SBT203A-21 Datasheet, PDF (1/2 Pages) Frontier Electronics. – SMD BALUN TRANSFORMER

SBT203A-21 – SMD BALUN TRANSFORMER
Rev. A
A. Electrical Specifications: (Ta=25ºC, Zo = 75Ω, Pin = 0 dBm)
Spec Item
dB
Insertion Loss (Pin 1~6)
Insertion Loss (Pin 1~4)
Input Return Loss (Pin 1)
Amplitude Balance (Normal 0dB)
Phase Balance (Normal 180º)
0.7dB Max.
0.7dB Max.
15.0 dB Min.
± 0.30dB Max.
± 3.0º Max.
Frequency Range
5 ~ 85MHz.
5 ~ 85MHz.
5 ~ 85MHz.
5 ~ 85MHz.
5 ~ 85MHz.
B. Dimensions: mm (Inch)
Series
SBT203A-21
Tol.
a
5.5
(0.217)
±0.30
(0.01)
b
4.3
(0.170)
±0.30
(0.012)
c
1.5
(0.059)
±0.3
(0.012)
d
1.5
(0.059)
±0.3
(0.012)
e
3.2
(0.126)
±0.30
(0.012)
f
0.5
(0.020)
±0.20
(0.008)
g
0.8
(0.031)
Typ.
h
3.0
(0.118)
Typ.
i
6.2
(0.244)
Typ.
j
2.9
(0.114)
Typ.
C. Test Equivalent Circuit:
D. Features:
a. 2:1 Impedance ratio.
b. Surface mounts part.
c. Center tap on Secondary.
d. Suitable for DOCSIS 3.0.
e. RoHS compliant.
f. Tape and Reel packaging.
g. MSL: Level 1.
E. Characteristic Curve:
-0.35
-0.40
-0.45
-0.50
-0.55
-0.60
-0.65
0
10
20
30
40
50
60
70
80
90
freq, MHz
-0.35
-0.40
-0.45
-0.50
-0.55
-0.60
-0.65
-0.70
0
10
20
30
40
50
60
70
80
90
freq, MHz
-14
-16
-18
-20
-22
-24
-26
-28
-30
0
10
20
30
40
50
60
70
80
90
freq, MHz
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
0
10 20 30 40 50 60 70 80 90
freq, MHz
190
188
186
184
182
180
178
176
174
172
170
0
10
20
30
40
50
60
70
80
90
freq, MHz
Frontier Electronics Corp.^®
http://www.frontierusa.com
Page 1 of 2
667 E. Cochran St., Simi Valley, CA 93065
Phone: [phone], Fax: [phone]