GT-11P

SPECIFICATION
FOR
APPROVAL
Customer:
Description: Magnetic Transducer
Sob erton Part No. : GT-11P
Date:2009-12-29
Customer Model No. :
Date of Approval
Authorization
Signature
211 N. First Street
Minneapolis, MN. 55401
612-849-6205
[email protected] erton.com
Approved
Checked
Design
Ryan
Wang Wei Rong
Xu Hong Wei
2009/12/29
2009/12/29
2009/12/29
A:SCOPE
This specification applies magnetic transducer, GT-11P
2/6
B:SPECIFICATION
■ Test condition: TEMP=+25±2 ℃ Related humidity=65±5% Air pressure:860-1060mbar
NO.
Item
Unit
Specification
Condition
Rated Voltage
Vo-p
1
Vo-p
1.5
2
3
4
5
6
7
8
9
10
11
12
13
14
Operating Voltage
Mean Current
Coil Resistance
Sound Output
Rated Frequency
Operating Temp
Storage Temp
Dimension
Weight
Vo-p
mA
Max. 35
Ω
16 ± 4.5
dBA
85 at 10cm
Hz
2048
℃
-20 ~ +60
℃
-30 ~ +70
mm
Φ 12.0 × H 8.5
gram
1.6
Material
0V
Applying rated voltage & rated frequency,
square wave 1/2 duty
Distance at 10cm(A-weight free air), Applying
rated voltage & rated frequency, square
wave,1/2duty
See attached drawing.
Magnetic transducer without wire.
PPO
Terminal
Pin type
Environmental
Protection
Regulation
Storage life
1.0 - 3.0
See attached drawing
RoHS Compliant
month
3
3 months preservation at room temp(25±3℃),
Humidity40%
3/6
C:ENVIRONMENT TEST
No.
1
2
Item
Test condition
Evaluation standard
High temp. test
After being placed in a chamber at +70℃ for 96
hours.
Low temp. test
After being placed in a chamber at -30℃ for 96
hours.
The part shall be subjected to 5 cycles. One cycle
shall consist of;
+70℃
3
Thermal shock
-30℃
30min
30min
60min
The part shall be subjected to 5 cycle and consist
of;
4
+70℃
Temp. / Humidity Cycle
After the test the part
shall meet
specifications without
any degradation in
appearance and
performance except
SPL. after 2 hours at
+25℃, The SPL shall
be in ± 10 dBA
compared with initial
one.
a, b: 90~98%RH
c: 80~98%RH
+25℃
a
b
3hrs
12±0.5hrs
3hrs
c
24hrs
D: RELIABILITY TEST
No.
Item
Test condition
□ Applying rated voltage, rated frequency, square wave ,
1/2 duty cycle:
1
Operating
life test
Ordinary temperature
The part shall be subjected to 96 hours at room
temperature.
Evaluation standard
After the test the part shall
meet specifications without
any degradation in
appearance and performance
except SPL. after 2 hours at
+25℃,The SPL shall be in ±
10 dBA compared with
initial one.
TEST CONDITION.
Standard Test Condition
: a)Temperature: +5~+35℃ b)Humidity:45~85%
Judgment Test Condition :a)Temperature:+25±2℃
b)Humidity:60~70%
c)Pressure: 860~1060mbar
c)Pressure: 860~1060mbar
E:MECHANICAL CHARACTERISTICS
No
Item
Test condition
Terminal
Mechanical
Apply the terminal with 9.8N(1kg) strength for 10±1 sec.
1
Strength
2
3
The part shall be subjected to a vibration cycle of 10Hz
to 55Hz in a period of 1 minute. Total peak amplitude
shall be 1.52mm(9.3G). The vibration test shall consist of
2 hours per axis in each three axes(X、Y、Z).
Vibration
The part only shall be dropped from a height of 75cm
onto a 40mm think wooden board 1 times.
Drop test
4/6
Evaluation standard
No damage and cutting
off
After the test the part
shall meet specifications
without any damage in
appearance and
performance except
SPL. The SPL shall be
in ± 10 dBA compared
with initial one.
(
)
* Wave Soldering profile of lead-free
Temp.(° C)
Max. 10 sec.
250° C
245° C
235° C
200K/s--130°C
---5K/s
100°C
---forced cooling
50° C
0
0
50
100
150
200
250
300
Time(sec)
Recommendable wave soldering condition is as follows.
Note 1: It is requested that wave soldering should be executed after
heat of product goes down to normal temperature.
Note 2: Peak wave temperature of 235°C ~ 250°C maximum of 10 sec. .
5/6
F: MEASUREMENT METHOD
+Vcc
BZ
Vo-p
Magnetic
Transducer
180
VCE
OV
G: INSPECTION FIXTURE
Magnetic Transducer
40cm
10cm
Sound Level Meter TES1350A
6/6