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  • Cost
    Reduction
  • Min Order From 1 PCS
  • 365 Days Warranty
  • 12 Hours Quotation
Product Specifications
  • AttributesAttribute Value
  • ManufacturerECS Inc. International
  • CategoryFilters
  • PackagesBulk
  • Standard Quantity50
  • Description21.4 MHz Center 850 Ohms Monolithic Crystal Filter Through Hole 2.5dB 7.5 kHz
  • Package / CaseHC-49/U
  • Size / Dimension0.437" L x 0.185" W (11.10mm x 4.70mm)
  • Mounting TypeThrough Hole
  • Operating Temperature-20°C ~ 70°C
  • Insertion Loss2.5dB
  • Ripple1dB
  • Height (Max)0.441" (11.20mm)
  • Impedance850 Ohms
  • Frequency - Center21.4 MHz
  • Bandwidth7.5 kHz
  • Number of Poles4

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Quality and Reliability

We supply 100% original and brand-new ECS-21K-7.5B from ECS Inc. International only.

Hard Find Electronics Tech Limited is committed to achieving the highest levels of quality to meet and exceed customer requirements. We have built a network of trusted suppliers and assembled a team of experienced professionals to serve our customers better. Our rigorous 3-step quality control process ensures that you receive the best possible service and products. All components supplied by us come with a 365-day quality warranty, guaranteeing your satisfaction and confidence in our products.

Order Guide
  • RFQ
    Source at least two reliable suppliers
  • QUOTE
    Information checking available/price/condition
  • QC PROCESS
    3-Step Quality Control and Professional Third-Party Test
  • SHIPMENT
    FedEx, DHL, UPS, TNT
In Stock: 99
Please send an RFQ for instant price and inventory.
 Fast Shipping

QUANTITY

Multiples of 1

MORECustomer Reviews
  • Ch***rl 
    Thank you for your prompt efficient service.
  • To***sz 
    Teresa, I got the package everything is ok, thanks
  • Ch***ph 
    Received today, so fast! Thank you.
  • Ma***el 
    We have received the good OPA551 and the parts for STM32F411VCT6 with thanks.
  • Ad***an 
    Good!

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Hard-to-find Electronic Components Distributor
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ECS Inc. International

ECS-21K-7.5B

In Stock: 99 | For reference only.