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Embedded World – Nuremberg – March 11-13

10 February 2025

Embedded World is the the world’s leading exhibition and conference for embedded systems spans hardware, software, tools, and services. Embedded World 2025 is the leading

Speciality Microphones

The BU Series piezo-ceramic accelerometer has output from 20 Hz to above 10 kHz, and is used primarily as a contact microphone for high noise environments. It may also be used as an accelerometer with lightweight structures. As a contact microphone, the BU may be worn on the throat, or touching a bony part of the head (top, temple, or mastoid bone). BU has been integrated into helmet designs for radio communication for military and emergency services.

Name	Description	Diameter / length [mm]	Width [mm]	Thickness [mm]	Directivity	Impedance [Ohm]	Nominal Voltage [V]	Sensitivity @ 1kHz [dBV re. 1V/Pa]	Sensitivity Tolerance [± dB]	SNR [dB]	AOP [dB]	Connection	Product status
TO-24609-B26	EC ST microphone	3.569	3.569	1.30	Omnidirectional	4400	1.6	-36	3	94	120	3-Wire	Active
TO-30034-000	EC ST microphone	7.65	3.58	2.62	Omnidirectional	3750	1.6	-34	3	65.5	118	3-Wire	Preferred
TO-30994-000	EC ST microphone	3.569	3.569	1.30	Omnidirectional	3750	1.6	-34	3	94	118	3-Wire	Active
NR-25994-D63	EC ST microphone	5.56	3.99	1.12	Bi-directional	2000	10	-35	3	94	119	3-Wire	Active
NR-30572-000	EC ST microphone	5.56	3.99	1.12	Bi-directional	4400	10	-32	3	94	116	3-Wire	Active
WP-23501-000	EC ST microphone	5.56	3.99	2.21	Bi-directional	2500	10	-34	3	94	118	2-Wire	Preferred
WP-23502-000	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-32	3	94	116	3-Wire	Preferred
WP-23502-P16	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-32	3	94	116	3-Wire	Preferred
WP-25993-D63	EC ST microphone	5.56	3.99	2.21	Bi-directional	2000	10	-35	3	94	119	3-Wire	Preferred
WP-30113-P03	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-54	3	54	138	3-Wire	Active
VFG-30747-000	EC ST microphone	3	-	3.70	Omnidirectional	4440	3	-35	3	94	119	3-Wire	Active
MR-23151-000	EC ST microphone	22.12	-	9.3	Omnidirectional	300	-	-67	3	94	151	2-Wire	Preferred
NR-23158-000	EC ST microphone	5.56	3.99	1.12	Bi-directional	4400	10	-29	3	94	113	3-Wire	Active
NR-23159-000	EC ST microphone	5.56	3.99	1.12	Bi-directional	2500	10	-45	3	94	129	2-Wire	Active
NR-23160-000	EC ST microphone	5.56	3.99	1.12	Bi-directional	2500	10	-32	3	94	116	2-Wire	Active
NR-25994-C97	EC ST microphone	5.56	3.99	1.12	Bi-directional	4400	5	-27	3	94	111	3-Wire	Active
FG45-32491-000	EC ST microphone	2.565	-	2.55	Omnidirectional	22000	10	-38	3	54	122	3-Wire	Active
FG-23742-D65	EC ST microphone	2.565	-	2.54	Omnidirectional	4400	3	-43	3	58	127	3-Wire	Preferred
FG38-30490-C36	EC ST microphone	2.565	-	2.54	Omnidirectional	4400	1.6	-31	3	66	115	3-Wire	Active
FG-23329-D65	EC ST microphone	2.565	-	2.54	Omnidirectional	4400	3	-33	3	64	117	3-Wire	Preferred
FG-23329-P142	EC ST microphone	2.565	-	2.54	Omnidirectional	4400	3	-34	3	64	118	3-Wire	Preferred
EM-24446-C36	EC ST microphone	3.569	3.569	2.21	Omnidirectional	4400	1.6	-32	3	66	116	3-Wire	Active
EM-26334-C53	EC ST microphone	3.569	3.569	2.21	Omnidirectional	4400	1.6	-32	3	66	116	3-Wire	Active
EM-23446-C36	EC ST microphone	3.569	3.569	2.21	Omnidirectional	4400	1.6	-36	3	66	120	3-Wire	Preferred
DFG-30445-000	EC ST microphone	2.69	-	2.56	uni-directional	1700	3	-49	3	44	133	3-Wire	Preferred
EA-21842-C36	EC ST microphone	5.56	3.99	2.21	Omnidirectional	3500	10	-39	3	94	123	3-Wire	Preferred
EK-23024-C36	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-33	3	68	117	3-Wire	Active
EK-23028-C36	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-37	3	63	121	3-Wire	Active
EK-23132-C36	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-33	3	68	117	3-Wire	Active
EK-23133-000	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-33	3	68	117	3-Wire	Active
EK-26899-P03	EC ST microphone	5.56	3.99	2.18	Omnidirectional	-	10	-51	3	54	135	3-Wire	Active
EK-26899-P58	EC ST microphone	5.56	3.99	2.18	Omnidirectional	-	10	-51	3	54	135	3-Wire	Active
BTM-26901-B01	EC ST microphone	7.24	3.57	1.70	Omnidirectional / Directional	5200	1.3	-35.5	3	65	120	3-Wire	Active
WP-25393-000	EC ST microphone	5.56	3.99	2.21	Bi-directional	4400	1.3	-41.5	3	94	126	3-Wire	Preferred
WP-30113-P132	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-54	3	54	138	3 Wire + Ground	Active
EM-30081-P133	EC ST microphone	3.569	3.569	2.21	Omnidirectional	4400	1.3	-48	3	94	132	3-Wire	Active
FG38-31011-S16	EC ST microphone	2.565	-	2.54	Omnidirectional	4400	1.6	-31	3	66	115	3-Wire	Active
EM-24346-D65	EC ST microphone	3.569	3.569	2.21	Omnidirectional	4400	1.3	-32	3	94	116	3-Wire	Active
EM-24446-G10	EC ST microphone	3.569	3.569	2.21	Omnidirectional	4400	1.6	-32	3	94	116	3-Wire	Active
BFG-30035-G22	EC ST microphone	2.565	-	2.54	Omnidirectional	5200	1.3	-34	3	65.5	118	3-Wire	Preferred
BJ-21590-000	EC ST microphone	7.87	5.59	4.01	Omnidirectional	3900	-	-55.5	3	NA	140	2-Wire	Preferred
BJ-21591-000	EC ST microphone	7.87	5.59	4.01	Omnidirectional	3900	-	-55.5	3	NA	140	2-Wire	Preferred
BJ-23141-134	EC ST microphone	7.87	5.59	4.01	Omnidirectional	300	-	-67.5	3	NA	152	2-Wire	Preferred
BJ-28471-000	EC ST microphone	7.87	5.59	4.01	Noise Cancelling	150	-	-70	3	NA	154	2-Wire	Active

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Speciality Microphones

The BU Series piezo-ceramic accelerometer has output from 20 Hz to above 10 kHz, and is used primarily as a contact microphone for high noise environments. It may also be used as an accelerometer with lightweight structures. As a contact microphone, the BU may be worn on the throat, or touching a bony part of the head (top, temple, or mastoid bone). BU has been integrated into helmet designs for radio communication for military and emergency services.

Name	Description	Diameter / length [mm]	Width [mm]	Thickness [mm]	Directivity	Impedance [Ohm]	Nominal Voltage [V]	Sensitivity @ 1kHz [dBV re. 1V/Pa]	Sensitivity Tolerance [± dB]	SNR [dB]	AOP [dB]	Connection	Product status
TO-24609-B26	EC ST microphone	3.569	3.569	1.30	Omnidirectional	4400	1.6	-36	3	94	120	3-Wire	Active
TO-30034-000	EC ST microphone	7.65	3.58	2.62	Omnidirectional	3750	1.6	-34	3	65.5	118	3-Wire	Preferred
TO-30994-000	EC ST microphone	3.569	3.569	1.30	Omnidirectional	3750	1.6	-34	3	94	118	3-Wire	Active
NR-25994-D63	EC ST microphone	5.56	3.99	1.12	Bi-directional	2000	10	-35	3	94	119	3-Wire	Active
NR-30572-000	EC ST microphone	5.56	3.99	1.12	Bi-directional	4400	10	-32	3	94	116	3-Wire	Active
WP-23501-000	EC ST microphone	5.56	3.99	2.21	Bi-directional	2500	10	-34	3	94	118	2-Wire	Preferred
WP-23502-000	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-32	3	94	116	3-Wire	Preferred
WP-23502-P16	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-32	3	94	116	3-Wire	Preferred
WP-25993-D63	EC ST microphone	5.56	3.99	2.21	Bi-directional	2000	10	-35	3	94	119	3-Wire	Preferred
WP-30113-P03	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-54	3	54	138	3-Wire	Active
VFG-30747-000	EC ST microphone	3	-	3.70	Omnidirectional	4440	3	-35	3	94	119	3-Wire	Active
MR-23151-000	EC ST microphone	22.12	-	9.3	Omnidirectional	300	-	-67	3	94	151	2-Wire	Preferred
NR-23158-000	EC ST microphone	5.56	3.99	1.12	Bi-directional	4400	10	-29	3	94	113	3-Wire	Active
NR-23159-000	EC ST microphone	5.56	3.99	1.12	Bi-directional	2500	10	-45	3	94	129	2-Wire	Active
NR-23160-000	EC ST microphone	5.56	3.99	1.12	Bi-directional	2500	10	-32	3	94	116	2-Wire	Active
NR-25994-C97	EC ST microphone	5.56	3.99	1.12	Bi-directional	4400	5	-27	3	94	111	3-Wire	Active
FG45-32491-000	EC ST microphone	2.565	-	2.55	Omnidirectional	22000	10	-38	3	54	122	3-Wire	Active
FG-23742-D65	EC ST microphone	2.565	-	2.54	Omnidirectional	4400	3	-43	3	58	127	3-Wire	Preferred
FG38-30490-C36	EC ST microphone	2.565	-	2.54	Omnidirectional	4400	1.6	-31	3	66	115	3-Wire	Active
FG-23329-D65	EC ST microphone	2.565	-	2.54	Omnidirectional	4400	3	-33	3	64	117	3-Wire	Preferred
FG-23329-P142	EC ST microphone	2.565	-	2.54	Omnidirectional	4400	3	-34	3	64	118	3-Wire	Preferred
EM-24446-C36	EC ST microphone	3.569	3.569	2.21	Omnidirectional	4400	1.6	-32	3	66	116	3-Wire	Active
EM-26334-C53	EC ST microphone	3.569	3.569	2.21	Omnidirectional	4400	1.6	-32	3	66	116	3-Wire	Active
EM-23446-C36	EC ST microphone	3.569	3.569	2.21	Omnidirectional	4400	1.6	-36	3	66	120	3-Wire	Preferred
DFG-30445-000	EC ST microphone	2.69	-	2.56	uni-directional	1700	3	-49	3	44	133	3-Wire	Preferred
EA-21842-C36	EC ST microphone	5.56	3.99	2.21	Omnidirectional	3500	10	-39	3	94	123	3-Wire	Preferred
EK-23024-C36	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-33	3	68	117	3-Wire	Active
EK-23028-C36	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-37	3	63	121	3-Wire	Active
EK-23132-C36	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-33	3	68	117	3-Wire	Active
EK-23133-000	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-33	3	68	117	3-Wire	Active
EK-26899-P03	EC ST microphone	5.56	3.99	2.18	Omnidirectional	-	10	-51	3	54	135	3-Wire	Active
EK-26899-P58	EC ST microphone	5.56	3.99	2.18	Omnidirectional	-	10	-51	3	54	135	3-Wire	Active
BTM-26901-B01	EC ST microphone	7.24	3.57	1.70	Omnidirectional / Directional	5200	1.3	-35.5	3	65	120	3-Wire	Active
WP-25393-000	EC ST microphone	5.56	3.99	2.21	Bi-directional	4400	1.3	-41.5	3	94	126	3-Wire	Preferred
WP-30113-P132	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-54	3	54	138	3 Wire + Ground	Active
EM-30081-P133	EC ST microphone	3.569	3.569	2.21	Omnidirectional	4400	1.3	-48	3	94	132	3-Wire	Active
FG38-31011-S16	EC ST microphone	2.565	-	2.54	Omnidirectional	4400	1.6	-31	3	66	115	3-Wire	Active
EM-24346-D65	EC ST microphone	3.569	3.569	2.21	Omnidirectional	4400	1.3	-32	3	94	116	3-Wire	Active
EM-24446-G10	EC ST microphone	3.569	3.569	2.21	Omnidirectional	4400	1.6	-32	3	94	116	3-Wire	Active
BFG-30035-G22	EC ST microphone	2.565	-	2.54	Omnidirectional	5200	1.3	-34	3	65.5	118	3-Wire	Preferred
BJ-21590-000	EC ST microphone	7.87	5.59	4.01	Omnidirectional	3900	-	-55.5	3	NA	140	2-Wire	Preferred
BJ-21591-000	EC ST microphone	7.87	5.59	4.01	Omnidirectional	3900	-	-55.5	3	NA	140	2-Wire	Preferred
BJ-23141-134	EC ST microphone	7.87	5.59	4.01	Omnidirectional	300	-	-67.5	3	NA	152	2-Wire	Preferred
BJ-28471-000	EC ST microphone	7.87	5.59	4.01	Noise Cancelling	150	-	-70	3	NA	154	2-Wire	Active

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Search for specific product:

Categories:

Latest News:

Embedded World – Nuremberg – March 11-13

10 February 2025

Embedded World is the the world’s leading exhibition and conference for embedded systems spans hardware, software, tools, and services. Embedded World 2025 is the leading

Search for specific product:

Categories:

Latest News:

Embedded World – Nuremberg – March 11-13

10 February 2025

Embedded World is the the world’s leading exhibition and conference for embedded systems spans hardware, software, tools, and services. Embedded World 2025 is the leading

Speciality Microphones

The BU Series piezo-ceramic accelerometer has output from 20 Hz to above 10 kHz, and is used primarily as a contact microphone for high noise environments. It may also be used as an accelerometer with lightweight structures. As a contact microphone, the BU may be worn on the throat, or touching a bony part of the head (top, temple, or mastoid bone). BU has been integrated into helmet designs for radio communication for military and emergency services.

Name	Description	Diameter / length [mm]	Width [mm]	Thickness [mm]	Directivity	Impedance [Ohm]	Nominal Voltage [V]	Sensitivity @ 1kHz [dBV re. 1V/Pa]	Sensitivity Tolerance [± dB]	SNR [dB]	AOP [dB]	Connection	Product status
TO-24609-B26	EC ST microphone	3.569	3.569	1.30	Omnidirectional	4400	1.6	-36	3	94	120	3-Wire	Active
TO-30034-000	EC ST microphone	7.65	3.58	2.62	Omnidirectional	3750	1.6	-34	3	65.5	118	3-Wire	Preferred
TO-30994-000	EC ST microphone	3.569	3.569	1.30	Omnidirectional	3750	1.6	-34	3	94	118	3-Wire	Active
NR-25994-D63	EC ST microphone	5.56	3.99	1.12	Bi-directional	2000	10	-35	3	94	119	3-Wire	Active
NR-30572-000	EC ST microphone	5.56	3.99	1.12	Bi-directional	4400	10	-32	3	94	116	3-Wire	Active
WP-23501-000	EC ST microphone	5.56	3.99	2.21	Bi-directional	2500	10	-34	3	94	118	2-Wire	Preferred
WP-23502-000	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-32	3	94	116	3-Wire	Preferred
WP-23502-P16	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-32	3	94	116	3-Wire	Preferred
WP-25993-D63	EC ST microphone	5.56	3.99	2.21	Bi-directional	2000	10	-35	3	94	119	3-Wire	Preferred
WP-30113-P03	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-54	3	54	138	3-Wire	Active
VFG-30747-000	EC ST microphone	3	-	3.70	Omnidirectional	4440	3	-35	3	94	119	3-Wire	Active
MR-23151-000	EC ST microphone	22.12	-	9.3	Omnidirectional	300	-	-67	3	94	151	2-Wire	Preferred
NR-23158-000	EC ST microphone	5.56	3.99	1.12	Bi-directional	4400	10	-29	3	94	113	3-Wire	Active
NR-23159-000	EC ST microphone	5.56	3.99	1.12	Bi-directional	2500	10	-45	3	94	129	2-Wire	Active
NR-23160-000	EC ST microphone	5.56	3.99	1.12	Bi-directional	2500	10	-32	3	94	116	2-Wire	Active
NR-25994-C97	EC ST microphone	5.56	3.99	1.12	Bi-directional	4400	5	-27	3	94	111	3-Wire	Active
FG45-32491-000	EC ST microphone	2.565	-	2.55	Omnidirectional	22000	10	-38	3	54	122	3-Wire	Active
FG-23742-D65	EC ST microphone	2.565	-	2.54	Omnidirectional	4400	3	-43	3	58	127	3-Wire	Preferred
FG38-30490-C36	EC ST microphone	2.565	-	2.54	Omnidirectional	4400	1.6	-31	3	66	115	3-Wire	Active
FG-23329-D65	EC ST microphone	2.565	-	2.54	Omnidirectional	4400	3	-33	3	64	117	3-Wire	Preferred
FG-23329-P142	EC ST microphone	2.565	-	2.54	Omnidirectional	4400	3	-34	3	64	118	3-Wire	Preferred
EM-24446-C36	EC ST microphone	3.569	3.569	2.21	Omnidirectional	4400	1.6	-32	3	66	116	3-Wire	Active
EM-26334-C53	EC ST microphone	3.569	3.569	2.21	Omnidirectional	4400	1.6	-32	3	66	116	3-Wire	Active
EM-23446-C36	EC ST microphone	3.569	3.569	2.21	Omnidirectional	4400	1.6	-36	3	66	120	3-Wire	Preferred
DFG-30445-000	EC ST microphone	2.69	-	2.56	uni-directional	1700	3	-49	3	44	133	3-Wire	Preferred
EA-21842-C36	EC ST microphone	5.56	3.99	2.21	Omnidirectional	3500	10	-39	3	94	123	3-Wire	Preferred
EK-23024-C36	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-33	3	68	117	3-Wire	Active
EK-23028-C36	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-37	3	63	121	3-Wire	Active
EK-23132-C36	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-33	3	68	117	3-Wire	Active
EK-23133-000	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-33	3	68	117	3-Wire	Active
EK-26899-P03	EC ST microphone	5.56	3.99	2.18	Omnidirectional	-	10	-51	3	54	135	3-Wire	Active
EK-26899-P58	EC ST microphone	5.56	3.99	2.18	Omnidirectional	-	10	-51	3	54	135	3-Wire	Active
BTM-26901-B01	EC ST microphone	7.24	3.57	1.70	Omnidirectional / Directional	5200	1.3	-35.5	3	65	120	3-Wire	Active
WP-25393-000	EC ST microphone	5.56	3.99	2.21	Bi-directional	4400	1.3	-41.5	3	94	126	3-Wire	Preferred
WP-30113-P132	EC ST microphone	5.56	3.99	2.21	Omnidirectional	4400	10	-54	3	54	138	3 Wire + Ground	Active
EM-30081-P133	EC ST microphone	3.569	3.569	2.21	Omnidirectional	4400	1.3	-48	3	94	132	3-Wire	Active
FG38-31011-S16	EC ST microphone	2.565	-	2.54	Omnidirectional	4400	1.6	-31	3	66	115	3-Wire	Active
EM-24346-D65	EC ST microphone	3.569	3.569	2.21	Omnidirectional	4400	1.3	-32	3	94	116	3-Wire	Active
EM-24446-G10	EC ST microphone	3.569	3.569	2.21	Omnidirectional	4400	1.6	-32	3	94	116	3-Wire	Active
BFG-30035-G22	EC ST microphone	2.565	-	2.54	Omnidirectional	5200	1.3	-34	3	65.5	118	3-Wire	Preferred
BJ-21590-000	EC ST microphone	7.87	5.59	4.01	Omnidirectional	3900	-	-55.5	3	NA	140	2-Wire	Preferred
BJ-21591-000	EC ST microphone	7.87	5.59	4.01	Omnidirectional	3900	-	-55.5	3	NA	140	2-Wire	Preferred
BJ-23141-134	EC ST microphone	7.87	5.59	4.01	Omnidirectional	300	-	-67.5	3	NA	152	2-Wire	Preferred
BJ-28471-000	EC ST microphone	7.87	5.59	4.01	Noise Cancelling	150	-	-70	3	NA	154	2-Wire	Active

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