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Product Detailed Parameters
- Description：CMC 370MA 2LN 120 OHM SMD
- Series：SRF2012
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：370mA
- DC Resistance (DCR) (Max)：300mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-55°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.081" L x 0.049" W (2.05mm x 1.25mm)
- Height (Max)：0.057" (1.45mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：120 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF2012-121Y is a surface-mount common mode filter choke from the SRF2012A series. It features a ferrite core and four terminals for circuit integration. The component has an inductance of 120 ohms and supports a maximum DC current of 370 mA. Its maximum DC resistance is specified at 500 milliohms with a tolerance of ±25%. The device operates within a temperature range of -55°C to 125°C and complies with RoHS standards.
Feature Summary
- Multi-layer surface mount construction for compact PCB integration
- Ferrite core design optimized for common mode noise suppression
- Four-terminal configuration for dual-line filtering applications
Applications
- Consumer electronics signal line protection
- Portable computing devices
- Telecommunications equipment
Procurement Notes
Verify the specific suffix 'YA' against the requested part number, as datasheets may list variations like 'Y'. Confirm that the 370 mA rating aligns with your circuit requirements rather than assuming generic series values. Ensure the package dimensions match your footprint constraints before finalizing procurement orders.
Selection Notes
Select this component when space-constrained designs require effective common mode noise reduction. The low profile and small footprint suit high-density boards. Evaluate the 370 mA current limit to ensure it meets the operational load without saturation. Consider the operating temperature range for environmental stability.
Part Context
This component belongs to the SRF2012A series of multi-layer chip inductors manufactured by Bourns. The series utilizes thick film technology on a ferrite substrate to provide reliable magnetic performance. These components are designed for general-purpose electronic circuits requiring compact filtering solutions.
Replacement Considerations
Check for direct substitutes within the SRF2012 series with compatible inductance and current ratings. Verify pinout compatibility for four-terminal surface mount packages. Ensure replacement parts meet the same thermal and electrical specifications.
