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SPECIFICATION
PRODUCT: SAW FILTER
MODEL:
HF38903M
（G1962M）
SIP5K
HOPE MICROELECTRONICS CO.,LIMITED
Tel:+86-755-82973806
Fax:+86-755-82973550
E-mail:
sales@hoperf.com
http://www.hoperf.com
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1.Construction
1.1 Dimension and materials
Type : F38903M
1.2. Circuit construction, measurement circuit
2.Characteristics
Standard atmospheric conditions
Unless otherwise specified , the standard rang of atmospheric conditions for making
measurements and tests is as follows;
Ambient temperature : 15℃ to 35℃
Relative humidity
: 25% to 85%
Air pressure
: 86kPa to 106kPa
1
Operating temperature rang
Operating temperature rang is the rang of ambient temperatures in which the filter
can be
operated continuously. -10℃ ~ +60℃
Storage temperature rang
Storage temperature rang is the rang of ambient temperatures at which the filter can
be stored
without damage.
Conditions are as specified elsewhere in these specifications. -40℃ ~ +70℃
Reference temperature
+25℃
2.1 Maximum Rating
DC voltage
VDC
12
V
AC voltage
Vpp
10
V
2.2 Electrical Characteristics
Source impedance
Zs=50Ω
Load impedance
Z
L
=2kΩ//3pF
Items
Insertion attenuation
Reference level
Freq
37.40MHz
Min
14.8
4.4
0.8
17.9
40.0
40.0
42.0
40.0
40.0
35.0
35.0
typ
16.8
5.9
2.3
19.9
55.0
50.0
54.0
52.0
54.0
43.0
40.0
-72
Between any terminals
Between any terminals
T
A
=25℃
max
18.8
7.4
3.8
21.9
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Ppm/k
38.90MHz
34.47MHz
33.40MHz
30.90MHz
Relative attenuation
31.90MHz
32.40MHz
40.40MHz
41.40MHz
25.00~31.90MHz
Sidelobe
40.40~45.00MHz
Temperature coefficient
2.3 Environmental Performance Characteristics
Item Test condition
Allowable change of absolute
Level at center frequency(dB)
High temperature test
< 1.0
70℃ 1000H
Low temperature test
< 1.0
-40℃ 1000H
Humidity test
< 1.0
40℃ 90-95% 1000H
2
Thermal shock
-20℃==25℃==80℃ 20 cycle
30M
10M
30M
Solder temperature test
Sold temp.260℃ for 10 sec.
Soldering
Immerse the pins melt solder
at 260℃+5/-0℃ for 5 sec.
2.4 Mechanical Test
Item
Test condition
Vibration test
600-3300rpm amplitude 1.5mm
3 directions 2 H each
Drop test
On maple plate from 1 m high 3 times
Lead pull test
Pull with 1 kg force for 30 seconds
Lead bend test
90
o
bending with 500g weigh 2 times
2.5 Voltage Discharge Test
Item
Test condition
Surge test
Between any two electrode
< 1.0
< 1.0
More then 95% of total
area of the pins should
be covered with solder
Allowable change of absolute
Level at center frequency(dB)
<1.0
<1.0
<1.0
<1.0
Allowable change of absolute
Level at center frequency(dB)
<1.0
3
2.6 Frequency response：
4
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