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B39458-M3568-M201 from EPCOS

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B39458-M3568-M201

Manufacturer: EPCOS

IF Filter for Quasi/Split Sound Applications
Partnumber Manufacturer Quantity Availability
B39458-M3568-M201,B39458M3568M201 EPCOS 7262 In Stock

Description and Introduction

IF Filter for Quasi/Split Sound Applications The part **B39458-M3568-M201** is manufactured by **EPCOS** (now part of TDK). Below are its specifications:

- **Type**: Ceramic Resonator  
- **Frequency**: 4.000 MHz  
- **Tolerance**: ±0.5%  
- **Load Capacitance**: 30 pF  
- **Operating Temperature Range**: -20°C to +80°C  
- **Package/Case**: 3-pin SMD (Surface Mount Device)  
- **Dimensions**: 7.0 mm x 3.0 mm x 1.5 mm  

This resonator is commonly used in timing applications for microcontrollers and other electronic circuits.  

(Note: EPCOS was acquired by TDK, but the part may still carry the EPCOS branding.)

Application Scenarios & Design Considerations

IF Filter for Quasi/Split Sound Applications

Alternative Part Number

  • SF1186B --: Surface acoustic wave (SAW) filter in the same 900 MHz range with comparable insertion loss and package style, suitable as a functional drop-in for the EPCOS SAW filter.
  • TA0791A --: SAW RF filter covering similar center frequency and bandwidth with 50 ohm impedance, offering equivalent filtering performance at lower cost.
  • AFS869.0E --: RF SAW/ceramic filter with similar passband characteristics and impedance, usable as an alternative when the original EPCOS part is unavailable.
  • TA0572A --: SAW bandpass filter covering the 450-460 MHz range with similar bandwidth and impedance, suitable as a functional substitute.
  • B3550 --: Same manufacturer family of SAW filters with matching center frequency and electrical characteristics, offering the closest parametric match.

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