EBB zey5--) EBT Piezoelectric Sounders Type EFB RCUJ/ALI/BU] REI 713, GRO E 7 ZAI AAA RE MACRORVOSHEL MORON, Y- FBI FEPY Yb ERADGSES R LEE S 47 Hd ET. RE OW READ) OH MALLF) TE RHEIED 72m), FETT EA AN CREAR ED BERN ERED T+ @BH (RCI 47, ALY 47) OR B+ RRA @ Bia) Vic bet BAe CSEREARTRE, Hit RAs comme OSMOARE, EH. 7X Th LOMBER O7FARNERS, HENS. AHHEER UO ORR BA OD na) > SH Piezoelectric Acoustic Transducers Piezoelectric Sounder consisting of piezoelectric ceramic buzzer element enclosed in a housing, is designed to obtain an efficient acoustic effect and convenient mounting. The units are suitable for mounting on P.C. board. Features Low power consumption Long life and no-noise due to non-contact No magnetic field is generated @Thin in thickness, and space saving @ High sound pressure level Covering wide frequency range Applications @Home electric equipment, clook, toy etc @OA equipment, calculator, camera etc For aiarm.(Gas leakage detector, smoke detector etc.) @For telephone ringer BaaBRIA Explanation of Part Numbers Hii #- # a EE (mm) EFB | ER 38 BK fhbahiie 9 4-7 | RC,RD, AD A | 40.1201 Bik 7 47 | RL,RM, BO B | 30.1~40 C | 20.1~30 D | 10.1~20 HRBAM (X107'kHz) a RHES EJF B Resonant Frequency | Suffix (X10-'"kHz) Common Code Type Oiameter (in mm) Piezoelectric Acoustic External Drive Type A 40.1 min. EFB Transducers (2-terminals type) RC, RO, AC) B 30.1 to 40 Self Drive Type Cc 20.1 to 30 (3-terminals type) AL. RM, BO) D 10.110 20Mrte - tkBE Ratings and Characteristics Qs FFE HIRI 1 7 2-Terminals,External-Drive Type eo ER EAE RABAAN BE AA . Part No Sound Pressure Level Capacitance Maximum ar , (Measuring conditions) at 1 kHz input Voltage EFBAA14D001 74.dB min. (15 Vp-p, 4 kHz Square wave, 10 cm) 8500 pF - 25 Vp- EFBAA40D102 86 dB min. (15 Vp-p, 4 kHz Square wave, 10 cm) 7000 pF PrP EFBRD22C41/45 | 85dB min. (15 Vp-p, 4kHz Square wave, 10 cm) 15000 pF EFBRD22C413 80 dB min. (15 Vp-p, 4 kHz Square wave, 10 cm) 75000 pF EFBRD22C415 98 dB min. (15 Vp-p, 4 kHz Square wave, 10 cm) 15000 pF EFBRD24C411 85 dB min. (15 Vp-p, 4 kHz Square wave, 10 cm) 10000 pF 30 Vp-p EFBRC24C41B 85 dB min. (15 Vp-p, 4kHz Square wave, 10 cm) 10000 pF EFBRD24C41 80 dB min. (15 Vp-p, 4 kHz Square wave, 10 cm) 12000 pF EFBAF24C101 88 dB min. (15 Vp-p, 2.5 kHz Square wave, 10 cm) 24000 pF EFBAL30D402* 70 dB min. (15 Vp-p, 3 kHz Square wave, 10 cm) 13000 pF 25 Vp-p @ Operating Temperature Range: 10 to.60 C @ Storage Temperature Range: 20 to 70C * For Telephone Ringer BRAtIEHM Dimensions in mm(not to scale) 2-Terminals, External-Drive Type EFBAA14D001 EFBAA40D102 EFBRD22C41 EFBRD22C413 = ; $22.0405 2|e2 J_"| @] ae 2-0.840.2 3 SS Hh | ~ 3 _ a 2-0.840.2 er 10.0+08 7.64 10.0408 EFBRD22C415 EFBRD24C411 FFBRD22C45 2UU EUS | ; 3 o ot a 20,8402 | sts Lon TE | R. AS] e-CU0. 2 A ofw 64 i945 |Y we 2.63.8 bh 208202 100+08 24.8:20.2 10.0408 100408 . 10.008 96