Rod Bar Core Magnetic Choke Coils, or power inductors, are vital components in various electrical and electronic applications. Here are their features, specifications, and typical applications:

Features:

1. High Inductance Values: They provide high inductance, which helps in energy storage and filtering applications.
2. Rod Bar Core Design: The cylindrical shape enhances magnetic coupling and reduces losses.
3. Low DC Resistance: This feature minimizes heat generation and maximizes efficiency.
4. High Saturation Current: They can handle high current levels before saturating, making them suitable for power applications.
5. Compact Size: Their design allows for space-efficient integration into circuits.
6. Low EMI Emissions: Designed to minimize electromagnetic interference, ensuring compliance with regulations and reducing noise in systems.
7. Temperature Stability: Usually constructed to operate effectively across a range of temperatures.
8. Versatile Termination Options: Available with various terminal types (e.g., surface mount, through-hole) for different design needs.

Specifications:

• Inductance Range: Typically from microhenries (µH) to millihenries (mH).
• Current Rating: Varies based on specific designs but can typically handle several amps.
• DC Resistance (DCR): Low resistance values, often in the milliohm range, depending on the specific inductor.
• Saturation Current: Defined maximum current before the inductance significantly drops (varies widely based on core material and design).
• Operating Temperature: Usually specified over a range, e.g., -40°C to 125°C.
• Core Material: Magnetic materials such as ferrite or powdered iron are often used.

Applications:

1. DC-DC Converters: Used as energy storage elements in step-up (boost) or step-down (buck) converters.
2. Filtering Applications: Employed in power supplies to filter out noise and stabilize voltage.
3. Power Management Circuits: Integral in managing power distribution in battery-operated devices.
4. Audio Equipment: Used in inductive coupling applications to improve sound quality.
5. Automotive Electronics: Found in power supply circuits for ECUs, lighting, and other electronic systems.
6. Telecommunications: Used for signal filtering and power regulation in communication devices.
7. Renewable Energy Systems: Applied in inverters and converters in solar and wind energy systems.

8. Part No		A mm (Max)		B mm (Max )
   TR0310		10.5		5
   TR0312		12.5		5
   TR0315		15.5		5
   TR0320		20.5		5
   TR0325		25.5		5
   TR0410		10.5		6.5
   TR0412		12.5		6.5
   TR0415		15.5		6.5
   TR0420		20.5		6.5
   TR0425		25.5		6.5
   TR0430		30.5		6.5
   TR0510		10.5		8
   TR0515		15.5		8
   TR0520		20.5		8
   TR0525		25.5		8
   TR0530		30.5		8
   TR0612		12.5		9
   TR0615		15.5		9
   TR0620		20.5		9
   TR0625		25.5		9
   TR0630		30.5		9
   TR0635		35.5		9
   TR0815		15.5		11
   TR0820		20.5		11
   TR0830		30.5		11
   TR1020		20.5		13
   TR1025		25.5		13
   TR1030		30.5		13
   TR1035		35.5		13
   TR1040		40.5		13
   Part Number	Inductance uH	IDC (mA) Max	DCR MAX(Ω)	Wire	Turn( ref)
   TR0310-1R8K	1.8	1900	0.026	0.55	11.5
   TR0310-2R2k	2.2	1570	0.028	0.5	13.5
   TR0310-2R7K	2.7	1570	0.03	0.5	15.5
   TR0310-3R3k	3.3	1270	0.035	0.45	17.5
   TR0310-3R9K	3.9	1000	0.05	0.4	18.5
   TR0310-4R7K	4.7	760	0.07	0.35	19.5
   TR0415-4R7K	4.7	2260	0.024	0.6	17.5
   TR0415-5R6K	5.6	1900	0.03	0.55	18.5
   TR0415-6R8K	6.8	1570	0.04	0.5	21.5
   TR0415-8R2K	8.2	1270	0.06	0.45	24.5
   TR0415-100K	10	1000	0.08	0.4	22.5
   TR0520-100K	10	2.65	0.04	0.65	23.5
   TR0520-120K	12	2.26	0.044	0.6	27.5
   TR0520-150K	15	1.9	0.06	0.55	27.5
   TR0520-180K	18	1.57	0.08	0.5	32.5
   TR0520-220K	22	1.27	0.1	0.45	32.5
   TR0520-270K	27	1	0.15	0.4	36.5
   TR0630-4R7K	4.7	16.08	0.005	1.6	12.5
   TR0630-5R6k	5.6	16.08	0.005	1.6	14.5
   TR0630-6R8K	6.8	10.61	0.008	1.3	15.5
   TR0630-8R2K	8.2	9.04	0.009	1.2	16.5
   TR0630-100K	10	9.04	0.01	1.2	19.5
   TR0630-120k	12	6.28	0.018	1	20.5
   TR0630-150K	15	5.08	0.023	0.9	23.5
   TR0630-180K	18	4.02	0.03	0.8	24.5
   TR0630-220K	22	3.07	0.045	0.7	27.5
   TR0630-270K	27	3.07	0.05	0.7	31.5
   TR0630-330K	33	2.65	0.06	0.65	35.5
   TR0630-390K	39	2.26	0.08	0.6	40.5
   TR0630-470K	47	1.9	0.11	0.55	44.5
   TR0630-560K	56	1.57	0.14	0.5	46.5

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