# ACT45B-510-2P-TL003 (Component) ## Description 51 µH @ 100 kHz 2 Line Common Mode Choke Surface Mount 2.8 kOhms @ 10 MHz 200mA DCR 1Ohm Common Mode Choke Coil for suppressing common-mode noise on high-speed differential signal lines in automotive and general electronic applications. The ACT45B-510-2P-TL003 provides 51 Ω common-mode impedance at 100 MHz, supports up to 0.5 A rated current, and features a 4.5 × 3.2 × 2.8 mm surface-mount package with a wide operating temperature range of -40°C to +125°C. #CommonModeChoke #EMIFilter #NoiseSuppression #SignalLineFilter #DifferentialSignal #51Ohm #0_5A #SMD #TDK #AutomotiveElectronics ## Component Details - **Owner:** silicon-yard - **Created:** 7/23/2026 - **Last Updated:** 7/23/2026 - **Visibility:** Public - **Symbol Style:** parametric-v1 - **Manufacturer Name:** TDK - **Manufacturer Part Number:** ACT45B-510-2P-TL003 - **License:** https://creativecommons.org/licenses/by/4.0/ - **Datasheet URL:** https://product.tdk.com/en/system/files/dam/doc/product/emc/emc/cmf_cmc/catalog/cmf_automotive_signal_act45b_en.pdf - **Part Type:** Filter - **Used in:** 17 projects ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Arrow](https://www.arrow.com/en/products/act45b-510-2p-tl003/tdk.html?utm_currency=USD&region=nac) | $0.75 | 0 | | [LCSC](https://www.lcsc.com/product-detail/C76584.html) | N/A | N/A | | [Mouser](https://www.mouser.com/en/ProductDetail/TDK/ACT45B-510-2P-TL003?qs=U1cgCdF9Le9LCroNYLqljw%3D%3D) | $1.53 | 136K | | [Verical](https://www.verical.com/pd/tdk-common-mode-chokes-ACT45B510-2PTL003-773618?utm_currency=USD) | N/A | N/A | - **Part Type:** EMI / RFI Components - **Manufacturer:** TDK - **MPN:** ACT45B-510-2P-TL003 - **Mount Type:** Surface Mount - **Package / Case Code:** TO - **Pin Count:** 4 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | 1 | | | 2 | 2 | | | 3 | 3 | | | 4 | 4 | | --- *Generated from [https://www.flux.ai/silicon-yard/act45b-510-2p-tl003](https://www.flux.ai/silicon-yard/act45b-510-2p-tl003)*