Electrical Characteristics
Sensitivity
Symbol: S
EM ELECTRET
CONDENSER
MICROPHONE
Acoustic Product Specification
Product Number: EM-6050
Unit: dB
Condition: 0dB=1V/Pa at 1kHz
Center: -42
Limits: Min: -45
Max: -39
Output impedance
Symbol: Z out
Unit: KΩ
Condition: f=1kHz
Limits: Max: 2.2
Current Consumption
Symbol: IDSS
Unit: µA
Condition: VCC = 2.0V, RL= 2.2KΩ
Limits: Max: 500
Signal to Noise Ratio
Symbol: S/N
Unit: dB
Condition: at 1kHz S.P.L=1Pa (A-Weighted Curve)
Release | Revision: B/2018
Limits: Min: 58
Decreasing Voltage
Symbol: ΔS
CONTENTS
This document contains the technical
specifications for the omni directional
back electret condenser microphone.
Page 1
Electrical Characteristics
Unit: dB
Condition: VCC=3.0V to 2.0V
Limits: Max: -3
Operating Voltage
Unit: V
Limits: Min: 1.0 Max: 10
Page 2
Typical Frequency Response Curve
Measurement Circuit
Page 3
Measurement Setup Drawing
Product External and Dimensions
Page 4
Exploded Drawing
Material Table
Page 5
Temperature Conditions
Maximum input S.P.L
Unit: dB
Limits: Max: 110
Testing condition
Temperature: 20±2℃
Humidity: 65±5%
Dimension
Ø6.0 x 5.0mm
Reliability Test
IP Level
Page 6
Soldering Condition
Heat Sink
IP50
Page 7
Packing
1
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Typical Frequency Response Curve
Frequency Response
EM ELECTRET
CONDENSER
MICROPHONE
Acoustic Product Specification
Product Number: EM-6050
Standard Test Fixture
Frequency(Hz)
Release | Revision: B/2018
CONTENTS
This document contains the technical
specifications for the omni directional
back electret condenser microphone.
Lower Limit(dB)
Upper Limit(dB)
50
-6
+3
100
-3
+3
800
-3
+3
1000
0
0
1200
-3
+3
3000
-3
+8
5000
-3
+8
10000
-8
+8
Page 1
Electrical Characteristics
Page 2
Typical Frequency Response Curve
Measurement Circuit
Page 3
Measurement Setup Drawing
Product External and Dimensions
Measurement Circuit
RL = 2.2KΩ Vs = 2.0V C1 = 10pF C2 = 33pF C = 1µF
Page 4
Exploded Drawing
Material Table
Page 5
Temperature Conditions
Reliability Test
Page 6
Soldering Condition
Heat Sink
Page 7
Packing
2
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Measurement Setup Drawing
EM ELECTRET
CONDENSER
MICROPHONE
Acoustic Product Specification
Product Number: EM-6050
Product External and Dimension
Unit: mm
Release | Revision: B/2018
CONTENTS
This document contains the technical
specifications for the omni directional
back electret condenser microphone.
Page 1
Electrical Characteristics
Page 2
Typical Frequency Response Curve
Measurement Circuit
Page 3
Measurement Setup Drawing
Product External and Dimensions
Page 4
Exploded Drawing
Material Table
Page 5
Temperature Conditions
Reliability Test
Page 6
Soldering Condition
Heat Sink
Page 7
Packing
3
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Exploded Drawing and Material Table
EM ELECTRET
CONDENSER
MICROPHONE
Acoustic Product Specification
Product Number: EM-6050
Release | Revision: B/2018
CONTENTS
This document contains the technical
specifications for the omni directional
back electret condenser microphone.
Page 1
Electrical Characteristics
Page 2
Typical Frequency Response Curve
Measurement Circuit
Page 3
Measurement Setup Drawing
Product External and Dimensions
Page 4
Exploded Drawing
Material Table
No.
Part Name
Material
Quantity
1
Dustproof Gauze
Non-weave cloth
1
2
Case
Al & Mg Alloy
1
3
Diaphragm
1
4
Spacer
1
5
Electret Plate
1
6
Chamber
1
7
PCB
8
FET
1
9
Capacitor
2
FR-4
Remark
1
10pF + 33pF
Page 5
Temperature Conditions
Reliability Test
Page 6
Soldering Condition
Heat Sink
Page 7
Packing
4
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Temperature Conditions
Operating Temperature Range
-40℃~+85℃
EM ELECTRET
CONDENSER
MICROPHONE
Storage Temperature Range
-40℃~+85℃
Note: Store in electronic warehouse.
Acoustic Product Specification
Reliability Test
Product Number: EM-6050
After each of the following tests, the sensitivity of the microphone should be within
±3dB of initial sensitivity after 3 hours of conditioning at 20℃.
Vibration Test
Frequency : 10Hz~55Hz
Amplitude: 1.52mm
Change of Frequency : 1 octave/min
2 hours in each of axis
High Temperature Test
Release | Revision: B/2018
+85℃ for 240 hours.
Low Temperature Test
-40℃ for 240 hours.
CONTENTS
This document contains the technical
specifications for the omni directional
back electret condenser microphone.
Page 1
Electrical Characteristics
Page 2
Typical Frequency Response Curve
Measurement Circuit
Page 3
Measurement Setup Drawing
Product External and Dimensions
Page 4
Exploded Drawing
Material Table
Page 5
Temperature Conditions
Humidity Test
90%~95%RH, +60℃ for 240 hours.
Thermal Shock Test
–40°C, 30 minutes ↔ +80°C, 30 minutes, repeated 32 cycles →
room temperature, 3 hours.
Temperature Cycles
-40℃
↔ +20℃ ↔ +85℃ ↔ +20℃ ↔ -40℃
(2h) (0.5h) (2h)
(0.5h) (2h) (0.5h) (2h) (0.5h) (2h) for 5 cycles.
Packing Drop Test
Height: 1.5m
Procedure: 5 times from each of axis
Electrostatic discharge
Reliability Test
Tested to IEC61000-4-2 level 3:
Page 6
Soldering Condition
Heat Sink
a) Contact Discharge: The microphone shall operate normally after 10
discharges to is 6KV DC and the discharge network is 150pF and 330Ω.
Page 7
Packing
b) Air Discharge: The microphone shall operate normally after 10
discharges to is 8KV DC and the discharge network is 150pF and 330Ω
5
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Soldering Condition
We suggest using anti-static welding machine which can control soldering
temperature automatically.
EM ELECTRET
CONDENSER
MICROPHONE
Acoustic Product Specification
Soldering temperature should be controlled under 320℃ and soldering time for
each terminal should be 1~2 seconds.
Microphone should be fixed on the metal block (heat sink), which has high radiation
effects, and heat sink shall contact with MIC tightly.
Microphone may easily be destroyed by the static electricity. The countermeasure
for eliminating the static electricity shall be by grounding the worktable and
operator.
Product Number: EM-6050
Heat Sink
Shape of heat sink
Release | Revision: B/2018
CONTENTS
This document contains the technical
specifications for the omni directional
back electret condenser microphone.
Page 1
Electrical Characteristics
Page 2
Typical Frequency Response Curve
Measurement Circuit
Shape of hole at fixed part
Page 3
Measurement Setup Drawing
Product External and Dimensions
Page 4
Exploded Drawing
Material Table
Page 5
Temperature Conditions
Reliability Test
Page 6
Soldering Condition
Heat Sink
Page 7
Packing
6
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Packing
EM ELECTRET
CONDENSER
MICROPHONE
Acoustic Product Specification
Product Number: EM-6050
Release | Revision: B/2018
CONTENTS
This document contains the technical
specifications for the omni directional
back electret condenser microphone.
Page 1
Electrical Characteristics
Page 2
Typical Frequency Response Curve
Measurement Circuit
Page 3
Measurement Setup Drawing
Product External and Dimensions
Page 4
Exploded Drawing
Material Table
Page 5
Temperature Conditions
Reliability Test
Page 6
Soldering Condition
Heat Sink
Details
Dimension: (length x width x height) unit: mm
Anti-Static Foam:
80 x 80 x 2mm
Small Packet:
85 x 85 x 10mm
Middle Box:
170 x 85 x 50mm
Carton Size:
550 x 230 x 235mm
Quantity and Weight
Small Box: 100 pcs
Middle Box: 1,000 pcs
Carton: 30,000 pcs
1PC: 0.3g
Net Weight: 9.0kg
Gross Weight: 13.0kg
Page 7
Packing
7
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