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Product Detailed Parameters
- Description：CMC 27MH 500MA 2LN TH
- Series：RN
- Mfr：Schaffner EMC Inc.
- Package：Tube
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：500mA
- DC Resistance (DCR) (Max)：1.2Ohm (Typ)
- Voltage Rating - DC：-
- Voltage Rating - AC：300V
- Operating Temperature：-40°C ~ 100°C
- Ratings：-
- Approval Agency：ENEC, UR, VDE
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.697" L x 0.673" W (17.70mm x 17.10mm)
- Height (Max)：0.508" (12.90mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：27 mH @ 10 kHz
- Qualification：-
- Grade：-
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Overview
The Schaffner RN112-0.5-02-27M is a current-compensated common-mode choke designed for interference suppression in low-power circuits. It features an inductance of 27 mH and a rated DC current of 0.5 A. The component utilizes a horizontal package with four PC pins for through-hole mounting. Physical dimensions are 17.7 mm in length, 17.1 mm in width, and 12.9 mm in maximum height. It operates within a temperature range of -40°C to +100°C.
Feature Summary
- Provides common-mode interference suppression via current-compensated design
- Utilizes wound inductors on toroidal ferrite cores
- Supports series connection with AC power lines or neutral conductors
Applications
- Common-mode noise suppression in low-power signal lines
- Interference filtering for auxiliary power supplies
- EMC/EMI component integration in medical devices
Procurement Notes
Verify authenticity by cross-referencing the manufacturer part number with official TE Connectivity / Schaffner documentation. Confirm that the component matches the specified 27 mH inductance and 0.5 A rating. Ensure the horizontal four-pin through-hole package aligns with your PCB layout requirements before procurement.
Selection Notes
Select this component for applications requiring common-mode noise reduction in circuits with currents up to 0.5 A. The horizontal form factor suits space-constrained PCB layouts. Verify compatibility with operating temperatures between -40°C and +100°C. This current-compensated choke is suitable for phase or neutral line series insertion.
Part Context
This component belongs to the RN series of common-mode chokes manufactured by TE Connectivity / Schaffner. The series consists of wound inductors on toroidal ferrite cores providing current-compensated inductance. These components are engineered for effective common-mode and asymmetric noise suppression in electronic systems.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult official manufacturer documentation for qualified alternatives.
FAQ
What is the inductance value of the RN112-0.5-02-27M?
The inductance value is 27.0 mH.
What is the maximum rated DC current for this choke?
The rated current is 0.5 A.
How is the RN112-0.5-02-27M mounted?
It uses a horizontal package with four PC pins for through-hole mounting.
