Audio Indicators/Transducers
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AT-12M

Piezo Audio Transducer

  • Mfr: Projects Unlimited
  • 1" Dia. x 0.165"
  • 6000 Hz Resonant Frequency
  • 68-70 dB
  • 1-3 Volts
  • 1.14" Hole Spacing
AT-141

Piezo Ceramic Audio Transducer

  • Mfr: Projects Unlimited
  • 1.65" Dia. x 0.55"
  • Max Input Voltage 30V @ 3.9 mA
  • Resonant Frequency: 2800 Hz
  • 88 dBA
EAI-380K

CONSTANT TONE/DC

Mfg. Projects Unl.
4-28V @ 4-18mA
Gray ABS Plastic case
Fits 1-1/8” dia. X 1/4” thick opening.
EAI-381K

FAST PULSING

Mfg. Projects Unl.
4-28V @ 4-18mA
Gray ABS Plastic case
Fits 1-1/8” dia. X 1/4” thick opening.

EAI-381KP

SLOW PULSING

Mfg. Projects Unl.
4-28V @ 4-18mA
Gray ABS Plastic case
Fits 1-1/8” dia. X 1/4” thick opening.

EAI-382K

CONSTANT TONE/AC

Mfg. Projects Unl.
30 - 120V AC/DC
NONPOLAR
Gray ABS Plastic case
Fits 1-1/8” dia. X 1/4” thick opening.

EAI-390

CONSTANT TONE

Mfg. Projects Unl.
6 - 30VDC @ 3-18mA
Gray ABS Plastic case
1-11/16” dia. X 3/4”
Snap-in panel mount with solder connection.

EAI-400K

CONSTANT TONE

Mfg. Projects Unl.
3-28VDC (6mA @ 12 VDC)
Gray ABS Plastic case
1-11/16” dia. X 9/16””
Frequency: 2800 Hz, 90 db
PC mount

EAI-550K

CONSTANT TONE INDICATOR

Mfg. Projects Unl.
3-20VDC (6mA @ 12vdc)
Gray ABS Plastic case
15/16’” dia. X 5/8”
Frequency: 2900 Hz, 85 db.
PC mount

EAI-606

SOLID STATE BUZZER

Mfg. Projects Unl.
4-8VDC (20mA  typ.)
Gray ABS Plastic case
1” dia. X 5/8”
Surface mount with red and black wire leads.