Microwave Components/Modules > Microchip Transformer (Balun) > Wire Wound Type
1
Data Sheet
Microchip Transformer (Balun) Wire Wound Type
DXW21B Series (0805 Size)
Dimensions
Equivalent Circuit
c
c
Unbalanced
(1)
Balanced 1
(2)
(3)
2.0 0.2
1.2 0.2
(1)
(2)
(4)
Balanced 2
(1)
: Unbalance port
(2) (3) : Balance port
No polarity.
(4)
: GND
(4)
(3)
: Electrode
(0.45)
(in mm)
(0.45)
Packaging
Code
c
c
Packaging
Minimum Quantity
L
K
B
180mm Embossed Tape
330mm Embossed Tape
Bulk(Bag)
2000
10000
500
Rated Value ( : packaging code)
p
Insertion Loss
at Freq. Range (max.) at Freq. Range (min.)
CMRR
Part Number
DXW21BN7511S
Frequency Range Port Impedance
Rated Power Operating Temperature Range
p
p
1 to 1.5GHz
75 ohm - 75 ohm
75 ohm - 75 ohm
1.4dB
1.0dB
20dB
20dB
27dBm
27dBm
-40 to +85°C
-40 to +85°C
DXW21BN7511T
50 to 870MHz
Only for reflow soldering.
Insertion Loss Characteristics
CMRR Characteristics
c
c
DXW21BN7511S
DXW21BN7511S
0
-0.5
-1
45
40
35
30
25
20
-1.5
-2
-2.5
-3
1000
1200
1400
1600
1800
2000
1000
1200
1400
1600
1800
2000
Frequency (MHz)
Frequency (MHz)
Continued on the following page.
oThis data sheet is applied for Micro Chip Transformer used for General Electronics equipment for your design.
Note:
!
1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our
products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering.
2. This datasheet has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product
specifications or transact the approval sheet for product specifications before ordering.
2011.11.2
http://www.murata.com/