Piezo Audio Indicators
Panel Mounting Type
10.0 mm
0.394"
13.0 mm
0.512"
10.5 mm
0.413"
FEATURES
This product has been
OMT6––S Series
• Fits 1.125 inch (28.57 mm)
opening in panels up to 0.25
inch (6.35 mm) thick
• Three different tones and combi-
nations available
• Supplied with Phillips-head
screws
• Non-polarized versions available:
OMT650SN, OMT651SN,
OMT653SN
• Louder versions available (75-90
dB): OMT650SNL, OMT651SNL,
OMT646SNL (All are non-polar-
ized)
DISCONTINUED
Case style A:
20.0 mm
0.787"
Overall
diameter 34.0 mm
43.0 mm
1.339"
1.693"
28.5 mm
1.122"
Case style B:
29.5 mm
1.161"
Case style C
4.0 mm
0.157"
19.5 mm
0.768"
8.0 mm
0.315"
8.0 mm
0.315"
OMT6––SN Series
• Fits 1.125 inch (28.57 mm)
opening in panels up to 0.25
inch (6.35 mm) thick
• Three different tones available
• Operated by either AC or DC
voltage without polarization
• Supplied with Phillips-head
screws
• Louder versions available (75-90
dB): OMT610SNL, OMT611SNL,
OMT613SNL
36.5 mm
1.437"
31.7 mm 38.0 mm
1.248" 1.496"
42.0 mm
1.654"
OMT6––BN Series
• Fits 1.125 inch (28.57 mm)
opening in panels up to 0.25
inch (6.35 mm) thick
• Three different tones and combi-
nations available
• Operated by either AC or DC
voltage without polarization
• Supplied with 0.25 in (6.35 mm)
quick-disconnect tabs
Case
style
A
A
A
A
A
A
B
B
B
B
B
B
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
C
Terminal
layout a
(tabs)
Terminal
layout b
(tabs)
Terminal
layout c
(tabs)
Terminal
layout d
(screws)
Terminal
layout e
(screws)
Model No.
✜
OMT610BN
✔
OMT610SN
✜
OMT611BN
✔
OMT611SN
✜
OMT613BN
✔
OMT613SN
✜
OMT620BN
✜
OMT620SN
✜
OMT621BN
✜
OMT621SN
✜
OMT623BN
✜
OMT623SN
✜
OMT648S
✔
OMT650S
✔
OMT651S
✔
OMT653S
✔
OMT655S
✔
OMT657S
✔
OMT750B
✜
OMT750S
✜
OMT751B
✜
OMT751S
✜
OMT753B
✜
OMT753S
✜
OMT755B
✜
OMT755S
✜
OMT757B
✜
OMT757S
Oscillating
frequency
(Hz ±500)
2900
2900
2900
2900
2900
2900
2900
2900
2900
2900
2900
2900
2900
2900
2900
2900
2900
2900
3600
3500
3600
3600
3600
3600
3600
3600
3600
3600
Operating
voltage
30–120 AC/DC
30–120 AC/DC
30–120 AC/DC
30–120 AC/DC
30–120 AC/DC
30–120 AC/DC
60–250 AC/DC
60–250 AC/DC
60–250 AC/DC
60–250 AC/DC
60–250 AC/DC
60–250 AC/DC
10–48 DC
4–28 DC
6–28 DC
6–28 DC
6–28 DC
6–28 DC
4–28 DC
4–28 DC
6–28 DC
6–28 DC
6–28 DC
6–28 DC
6–28 DC
6–28 DC
6–28 DC
6–28 DC
Sound pressure Current
@60cm consumption
(dB min.) (mA max.)
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
70–85
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
4–18
Tone*
Continuous
Continuous
Fast pulse
Fast pulse
Slow pulse
Slow pulse
Continuous
Continuous
Fast pulse
Fast pulse
Slow pulse
Slow pulse
Continuous
Continuous
Fast pulse
Slow pulse
Cont. & F. P.
Cont. & S. P.
Continuous
Continuous
Fast pulse
Fast pulse
Slow pulse
Slow pulse
Cont. & F. P.
Cont. & F. P.
Cont. & S. P.
Cont. & S. P.
Terminal
style
Tab (b)
Screw (d)
Tab (c)
Screw (d)
Tab (c)
Screw (d)
Tab (b)
Screw (d)
Tab (c)
Screw (d)
Tab (c)
Screw (d)
Screw (d)
Screw (d)
Screw (d)
Screw (d)
Screw (e)
Screw (e)
Tab (b)
Screw (d)
Tab (c)
Screw (d)
Tab (c)
Screw (d)
Tab (a)
Screw (e)
Tab (a)
Screw (e)
Weight
(g)
40.0
35.3
40.0
40.0
40.0
40.0
62.0
62.0
62.0
62.0
62.0
62.0
37.0
32.0
32.0
37.0
38.0
38.0
17.0
17.8
20.0
21.0
20.0
21.0
21.0
23.0
21.0
23.0
OMT75–S Series
• Front-inserted panel-mounting
type
• Fits 1.25 inch (31.75 mm) open-
ing in panels up to 0.50 inch
(12.7 mm) thick
• Three different tones and combi-
nations available
• Operated by either AC or DC
voltage without polarization
• Supplied with Phillips-head
screws
OMT75–B Series
• Front-inserted panel-mounting
type
• Fits 1.25 inch (31.75 mm) open-
ing in panels up to 0.50 inch
(12.7 mm) thick
• Three different tones and combi-
nations available
• Supplied with 0.187 in (4.75 mm)
quick-disconnect tabs
All
• Operating temperature -
20°C~60°C; Storage tempera-
ture -30°C~70°C
✙
= Most popular stock values
✔
= Stock values
✜
= Non–stock values subject to minimum handling charge per item
* Pulse rate at 12VDC: Fast, 3.0 Hz ±20%;
Slow, 1.2 Hz ±20%
82
Ohmite Mfg. Co.
1600 Golf Rd., Suite 850, Rolling Meadows, IL 60008 • Tel. 1-866-9-OHMITE • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
FPGA/CPLD
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