Surface Acoustic Wave (SAW) Filters
400MHz Band SAW Filters for Low Power Radio Communications
SF3030B428M00T04MA00/ SF3030B428M00T04MB00
Features
• RF filter for transmitter and receiver
• For low power radio communications
• Miniature size and light weight
How to Order
SF 3030 B 428M00 T 04M A00
①
②
③
④
⑤ ⑥
⑦
①
Type of Product (SAW Filter)
②
Package Size (3.0×3.0mm)
③
Sealing Type (Seam Weld Type)
④
Nominal Frequency (428.00MHz)
⑤
Material (LiTaO
3
)
⑥
Pass Bandwidth (4MHz)
⑦
Customer Special Model Suffix (STD)
New Part Number
Old Part Number
SF3030B428M00T04MA00 TSFB58-428-004M0
—
SF3030B428M00T04MB00
Packaging (Tape & Reel 1000 pcs./ reel)
Standard Frequency
• 428.00MHz
RoHS Compliant
Specifications
Type
Item
Nominal Frequency (fo)
Operating Temperature Range
Storage Temperature Range
Passband Width
Passband Ripple
Insertion loss
Unit
MHz
°C
°C
MHz
dB
dB
SF3030B428M00T04MA00
Condition
—
—
—
SF3030B428M00T04MB00
Condition
—
—
—
—
Specifications
428.000
-40
to
+85
-40
to
+85
fo±2 min.
1.5 max.
3.0 max. (-40 to
+85°C)
50 min.
—
—
—
—
Specifications
428.000
-40
to
+85
-40
to
+85
—
3dB Band
fo±2MHz
fo±2MHz Maximum Loss
383 to 389MHz
—
fo±2MHz
—
1.0 max.
1.5 max.
—
2.8 max. (-20 to
+70°C)
fo±2MHz Maximum Loss
70MHz
140MHz
210MHz
856MHz
1284MHz
—
45 min.
37 min.
33 min.
24 min.
20 min.
50 typ.
Attenuation
(from through leve)
dB
—
—
—
Terminating Impedance
Ω
—
50 typ.
Dimensions
3.0±0.1
6
5
4
(Unit: mm)
Recommended Land Pattern
6
5
4
1.00
(Unit: mm)
SF3030B428M00T04MA00
3.0±0.1
1
2
3
1.2 max.
1
2
0.7
1.20×2
3
0.6
1
1.5
2
3
Test Circuit
0.5
6
0.75
5
0.6
4
Single
Input
2
Output
5
others Ground
:
2
5
4
50Ω
50Ω
3
∼
Volt meter
Connection
1
6
SSG
0.20
K128
428
0.65
1.75
1.40
K128
428