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  • Ideal for wideband and RF instrumentation applications
  • Can be used for Impedance Matching, Signal Isolation and Balance to Unbalanced conversion
R3647 Series Wideband Transformers
Dimensional Drawing for R3647 Series Wideband Transformers
Unit of Measure
Items R3647 Series Wideband Transformers
R3647-1-1L
4 to 600 Megahertz (MHz) Typical Bandwidth R3647 Series Wideband Transformer
R3647 Series Wideband Transformers
R3647-1-1TL
3.5 to 750 Megahertz (MHz) Typical Bandwidth R3647 Series Wideband Transformer
R3647 Series Wideband Transformers
R3647-2-1TL
4 to 500 Megahertz (MHz) Typical Bandwidth R3647 Series Wideband Transformer
R3647 Series Wideband Transformers
R3647-3-1TL
4 to 900 Megahertz (MHz) Typical Bandwidth R3647 Series Wideband Transformer
R3647 Series Wideband Transformers
R3647-4-1TL
3.2 to 750 Megahertz (MHz) Typical Bandwidth R3647 Series Wideband Transformer
Secondary/Primary Impedance Ratio (±10%) N/A 1 : 1 N/A 1 : 1 N/A 1 : 2 N/A 1 : 3 N/A 1 : 4
Bandwidth N/A 1 to 1200 MHz
Typical Bandwidth N/A 4 to 600 MHz N/A 3.5 to 750 MHz N/A 4 to 500 MHz N/A 4 to 900 MHz N/A 3.2 to 750 MHz
Typical Insertion Loss N/A 0.40 dB N/A 0.58 dB N/A 0.50 dB N/A 0.60 dB N/A 1.00 dB
Minimum Primary OCL (4-6) N/A 10.0 µH N/A 11.0 µH N/A 10.0 µH N/A 9.0 µH N/A 12.0 µH
Maximum Primary Direct Current Resistance (DCR) (4-6) N/A 0.120 Ohm N/A 0.075 Ohm N/A 0.120 Ohm N/A 0.100 Ohm N/A 0.055 Ohm
Minimum Secondary OCL (1-3) N/A 10.0 µH N/A 11.0 µH N/A 20.0 µH N/A 27.0 µH N/A 48.0 µH
Maximum Secondary Direct Current Resistance (DCR) (1-3) N/A 0.120 Ohm N/A 0.075 Ohm N/A 0.150 Ohm N/A 0.150 Ohm N/A 0.120 Ohm
Industry Standards / Certifications N/A RoHS Compliant
Standard Operating Temperature Range N/A -40 to +85 ºC
Available Design N/A custom
Note N/A Product performance is limited to specified parameters. Data is subject to change without prior notice.

Dimensions
Unless otherwise specified, all tolerances are:
inch: .XX : ±0.015 .XXX : ±0.004
mm: X.X : ±0.38 X.XX : ±0.10