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Product Detailed Parameters
- Description：CMC 250UH 600MA 2LN 600 OHM SMD
- Series：SRF1306
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：600mA
- DC Resistance (DCR) (Max)：150mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.413" L x 0.374" W (10.50mm x 9.50mm)
- Height (Max)：0.238" (6.05mm)
- Package / Case：8-SMD, Gull Wing
- Inductance @ Frequency：250 µH @ 100 kHz
- Impedance @ Frequency：600 Ohms @ 1 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF1306-251Y is a surface-mount common mode choke designed for EMI filtering in two-line circuits. It features an inductance of 250 µH at 100 kHz with a tolerance of ±35%. The component provides an impedance of 600 Ohms at 1 MHz and supports a current rating of 600 mA. Its direct current resistance (DCR) is specified as 150 mOhm, ensuring low insertion loss while maintaining effective noise suppression capabilities.
Feature Summary
- Surface mount construction for automated assembly
- Two-line common mode filtering capability
- Low DC resistance for efficient signal transmission
Applications
- EMI filter circuits
- Line filters
- Common mode chokes
Procurement Notes
Verify the manufacturer part number against official Bourns documentation to confirm specifications. Ensure compatibility with surface mount reflow processes. Check datasheet for thermal limits and current derating curves before integration into final designs.
Selection Notes
Select this component when designing compact EMI filters requiring specific impedance characteristics at 1 MHz. Consider the 600 mA current rating and 150 mOhm DCR for power efficiency requirements. Verify footprint dimensions match PCB layout constraints.
Part Context
This component belongs to the SRF1306 series of line filters manufactured by Bourns Inc. The series offers various inductance values tailored for different frequency attenuation needs. The SRF1306-251Y specifically targets applications requiring moderate inductance with high-frequency impedance performance.
Replacement Considerations
Consult official Bourns substitution guides for equivalent components within the SRF series. Verify pinout compatibility and mechanical dimensions before replacing existing parts in established designs.
