External-driven Piezo Transducer
  TFM-27DA (27DN, 27DT)

FEATURES:
  • Compact structure
  • Widely used as telephone ringer
  • Suitable for wave soldering and washing request
DIMENSIONS:  (Unit: mm)
Model P D
TFM-27DA 4.5 Ø30.5
TFM-27DN 3.0 Ø30.5
TFM-27DT 3.35 Ø31.5
CHARACTERISTICS:
TFM-27DA 9VP-P Square Wave/10cm TFM-27DT 9VP-P Square Wave/10cm

Note : TFM-27DA is epoxy-potting type

ELECTRICAL SPECIFICATIONS :

Model No.

 TFM-27DA TFM-27DN TFM-27DT

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 (nF)

 2530% (1000Hz) 4530% (120Hz)

Allowable Input Voltage (VP-P)

 40

Operating Temperature (ºC)

 -20 ~ +70

Weight (g)

 5.5 4.7 5.5

Case Material/Colour

 PC/Black

PACKING INFORMATION :

Packing :

1800 pcs per
export carton		 1500 pcs per
export carton		 1800 pcs per expor carton

G. Weight :

11.4 kgs 8.6 kgs 11.4 kgs

N. Weight :

9.9 kgs 7.1 kgs 9.9 kgs

Carton Size :47 x 30.5 x 31 cm(TFM-27DA,DT)

Carton Size :46 x 30.5 x 29 cm(TFM-27DN)
       Back to Products 
- Print with PDF -
　 　 　 　 　 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 　 　 　 　 　

Copyright Ningbo East Electronics Limited. All rights reserved.