DFG-30445-000 Knowles Acoustics, DFG-30445-000 Datasheet - Page 21

• Manufacturer Part Number: DFG-30445-000
• Description: MIC SUPER CARTOID UNI DIRECT FG
• Manufacturer: Knowles Acoustics
• Series: DFGr
• Type: Electret Condenserr

Specifications of DFG-30445-000

• Sensitivity: -69dB ±4dB
• Voltage - Rated: 1.3V
• Current: 50µA
• Size / Dimension: Circular - 2.56mm Dia x 2.69mm H
• S/n Ratio: -
• Filter Type: 13pF
• Impedance: 1.7K Ohm
• Frequency: 100Hz ~ 5kHz
• Termination: Solder Pads
• Direction: Unidirectional
• Port Location: Bottom and Top
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 423-1150

ED SERIES
One of Knowles’ most versatile and most popular speakers, its compact size and appreciable
output power make the ED speaker suitable for a variety of instruments.
FED SERIES
The addition of Ferrofluid
survival and provides peak damping to smooth frequency response.
Model
ED-21744-000
ED-21913-000
ED-23147-000
ED-23619-000
ED-23801-000
ED-23814-000
ED-26245-000
ED-26598-000
ED-26821-000
ED-27045-000
ED-27230-000
ED-27304-000
ED-29689-000
ED-26805-000
ED-26876-000
Model
FED-26792-I04
FED-30048-I04
– Balanced Armature Speaker 6.32 x 4.31 x 2.97 (mm)
– Balanced Armature Speaker 6.32 x 4.31 x 2.47 (mm)
Port Location
Port Location
™
to Knowles ED series speakers improves mechanical shock
12N
12C
12C
12C
12C
12C
12C
12C
12C
12C
12C
12C
12C
12C
12C
12C
9C
•
•
•
•
•
•
•
Ferrofluid
Superior shock performance and reduced speaker vibration
Two-terminal zero-bias and three-terminal center-tapped configurations
Numerous port locations and coil impedances
Undamped, screen damped, internally damped, and Ferrofluid
damped responses
Numerous port locations and coil impedances
High efficiency and low distortion
™
damped with 2dB, 4dB, or 6dB peak amplitude
1 kHz (dB SPL)
1 kHz (dB SPL)
Sensitivity @
Sensitivity @
102.5
102.5
102.5
102.5
102.5
104
104
104
104
104
104
104
104
104
104
102
102
www.knowles.com
1st Peak (dB SPL)
1st Peak (dB SPL)
SPECIALTY TRANSDUCERS – Speakers
Sensitivity @
Sensitivity @
112.5
117.5
117.5
112.5
117.5
110
113
113
106
111
113
117
118
110
111
107
107
™
1st Peak (dB SPL)
1st Peak (dB SPL)
Max SPL @
Max SPL @
116.5
120.5
115.5
120.5
116
123
127
127
122
128
122
127
127
127
127
120
121
120
115
110
105
100
95
90
85
80
75
70
125
115
105
95
85
100
100
2
2
DC Resistance
DC Resistance
3
3
(Ohms)
(Ohms)
54.5
825
376
155
196
196
201
3.3
3.3
3.7
25
23
35
23
25
4
48
23
4
5 6 7 8 9
5
6 7 8 9
Note: All performance curves are typical
FREQUENCY (Hz)
FREQUENCY (Hz)
1k
1k
Impedance @ 500 Hz
Impedance @ 500 Hz
2
2
(Ohms)
(Ohms)
1700
780
196
395
395
290
7.1
7.1
7.1
48
50
55
79
26
48
3
3
65
26
4
4
5
5
6 7 8 9
6 7 8 9
10k
10k
21