
Inrush Current Limiters (ICL)
Inrush Current Limiters (ICL) - Circuit Protection
Definition:
Inrush Current Limiters (ICL) are specialized circuit protection devices designed to mitigate the high initial surge of current that occurs when electrical equipment is powered on. This transient current, if uncontrolled, can damage sensitive components, reduce the lifespan of devices, or cause system failures. ICLs effectively regulate this inrush current, ensuring smooth and safe startup operations for a wide range of electronic and electrical systems.
Types of Inrush Current Limiters:
1. NTC Thermistors (Negative Temperature Coefficient): The most common type, these limiters offer high resistance at low temperatures, which decreases as they heat up, allowing steady-state current flow.
2. Fixed Resistors: Provide a simple, cost-effective solution but may dissipate more power and require additional cooling.
3. Active Limiters (IC-based): Utilize semiconductor controls for precise current management, ideal for high-performance applications.
4. Hybrid Solutions: Combine passive and active elements for optimized performance in complex systems.
Buying Recommendations:
When selecting an Inrush Current Limiter, consider:
- Current & Voltage Ratings: Ensure compatibility with your system s operational parameters.
- Response Time: Faster response may be critical for sensitive electronics.
- Thermal Management: Evaluate heat dissipation needs, especially for high-power applications.
- Form Factor: Match physical size and mounting style to your design constraints.
- Certifications: Look for industry-standard approvals (UL, CE, etc.) for reliability and compliance.
Investing in the right ICL enhances system durability, minimizes downtime, and safeguards your electronics making it a crucial component in robust circuit protection strategies.
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SL22 2R508-A
ICL 2.5 OHM 20% 8A 22MM
CL-30A
ICL 2.5 OHM 25% 8A 19.56MM
B57213P0160M351
ICL 16 OHM 20% 4A 14.5MM
B57234S0400M051
THERMISTOR NTC 40OHM 3450K
B57236S0509M051
ICL 5 OHM 20% 11.5MM
CL-40A
ICL 5 OHM 25% 6A 19.56MM
SL22 22102-A
ICL 220 OHM 25% 2A 22MM
SL12 50002-A
ICL 50 OHM 20% 2A 13MM
SL22 16004-B
ICL 16 OHM 20% 4A 22MM
CL-50B
ICL 7 OHM 5A 19.56MM
MF72-033D7
ICL 33 OHM 20% 500MA 9MM
SL22 2R515-B
ICL 2.5 OHM 20% 15A 22MM
B57213P0220M351
ICL 22 OHM 20% 4A 14.5MM
B57236S0809M000
ICL 8 OHM 20% 11.5MM
SL32 1R036-B
ICL 1 OHM 20% 36A 31MM
SL22 10007-A
ICL 10 OHM 20% 7A 22MM
B57237S0509M000
ICL 5 OHM 20% 5A 15MM
MS22 12103-B
ICL 120 OHM 25% 3A 23MM
MF1105004M4EP0CST0
ICL 5 OHM 20% 4A 11MM
B57153S0100M000
ICL 10 OHM 20% 2A 8.5MM