MINI ZFBT

Coaxial
Bias-Tee
50Ω
Wideband
ZFBT-4R2G+
10 to 4200 MHz
Maximum Ratings
Features
Operating Temperature
-55°C to 100°C
Storage Temperature
-55°C to 100°C
RF Power
30 dBm max.
Voltage at DC port
30 V max.
Input Current
500 mA
DC resistance from DC to RF&DC port
4.5 ohm typ.
Coaxial Connections
RF
1 (SMA female)
RF&DC
2 (SMA male)
DC
• wideband, 10 to 4200 MHz
• low insertion loss, 0.6 dB typ.
• good isolation, 40 dB typ.
Applications
Price
$59.95
$2.50
Qty.
(1-9)
(1+)
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
• biasing amplifiers
• biasing of laser diodes
• biasing of active antennas
• DC return
• DC blocking
• test accessory
The +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
Bias-Tee Electrical Specifications
3 (SMA female)
FREQUENCY
(MHz)
Outline Drawing
CASE STYLE: K18
Connectors Model
SMA
ZFBT-4R2G+
BRACKET (OPTION “B”)
INSERTION LOSS*
(dB)
ISOLATION* (dB)
(RF port to DC port)
(RF&DC port to DC port)
VSWR**
(:1)
L
M
U
L
M
U
L
M
U
fL
fU
Typ. Max.
Typ. Max.
Typ. Max.
Typ. Min.
Typ. Min.
Typ. Min.
Typ. Max.
Typ. Max.
Typ. Max.
10
4200
0.15 0.6
0.6
0.6
1.06 1.2
1.13 1.3
1.13 1.3
1.2
1.6
32
20
40
20
50
20
M= mid range (10 fL to fU/2)
U= upper range (fU/2 to fU)
L= low range (fL to 10 fL)
* Insertion Loss and Isolation are guaranteed up to 20 dBm-RF power and 200mA DC current.
**VSWR measured with open and short at DC port.
Typical Performance Data
Freq.
(MHz)
Outline Dimensions ( inch
mm )
A
1.25
31.75
B
1.25
31.75
C
.75
19.05
D
.63
16.00
E
.38
9.65
F
1.00
25.40
G
.125
3.18
H
1.000
25.40
J
---
K
---
L
.125
3.18
M
1.688
42.88
N
2.18
55.37
P
.75
19.05
Q
wt
.07 grams
1.78
70.0
Pin
(dBm)
INSERTION LOSS (dB)
with Current
0mA
20mA
50mA
ISOLATION (dB)
(Pin= -10dBm) with current
100mA 150mA 200mA
10mA
20mA
50mA
VSWR
(:1)
100mA 150mA 200mA
0.10
0.27
0.53
1.06
10.00
19.80
19.80
19.80
19.80
18.50
0.17
0.13
0.12
0.13
0.16
0.17
0.13
0.12
0.13
0.17
0.16
0.13
0.12
0.12
0.17
0.17
0.14
0.11
0.11
0.16
0.20
0.14
0.11
0.12
0.16
0.24
0.15
0.11
0.12
0.16
19.46
25.86
29.17
30.81
30.06
19.04
25.53
28.98
30.74
30.07
17.83
24.52
28.36
30.56
30.07
14.58
21.43
26.18
29.62
30.20
12.66
19.31
24.40
28.62
30.38
11.75
18.16
23.37
27.92
30.56
1.16
1.07
1.04
1.02
1.04
114.75
324.25
743.25
952.75
1581.25
19.50
19.70
18.70
18.20
18.00
0.22
0.50
0.28
0.31
0.46
0.25
0.55
0.31
0.33
0.48
0.24
0.53
0.30
0.33
0.47
0.22
0.52
0.29
0.31
0.46
0.22
0.53
0.29
0.32
0.48
0.22
0.56
0.29
0.33
0.49
34.45
44.65
51.19
40.75
42.58
34.49
44.61
50.50
40.80
42.59
34.27
44.25
50.16
40.97
43.94
33.99
43.90
50.65
40.97
43.77
33.83
43.91
51.69
40.93
44.36
33.59
43.34
52.47
40.95
44.17
1.07
1.06
1.06
1.11
1.13
2000.25
2524.00
3047.75
3676.25
4200.00
17.10
14.40
14.20
15.10
17.90
0.46
0.40
0.45
0.73
1.04
0.48
0.42
0.48
0.74
1.07
0.47
0.41
0.47
0.75
1.07
0.46
0.42
0.46
0.75
1.06
0.46
0.43
0.46
0.75
1.05
0.47
0.44
0.49
0.75
1.06
45.46
53.15
52.46
46.32
28.42
45.57
53.72
52.25
47.19
28.36
45.73
52.19
51.55
46.36
28.24
45.48
53.17
51.33
45.53
28.14
46.14
52.67
51.46
46.19
28.01
45.28
53.67
50.99
45.65
27.92
1.12
1.12
1.09
1.07
1.09
4502.50
4802.00
5251.75
5550.75
6000.00
-0.60
-0.70
-1.10
-2.00
-2.40
1.17
1.26
1.19
1.65
1.70
1.19
1.26
1.17
1.63
1.71
1.18
1.27
1.16
1.60
1.65
1.19
1.25
1.13
1.56
1.59
1.17
1.22
1.11
1.54
1.54
1.16
1.20
1.09
1.51
1.50
28.15
37.95
49.68
38.44
34.37
28.10
38.01
51.04
38.56
34.36
28.05
38.19
49.12
38.36
34.23
27.96
37.93
49.37
38.07
34.40
27.84
37.58
49.13
37.85
34.49
27.87
37.51
48.19
38.19
34.48
1.14
1.12
1.11
1.10
1.12
Electrical Schematic
®
Mini-Circuits
EW
ALL N
minicircuits.com
ISO 9001 ISO 14001 CERTIFIED
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 For detailed performance specs & shopping online see Mini-Circuits web site
The Design Engineers Search Engine Provides ACTUAL Data Instantly From MINI-CIRCUITS At: www.minicircuits.com
RF/IF MICROWAVE COMPONENTS
REV. B
M108294
ZFBT-4R2G+
DJ/RS/CP
080220
Page 1 of 2
ZFBT-4R2G+
Performance Charts
ZFBT-4R2G+
INSERTION LOSS WITH CURRENT
ZFBT-4R2G+
ISOLATION WITH CURRENT
60
0mA
100mA
200mA
1.6
ISOLATION (dB)
INSERTION LOSS (dB)
2.0
1.2
0.8
50
40
30
20
0.4
10mA
100mA
200mA
10
0.0
0
1000
2000
3000
4000
FREQUENCY (MHz)
5000
6000
5000
6000
0
1000
2000
3000
4000
FREQUENCY (MHz)
5000
6000
ZFBT-4R2G+
VSWR
1.20
VSWR
1.16
1.12
1.08
1.04
1.00
0
1000
2000
3000
4000
FREQUENCY (MHz)
®
Mini-Circuits
EW
ALL N
minicircuits.com
ISO 9001 ISO 14001 CERTIFIED
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 For detailed performance specs & shopping online see Mini-Circuits web site
The Design Engineers Search Engine Provides ACTUAL Data Instantly From MINI-CIRCUITS At: www.minicircuits.com
RF/IF MICROWAVE COMPONENTS
Page 2 of 2