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Part No. (Minimum 3 characters)

Termination

(-) Remove pin filter pin

SPL @ 30cm dB

0–10 (0) Apply 0–10 filter
(-) Remove 100–110 filter 100–110

Driven

internal driven (2) Apply internal driven filter
external driven (1) Apply external driven filter

Type

piezo (3) Apply piezo filter

Width mm

0–10 (0) Apply 0–10 filter
(-) Remove 20–30 filter 20–30
30–40 (2) Apply 30–40 filter

Height mm

10–20 (3) Apply 10–20 filter
20–30 (2) Apply 20–30 filter

Freq Rated kHz

3–4 (3) Apply 3–4 filter

Voltage (Rated) V

4–9 (1) Apply 4–9 filter
9–15 (3) Apply 9–15 filter

Alerts/Alarms/Indicators

Part #	SPL @ 30cm	Rated Freq	Rated V	Width	View
EFM-472A	100dB	3.5kHz	12.0V	30mm
EFM-472A2	100dB	3.5kHz	12.0V	30mm
W-07P	100dB	3.2kHz	9.0V	30mm

Ⓒ East Electronics Corp. 48273 Lakeview Blvd., Fremont, CA, USA.