LUGUANG SFU455

SFU455
Ceramics Filter
1. SCOPE
(范围)
This specification is applied to the ceramics filter used for AM receiver
.
(本规格书适用于 AM 收音机用陶瓷滤波器。
)
2. MODEL NAME
(产品名称)
Part Name
Customer’s Part Number
(型号)
Drawing No.
(客户型号)
( 图号)
GG-076
SFU460B
3. DIMENSIONS
(尺寸)
A
UNIT : MM
SFU
460B
B
D
C
A
7.0±0.3
B
C
9.0±0.3
5.5±1.0
D
1.0±0.1
E
0.8±0.1
F
2.5±0.2
G
0.15±0.03
H
3.3±0.3
(1). INPUT
E
F
F
(2).
GROUND
(3).
OUTPUT
G
H
(3) (2)
(1)
SFU455
Ceramics Filter
5. ELECTRICAL CHARACTERISTICS
(电气性能)
Item
Requirements
(项目)
5-1
5-2
5-3
5-4
(要求)
Center Frequency (fo)
(中心频率)
3 dB Bandwidth
(3dB 带宽)
10±3KHZ
Slecetivity
f0-9KHZ
6 dB min
(选择性)
f0+9KHZ
4 dB min
Insertion Loss
(插入损耗)
5-5
5-6
460±2.0KHZ
Passband Ripple
(带内波动)
Stop band attenuation
5.0 dB max
(at minimum loss point)
0 dB
9 dB min
(阻带)
5-7
Withstanding Voltage
DC 50V
(耐电压)
5-8
Temperature Coefficient
Of Center Frequency
(-20~+80℃)
5-9
input/output Impedance
(输入输出阻抗)
±1.5khz max
3.0
kΩ
Note:
1.
Center frequency shall be define as the center value of the band
at 3 dB.
2. temperature coefficient of center frequency is based on the center
frequency at 25℃.
SFU455
Ceramics Filter
4.TEST CIRCUIT
(测试电路)
Parts shall be measured under a condition (Temp.:3~35℃. Hum.:45~85%)
unless
any necessity to measure under a standard condition (Temp.:20 + 2℃.
Humi.:65 + 5%) is occurred.
(测量条件为温度 3-35℃,相对湿度 45~85%,必要时标准测量条件为温度 20 + 2℃,
相对湿度 65 + 5%)
R3
R1
●
Rg
(1)
(3)
R2
RF
Volt meter
(2)
S.
S. G
(1).
Input
●
●
R1=R2=3.0KΩ
Rg=R3=50Ω
(2).
Ground (3).
Output
SFU455
Ceramics Filter
6. PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS
(物理及环境特性)
Test Item
Condition of Test
(试验项目)
Requirements
(试验条件)
(要求)
6-1 Lead Strength Applied to vertical weight 1Kg along with
(引脚强度)
the direction of lead without any shock
Lead Pulling for 5-10sec.
No mechanical
damage and the
(引脚拉力)
(沿引线方向加 10 牛顿静载荷 5-10 秒.)
measured values
Lead Bending Filter lead shall be subjected to withstand shall meet Item
(引脚弯曲) against 90°bending its stem.This opration 5.
shall be done toward both diretion.
(无机械损伤,测量
(引脚折弯 90°,反方向同样。)
值足第 5 款要求.)
The solder shall
6-2 Solderability Dip the terminals of the filter no closer
(可焊性)
than 1.5mm into a soldering bath(230+5℃) be for coat at
least 95% of the
for 5+1 sec .
(refer to MIL-STD-202E-208C)
terminal surface
(端子至少 1.5mm 应浸没在(230+5℃)锡池内 5+1 秒。)(端子表面 95%被浸润)
6-3
Vibration
(振动)
Filter shall be measured after being
applied vibration as below
(在下面条件下振动后测试)
Vibration Freq: 10-55HZ
(振动频率)
Amplitude
(幅度)
Directions
(方向)
Time
(时间)
6-4
Random Drop
(任意跌落)
No visible damage
and the measured
value shall meet
table 1
: 1.5 mm
: 3 axial directions
(3 轴向)
: 1 hour/each direction
(无可见损伤且测量值
满足表1)
(1 小时/各方向)
Filter shall be measured after 3 times
random dropping from the height of 30cm.
concrete floor.
(3 次30cm高度跌落到水泥地板后测试)
6-5
Resistance to Filter immersing the terminals up to 1.5
Soldering Heat mm to filter’s body in soldering bath
(耐焊接热)
(350 +10℃) for 3 sec., filter shall be
measure after being placed in natural
condition for 1 hour.
(端子在(350+10℃)锡池内浸没到器件根部 1.5mm,,
时间 3 秒,自然条件放置 1 小时后测试。)
The measured
value shall meet
table 1.
(测量值满足表 1)
SFU455
Ceramics Filter
6. PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS(续上页)
(物理及环境特性)
Test Item
(试验项目)
after
6-7
Humidity
(湿度)
Condition of Test
(试验条件)
Requirements
(要求)
After being placed in a chamber (Humi,
:90-95% RH Temp.:40 + 2℃) for 100
hours filter shall be measured after
placed in natural condition for 1 hour
(相对湿度 90-95% 温度 40 + 2℃容器中放置 100 小时,
自然条件放置 1 小时后测试。)
6-8
Life Test
After being placed in a chamber 85+2℃
(High
for 100 hours ,filter shall be
temperature) measured after being placed in natural
condition for 1 hour.
(寿命试验)
(高温)
6-9
(温度 85+ 2℃容器中放置 100 小时,自然条件放置
1 小时后测试。)
Life Test
Placed in a chamber (Temp:-55+ 2℃) for
(Low
100 hours,filter shall be measured placed
temperature) in natural condition for 1 hour .
(寿命试验)
(低温)
(温度-55±2℃容器中放置 100 小时,自然条件放置 1
小时后测试。)
After temperature cycling of -55℃(30
66-10 Thermal Shock minutes ) to +85℃ ( 30 minutes ) was
(温度冲击)
performed 5 times with a transfer time15
min filter shall be measured after being
placed in natural condition for 1 hour.
(温度-55℃(30 分钟)至+85℃(30 分钟)循环 5 次,
15 分钟 1 次,自然条件放置 1 小时后测试。 )
The measured
value shall meet
Table 1.
(测量值应满足表 1)
SFU455
Ceramics Filter
6. PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS(续上页)
(物理及环境特性)
Table 1
(表 1)
Item
(项目)
※ Center Frequency
(中心频率)
※ 3 dB Bandwidth
(3dB 带宽)
※ Insertion Loss
(插入损耗)
Limit Value
(极限值)
+ 1.0 kHz
+
+
max
1.0 kHz max
5.0
dB max
※ Note: The limits in the above table are referenced to the initial
Measurements.(表中的限值参照初始测量值)
7. NOTICE
(注意)
7.1
Ceremic filter should be stored in storeroom .And the surrouding
atmosphere is acidless,alkali-free and no other harmful impurity.
7.2
7.3
(器件应贮藏在贮藏室,周围环境无酸、碱性腐蚀或其它有害气体.)
The package for ceramic filter should be avoid the hit by rain and
Snow,also the mechanical damage.
(包装应避免风雪、雨水的侵袭以及机械伤害。)
This specification limits the quality of the component as a single
unit .Please make sure that the component is evaluated and confirmed
the drawing When it is mounted to your product.
(本规格书只规定了部件本身的质量。应用于您的产品时。请确认图纸该部件是否等效.)