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Product Detailed Parameters
- Description：FILTER RC(PI) 20 OHMS ESD SMD
- Series：PEMI2STD
- Mfr：NXP USA Inc.
- Package：Tape & Reel (TR),Bulk
- Type：Low Pass
- Filter Order：2nd
- Technology：RC (Pi)
- Number of Channels：2
- Center / Cutoff Frequency：-
- Attenuation Value：-
- Resistance - Channel (Ohms)：20
- Values：R = 20Ohms, C = 21pF (Total)
- ESD Protection：Yes
- Operating Temperature：-40°C ~ 85°C
- Applications：Data Lines for Mobile Devices
- Voltage - Rated：-
- Mounting Type：Surface Mount
- Package / Case：SOT-665
- Size / Dimension：0.063" L x 0.047" W (1.60mm x 1.20mm)
- Height：0.024" (0.60mm)
- Current：-
- Grade：-
- Qualification：-
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Overview
The PEMI2STD/CR,115 is a second-order low-pass RC Pi-filter designed for EMI suppression and ESD protection in data line applications. Manufactured by NXP USA Inc., this surface-mount device features two channels with a channel resistance of 20 Ohms and a total capacitance of 21pF. It operates within a temperature range of -40°C to 85°C and is housed in a compact 5-pin plastic package.
Feature Summary
- Integrates passive RC filtering with integrated diodes for downstream ESD protection
- Provides high attenuation for electromagnetic interference on data lines
- Compact surface-mount design suitable for space-constrained mobile devices
Applications
- Data lines for mobile devices
- LAN interfaces
- PCS networks
- WAN connections
Procurement Notes
Verify the specific suffix CR indicates the 20-ohm resistance variant, as the PEMI2STD family includes multiple resistance values. Confirm package compatibility and check current availability status, as older revisions may be discontinued or subject to last-time buy notices from NXP Semiconductors.
Selection Notes
Select this component when a 20-ohm series resistance is required for impedance matching or specific filter cutoff frequencies. Ensure the 21pF total capacitance aligns with signal integrity requirements for the target data rate. Verify that the integrated ESD protection level meets the system's environmental standards.
Part Context
This part belongs to the PEMI2STD family of RC Pi-filters from NXP Semiconductors. The family offers various resistance configurations (e.g., 20, 65, 100 ohms) to suit different transmission line impedances. These components combine filtering and protection functions to simplify PCB layout and reduce bill-of-materials count.
Replacement Considerations
Substitutes must match the 20-ohm resistance and 21pF capacitance values. Compatible alternatives include other PEMI2STD variants with identical electrical parameters but different packaging or tape-and-reel options, provided the pinout remains compatible.
