• SY 9223-7637-4 – Symmetrical transformer balun

• SY 9223-100 – unsymm. Balun

• SY 9223-120B – unsymm. Balun

• SY 9223-135 – unsymm. Balun

• SY 9223-150 – unsymm. Balun

• SY 9501 – unsymm. Balun

• SY 9223-17-100 – Broadband transformer

• SY 9223-17-0.1 – Braodband transformer

• SY 9223-120 – Balun for IEC61643-21

• SY 9223-CISPR 13 – Broadband isolation transformer

• SY 9223-PLC – PLC Balun

• SY 9223 Profibus – PLC balun

 

SY 9223 Profibus Balun 

The SY 9223 Profibus balun adapts a symmetrical signal to a coaxial line. Usually twisted pairs with an impedance of approx. 120 Ω are used to transmit the Profibus signals. The SY 9223 Profibus can be applied to use an existing triaxial wiring.

 

Frequency Range:	DC ->20 MHz
Nominal Impedance:	120 Ω -> 50 Ω
Dielectric strength:	≥100 V
Max. current per conductor:	500 mA
Coaxial connector:	BNT-50-0-1
Symmetrical connector:	Screw terminal
Housing material:	polycarbonate
Housing dimensions:	17.5 x 58 x 90 mm
Fastening:	DIN support rail 35 mm
Weight:	53 g

 

 Schwarzbeck SY 9223 Profibus Baluns Data Sheet

 

SY 9223-7637-4 

SY 9223-7637-4 is a symmetrical transformer (balun, balance-to-unbalance transformer). It transforms an unsymmetrical RF signal into a symmetrical one while not transforming the impedance. It has low insertion loss, a wide range of bandwidth and can dissipate a big amount of power.

 

Frequency range:	100 kHz … 30 MHz
Useable frequency range:	9 kHz … 50 MHz
Impedanz:	50 Ω nominal
Continuouse power dissipation:	100 W
Impedance ratio:	1:1
Return loss:	>20 dB @ 30 Mhz
Operating voltage:	750 Vrms @ 60 Hz
Insertion loss:	<0.2 dB
Amplitude unbalance:	<0.5 dB
Common mode rejection:	>40 dB @ 1 MHz
Connector symmetric:	4 mm safety laboratory jack
Connector unsymmetric:	N-jack, 50 Ω
Length:	140 mm
Width:	105 mm
Height:	50 mm
Weight:	ca. 0.5 kg

 

 Data Sheet SY 9223-7637-4

 

SY 9223-100

· Balun unsymmetry 50 Ohm to symmetry 100 Ohm

· Input impedance: 50 Ohm unsymmetrical

· Input connector: BNC

· Output impedance: 100 Ohm symmetrical

· Output connectors: RJ45 Pin 4+5 and 4 mm banana female

· Frequency range: 9 kHz – 60 MHz

 

 Data Sheet SY9223-100

 

SY 9223-120B 

· Balun unsymmetrical 50 Ohm to symmetry 120 Ohm

· Input impedance: 50 Ohm unsymmetrical

· Input connector: BNC

· Output impedance: 120 Ohm symmetrical

· Output connectors: RJ45 Pin 4+5 and 4 mm banana female

· Frequency range: 9 kHz – 60 MHz

 

 Data Sheet SY9223-120B

 

SY 9223-135 

· Balun unsymmetrical 50 Ohm to symmetrical 135 Ohm

· Input impedance: 50 Ohm unsymmetrical

· Input connector: BNC

· Output impedance: 135 Ohm symmetrical

· Output connectors: RJ45 Pin 4+5 and 4 mm banana female

· Frequency range: 9 kHz – 60 MHz

 

 Data Sheet SY9223-135

 

SY 9223-150 

· Balun unsymmetrical 50 Ohm to symmetrical 150 Ohm

· Input impedance: 50 Ohm unsymmetrical

· Input connector: BNC

· Output impedance: 150 Ohm symmetrical

· Output connectors: RJ45 Pin 4+5 and 4 mm banana female

· Frequency range: 9 kHz – 60 MHz

 

 Data Sheet SY9223-100

 

SY 9501 

· Balun unsymmetrical

· 50 Ohm to symmetrical

· 150 Ohm EN 55015 CISPR 15

 

 Data Sheet SY 9501

 

SY 9223-17-100 

· Broadband transformer 1:1,4 or 50 Ohm : 100 Ohm

respectively according to to CISPR 17 for filter measurements.

· 100 Ohm-side with banana jacks.

· 50 Ohm-side with BNC-jacks.

 

 Data Sheet SY 9223-17-100

 

 

SY 9223-17-0.1 

· Broadband transformer 22:1 or 50 Ohm : 0.1 Ohm

respectively according to to CISPR 17 for filter measurements.

· 50 Ohm-side with BNC-jacks, 0.1 Ohm-side with banana jacks.

 

 Data Sheet SY 9223-17-0.1

 

 

SY 9223-120 

· Balun for transmission measurements

· according to to IEC61643-21

· 50 Ohm N to 120 Ohm screw terminals

 

 Data Sheet SY 9223-120

 

SY 9223-CISPR 13 

· Broad band isolation transformer

· according to CISPR 13 fig. A.2

· 50 Ohm 75 Ohm

 

 Data Sheet SY 9223-CISPR 13

 

SY 9223-PLC 

· 1:1 PLC balun

according to to EN 50065-2-1 2003 + A1:2005 for Immunity against small band disturbance voltage

· 3 kHz – 30 MHz

· BNC and banana jacks

· Option 2 µF + 50 Ohm: 2 µF + 50 Ohm, in isolated housing, banana jacks

 

 Data Sheet SY 9223-PLC