Size | Dimensions | L (mm) | W (mm) | H (mm) | ||
---|---|---|---|---|---|---|
EXT. | 7332 straight | 7.3 | 7.3 | 4 | ||
EXT. | 7345 straight | 7.3 | 7.3 | 4.8 | ||
EXT. | 1260 straight | 12.5 | 12.5 | 6.5 | ||
EXT. | 1280 straight | 12.5 | 12.5 | 8.5 | ||
EXT. | 1260 crossed | 12.5 | 12.5 | 6.5 | ||
EXT. | 1280 crossed | 12.5 | 12.5 | 8.5 | ||
EXT. | 1210 crossed | 12.5 | 12.5 | 10.5 | ||
NEW | 7345 crossed | 7.3 | 7.3 | 4.8 | ||
NEW | 7355 crossed | 7.3 | 7.3 | 5.8 |
LTSpice files
Characteristics
- 1:1 transformer
- Double inductor with two identical windings
- 5 different sizes available
- Operating temperature: –40 ºC to +125 ºC
- Recommended solder profile: Reflow
- Custom designs on request
Applications
- For SEPIC and CUK topologies
- Flyback applications
- Switching regulators with second, unregulated output voltage
Products
All
7332 straight
7345 straight
1260 straight
1280 straight
1260 crossed
1280 crossed
1210 crossed
7345 crossed
7355 crossed
Order Code | Datasheet | Simulation | Downloads | L1 (µH) | L2 (µH) | IR (A) | IR 2 (A) | ISAT (A) | RDC1 typ (Ω) | RDC2 typ (Ω) | RDC1 max (Ω) | RDC2 max (Ω) | fres (MHz) | Type | Design Kit | Samples | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NEW | 744878001 | SPEC | 8 files | 1.3 | 1.3 | 4.4 | 4.4 | 6.3 | 0.027 | 0.027 | 0.035 | 0.035 | 60 | – | 744870 | ||
NEW | 744874001 | SPEC | 8 files | 1.5 | 1.5 | 5.85 | 5.85 | 14 | 0.012 | 0.012 | 0.016 | 0.016 | 70 | – | – | ||
NEW | 744873001 | SPEC | 8 files | 1.5 | 1.5 | 6.25 | 6.25 | 18 | 0.011 | 0.011 | 0.015 | 0.015 | 75 | – | – | ||
NEW | 7448700015 | SPEC | 8 files | 1.5 | 1.5 | 8.6 | 8.6 | 17.5 | 0.012 | 0.012 | 0.016 | 0.016 | 60 | – | – | ||
NEW | 744877001 | SPEC | 8 files | 1.8 | 1.8 | 4.7 | 4.7 | 6.5 | 0.025 | 0.025 | 0.034 | 0.034 | 58 | – | 744870 | ||
7448709022 | SPEC | 8 files | 2.2 | 2.2 | 4.1 | 4.1 | 19 | 0.015 | 0.015 | 0.017 | 0.017 | 45 | Crossed | – | |||
NEW | 744878002 | SPEC | 8 files | 2.4 | 2.4 | 3.6 | 3.6 | 4.8 | 0.042 | 0.042 | 0.052 | 0.052 | 53 | – | 744870 | ||
NEW | 744877002 | SPEC | 8 files | 2.4 | 2.4 | 4.2 | 4.2 | 5.6 | 0.031 | 0.031 | 0.042 | 0.042 | 50 | – | 744870 | ||
NEW | 744874002 | SPEC | 8 files | 2.4 | 2.4 | 5.5 | 5.5 | 11.5 | 0.013 | 0.013 | 0.017 | 0.017 | 54 | – | – | ||
NEW | 744873002 | SPEC | 8 files | 2.4 | 2.4 | 6 | 6 | 14 | 0.012 | 0.012 | 0.016 | 0.016 | 54 | – | – | ||
NEW | 744870002 | SPEC | 8 files | 2.4 | 2.4 | 7.8 | 7.8 | 15 | 0.014 | 0.014 | 0.018 | 0.018 | 40 | – | – | ||
NEW | 744878003 | SPEC | 8 files | 3.3 | 3.3 | 3.3 | 3.3 | 4 | 0.052 | 0.052 | 0.064 | 0.064 | 49 | – | – | ||
NEW | 744877003 | SPEC | 8 files | 3.3 | 3.3 | 3.7 | 3.7 | 5 | 0.04 | 0.04 | 0.052 | 0.052 | 46 | – | 744870 | ||
NEW | 744874003 | SPEC | 8 files | 3.3 | 3.3 | 4.91 | 4.91 | 8.9 | 0.017 | 0.017 | 0.021 | 0.021 | 45 | – | – | ||
NEW | 744873003 | SPEC | 8 files | 3.3 | 3.3 | 5.14 | 5.14 | 11 | 0.017 | 0.017 | 0.022 | 0.022 | 41 | – | – | ||
NEW | 744870003 | SPEC | 8 files | 3.3 | 3.3 | 7.1 | 7.1 | 12 | 0.016 | 0.016 | 0.021 | 0.021 | 30 | – | – | ||
7448709033 | SPEC | 8 files | 3.3 | 3.3 | 3.7 | 3.7 | 15.5 | 0.017 | 0.017 | 0.02 | 0.02 | 35 | Crossed | – | |||
NEW | 744878004 | SPEC | 8 files | 4.7 | 4.7 | 1.3 | 1.3 | 3 | 0.065 | 0.065 | 0.075 | 0.075 | 46 | – | 744870 | ||
NEW | 744877004 | SPEC | 8 files | 4.7 | 4.7 | 2.55 | 2.55 | 4 | 0.052 | 0.052 | 0.064 | 0.064 | 42 | – | 744870 | ||
NEW | 744874004 | SPEC | 8 files | 4.7 | 4.7 | 4.22 | 4.22 | 8 | 0.023 | 0.023 | 0.028 | 0.028 | 39 | – | 744870 | ||
NEW | 744871004 | SPEC | 8 files | 4.7 | 4.7 | 3 | 3 | 8 | 0.023 | 0.023 | 0.028 | 0.028 | 20 | – | 744870 | ||
NEW | 744873004 | SPEC | 8 files | 4.7 | 4.7 | 4.87 | 4.87 | 10 | 0.019 | 0.019 | 0.024 | 0.024 | 32 | – | 744870 | ||
NEW | 744870004 | SPEC | 8 files | 4.7 | 4.7 | 3.6 | 3.6 | 10 | 0.025 | 0.025 | 0.03 | 0.03 | 34 | – | 744870 | ||
7448709047 | SPEC | 8 files | 4.7 | 4.7 | 3.6 | 3.6 | 13 | 0.019 | 0.019 | 0.023 | 0.023 | 30 | Crossed | – | |||
NEW | 744878005 | SPEC | 8 files | 5.6 | 5.6 | 1.5 | 1.5 | 3 | 0.095 | 0.095 | 0.12 | 0.12 | 26 | – | – | ||
NEW | 744877005 | SPEC | 8 files | 5.6 | 5.6 | 1.9 | 1.9 | 3.5 | 0.08 | 0.08 | 0.095 | 0.095 | 23 | – | – | ||
NEW | 744878006 | SPEC | 8 files | 6.8 | 6.8 | 1.4 | 1.4 | 2.8 | 0.11 | 0.11 | 0.135 | 0.135 | 25 | – | – | ||
NEW | 744877006 | SPEC | 8 files | 6.8 | 6.8 | 1.8 | 1.8 | 3.2 | 0.085 | 0.085 | 0.102 | 0.102 | 20 | – | – | ||
NEW | 744874006 | SPEC | 8 files | 6.8 | 6.8 | 3.9 | 3.9 | 6.8 | 0.027 | 0.027 | 0.032 | 0.032 | 33 | – | – | ||
NEW | 744871006 | SPEC | 8 files | 6.8 | 6.8 | 2.8 | 2.8 | 6.5 | 0.035 | 0.035 | 0.04 | 0.04 | 20 | – | – | ||
NEW | 744870006 | SPEC | 8 files | 6.8 | 6.8 | 3.2 | 3.2 | 8 | 0.027 | 0.027 | 0.035 | 0.035 | 18 | – | – | ||
7448709068 | SPEC | 8 files | 6.8 | 6.8 | 3.3 | 3.3 | 11.5 | 0.026 | 0.026 | 0.031 | 0.031 | 23 | Crossed | – | |||
NEW | 744878008 | SPEC | 8 files | 8.2 | 8.2 | 1.3 | 1.3 | 2.7 | 0.115 | 0.115 | 0.14 | 0.14 | 22 | – | – | ||
NEW | 744877008 | SPEC | 8 files | 8.2 | 8.2 | 1.7 | 1.7 | 2.9 | 0.091 | 0.091 | 0.11 | 0.11 | 17 | – | – | ||
NEW | 744878100 | SPEC | 8 files | 10 | 10 | 1 | 1 | 2 | 0.125 | 0.125 | 0.15 | 0.15 | 30 | – | 744870 | ||
744877100 | SPEC | 8 files | 10 | 10 | 1.1 | 1.1 | 2.8 | 0.11 | 0.11 | 0.12 | 0.12 | 27 | Straight | 744870 | |||
NEW | 744874100 | SPEC | 8 files | 10 | 10 | 3.28 | 3.28 | 5.25 | 0.038 | 0.038 | 0.044 | 0.044 | 24 | – | 744870 | ||
NEW | 744871100 | SPEC | 8 files | 10 | 10 | 2 | 2 | 5 | 0.044 | 0.044 | 0.05 | 0.05 | 20 | – | 744870 | ||
NEW | 744873100 | SPEC | 8 files | 10 | 10 | 4.2 | 4.2 | 7.5 | 0.031 | 0.031 | 0.042 | 0.042 | 20 | – | 744870 | ||
NEW | 744870100 | SPEC | 8 files | 10 | 10 | 2.7 | 2.7 | 7 | 0.038 | 0.038 | 0.044 | 0.044 | 18 | – | 744870 | ||
NEW | 7448709100 | SPEC | 8 files | 10 | 10 | 3.2 | 3.2 | 8 | 0.033 | 0.033 | 0.04 | 0.04 | 20 | – | 744870 | ||
NEW | 744873150 | SPEC | 8 files | 15 | 15 | 3.3 | 3.3 | 6.1 | 0.041 | 0.041 | 0.055 | 0.055 | 14 | – | – | ||
NEW | 744878220 | SPEC | 8 files | 22 | 22 | 0.7 | 0.7 | 1.5 | 0.245 | 0.245 | 0.3 | 0.3 | 20 | – | – | ||
NEW | 744877220 | SPEC | 8 files | 22 | 22 | 0.8 | 0.8 | 1.8 | 0.215 | 0.215 | 0.26 | 0.26 | 16 | – | 744870 | ||
NEW | 744874220 | SPEC | 8 files | 22 | 22 | 2.47 | 2.47 | 3.3 | 0.067 | 0.067 | 0.08 | 0.08 | 15.5 | – | 744870 | ||
NEW | 744871220 | SPEC | 8 files | 22 | 22 | 1.85 | 1.85 | 3 | 0.067 | 0.067 | 0.09 | 0.09 | 14 | – | 744870 | ||
NEW | 744873220 | SPEC | 8 files | 22 | 22 | 2.79 | 2.79 | 5 | 0.058 | 0.058 | 0.07 | 0.07 | 11.5 | – | 744870 | ||
NEW | 744870220 | SPEC | 8 files | 22 | 22 | 2.45 | 2.45 | 5.2 | 0.062 | 0.062 | 0.08 | 0.08 | 10 | – | 744870 | ||
NEW | 7448709220 | SPEC | 8 files | 22 | 22 | 3.5 | 3.5 | 5 | 0.064 | 0.064 | 0.08 | 0.08 | 10 | – | 744870 | ||
744877330 | SPEC | 8 files | 33 | 33 | 0.7 | 0.7 | 1.5 | 0.4 | 0.4 | 0.5 | 0.5 | 8 | Straight | – | |||
NEW | 744871330 | SPEC | 8 files | 33 | 33 | 1.2 | 1.2 | 2.8 | 0.125 | 0.125 | 0.17 | 0.17 | 6 | – | – | ||
NEW | 744873330 | SPEC | 8 files | 33 | 33 | 2.25 | 2.25 | 3.9 | 0.087 | 0.087 | 0.105 | 0.105 | 8.9 | – | – | ||
NEW | 7448709330 | SPEC | 8 files | 33 | 33 | 2 | 2 | 4.4 | 0.08 | 0.08 | 0.1 | 0.1 | 6 | – | 744870 | ||
NEW | 744878470 | SPEC | 8 files | 47 | 47 | 0.9 | 0.9 | 1 | 0.6 | 0.6 | 0.75 | 0.75 | 8 | – | – | ||
NEW | 744874470 | SPEC | 8 files | 47 | 47 | 1.8 | 1.8 | 2.75 | 0.13 | 0.13 | 0.15 | 0.15 | 11 | – | 744870 | ||
NEW | 744871470 | SPEC | 8 files | 47 | 47 | 1.1 | 1.1 | 2.4 | 0.145 | 0.145 | 0.18 | 0.18 | 5 | – | 744870 | ||
NEW | 744873470 | SPEC | 8 files | 47 | 47 | 2.02 | 2.02 | 3.1 | 0.11 | 0.11 | 0.12 | 0.12 | 7.8 | – | 744870 | ||
NEW | 744870470 | SPEC | 8 files | 47 | 47 | 1.45 | 1.45 | 3.1 | 0.125 | 0.125 | 0.15 | 0.15 | 5 | – | 744870 | ||
NEW | 7448709470 | SPEC | 8 files | 47 | 47 | 1.9 | 1.9 | 3.6 | 0.106 | 0.106 | 0.13 | 0.13 | 4 | – | – | ||
NEW | 744873680 | SPEC | 8 files | 68 | 68 | 1.66 | 1.66 | 2.8 | 0.163 | 0.163 | 0.18 | 0.18 | 5.5 | – | – | ||
NEW | 744870680 | SPEC | 8 files | 68 | 68 | 1.35 | 1.35 | 3 | 0.17 | 0.17 | 0.215 | 0.215 | 3.7 | – | – | ||
NEW | 744878101 | SPEC | 8 files | 100 | 100 | 0.3 | 0.3 | 0.7 | 1.4 | 1.4 | 1.73 | 1.73 | 4 | – | – | ||
NEW | 744877101 | SPEC | 8 files | 100 | 100 | 0.65 | 0.65 | 0.9 | 1.029 | 1.029 | 1.3 | 1.3 | 4 | – | – | ||
NEW | 744874101 | SPEC | 8 files | 100 | 100 | 1.2 | 1.2 | 1.7 | 0.285 | 0.285 | 0.32 | 0.32 | 6 | – | 744870 | ||
NEW | 744871101 | SPEC | 8 files | 100 | 100 | 1.5 | 1.5 | 1.8 | 0.293 | 0.293 | 0.36 | 0.36 | 4 | – | 744870 | ||
NEW | 744873101 | SPEC | 8 files | 100 | 100 | 1.38 | 1.38 | 2.2 | 0.235 | 0.235 | 0.255 | 0.255 | 4.4 | – | 744870 | ||
NEW | 744870101 | SPEC | 8 files | 100 | 100 | 1.4 | 1.4 | 2 | 0.23 | 0.23 | 0.3 | 0.3 | 4 | – | 744870 | ||
NEW | 744870151 | SPEC | 8 files | 150 | 150 | 1 | 1 | 1.7 | 0.34 | 0.34 | 0.4 | 0.4 | 2.3 | – | – | ||
NEW | 744873221 | SPEC | 8 files | 220 | 220 | 0.91 | 0.91 | 1.6 | 0.54 | 0.54 | 0.58 | 0.58 | 2.8 | – | 744870 | ||
NEW | 744870221 | SPEC | 8 files | 220 | 220 | 0.9 | 0.9 | 1.4 | 0.53 | 0.53 | 0.65 | 0.65 | 2 | – | 744870 | ||
NEW | 744875221 | SPEC | – | 3 files | 220 | 220 | 0.46 | 0.46 | 0.58 | 1.94 | 1.94 | 2.32 | 2.32 | 4.1 | Crossed | – | |
NEW | 744879221 | SPEC | – | – | 220 | 220 | 0.44 | 0.44 | 0.7 | 1.94 | 1.94 | 2.3 | 2.3 | 3.2 | Crossed | – | |
744870471 | SPEC | 8 files | 470 | 470 | 0.7 | 0.7 | 0.9 | 1 | 1 | 1.2 | 1.2 | 0.65 | Crossed | – |
Order Code | Datasheet | Simulation | |
---|---|---|---|
NEW | 744878001 | SPEC | |
NEW | 744874001 | SPEC | |
NEW | 744873001 | SPEC | |
NEW | 7448700015 | SPEC | |
NEW | 744877001 | SPEC | |
7448709022 | SPEC | ||
NEW | 744878002 | SPEC | |
NEW | 744877002 | SPEC | |
NEW | 744874002 | SPEC | |
NEW | 744873002 | SPEC | |
NEW | 744870002 | SPEC | |
NEW | 744878003 | SPEC | |
NEW | 744877003 | SPEC | |
NEW | 744874003 | SPEC | |
NEW | 744873003 | SPEC | |
NEW | 744870003 | SPEC | |
7448709033 | SPEC | ||
NEW | 744878004 | SPEC | |
NEW | 744877004 | SPEC | |
NEW | 744874004 | SPEC | |
NEW | 744871004 | SPEC | |
NEW | 744873004 | SPEC | |
NEW | 744870004 | SPEC | |
7448709047 | SPEC | ||
NEW | 744878005 | SPEC | |
NEW | 744877005 | SPEC | |
NEW | 744878006 | SPEC | |
NEW | 744877006 | SPEC | |
NEW | 744874006 | SPEC | |
NEW | 744871006 | SPEC | |
NEW | 744870006 | SPEC | |
7448709068 | SPEC | ||
NEW | 744878008 | SPEC | |
NEW | 744877008 | SPEC | |
NEW | 744878100 | SPEC | |
744877100 | SPEC | ||
NEW | 744874100 | SPEC | |
NEW | 744871100 | SPEC | |
NEW | 744873100 | SPEC | |
NEW | 744870100 | SPEC | |
NEW | 7448709100 | SPEC | |
NEW | 744873150 | SPEC | |
NEW | 744878220 | SPEC | |
NEW | 744877220 | SPEC | |
NEW | 744874220 | SPEC | |
NEW | 744871220 | SPEC | |
NEW | 744873220 | SPEC | |
NEW | 744870220 | SPEC | |
NEW | 7448709220 | SPEC | |
744877330 | SPEC | ||
NEW | 744871330 | SPEC | |
NEW | 744873330 | SPEC | |
NEW | 7448709330 | SPEC | |
NEW | 744878470 | SPEC | |
NEW | 744874470 | SPEC | |
NEW | 744871470 | SPEC | |
NEW | 744873470 | SPEC | |
NEW | 744870470 | SPEC | |
NEW | 7448709470 | SPEC | |
NEW | 744873680 | SPEC | |
NEW | 744870680 | SPEC | |
NEW | 744878101 | SPEC | |
NEW | 744877101 | SPEC | |
NEW | 744874101 | SPEC | |
NEW | 744871101 | SPEC | |
NEW | 744873101 | SPEC | |
NEW | 744870101 | SPEC | |
NEW | 744870151 | SPEC | |
NEW | 744873221 | SPEC | |
NEW | 744870221 | SPEC | |
NEW | 744875221 | SPEC | – |
NEW | 744879221 | SPEC | – |
744870471 | SPEC |
Samples |
---|
Order Code | Datasheet | Simulation | Downloads | L1 (µH) | L2 (µH) | IR (A) | IR 2 (A) | ISAT (A) | RDC1 typ (Ω) | RDC2 typ (Ω) | RDC1 max (Ω) | RDC2 max (Ω) | fres (MHz) | Type | Design Kit | Samples |
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Assortments
Articles from this product series can be found in the following assortments:
Videos
WE-MCRI – Innovative Molded Coupled Inductor by Würth Elektronik eiSos