B39451B3558U310 EPCOS Inc, B39451B3558U310 Datasheet - Page 4

• Manufacturer Part Number: B39451B3558U310
• Description: FILTER SAW 449.14MHZ REMOTE SMD
• Manufacturer: EPCOS Inc

Specifications of B39451B3558U310

• Insertion Loss: 2.2dB
• Frequency: 449.14MHz Center
• Filter Type: Bandpass
• Applications: Remote Control
• Package / Case: 0.197" L x 0.197" W x 0.053" H (5.00mm x 5.00mm x 1.35mm)
• Mounting Type: Surface Mount
• Saw Filter Type: Low-Loss Filter
• Center Frequency: 449.14MHz
• Pass Band Ripple (db): 6dB
• Termination Impedance: 50Ohm
• Package Type: QCC8C
• Case Height: 1.35mm
• Case Length: 5mm
• Case Depth: 5mm
• Mounting: Surface Mount
• Pin Count: 8
• Operating Temp Range: -30C to 85C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Bandwidth: -
• Lead Free Status / Rohs Status: Details
• Other names: 495-2360-2

Data Sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
Center frequency
(center frequency between 3 dB points)
Minimum insertion attenuation
Pass band (relative to
Relative attenuation (relative to
Impedance for pass band matching
2)
source- and to load impedance (here 50 Ohm). After the SAW filter is removed and input imped-
ance into the input matching / output matching network is calculated.
The conjugate complex value of these characteristic impedances are the input and output imped-
ances for flat passband. For more details, we refer to EPCOS application note #4.
SAW Components
Low-loss Filter
Impedance for passband matching bases on an ideal, perfect matching of the SAW filter to
Input:
Output: Z
449,00 ... 449,28 MHz
448,965 ... 449,235 MHz
448,930 ... 449,270 MHz
428,00 ... 439,00 MHz
439,00 ... 448,02 MHz
450,10 ... 459,00 MHz
459,00 ... 550,00 MHz
550,00 ... 1000,00 MHz
min
Z
10,00 ... 428,00 MHz
IN
OUT
)
= R
= R
min
IN
OUT
2)
)
|| C
|| C
IN
OUT
T
Z
Z
A
S
L
4
= –30 ... 85 ˚C
= 50
= 50
f
C
min
rel
May 09, 2001
and matching network
and matching network
min.
45
40
15
15
40
45
—
—
—
—
—
—
210 || 2,70
210 || 2,70
449,10
typ.
2,2
0,5
1,5
50
45
25
25
45
50
max.
3,4
3,0
6,0
—
—
—
—
—
—
—
—
—
449,10 MHz
B3558
MHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
|| pF
|| pF