SPECIFICATION FOR APPROVAL

SPECIFICATION
FOR
APPROVAL
Customer:
Description: Magnetic Transducer
SOBERTON PART NO.
WST-1205S
Date:2008-10-08
Customer Model No. :
Date of Approval
Authorization
Signature
211 NORTH FIRST STREET
MINNEAPOLIS, MN. 55401
612-849-6205
[email protected]
Approved
Checked
Design
Ryan
Wang Cheng
Song Qi
2008/10/01
2008/10/01
2008/10/01
A:SCOPE
This specification applies magnetic transducer, WST-1205S
2/7
B:SPECIFICATION
■ Test condition: TEMP=+25±2 ℃ Related humidity=65±5% Air pressure:860-1060mbar
NO.
Item
Unit
Specification
Condition
Rated Voltage
1
VDC
5.0
2
3
4
5
6
7
8
9
10
11
12
13
Operating Voltage
Mean Current
Sound Output
Rated Frequency
Operating Temp
Storage Temp
Dimension
Weight
VDC
4.0 – 6.0
mA
Max. 40
Peak 120
dBA
85 at 10cm
Hz
2300±300
℃
-20 ~ +60
℃
-30 ~ +70
mm
Φ 12 × H 9.5
gram
2.0
Material
Distance at 10cm(A-weight free air), Applying
rated voltage.
See attached drawing.
PPO (Black)
Terminal
Pin type
Environmental
Protection
Regulation
Storage life
Applying rated voltage.
See attached drawing
RoHS Compliant
month
3
3 months preservation at room temp(25±3℃),
Humidity40%
3/7
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 10 cycles. One
cycle shall consist of;
+70℃
3
Thermal shock
-30℃
30min
30min
60min
The part shall be subjected to 10 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 4 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.
TEST CONDITION.
Standard Test Condition
: a)Temperature: +5~+35℃ b)Humidity:45~85%
Judgment Test Condition :a)Temperature:+25±2℃
b)Humidity:60~70%
Evaluation standard
After the test the part shall
meet specifications without
any degradation in
appearance and performance
except SPL. after 4 hours at
+25℃,The SPL shall be in ±
10 dBA compared with
initial one.
c)Pressure: 860~1060mbar
c)Pressure: 860~1060mbar
4/7
Evaluation standard
95% Min. lead
terminals shall be wet
with solder
E:MECHANICAL CHARACTERISTICS
No
Item
Test condition
Lead terminal are immersed in rosin for 5 seconds and
then immersed in Solder bath of +260±5℃ for 3±0.5
Solder ability
1
second
2
3
4
5
6
Soldering Heat Lead terminal are immersed in soldering bath of
Resistance
+260±5℃ for 5±0.5 Second.
Hand Soldering
Lead terminal are soldering of +350±5℃, 2.0±0.5
Heat Resistance
Second.
Terminal
Mechanical
Strength
Vibration
Drop test
No interference in
operation
Apply the terminal with 9.8N(1kg) strength for 10±1 sec.
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).
The part only shall be dropped from a height of 75cm
onto a 40mm think wooden board 1 times.
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. .
5/7
F: MEASUREMENT METHOD
+Vcc
+
VDC
-
BZ
Magnetic
Transducer
G: INSPECTION FIXTURE
Magnetic Transducer
40cm
10cm
Sound Level Meter TES1350A
6/7
280
H: PACKING
420
0
42
Packing
Dimension (mm)
Quantity (piece)
1 Tray
190 * 190 * 25
100 pcs
10 Tray
210 * 210 * 220
1,000 pcs
1 Carton
420 * 420 * 280
4,000 pcs
7/7
I:DRAWING
WST-1205S
Masking Label
MODEL NO.
Sound Emission
Hole Φ2.5
WST-1205S
-P ♁
CHK.
DR.
UNIT
SHEET
SCALE
mm
1/1
PART NO.
Potting
4
3
2
1
NO. DATE ECN. NO.
5
Tolerance: .0 ±0.5
.00 ±0.3
2-PTHΦ0.8mm
Silkscreen
Φ13mm
Note:
Recommended land pattern
MATERIAL PPO
DWG. NO.
Magnetic Transducer
FINISH
TITLE
Masking Label
APP.
REMOVE
SEAL
AFTER
WASHING
WST-P