Document
Document 194-1
SurfaceMountWidebandRF Transformers
• Tapped and untapped versions • 400 V interwinding isolation, 1/4 Watt RF input power • 250 mA max current rating.
Typical Frequency Response
Part number
TTWB-1-AL_ TTWB-1.5-AL_ TTWB-2-AL_ TTWB-4-AL_ TTWB-16-AL_ TTWB1010L_ TTWB1010-1L_ TTWB1015L_ TTWB1040L_
TTWB-1-BL_ TTWB-1.5-BL_ TTWB-2-BL_ TTWB-4-BL_ TTWB-16-BL_ TTWB2010L_ TTWB2010-1L_ TTWB2040L_
TTWB-1-CL_ TTWB-1.5-CL_ TTWB-2-CL_ TTWB-4-CL_ TTWB3010L_ TTWB3010-1L_ TTWB3015L_ TTWB3040L_
3 dB (MHz)
0.08 - 450 0.03 - 300 0.05 - 200 0.15 - 500 0.05 - 80 0.0035 - 125 0.03 - 250 0.07 - 225 0.15 - 400
0.13 - 425 0.50 - 250 0.20 - 400 0.14 - 700 0.075 - 90 0.0035 - 125 0.03 - 250 0.15 - 400
0.10 - 300 0.15 - 200 0.13 - 285 0.14 - 500 0.0035 - 125 0.03 - 250 0.07 - 225 0.15 - 400
2 dB (MHz)
0.13 - 325 0.035 - 250 0.06 - 160 0.24 - 300 0.06 - 75 0.0045 - 100 0.04 - 225 0.10 - 200 0.25 - 350
0.18 - 325 0.80 - 175 0.225 - 275 0.20 - 400 0.11 - 75 0.0045 - 100 0.04 - 225 0.25 - 350
0.13 - 200 0.225 - 150 0.20 - 175 0.20 - 230 0.0045 - 100 0.04 - 225 0.10 - 200 0.25 - 350
1 dB (MHz)
0.30 - 190 0.06 - 150 0.10 - 100 0.60 - 140 0.11 - 30 0.007 - 80 0.06 - 200 0.20 - 125 0.80 - 250
0.32 - 190 1.50 - 120 0.50 - 150 0.40 - 150 0.20 - 65 0.007 - 80 0.06 - 200 0.80 - 250
0.20 -150 0.35 - 100 0.325 - 125 0.40 - 110 0.007 - 80 0.06 - 200 0.20 - 125 0.80 - 250
Designer’s Kit C329 contains three of each part
Core material Ferrite
Terminations RoHS compliant tin-silver-copper over silverplatinum-glass frit. Other terminations available at additional cost.
Weight 0.37 – 0.43 g
Ambient temperature –40°C to +85°C
Storage temperature Component: –40°C to +85°C. Packaging: –40°C to +80°C
Resistance to soldering heat Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C / 85% relative humidity)
Mean Time Between Failures (MTBF) 16,666,667 hours Packaging 1000 per 13″ reel; Plastic tape: 16 mm wide, 0.34 mm thick, 12 mm pocket spacing, 4.83 mm pocket depth
PCB washing Only pure water or alcohol recommended
Dimensions
0.240 6,10
3rd color dot over pin 6
0.185 +0.005 /–0.010 4,70 +0,127 /–0,254
0.255 6,48
0.240 6,10
0.035 0,89
12
3
0.180 4,57
1st color dot over pin 1
0.250 6,35 65
4
0.045 1,14
Recommended 0.170 Land Pattern 4,32
65 4
0.040 1,02
Unless otherwise noted, tolerance for all dimensions ±0.005/0,127.
0.050 1,27
12 3
0.050 1,27
Dimensions
are
in
inches mm
© Coilcraft, Inc. 2008
Specifications subject to change without notice. Please check our website for latest information.
Document 194-1 Revised 10/21/08
Document 194-2
Surface Mount Wideband RF Transformers
Type
Impedance
ratio2 Bandwidth
Part number1 pri:sec
(MHz)
TTWB-1-AL_ TTWB-1.5-AL_ 1 6 TTWB-2-AL_ TTWB-4-AL_ TTWB-16-AL_ 3 4 TTWB1010L_
Type A TTWB1010-1L_
TTWB1015L_ TTWB1040L_
1:1 1:1.5 1:2 1:4 1:16 1:1 1:1 1:1.5 1:4
0.08 - 450 0.03 - 300 0.05 - 200 0.15 - 500 0.05 - 80 0.0035.