High Frequency Ceramic Solutions
P/N 2450BM08B0003
2.45GHz Impedance Matched Balun + Band Pass Filter: Optimized for Nordic's Chipset nRF51822-CEAA,
nRF51822-CDAB, nRF51822-CFAC, nRF51422-CEAA, nRF51422-CDAB, nRF51422-CFAC
Detail Specification: 7/29/2015
Page 1 of 4
General Specifications
2450BM08B0003
Part Number
2400 - 2500
50 Ω
Frequency (MHz)
Unbalanced Impedance
Balanced Differential Impedance
Conjugate match to:
nRF51822-CEAA, nRF51822-CDAB,
nRF51822-CFAC, nRF51422-CEAA,
nRF51422-CDAB, nRF51422-CFAC
Average Insertion Loss when connected
to the nRF51XX chipset (Active OP)
1dB Typ @25C, 1.5dB max. (-40 to
+85C), 2.4dB max (+85 to +105C)
Insertion Loss when component
measured by itself (passive insertion
loss)
1.88dB Typ. @25C, 3.65dB @105C
14 Typ./9.5 min.
Attenuation Differential mode (dB):
24 typ. /15dB min. @ 800-928 MHz
20 typ. / 10dB min. @ 1000-1200 MHz
36 typ. / 14dB min. @ 4800-5000 MHz
25 typ. / 15dB min. @ 7200-7500 MHz
180° ± 10
Phase Difference (deg.)
Return Loss (dB)
180° ± 10
2.0 max.
4,000
-40 ~ +105°C
-40 ~ +85°C
Phase Difference (deg.)
Amplitude Difference
Qty/Reel (pcs)
Operating Temp. Range
Storage Temp. Range
+5 ~ +35 °C, Humidity 4575%RH, 18 months max
on vacuum package, 1
Recommended Storage
Conditions of Product on
T&R
week max after opened1
18 months max.
2W max (CW)
Storage Period
Power Capacity
You can download layout files, schematics, output power measured results (App Note AN030), and s-parameters at: http://www.johansontechnology.com/nordic
Part Number Explanation
Packaging Style
P/N Suffix
Termination Style
1
Bulk
Suffix = S
E.g.. 2450BM08B0003S
T&R
Suffix = T
E.g.. 2450BM08B0003T
AgPt1
Suffix = None
E.g.. 2450BM08B0003(T or S)
Silver Pad component. Vacuum package required. For handling info go to: www.johansontechnology.com/silverleads
Mechanical Dimensions
Terminal Configuration
Millimeter
No
Function
No
Function
L
0.055 ± 0.006
1.40 ± 0.15
1
Unbalanced Port
4
Balanced Port
W
0.039 ± 0.006
1.00 ± 0.15
2
DC Feed
5
GND
3
Balanced Port
Inches
T
0.027 max.
0.69 max.
a
0.009 +/- 0.002
0.22 +/- 0.05
b
0.004 +/- 0.002 0.0975 +/- 0.05
c
0.011 +/- 0.002
0.28 +/- 0.05
d
0.007 +/- 0.002
0.18 +/- 0.05
W
L
c
b a c
a
d
W
T
T
L
W
L
Johanson Technology, Inc. reserves the right to make design changes without notice.
All sales are subject to Johanson Technology, Inc. terms and conditions.
www.johansontechnology.com
4001 Calle Tecate • Camarillo, CA 93012, USA • TEL +1.805.389.1166
Ver 1.3
2015 Johanson Technology, Inc. All Rights Reserved
High Frequency Ceramic Solutions
2.45GHz Impedance Matched Balun + Band Pass Filter: Optimized for Nordic's Chipset nRF5188-CEAA,
nRF5188-CDAB, nRF5188-CDAB, nRF51422-CEAA, nRF51422-CDAB, nRF51422-CFAC
P/N 2450BM08B0003
Detail Specification: 7/29/2015
Page 2 of 4
Mounting Considerations
*Line width should be designed to match 50Ω
characteristic impedance, depending on PCB materia
and thickness.
Land
*
NordicSemi
Chipset
nRF51822‐CXAX
nRF51422‐CXAX
Through-hole ( 0.3)
Download the gerber files at:
www.johansontechnology.com/nordic
Would you like us to review your layout for free? Please go to
this link to contact our RF team:
http://www.johansontechnology.com/ask‐a‐question select
"Applications Engineering" on the drop down
If you need 2.45GHz mini‐antennas to go with your compact design, go to: http://johansontechnology.com/antennas
Measuring Diagram
Port 2*
Network
Analyzer**
Port 1
Port 1:Unbalanced Port
Ports 2 and 3: Balanced Port
IL=Sds21
RL=Sss11
Amp_balance = dB(S(2,1)/S(3,1))
Phase_balance = Phase(S(2,1)/S(3,1))
Port 3*
4.7nH
*Impedance for ports 2 and 3
= Conjugate to Balanced Impedance/2
**E5071C from Agilent
2.2nF
You can download layout files, schematics, output power measured results (App Note AN030), and s-parameters at:
http://johansontechnology.com/nordic
Johanson Technology, Inc. reserves the right to make design changes without notice.
All sales are subject to Johanson Technology, Inc. terms and conditions.
www.johansontechnology.com
4001 Calle Tecate • Camarillo, CA 93012, USA • TEL +1.805.389.1166
Ver 1.3
2015 Johanson Technology, Inc. All Rights Reserved
High Frequency Ceramic Solutions
2.45GHz Impedance Matched Balun + Band Pass Filter: Optimized for Nordic's Chipset nRF5188-CEAA,
nRF5188-CDAB, nRF5188-CDAB, nRF51422-CEAA, nRF51422-CDAB, nRF51422-CFAC
P/N 2450BM08B0003
Detail Specification: 7/29/2015
Page 3 of 4
Typical Electrical Characteristics (T=25°C)
Insertion and Return Loss
0
Sss11
Sdd22
Sds21
-10
-20
-30
-40
-50
0
1
2
3
4
5
6
7
8
9
freq, GHz
2
200
1
100
0
0
-1
-100
-2
-200
2.3
2.4
2.5
Phase_bal_deg
Amp_bal_dB
Amplitude and Phase Balance
2.6
freq, GHz
Johanson Technology, Inc. reserves the right to make design changes without notice.
All sales are subject to Johanson Technology, Inc. terms and conditions.
www.johansontechnology.com
4001 Calle Tecate • Camarillo, CA 93012, USA • TEL +1.805.389.1166
Ver 1.3 2015 Johanson Technology, Inc. All Rights Reserved
High Frequency Ceramic Solutions
2.45GHz Impedance Matched Balun + Band Pass Filter: Optimized for Nordic's Chipset nRF5188-CEAA,
nRF5188-CDAB, nRF5188-CDAB, nRF51422-CEAA, nRF51422-CDAB, nRF51422-CFAC
P/N 2450BM08B0003
Detail Specification: 7/29/2015
Page 4 of 4
Application Notes, Layout Files, and more
http://johansontechnology.com/nordic
Packaging information
www.johansontechnology.com/ipcpackaging.html
Soldering Information
www.johansontechnology.com/ipcsoldering-profile
MSL Info
www.johansontechnology.com/technical-notes/msl-rating.html
Recommended Storage Condition and Max Shelf Life
www.johansontechnology.com/ipcstorage-shelflife
RoHS Compliance
www.johansontechnology.com/technical-notes/rohs-compliance.html
Antenna layout and tuning techniques
www.johansontechnology.com/tuning
Antenna layout review, tuning, and characterization services
www.johansontechnology.com/ipcantennaservices
In-Application Image
Johanson Technology, Inc. reserves the right to make design changes without notice.
All sales are subject to Johanson Technology, Inc. terms and conditions.
www.johansontechnology.com
4001 Calle Tecate • Camarillo, CA 93012, USA • TEL +1.805.389.1166
Ver 1.3
2015 Johanson Technology, Inc. All Rights Reserved