壓電晶（jīng）體是一種非中（zhōng）心對稱晶（jīng）體（tǐ），在機械力作用下會產生形（xíng）變，使帶電質點發生（shēng）相（xiàng）對位移，從而（ér）在晶（jīng）體表麵出現正、負束縛電（diàn）荷。
聲光晶體指具（jù）有聲光效應的晶體材料，當超聲波通過（guò）這種晶體時，會（huì）在（zài）其中產生彈性力，導（dǎo）致其折射率（lǜ）與光學性質的改變。
| Part Number |
Center Frequency (MHz)
|
3dB Bandwidth (MHz)
|
40dB Bandwidth (MHz)
|
Insertion Loss (MHz)
|
Rejection (MHz)
|
Package | Download |
|---|---|---|---|---|---|---|---|
| SP140B19 | 140 | 19 | 21.5 | 26 | 45 | DIP2212 | Downloaded after login |
| LBN14014 | 140 | 16 | 20.2 | 25 | 50 | DIP2212 | Downloaded after login |
| LBN14013 | 140 | 18 | 22.6 | 25 | 50 | DIP2212 | Downloaded after login |
| LBN14012 | 140 | 20 | 25 | 25 | 55 | DIP2212 | Downloaded after login |
| LBN14011B | 140 | 24 | 32 | 25 | 50 | DIP2212 | Downloaded after login |
| LBN14011 | 140 | 24 | 30.3 | 26.5 | 50 | DIP2212 | Downloaded after login |
| LBN14010 | 140 | 28 | 36 | 26 | 50 | DIP2212 | Downloaded after login |
| LBN14009 | 140 | 32 | 40 | 26 | 50 | DIP2212 | Downloaded after login |
| LBN14008 | 140 | 36 | 45 | 21.5 | 50 | DIP2212 | Downloaded after login |
| LBN14006 | 140 | 44 | 55 | 25 | 50 | DIP2212 | Downloaded after login |
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