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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301,020
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Price on request
301,020
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On Semiconductor
<p>The ESDM1121MX4T5G is a bidirectional TVS diode manufactured by ON Semiconductor, designed for general purpose ESD and transient voltage protection. It offers a reverse standoff voltage of 12V and a clamping voltage of 30V at a peak pulse current of 3A (8/20µs waveform). The device features a single bidirectional channel, making it suitable for protecting symmetrical signal lines.</p><p> </p><p>With a low capacitance of 15pF at 1MHz, this TVS diode minimizes signal attenuation on high-speed data lines. It is not intended for power line protection, as indicated by its power line protection rating of 'No'. The operating temperature range spans from -55°C to 150°C, allowing use in harsh environments.</p><p> </p><p>The ESDM1121MX4T5G is housed in a compact 01005 (0402 Metric) package with a supplier device package of 2-X4DFN measuring 0.45x0.24mm. It is surface mountable, enabling integration into space-constrained PCB designs. The device is compliant with RoHS3 and REACH regulations, and has a moisture sensitivity level of 1 (unlimited).</p>
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300,000
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Price on request
300,000
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Bourns
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300,000
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Price on request
300,000
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Vishay Dale
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299,930
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Price on request
299,930
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Bourns
<p>The CDSOT236-T12C is a bidirectional TVS diode array from Bourns, designed to protect sensitive electronics from voltage transients. It features a working peak voltage of 12V and a minimum breakdown voltage of 13.3V at 1mA. The clamping voltage is 19V at 1A and 29.2V at 12A (8/20µs). With a peak pulse power rating of 350W (8/20µs), it can handle surge currents up to 12A. The device offers 5 bidirectional channels and a typical capacitance of 80pF at 0V and 1MHz, making it suitable for high-speed data lines. It is compliant with RoHS and lead-free requirements. The part is housed in a surface-mount SOT-23-6 package, operating over a temperature range of -55°C to 150°C. It is ideal for portable electronics, computing, and video equipment requiring ESD, EFT, and surge protection.</p>
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299,154
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Price on request
299,154
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Diodes Incorporated
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299,008
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Price on request
299,008
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Vishay Dale
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298,791
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Price on request
298,791
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Nexperia USA Inc.
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298,020
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Price on request
298,020
|
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On Semiconductor
<p>The ESD5Z3.3T5G is a unidirectional TVS diode from On Semiconductor designed to protect voltage sensitive components from electrostatic discharge and transient voltage events. It features a reverse stand-off voltage of 3.3 V and a maximum clamping voltage of 14.1 V. The device can handle peak pulse currents up to 11.2 A (8/20 µs) and peak pulse power up to 158 W (8/20 µs).</p><p> </p><p>With a typical capacitance of 105 pF at 1 MHz and a response time of less than 1 ns, this diode is well-suited for high-speed signal line protection. It is rated for ESD protection up to 16 kV (Human Body Model) and meets IEC 61000-4-2 Level 4 ESD requirements.</p><p> </p><p>The device is housed in a surface-mount SOD-523 package with matte tin lead finish. It operates over a junction temperature range of -55°C to 150°C and has a maximum power dissipation of 500 mW on an FR-4 board. The part is RoHS3 compliant and MSL 1 rated.</p>
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297,000
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Price on request
297,000
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On Semiconductor
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296,000
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Price on request
296,000
|
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Semtech
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295,785
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Price on request
295,785
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STMicroelectronics
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295,021
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Price on request
295,021
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On Semiconductor
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293,020
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Price on request
293,020
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Diodes Incorporated
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292,020
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Price on request
292,020
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On Semiconductor
<p>The ESD8472BMUT5G is a bidirectional Zener TVS diode from On Semiconductor, optimized for ESD protection in high-speed data lines such as USB. It offers a reverse standoff voltage of 20V and can handle peak pulse currents up to 3A under the 8/20µs waveform. The device features an ultra-low capacitance of 0.15pF at 1GHz, minimizing signal degradation in high-frequency applications.</p><p> </p><p>This TVS diode is housed in a compact 0201 (0603 Metric) surface-mount package with a 2-X3DFN (0.6x0.3) supplier device package, making it suitable for space-constrained designs. It operates over a wide temperature range from -55°C to 150°C (junction). The part is RoHS3 compliant and REACH unaffected, with an MSL rating of 1 (unlimited).</p><p> </p><p>Designed specifically for USB interfaces, the ESD8472BMUT5G provides robust ESD protection without compromising signal integrity. Its low capacitance ensures compatibility with high-speed protocols. The device is not intended for power line protection, as indicated by its application focus on signal lines.</p>
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291,885
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Price on request
291,885
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Nexperia USA Inc.
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291,020
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Price on request
291,020
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Vishay Dale
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290,079
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Price on request
290,079
|
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STMicroelectronics
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290,000
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Price on request
290,000
|
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STMicroelectronics
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290,000
|
Price on request
290,000
|
|
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Vishay Dale
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289,298
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Price on request
289,298
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Diodes Incorporated
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286,020
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Price on request
286,020
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Vishay Dale
<p>The 1.5SMC7.5A-E3/57T is a surface mount transient voltage suppressor (TVS) diode from Vishay General Semiconductor, part of the 1.5SMC series. It is designed to protect sensitive electronics from voltage transients induced by inductive load switching and lightning. This device is unidirectional with a single Zener channel.</p><p> </p><p>Key electrical specifications include a reverse standoff voltage of 6.4V, a maximum clamping voltage of 11.3V, and a peak pulse current rating of 133A. The peak pulse power dissipation is 1500W for a 10/1000μs waveform. The device does not provide power line protection.</p><p> </p><p>The TVS diode is housed in a DO-214AB (SMC) package with matte tin plated leads, suitable for automated placement. It is compliant with RoHS (E3 suffix) and has an MSL level of 1 (unlimited). The operating temperature range is -65°C to 150°C.</p>
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285,600
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Price on request
285,600
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Nexperia USA Inc.
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283,020
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Price on request
283,020
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Diodes Incorporated
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283,020
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Price on request
283,020
|
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STMicroelectronics
<p>The ESDA6V1U1RL is a unidirectional TVS (Transient Voltage Suppression) diode array manufactured by STMicroelectronics. It is designed to protect sensitive electronic circuits from voltage transients and electrostatic discharge (ESD) events.</p><p> </p><p>This device features a reverse standoff voltage of 5 V and a peak pulse power rating of 200 W. It integrates 6 unidirectional channels in a single 8-SOIC surface mount package, making it suitable for space-constrained designs. The part does not include power line protection and is intended for general purpose applications.</p><p> </p><p>The ESDA6V1U1RL is supplied in an 8-SOIC (0.154", 3.90mm Width) package with a supplier device package of 8-SOIC. It is surface mount compatible, facilitating automated assembly processes.</p>
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281,020
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Price on request
281,020
|
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Diodes Incorporated
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281,020
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Price on request
281,020
|
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Diodes Incorporated
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281,020
|
Price on request
281,020
|
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Bourns
|
280,105
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Price on request
280,105
|
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Nexperia USA Inc.
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280,020
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Price on request
280,020
|
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STMicroelectronics
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280,000
|
Price on request
280,000
|
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STMicroelectronics
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278,154
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Price on request
278,154
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Nexperia USA Inc.
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277,025
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Price on request
277,025
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Vishay Dale
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276,220
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Price on request
276,220
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Littelfuse Inc.
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275,000
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Price on request
275,000
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STMicroelectronics
<p>The ESD051-1F4 is a unidirectional TVS diode designed for general purpose ESD protection. It features a reverse standoff voltage of 5.5V and a typical clamping voltage of 9V. The device can handle peak pulse currents up to 11A (8/20µs) with a peak pulse power rating of 110W.</p><p> </p><p>This diode is housed in a compact 0201 (0603 metric) surface mount package with supplier device package ST0201. It operates over a wide temperature range from -55°C to 150°C. The capacitance is 110pF at 1MHz, making it suitable for high-speed signal line protection.</p><p> </p><p>Designed for general purpose applications, the ESD051-1F4 is not intended for power line protection. Its small footprint and low capacitance make it ideal for portable electronics and high-density PCB designs where space is at a premium.</p>
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275,000
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Price on request
275,000
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STMicroelectronics
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275,000
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Price on request
275,000
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STMicroelectronics
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273,715
|
Price on request
273,715
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Texas Instruments
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271,800
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Price on request
271,800
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STMicroelectronics
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271,380
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Price on request
271,380
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Vishay Dale
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270,550
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Price on request
270,550
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STMicroelectronics
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268,170
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Price on request
268,170
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Semtech
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267,904
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Price on request
267,904
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Semtech
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266,388
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Price on request
266,388
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On Semiconductor
<p>The ESD5Z3.3T1G is a unidirectional TVS diode from onsemi, part of the ESD5Z series, designed to protect sensitive electronics from electrostatic discharge (ESD) and transient voltage events. It offers a stand-off voltage of 3.3V and a clamping voltage of 14.1V at a peak pulse current of 11.2A (8/20µs). The device can handle peak pulse power up to 158W (240W per datasheet under different conditions) and features an extremely fast response time of less than 1ns.</p><p> </p><p>This diode is rated for ESD protection up to ±30kV contact and air discharge per IEC61000-4-2, and 16kV HBM. It also meets IEC61000-4-4 EFT protection at 40A. The device is housed in a compact SOD-523 (SC-79) surface-mount package with body dimensions of 1.20mm x 0.80mm x 0.7mm, making it suitable for space-constrained designs.</p><p> </p><p>Typical applications include cellular phones, portable devices, digital cameras, power supplies, and other portable electronics. The part is RoHS3 compliant, Pb-free, and MSL 1 rated. It is supplied in tape and reel packaging with 3000 pieces per reel.</p>
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266,259
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Price on request
266,259
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On Semiconductor
<p>The ESD7C5.0DT5G is a Zener-type TVS diode from On Semiconductor designed to protect sensitive electronics from electrostatic discharge (ESD). It features a working peak reverse voltage of 5V and a low typical capacitance of 6.2pF at 1MHz, making it suitable for high-speed signal lines.</p><p> </p><p>This device offers robust ESD protection meeting IEC 61000-4-2 Level 4 with ±8kV contact and ±15kV air discharge ratings. It also exceeds 16kV Human Body Model (HBM) ESD rating (Class 3). The response time is less than 1 ns, ensuring fast clamping during transient events.</p><p> </p><p>The ESD7C5.0DT5G is housed in a compact SOT-723 surface-mount package with a body size of 1.20mm x 1.20mm and a low height of 0.5mm. It is qualified for a maximum reflow temperature of 260°C and meets MSL 1 requirements. The device is Pb-free and RoHS3 compliant.</p>
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265,991
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Price on request
265,991
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STMicroelectronics
<p>ESDALCL5-1BM2 is a bidirectional TVS diode designed for general purpose ESD protection. It has a reverse standoff voltage of 3V (typical) and can handle 150W peak pulse power. The device offers a single bidirectional channel with a typical capacitance of 26pF at 1MHz, making it suitable for high-speed signal lines.</p><p> </p><p>The TVS diode is surface-mount, packaged in a compact SOD-882 package. It operates over a temperature range of -55°C to 150°C. The component is RoHS3 compliant and REACH unaffected, with an MSL rating of 1 (unlimited).</p><p> </p><p>This part is ideal for protecting sensitive electronics from electrostatic discharge and other voltage transients. Its low capacitance helps maintain signal integrity in data lines.</p>
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265,736
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Price on request
265,736
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STMicroelectronics
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265,706
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Price on request
265,706
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Nexperia USA Inc.
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265,020
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Price on request
265,020
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STMicroelectronics
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264,980
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Price on request
264,980
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On Semiconductor
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264,000
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Price on request
264,000
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Showing 351-400 of 302,022 products