>The ESDAVLC6-2BLY is a bidirectional Zener TVS diode designed by STMicroelectronics for protecting sensitive electronics from voltage transients. It features a reverse standoff voltage of 5V and a clamping voltage of 17V, capable of handling peak pulse currents up to 5.5A (8/20µs) with a peak pulse power rating of 140W. The device offers low capacitance of 0.95pF at 1MHz, making it suitable for high-speed signal line protection.</p><p>&nbsp;</p><p>This TVS diode is qualified for automotive applications and operates over a wide temperature range from -55°C to 150°C. It is supplied in a compact SOT-23-3 surface mount package, also known as TO-236-3 or SC-59, enabling space-efficient PCB designs. The part is RoHS3 compliant and has an MSL rating of 1 (unlimited).</p>