Circuit Protection

<p>The Bel Fuse 0697W3150-01 is a 3.15A, 350V time lag (slow blow) fuse in a radial box package. It belongs to the 0697W series and is designed for through-hole board mounting. The fuse offers a breaking capacity of 100A at both 350V AC and 72V DC, meeting IEC 60127-3 standard sheet 4 requirements.</p><p>&nbsp;</p><p>This fuse features a black thermoplastic body with UL 94-V0 flammability rating and 100% matte tin plated copper terminals. It operates over a temperature range of -55°C to 125°C and has a melting I²t rating of 66 A²s. The 0697W3150-01 is AEC-Q200 qualified, making it suitable for automotive applications, and carries additional safety agency approvals including CQC, cURus, PSE, and VDE.</p><p>&nbsp;</p><p>The component is fully RoHS compliant, lead free, and halogen free. It is available in both bulk and tape and reel packaging options. The radial box form factor provides a compact footprint of 8.35mm x 4.00mm x 7.80mm, suitable for space-constrained designs in power supplies, battery chargers, consumer electronics, adapters, and industrial controllers.</p>

<p>This Schurter 3403.0160.24 is a surface mount fuse from the UMT 250 series, designed for primary protection on SMD PCBs. It features a time-lag T (slow blow) response, rated current of 250 mA, and voltage ratings of 250 VAC and 125 VDC. The breaking capacity is 200 A at 250 VAC and 35 A at 125 VDC, suitable for pulse-shaped continuous currents.</p><p>&nbsp;</p><p>The fuse is housed in a compact 2-SMD square end block package with ceramic housing and tin-plated copper alloy terminals. It operates over a wide temperature range of -55°C to 125°C and meets climatic category 55/125/21 per IEC 60068-1. The melting I²t is 0.2 A²s, and the moisture sensitivity level is MSL 1 (unlimited).</p><p>&nbsp;</p><p>Approvals include CQC, cURus, KC, and VDE, making it suitable for global applications. This fuse is commonly used in medical equipment, battery protection, and primary side protection in power supplies.</p>

<p>The STMicroelectronics ESDA12-1K is a single-channel Zener-type TVS diode designed for transient voltage suppression in general purpose applications. It offers a maximum clamping voltage of 28V and can handle peak pulse currents up to 16A (8/20 µs waveform) with a peak pulse power rating of 450W.</p><p>&nbsp;</p><p>The device features a typical capacitance of 150 pF at 1 MHz, making it suitable for protecting high-speed signal lines. It is unidirectional, providing protection against positive transients. The operating junction temperature range is -40°C to 150°C.</p><p>&nbsp;</p><p>The ESDA12-1K is surface mounted and offered in the compact SOD-523 package (also known as SC-79). It is RoHS3 compliant, REACH unaffected, and has an MSL of 1 (unlimited shelf life). These characteristics make it a reliable choice for ESD protection in various electronic circuits.</p>

<p>The ESD5484FCT5G is an ESD protection diode from On Semiconductor designed to protect sensitive components from electrostatic discharge. It is a bidirectional Zener-type TVS diode with a reverse standoff voltage of 5.0 V and a minimum breakdown voltage of 6.0 V at 1 mA. The device provides excellent clamping performance with a maximum clamping voltage of 11.5 V at a peak pulse current of 7 A (8/20 µs surge). Reverse leakage current is limited to 0.1 µA at 5 V standoff. The response time is less than 1 ns, making it suitable for high-speed signal lines.</p><p>&nbsp;</p><p>The ESD5484FCT5G meets IEC61000-4-2 Level 4 ESD protection with ±30 kV contact and air discharge, and IEC61000-4-4 Level 4 EFT protection. It features a low typical capacitance of 35 pF (max 45 pF) at 0 V, minimizing signal degradation. The device can dissipate up to 300 mW on FR-5 board and operates over a junction temperature range of -55°C to 150°C.</p><p>&nbsp;</p><p>The part is housed in an ultra-small 2-XFBGA/WLCSP package with body dimensions of 0.60 mm x 0.30 mm and a height of 0.3 mm, ideal for space-constrained portable electronics such as cellular phones, MP3 players, digital cameras, and other handheld devices. It supports surface mount assembly and is supplied in tape and reel packaging with 10,000 parts per reel. The device is Pb-Free, Halogen Free, and RoHS3 compliant, with MSL Level 1 rating.</p>

<p>The ESD7410N2T5G is an ultra-low capacitance ESD protection diode from onsemi, designed to protect voltage-sensitive components from electrostatic discharge and transient voltage events. It offers a reverse standoff voltage of 8V and a typical clamping voltage of 20V.</p><p>&nbsp;</p><p>With a typical capacitance of only 0.4pF at 1MHz and maximum of 1.0pF, this diode provides excellent signal integrity for high-frequency applications. Insertion loss is 0.1dB at 1GHz and 0.3dB at 3GHz, making it well-suited for RF antenna lines in wireless handsets and terminals.</p><p>&nbsp;</p><p>The device is rated for ESD protection up to ±30kV contact and air discharge per IEC 61000-4-2, and ±8kV per Human Body Model. It is housed in a compact 2-X2DFN (1x0.6mm) surface-mount package and supports operating temperatures from -55°C to +150°C.</p>

<p>The ESDA6V1S3RL is a monolithic Transil array from STMicroelectronics designed for ESD protection on data and transmission lines. It contains 18 unidirectional Transil functions that clamp positive transients just above the logic level supply and negative transients to a diode drop below ground.</p><p>&nbsp;</p><p>Key electrical specifications include a reverse standoff voltage of 5.25V, a breakdown voltage range of 6.1V to 7.2V, and a low maximum leakage current of 2 µA. The device can handle 200W peak pulse power (8/20 µs waveform) and provides ESD protection up to 25 kV per IEC 61000-4-2 and MIL STD 883C.</p><p>&nbsp;</p><p>Packaged in a 20-SOIC (0.295", 7.50mm Width) surface mount package, the ESDA6V1S3RL is suitable for high density board designs. Its high integration makes it ideal for applications requiring ESD protection on multiple lines, such as computers, printers, communication systems, and GSM accessories.</p>

<p>The Littelfuse 02343.15MXP is a 3.15A, 250VAC medium-acting glass cartridge fuse from the 234 series. It features a 5x20mm body size and requires a holder for mounting. This fuse has a breaking capacity of 100A at 250VAC and a nominal cold resistance of 0.0380 ohms. It is designed for supplementary protection in appliances and electronic equipment. The fuse is RoHS compliant and lead-free. Agency approvals include CE, CSA, K-MARK, PSE, and UL.</p>

<p>The Bel Fuse 0ZCG0075BF2B is a surface mount polymeric PTC resettable fuse from the 0ZCG series. It is designed for overcurrent protection in circuits requiring automatic reset after fault conditions. The device offers a hold current of 750 mA and a trip current of 1.5 A, with a maximum voltage rating of 33 Vdc and a maximum fault current handling capability of 40 A.</p><p>&nbsp;</p><p>Key electrical characteristics include a typical power dissipation of 1.0 W and a fast trip time of 200 ms at 8 A. The resistance is specified with a minimum of 200 mΩ and a maximum of 290 mΩ (R1max). The operating temperature range is -40°C to 85°C, making it suitable for harsh environments.</p><p>&nbsp;</p><p>This fuse is housed in a compact 1812 (4532 metric) chip package with concave terminals, suitable for surface mount assembly. It is AEC-Q200 qualified, ensuring reliability for automotive applications. The device is RoHS, lead-free, and halogen-free compliant.</p>

<p>The Bel Fuse 0ZCJ0020FF2E is a 1206 chip-sized polymeric PTC resettable fuse from the 0ZCJ series. It is designed to provide overcurrent protection with automatic reset capability once the fault is removed and power is cycled.</p><p>&nbsp;</p><p>This device offers a hold current of 0.20 A and a trip current of 0.40 A at 23°C. It is rated for a maximum voltage of 30 V DC and can handle fault currents up to 10 A. Typical power dissipation is 0.4 W, and the time to trip at 8.00 A is 0.10 seconds. Initial resistance ranges from 0.600 Ω (Rmin) to 2.5 Ω (R1max).</p><p>&nbsp;</p><p>The 0ZCJ0020FF2E operates over a temperature range of -40°C to 85°C. It is housed in a 1206 (3216 metric) concave surface mount package measuring 3.25 mm x 1.65 mm x 0.75 mm. The component is RoHS, lead-free, and halogen-free compliant, and is qualified to AEC-Q200 for automotive applications.</p>

<p>The ESDALC6V1M3 is a TVS diode from STMicroelectronics designed for ESD protection. It features a reverse standoff voltage of 5V and a peak pulse power rating of 30W. With two unidirectional channels, it provides protection for two lines.</p><p>&nbsp;</p><p>The device has a low capacitance of 11pF at 1MHz, making it suitable for high-speed data lines. It operates over a temperature range of -40°C to 125°C. The part is RoHS3 compliant and REACH unaffected.</p><p>&nbsp;</p><p>The ESDALC6V1M3 is available in the surface mount SOT-883 package (SC-101 equivalent). It is designed for general purpose applications and does not support power line protection.</p>

<p>The D1213A-01WS-7 from Diodes Incorporated is a single-channel low capacitance TVS diode array designed for ESD protection on high-speed data lines. It features a maximum reverse standoff voltage of 3.3V and a minimum breakdown voltage of 6.0V at 1mA. The typical clamping voltage is 10.0V at a peak pulse current of 1A (8/20µs pulse), with a peak pulse current rating of 5A. This device provides ESD protection per IEC 61000-4-2: ±8kV contact discharge and ±15kV air discharge.</p><p>&nbsp;</p><p>With a typical input capacitance of only 0.85pF, it is suitable for use on USB 2.0, HDMI, DVI, Serial ATA, IEEE1394, and PCI interfaces. The dynamic resistance is 0.9Ω typical, and the leakage current is 0.1µA typical at 3.3V. The device is qualified to AEC-Q101 standards for automotive applications.</p><p>&nbsp;</p><p>Packaged in the industry-standard SOD323 surface mount package, the D1213A-01WS-7 is totally lead-free, RoHS compliant, and halogen-free. The case material is molded plastic with UL 94V-0 flammability rating. Moisture sensitivity is Level 1 per J-STD-020. The terminals are matte tin finish annealed over Alloy 42 leadframe, solderable per MIL-STD-202, Method 208.</p>