Document
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B4F Balun Transformers for Surface Mounting B5FL
TYPE
Meeting Your Needs
TYPE B4F: Surface Mount
B4F
TYPE B5FL: Surface Mount
B5FL
Unit: mm
Unit: mm
Features
• Pair wire coil for high stability. • Base pin terminal treated, allowing mounting ‘as is’ on a PCB. www.DataSheet4U.com
Applications
• Double balance mixers, broad-band transformers, impedance transformers, etc.
STANDARD TRANSFORMERS SELECTION GUIDE TYPE B4F
Operating TOKO Number Frequency Part of Turns Range Number per Winding (MHz) Double Balanced Mixer 617DB-1007 2 617DB-1009 3 617DB-1006 3 617DB-1010 4 617DB-1018 5 Frequency Mixer 617PT-1025 1 617PT-1019 2 617PT-1026 3 Balun Transformer 617DB-1021 11/2 617DB-1022 21/2 617DB-1023 31/2 617DB-1024 41/2 Distributor 617DS-1079 617DS-1076 2 3 25~2000 6~2000 150~2300 3.5~2000 2~2000 — 8~750 3.5~700 20~750 4.5~3300 2.3~2700 1.5~2400 1300~1700 800~1000 Insertion Loss (dB) 3 3 3 3 3 Fig.
TYPE B5FL
Operating TOKO Number Frequency Part of Turns Range Number per Winding (MHz) Double Balanced Mixer 616DB-1003 2 616DB-1004 3 616DB-1007 4 616DB-1008 5 Frequency Mixer 616PT-1027 616PT-1028 616PT-1029 616PT-1030 616PT-1037 616PT-1038 616PT-1039 616PT-1040 1 2 3 4 1 2 3 4 30~850 6.5~1000 3.5~1600 2.5~1500 — 8~550 3.5~500 2~370 — 500~850 240~500 85~380 5.5~850 2.5~2000 1.2~1700 0.8~1400 0.6~1300 160~2200 55~1700 30~1400 Insertion Loss (dB) 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 Fig.
1 1 1 1 1 2 2 2 3 3 3 3
1 1 1 1 2 2 2 2 2 2 2 2 3 3 3 3 3 4 4 4
3 3 3 3 3 3
IN to OUT-1,2 5 4.5dB max. IN to OUT-2 (ISOLATION) 5 15dB min.
Balun Transformer 616DB-1048 11/2 616DB-1049 21/2 616DB-1050 31/2 616DB-1051 41/2 616DB-1078 51/2 Balun Transformer 616DB-1053 11/2 616DB-1017 21/2 616DB-1054 31/2
Pin Connections
1.800.PIK.TOKO
www.tokoam.com
1.847.297.0070
R-LOG0402A
.