What are Circuit Protection ?
Circuit Protection refers to components designed to prevent damage to electrical circuits from overcurrent, voltage spikes, and other electrical anomalies. They are commonly used in applications such as production electronics assembly and maintenance. Important specifications include voltage rating, current rating, and response time; these attributes are critical for ensuring compatibility with existing designs and maintaining system performance. Additionally, validating lifecycle status is essential for procurement teams to ensure reliable sourcing.
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| Part & Mfr | Total Stock | Pricing & RFQ | |
|---|---|---|---|
STMicroelectronics
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76,020
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Price on request
76,020
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STMicroelectronics
<p>The ESDALC6V1-5P6 is a Zener-based TVS diode from STMicroelectronics designed for general-purpose ESD protection. It features a clamping voltage of 14 V and can handle a peak pulse current of 2.5 A (8/20 µs) with a peak pulse power rating of 30 W. This device integrates 5 unidirectional channels in a single surface-mount SOT-666 package, making it suitable for protecting multiple signal lines.</p><p> </p><p>With a low capacitance of 12 pF at 1 MHz, this diode is well-suited for high-speed data lines where signal integrity is critical. The operating junction temperature range from -40°C to 125°C ensures reliable performance in demanding environments. The part does not include power line protection, indicating its intended use for signal line ESD clamping.</p><p> </p><p>The SOT-666 package allows for compact PCB layouts and is compatible with standard surface-mount assembly processes. Compliance with RoHS3, REACH, and MSL 1 (unlimited floor life) simplifies handling and manufacturing compliance.</p>
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76,020
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Price on request
76,020
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Bourns
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76,000
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Price on request
76,000
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STMicroelectronics
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75,000
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Price on request
75,000
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STMicroelectronics
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75,000
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Price on request
75,000
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STMicroelectronics
<p>The ESDAULC6-1U2 from STMicroelectronics is a unidirectional TVS (Transient Voltage Suppression) diode designed for general purpose ESD protection in space-constrained electronic designs. With a reverse standoff voltage (VRWM) of 3V and a clamping voltage of 13V, it safeguards sensitive circuits from electrostatic discharge transients.</p><p> </p><p>This diode offers a peak pulse current (IPP) of 1A at an 8/20µs waveform and a peak pulse power (PPP) rating of 18W. It operates over a wide junction temperature range of -40°C to 150°C, ensuring reliability in harsh environments. The component supports surface mount assembly and does not include power line protection.</p><p> </p><p>Packaged in the compact 0201 (0603 Metric) case with the supplier device package ST0201, the ESDAULC6-1U2 is suitable for high-density PCB layouts. It is compliant with RoHS3 and REACH, and has an MSL rating of 1 (unlimited).</p>
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75,000
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Price on request
75,000
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On Semiconductor
<p>The DF6A6.8FUT2G from On Semiconductor is a quad unidirectional TVS diode array designed for ESD protection in voltage-sensitive equipment. It features a reverse standoff voltage of 5 V and a breakdown voltage range of 6.4 V to 7.2 V at 5 mA test current. The device offers low leakage current of 1 µA at VRWM and typical capacitance of 40 pF at 0 V bias and 1 MHz.</p><p> </p><p>This TVS array provides robust ESD protection meeting IEC 61000-4-2 Level 4 with 16 kV air discharge and 8 kV contact discharge, as well as 16 kV HBM per MIL STD 883C. It can handle 75 W peak pulse power (8/20 µs waveform) and 385 mW steady state power dissipation. The operating temperature range spans from -55°C to 150°C.</p><p> </p><p>The quad junction common anode design allows protection of four separate lines in a single compact SC-88 (SC70-6/SOT-363) surface mount package, making it ideal for high-density board designs. It is supplied in tape and reel packaging with 3000 pieces per reel. The device is Pb-Free and RoHS3 compliant, with REACH unaffected status and MSL Level 1 rating.</p>
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75,000
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Price on request
75,000
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Diodes Incorporated
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74,129
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Price on request
74,129
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Diodes Incorporated
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73,960
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Price on request
73,960
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PANJIT
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73,800
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Price on request
73,800
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STMicroelectronics
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73,349
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Price on request
73,349
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Vishay Dale
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73,020
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Price on request
73,020
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Diodes Incorporated
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73,020
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Price on request
73,020
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Nexperia USA Inc.
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73,020
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Price on request
73,020
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Nexperia USA Inc.
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73,020
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Price on request
73,020
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Nexperia USA Inc.
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73,020
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Price on request
73,020
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Littelfuse Inc.
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72,950
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Price on request
72,950
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Bourns
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72,902
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Price on request
72,902
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On Semiconductor
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72,771
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Price on request
72,771
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STMicroelectronics
<p>The 1.5KE12CA is a bidirectional transient voltage suppression (TVS) diode designed to protect sensitive electronic equipment from voltage transients. It offers a peak pulse power dissipation of 1500W (10/1000µs waveform) and a peak pulse current of 461A (8/20µs waveform). The device has a reverse standoff voltage of 10.2V and a clamping voltage of 21.7V.</p><p> </p><p>This TVS diode is housed in a through-hole DO-201AA (DO-27, Axial) package, suitable for general purpose circuit protection applications. It features a fast response time of less than 1.0ps and a capacitance of 3000pF at 1MHz. The operating temperature range is -55°C to 175°C.</p><p> </p><p>The 1.5KE12CA is RoHS3 compliant, halogen free, and lead free (matte tin plated). It is ideal for protecting I/O interfaces, VCC bus, and other vulnerable circuits in telecom, computer, industrial, and consumer electronics.</p>
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72,565
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Price on request
72,565
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STMicroelectronics
<p>The DA112S1RL is a TVS (Transient Voltage Suppression) diode designed for steering (rail-to-rail) protection applications. It features 6 unidirectional channels to protect multiple signal lines. With a reverse standoff voltage of 15V, it is suitable for general purpose protection in circuits operating at 15V or below. The device does not include power line protection, indicating it is intended for signal line protection. The operating temperature range of -55°C to 150°C allows use in harsh environments. The DA112S1RL is packaged in an 8-SOIC (0.154", 3.90mm Width) surface mount package, making it suitable for compact PCB designs. The supplier device package is 8-SOIC. It is compliant with RoHS3, REACH, and has an MSL rating of 1 (unlimited).</p>
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72,500
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Price on request
72,500
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Semtech
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72,333
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Price on request
72,333
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Texas Instruments
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72,320
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Price on request
72,320
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Kyocera AVX
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72,190
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Price on request
72,190
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STMicroelectronics
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72,100
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Price on request
72,100
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On Semiconductor
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72,000
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Price on request
72,000
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Vishay Dale
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72,000
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Price on request
72,000
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Vishay Dale
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72,000
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Price on request
72,000
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On Semiconductor
<p>The ESD7272LT1G from On Semiconductor is a dual-channel ESD protection diode designed to safeguard I/O and data lines from electrostatic discharge. It features a reverse standoff voltage of 24V and a maximum clamping voltage of 40V at 1A (8/20µs pulse). The device offers low leakage current (1µA max) and low junction capacitance (2pF max), making it suitable for high-speed signal lines without signal degradation.</p><p> </p><p>This TVS diode meets IEC 61000-4-2 Level 4 ESD protection (±15kV contact and air) and ISO 10605 automotive ESD standards. It is AEC-Q101 qualified (SZ prefix) for automotive applications. The device is Pb-free, halogen-free/BFR-free, and RoHS compliant.</p><p> </p><p>Packaged in a compact SOT-23-3 (TO-236) surface mount package, the ESD7272LT1G is ideal for space-constrained designs. Typical applications include sensor lines, PWM inputs/outputs, general I/Os, and automotive electronics.</p>
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72,000
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Price on request
72,000
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Vishay Dale
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72,000
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Price on request
72,000
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Littelfuse Inc.
<p>The Littelfuse 04450023H is a fuse clip designed for 5x20mm cartridge fuses, providing a reliable connection in circuit protection applications. The contact finish is tin, ensuring good solderability and corrosion resistance.</p><p> </p><p>This component is classified as RoHS3 compliant and REACH unaffected, making it suitable for use in products requiring environmental compliance. Moisture sensitivity level is MSL 1 (unlimited), indicating no special handling requirements for moisture exposure.</p><p> </p><p>The clip is intended for through-hole mounting and is commonly used in industrial, commercial, and consumer electronics fuse holders. No lead time or standard package quantity is available at this time.</p>
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72,000
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Price on request
72,000
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Littelfuse Inc.
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71,792
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Price on request
71,792
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STMicroelectronics
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71,637
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Price on request
71,637
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Littelfuse Inc.
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71,406
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Price on request
71,406
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Littelfuse Inc.
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71,286
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Price on request
71,286
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Bourns
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71,255
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Price on request
71,255
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Vishay Dale
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71,220
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Price on request
71,220
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On Semiconductor
<p>The 1SMB10AT3G is a unidirectional TVS (Transient Voltage Suppression) diode from ON Semiconductor, designed to protect sensitive electronics from voltage transients. It features a standoff voltage of 10V and a clamping voltage of 17V, with a peak pulse current rating of 35.3A and peak pulse power of 600W (10/1000µs waveform). The device has a capacitance of 1460pF at 1MHz, making it suitable for lower-speed telecom and general-purpose protection applications.</p><p> </p><p>This TVS diode is housed in a surface-mount DO-214AA (SMB) package, allowing for compact PCB layouts. It supports an operating temperature range of -65°C to 150°C (junction). The part is unidirectional and does not include power line protection, making it best suited for signal line protection in telecom equipment.</p><p> </p><p>With its robust power handling and standard SMB footprint, the 1SMB10AT3G is a reliable choice for overvoltage protection in a variety of electronic systems.</p>
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71,085
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Price on request
71,085
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Nexperia USA Inc.
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71,020
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Price on request
71,020
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Nexperia USA Inc.
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71,020
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Price on request
71,020
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Nexperia USA Inc.
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71,020
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Price on request
71,020
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Diodes Incorporated
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71,020
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Price on request
71,020
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Bourns
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70,914
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Price on request
70,914
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Texas Instruments
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70,308
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Price on request
70,308
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Texas Instruments
<p>The ESD321DPYR is a unidirectional Zener TVS diode from Texas Instruments designed for general purpose ESD protection. It features a peak pulse power rating of 40W and a typical clamping voltage of 6.8V at 6A (8/20µs). The device can handle a peak pulse current of 6A and has a low capacitance of 0.9pF at 1MHz, making it suitable for high-speed signal lines. The operating temperature range is -40°C to 125°C. The reverse standoff voltage is 3.6V as indicated in the product description. The diode is housed in a 0402 (1006 Metric) package with a 2-X1SON (1x.60) supplier device package, designed for surface mount assembly. It is RoHS3 compliant and has an MSL of 1 (unlimited). Power line protection is not provided; this device is intended for general purpose ESD protection applications.</p>
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70,054
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Price on request
70,054
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Diodes Incorporated
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70,020
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Price on request
70,020
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On Semiconductor
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70,020
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Price on request
70,020
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Littelfuse Inc.
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70,020
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Price on request
70,020
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On Semiconductor
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70,000
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Price on request
70,000
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STMicroelectronics
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70,000
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Price on request
70,000
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