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Product Detailed Parameters
- Description：CMC 300MA 2LN 260OHM SMD AECQ200
- Series：SRF2012AA
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：400mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：AEC-Q200
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.079" L x 0.047" W (2.00mm x 1.20mm)
- Height (Max)：0.055" (1.40mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：260 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF2012A-261YA is a surface-mount common mode choke from the SRF2012AA series. It features a ferrite core and four terminals for horizontal mounting. The component has a maximum DC resistance of 400 mΩ and a rated current of 300 mA. Impedance is specified at 260 Ω @ 100 MHz. Voltage ratings include 100 VDC operating and 250 VDC withstand. Insulation resistance is minimum 10 MΩ. Operating temperature range spans -55°C to 125°C.
Feature Summary
- Four-terminal surface mount design for compact circuit integration
- Ferrite core construction for effective high-frequency noise suppression
- Wide operational temperature capability suitable for demanding environments
Applications
- High-speed data line filtering in portable electronics
- EMI suppression in USB interface circuits
- Signal integrity protection in communication modules
Procurement Notes
Verify the specific impedance value and DC resistance against the official Bourns datasheet for the SRF2012A-261YA part number. Confirm package dimensions and terminal configuration match PCB layout requirements. Ensure compliance with RoHS standards if required by project specifications. Cross-reference manufacturer documentation for accurate electrical parameters before finalizing procurement.
Selection Notes
Select this component based on its 300 mA current rating and 260 Ω impedance at 100 MHz. Consider the 400 mΩ DC resistance for power loss calculations. Evaluate the -55°C to 125°C temperature range against environmental conditions. Verify the 250 VDC withstand voltage meets insulation requirements. Compare physical dimensions with available board space constraints.
Part Context
This component belongs to the Bourns SRF2012AA series of common mode chokes. These devices are designed for surface mount technology applications requiring compact noise filtering solutions. The series utilizes multilayer ceramic or ferrite technologies to provide reliable performance in space-constrained electronic designs.
Replacement Considerations
Consult official Bourns documentation for verified substitute part numbers within the SRF2012AA series. Ensure any replacement matches the 260 Ω impedance, 300 mA rating, and 4-terminal package configuration. Verify dimensional compatibility and electrical characteristics before substitution.
