Circuit Protection

<p>The Bourns 15KPA024C-SD-Q is a high-power Zener transient voltage suppressor (TVS) diode designed for surge and ESD protection in demanding automotive applications. This bidirectional device offers a working peak reverse voltage of 24 V and a maximum clamping voltage of 37.4 V, providing robust protection for sensitive electronics.</p><p>&nbsp;</p><p>With a peak pulse power rating of 15 kW (10/1000 µs) and a peak pulse current of 400.7 A, this TVS diode handles high-energy transients effectively. The breakdown voltage range is specified from 24.49 V to 29.50 V at a test current of 5 mA, and the maximum reverse leakage current is 10 µA at the working voltage.</p><p>&nbsp;</p><p>Housed in a surface-mount DO-218AB package (DO-218), the device operates over a wide temperature range from -55°C to +175°C. It is AEC-Q101 qualified for automotive reliability. Surface-mount packaging facilitates efficient automated assembly.</p>

<p>The 1.5KE15CA is a bidirectional Zener TVS diode designed to protect sensitive electronic equipment from voltage transients. It features a reverse standoff voltage of 12.8 V and a clamping voltage of 27.2 V at a peak pulse current of 368 A (8/20 µs waveform). With a peak pulse power rating of 1500 W, it provides robust transient protection for general-purpose applications.</p><p>&nbsp;</p><p>This diode uses a glass passivated chip junction in a DO-201 package with axial leads, suitable for through-hole mounting. It is RoHS3 compliant, has an MSL rating of 1 (Unlimited), and is REACH unaffected. The device offers fast response time and excellent clamping capability.</p><p>&nbsp;</p><p>Typical applications include protection of I/O interfaces, VCC bus, and other vulnerable circuits in telecom, computer, industrial, and consumer electronics. The bidirectional configuration allows protection of circuits where the signal voltage may swing above or below ground.</p>

<p>The 1.5KE30A is a unidirectional TVS diode from STMicroelectronics designed for general purpose transient voltage suppression. It features a reverse standoff voltage of 25.6V and a clamping voltage of 53.5V, providing robust protection against voltage spikes.</p><p>&nbsp;</p><p>With a peak pulse power rating of 1500W (1.5kW) and a peak pulse current of 187A (8/20µs waveform), this device can handle high-energy transients. The capacitance is 2900pF at 1MHz, which is suitable for lower-speed signal lines.</p><p>&nbsp;</p><p>The diode is housed in a DO-201AA / DO-27 axial leaded package, supporting through-hole mounting. It is RoHS3 compliant and has an MSL of 1 (unlimited). This part is intended for general purpose circuit protection applications where unidirectional clamping is required.</p>

<p>The ESDA8P30-1T2 is a unidirectional TVS (Transient Voltage Suppression) diode designed by STMicroelectronics. It is engineered to protect sensitive electronic circuits from voltage transients induced by electrostatic discharge (ESD) and other surge events. The device features a reverse standoff voltage of 6.3V and a maximum clamping voltage of 12V, ensuring that downstream components are protected from overvoltage conditions.</p><p>&nbsp;</p><p>With a peak pulse current rating of 30A (8/20µs pulse) and a peak pulse power rating of 300W, this TVS diode provides robust transient energy absorption. It is not intended for power line protection, making it suitable for signal line and data line protection in general-purpose applications.</p><p>&nbsp;</p><p>The device is housed in a SOD-882 surface mount package, specifically the SOD-882T variant, which offers a compact footprint for space-constrained designs. It supports surface mount mounting and operates over a wide temperature range of -55°C to 150°C (junction temperature). The device is RoHS3 compliant and REACH unaffected, with an MSL level of 1 for unlimited floor life.</p><p>&nbsp;</p><p>This TVS diode is ideal for general-purpose transient protection in portable electronics, industrial controls, and communication interfaces.</p>

<p>The Bourns CG0603MLC-12E is a ChipGuard MLC series ESD protector designed for high-speed digital circuits requiring low capacitance and fast response. It features a DC working voltage of 12V, typical clamping voltage of 30V (TLP method), and trigger voltage of 300V. With an extremely low typical capacitance of 0.2pF at 1MHz, it minimizes signal degradation on high-speed data lines.</p><p>&nbsp;</p><p>This device provides ESD protection per IEC 61000-4-2 Level 4, with ±8kV contact discharge and ±15kV air discharge withstand. It offers multi-strike capability with typical ESD withstand of 1000 pulses. The response time is less than 1ns, ensuring rapid clamping of transient events.</p><p>&nbsp;</p><p>Typical applications include camera links, sensors, touchscreen interfaces, GPS, antennas, USB 3.0, and high-speed communications buses. The CG0603MLC-12E is AEC-Q200 compliant and suitable for automotive environments. It is packaged in a surface-mount 0603 (1608 metric) case and operates over -55°C to +125°C temperature range.</p>

<p>The B72214S2271K101 is a leaded metal oxide varistor (MOV) from TDK Electronics, part of the AdvanceD series (series code B722*). It is designed for overvoltage protection in AC and DC power circuits.</p><p>&nbsp;</p><p>Key electrical ratings include a varistor voltage of 387 V (minimum), 430 V (typical), and 473 V (maximum) at 1 mA test current. The maximum continuous AC voltage is 275 V, and the maximum DC voltage is 350 V. Surge current capability is 6000 A (6 kA) for an 8/20 µs waveform, with a maximum energy absorption of 110 J under a 2 ms pulse. Typical capacitance at 1 kHz is 440 pF.</p><p>&nbsp;</p><p>The component is housed in a Disc 14mm through-hole package with tinned wire (radial) leads. The epoxy coating is flame-retardant to UL 94 V-0. Operating temperature range is -40°C to +105°C. This varistor carries approvals from UL, CSA, VDE, and CQC as verified in the datasheet.</p>

<p>The Bel Fuse 0ZCJ0005FF2E is a polymeric PTC resettable fuse designed for overcurrent protection in electronic circuits. It features a hold current of 50 mA and a trip current of 150 mA, with a maximum operating voltage of 60V DC. The device can handle a maximum fault current of 10A and has a typical power dissipation of 0.4W. Time to trip at 0.25A is 1.5 seconds.</p><p>&nbsp;</p><p>The fuse is packaged in a standard 1206 (3216 metric) concave chip package, making it suitable for surface-mount assembly. It is AEC-Q200 qualified for automotive applications. The operating temperature range is -40°C to 85°C. The device is RoHS compliant, lead-free, and halogen-free. Minimum resistance is 3.6 ohms and maximum resistance is 50 ohms.</p>

<p>The ESDA5V3LY is a dual-channel Zener TVS diode designed for automotive applications. It features a maximum clamping voltage of 19V and can handle peak pulse currents up to 25A (8/20µs) with a peak pulse power rating of 300W. The device is housed in a surface-mount SOT-23-3 package (also known as TO-236-3 or SC-59).</p><p>&nbsp;</p><p>This TVS diode operates over a junction temperature range of -40°C to 150°C and does not include power line protection. It is RoHS3 compliant and REACH unaffected, with an MSL rating of Level 1 (unlimited).</p><p>&nbsp;</p><p>The ESDA5V3LY is suitable for protecting sensitive electronics in automotive environments from voltage transients and ESD events. Its compact SOT-23-3 package enables space-efficient PCB layouts.</p>

<p>The STMicroelectronics BZW04-48B is a 400W transient voltage suppression (TVS) diode designed to protect sensitive electronics from overvoltage transients. It features a stand-off voltage of 47.8V and a maximum clamping voltage of 77V under a 10/1000µs waveform, with a peak pulse current rating of 5.2A. For faster 8/20µs surges, the clamping voltage is 100V and peak pulse current reaches 23A.</p><p>&nbsp;</p><p>This Zener-based TVS diode offers a fast response time and a low clamping factor, making it suitable for general-purpose overvoltage protection. The device is unidirectional with a single bidirectional channel and is not intended for power line protection. It operates over a junction temperature range of -65°C to 175°C and can dissipate up to 1.7W on an infinite heatsink at 75°C ambient.</p><p>&nbsp;</p><p>The BZW04-48B is housed in a DO-15 (DO-204AC) axial-lead through-hole package, suitable for manual or wave soldering with a maximum lead temperature of 230°C for 10 seconds. Typical capacitance is 320pF at 1MHz. The device is UL recognized.</p>