External-driven Piezo Transducer
  APTX-277DA(277DN, 277DT)

FEATURES:
  • Compact structure
  • Widely used as telephone ringer
  • Suitable for wave soldering and washing request
 
DIMENSIONS:  (Unit: mm)

CHARACTERISTICS:
APTX-277DA 9VP-P Square Wave/10cm APTX-277DT 9VP-P Square Wave/10cm

Note :APTX-277DA is epoxy-potting type

ELECTRICAL SPECIFICATIONS :

Model No.

 APTX-277DA APTX-277DN APTX-277DT

Min. sound pressure level (dB)

 85/3.6kHz/9VP-P Square Wave /10cm 85/4kHz/9VP-P Square Wave /10cm 85/2kHz/9VP-P Square Wave /10cm

Max. Consumption  (mA)

2.5/3.6kHz/9VP-P Square Wave 

3.5/4kHz/9VP-P Square Wave 

5/2kHz/9VP-P Square Wave 

Capacitance at 120Hz(nF)

 25 ± 30% 45 ± 30%

Allowable input voltage

 40VP-P

Operating temperature (ºC)

 -20 ~+ 70

Weight

 5.5 g

Case Material/Colour

 PC/Black ABS/Black PC/Black

PACKING INFORMATION :

Packing :

1800 1500 1800 pcs per export carton

N. Weight :

13.5 9 10.5 kgs

G. Weight :

12 7.5 9 kgs

Carton Size :47 x 30.5 x 35 cm(TFM-27DA,DT)

Carton Size :46 x 30.5 x 29 cm(TFM-27DN)