Size | Dimensions | L (mm) | W (mm) | H (mm) | |
---|---|---|---|---|---|
7332 straight | 7.3 | 7.3 | 4 | ||
7345 straight | 7.3 | 7.3 | 4.8 | ||
1260 straight | 12.5 | 12.5 | 6.5 | ||
1280 straight | 12.5 | 12.5 | 8.5 | ||
1260 crossed | 12.5 | 12.5 | 6.5 | ||
1280 crossed | 12.5 | 12.5 | 8.5 | ||
1210 crossed | 12.5 | 12.5 | 10.5 | ||
7345 crossed | 7.3 | 7.3 | 4.8 | ||
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
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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
744878001 | SPEC | 8 files | 1.3 | 1.3 | 4.4 | 4.4 | 6.3 | 0.027 | 0.027 | 0.035 | 0.035 | 60 | Straight | 744870 | ||
744874001 | SPEC | 8 files | 1.5 | 1.5 | 5.85 | 5.85 | 14 | 0.012 | 0.012 | 0.016 | 0.016 | 70 | Straight | – | ||
744873001 | SPEC | 8 files | 1.5 | 1.5 | 6.25 | 6.25 | 18 | 0.011 | 0.011 | 0.015 | 0.015 | 75 | Straight | – | ||
7448700015 | SPEC | 8 files | 1.5 | 1.5 | 8.6 | 8.6 | 17.5 | 0.012 | 0.012 | 0.016 | 0.016 | 60 | Crossed | – | ||
744877001 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | 1.8 | 1.8 | 4.7 | 4.7 | 6.5 | 0.025 | 0.025 | 0.034 | 0.034 | 58 | Straight | 744870 | ||
7448709022 | SPEC | 8 files | 2.2 | 2.2 | 4.1 | 4.1 | 19 | 0.015 | 0.015 | 0.017 | 0.017 | 45 | Crossed | – | ||
744878002 | SPEC | 8 files | 2.4 | 2.4 | 3.6 | 3.6 | 4.8 | 0.042 | 0.042 | 0.052 | 0.052 | 53 | Straight | 744870 | ||
744877002 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | 2.4 | 2.4 | 4.2 | 4.2 | 5.6 | 0.031 | 0.031 | 0.042 | 0.042 | 50 | Straight | 744870 | ||
744874002 | SPEC | 8 files | 2.4 | 2.4 | 5.5 | 5.5 | 11.5 | 0.013 | 0.013 | 0.017 | 0.017 | 54 | Straight | – | ||
744873002 | SPEC | 8 files | 2.4 | 2.4 | 6 | 6 | 14 | 0.012 | 0.012 | 0.016 | 0.016 | 54 | Straight | – | ||
744870002 | SPEC | 8 files | 2.4 | 2.4 | 7.8 | 7.8 | 15 | 0.014 | 0.014 | 0.018 | 0.018 | 40 | Crossed | – | ||
744878003 | SPEC | 8 files | 3.3 | 3.3 | 3.3 | 3.3 | 4 | 0.052 | 0.052 | 0.064 | 0.064 | 49 | Straight | – | ||
744877003 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | 3.3 | 3.3 | 3.7 | 3.7 | 5 | 0.04 | 0.04 | 0.052 | 0.052 | 46 | Straight | 744870 | ||
744874003 | SPEC | 8 files | 3.3 | 3.3 | 4.91 | 4.91 | 8.9 | 0.017 | 0.017 | 0.021 | 0.021 | 45 | Straight | – | ||
744873003 | SPEC | 8 files | 3.3 | 3.3 | 5.14 | 5.14 | 11 | 0.017 | 0.017 | 0.022 | 0.022 | 41 | Straight | – | ||
744870003 | SPEC | 8 files | 3.3 | 3.3 | 7.1 | 7.1 | 12 | 0.016 | 0.016 | 0.021 | 0.021 | 30 | Crossed | – | ||
7448709033 | SPEC | 8 files | 3.3 | 3.3 | 3.7 | 3.7 | 15.5 | 0.017 | 0.017 | 0.02 | 0.02 | 35 | Crossed | – | ||
744878004 | SPEC | 8 files | 4.7 | 4.7 | 1.3 | 1.3 | 3 | 0.065 | 0.065 | 0.075 | 0.075 | 46 | Straight | 744870 | ||
744877004 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | 4.7 | 4.7 | 2.55 | 2.55 | 4 | 0.052 | 0.052 | 0.064 | 0.064 | 42 | Straight | 744870 | ||
744874004 | SPEC | 8 files | 4.7 | 4.7 | 4.22 | 4.22 | 8 | 0.023 | 0.023 | 0.028 | 0.028 | 39 | Straight | 744870 | ||
744871004 | SPEC | 8 files | 4.7 | 4.7 | 3 | 3 | 8 | 0.023 | 0.023 | 0.028 | 0.028 | 20 | Crossed | 744870 | ||
744873004 | SPEC | 8 files | 4.7 | 4.7 | 4.87 | 4.87 | 10 | 0.019 | 0.019 | 0.024 | 0.024 | 32 | Straight | 744870 | ||
744870004 | SPEC | 8 files | 4.7 | 4.7 | 3.6 | 3.6 | 10 | 0.025 | 0.025 | 0.03 | 0.03 | 34 | Crossed | 744870 | ||
7448709047 | SPEC | 8 files | 4.7 | 4.7 | 3.6 | 3.6 | 13 | 0.019 | 0.019 | 0.023 | 0.023 | 30 | Crossed | – | ||
744878005 | SPEC | 8 files | 5.6 | 5.6 | 1.5 | 1.5 | 3 | 0.095 | 0.095 | 0.12 | 0.12 | 26 | Straight | – | ||
744877005 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | 5.6 | 5.6 | 1.9 | 1.9 | 3.5 | 0.08 | 0.08 | 0.095 | 0.095 | 23 | Straight | – | ||
744878006 | SPEC | 8 files | 6.8 | 6.8 | 1.4 | 1.4 | 2.8 | 0.11 | 0.11 | 0.135 | 0.135 | 25 | Straight | – | ||
744877006 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | 6.8 | 6.8 | 1.8 | 1.8 | 3.2 | 0.085 | 0.085 | 0.102 | 0.102 | 20 | Straight | – | ||
744874006 | SPEC | 8 files | 6.8 | 6.8 | 3.9 | 3.9 | 6.8 | 0.027 | 0.027 | 0.032 | 0.032 | 33 | Straight | – | ||
744871006 | SPEC | 8 files | 6.8 | 6.8 | 2.8 | 2.8 | 6.5 | 0.035 | 0.035 | 0.04 | 0.04 | 20 | Crossed | – | ||
744870006 | SPEC | 8 files | 6.8 | 6.8 | 3.2 | 3.2 | 8 | 0.027 | 0.027 | 0.035 | 0.035 | 18 | Crossed | – | ||
7448709068 | SPEC | 8 files | 6.8 | 6.8 | 3.3 | 3.3 | 11.5 | 0.026 | 0.026 | 0.031 | 0.031 | 23 | Crossed | – | ||
744878008 | SPEC | 8 files | 8.2 | 8.2 | 1.3 | 1.3 | 2.7 | 0.115 | 0.115 | 0.14 | 0.14 | 22 | Straight | – | ||
744877008 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | 8.2 | 8.2 | 1.7 | 1.7 | 2.9 | 0.091 | 0.091 | 0.11 | 0.11 | 17 | Straight | – | ||
744878100 | SPEC | 8 files | 10 | 10 | 1 | 1 | 2 | 0.125 | 0.125 | 0.15 | 0.15 | 30 | Straight | 744870 | ||
744877100 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | 10 | 10 | 1.1 | 1.1 | 2.8 | 0.11 | 0.11 | 0.12 | 0.12 | 27 | Straight | 744870 | ||
744874100 | SPEC | 8 files | 10 | 10 | 3.28 | 3.28 | 5.25 | 0.038 | 0.038 | 0.044 | 0.044 | 24 | Straight | 744870 | ||
744871100 | SPEC | 8 files | 10 | 10 | 2 | 2 | 5 | 0.044 | 0.044 | 0.05 | 0.05 | 20 | Crossed | 744870 | ||
744873100 | SPEC | 8 files | 10 | 10 | 4.2 | 4.2 | 7.5 | 0.031 | 0.031 | 0.042 | 0.042 | 20 | Straight | 744870 | ||
744870100 | SPEC | 8 files | 10 | 10 | 2.7 | 2.7 | 7 | 0.038 | 0.038 | 0.044 | 0.044 | 18 | Crossed | 744870 | ||
7448709100 | SPEC | 8 files | 10 | 10 | 3.2 | 3.2 | 8 | 0.033 | 0.033 | 0.04 | 0.04 | 20 | Crossed | 744870 | ||
744873150 | SPEC | 8 files | 15 | 15 | 3.3 | 3.3 | 6.1 | 0.041 | 0.041 | 0.055 | 0.055 | 14 | Straight | – | ||
744878220 | SPEC | 8 files | 22 | 22 | 0.7 | 0.7 | 1.5 | 0.245 | 0.245 | 0.3 | 0.3 | 20 | Straight | – | ||
744877220 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | 22 | 22 | 0.8 | 0.8 | 1.8 | 0.215 | 0.215 | 0.26 | 0.26 | 16 | Straight | 744870 | ||
744874220 | SPEC | 8 files | 22 | 22 | 2.47 | 2.47 | 3.3 | 0.067 | 0.067 | 0.08 | 0.08 | 15.5 | Straight | 744870 | ||
744871220 | SPEC | 8 files | 22 | 22 | 1.85 | 1.85 | 3 | 0.067 | 0.067 | 0.09 | 0.09 | 14 | Crossed | 744870 | ||
744873220 | SPEC | 8 files | 22 | 22 | 2.79 | 2.79 | 5 | 0.058 | 0.058 | 0.07 | 0.07 | 11.5 | Straight | 744870 | ||
744870220 | SPEC | 8 files | 22 | 22 | 2.45 | 2.45 | 5.2 | 0.062 | 0.062 | 0.08 | 0.08 | 10 | Crossed | 744870 | ||
7448709220 | SPEC | 8 files | 22 | 22 | 3.5 | 3.5 | 5 | 0.064 | 0.064 | 0.08 | 0.08 | 10 | Crossed | 744870 | ||
744877330 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | 33 | 33 | 0.7 | 0.7 | 1.5 | 0.4 | 0.4 | 0.5 | 0.5 | 8 | Straight | – | ||
744871330 | SPEC | 8 files | 33 | 33 | 1.2 | 1.2 | 2.8 | 0.125 | 0.125 | 0.17 | 0.17 | 6 | Crossed | – | ||
744873330 | SPEC | 8 files | 33 | 33 | 2.25 | 2.25 | 3.9 | 0.087 | 0.087 | 0.105 | 0.105 | 8.9 | Straight | – | ||
7448709330 | SPEC | 8 files | 33 | 33 | 2 | 2 | 4.4 | 0.08 | 0.08 | 0.1 | 0.1 | 6 | Crossed | 744870 | ||
744878470 | SPEC | 8 files | 47 | 47 | 0.9 | 0.9 | 1 | 0.6 | 0.6 | 0.75 | 0.75 | 8 | Straight | – | ||
744874470 | SPEC | 8 files | 47 | 47 | 1.8 | 1.8 | 2.75 | 0.13 | 0.13 | 0.15 | 0.15 | 11 | Straight | 744870 | ||
744871470 | SPEC | 8 files | 47 | 47 | 1.1 | 1.1 | 2.4 | 0.145 | 0.145 | 0.18 | 0.18 | 5 | Crossed | 744870 | ||
744873470 | SPEC | 8 files | 47 | 47 | 2.02 | 2.02 | 3.1 | 0.11 | 0.11 | 0.12 | 0.12 | 7.8 | Straight | 744870 | ||
744870470 | SPEC | 8 files | 47 | 47 | 1.45 | 1.45 | 3.1 | 0.125 | 0.125 | 0.15 | 0.15 | 5 | Crossed | 744870 | ||
7448709470 | SPEC | 8 files | 47 | 47 | 1.9 | 1.9 | 3.6 | 0.106 | 0.106 | 0.13 | 0.13 | 4 | Crossed | – | ||
744873680 | SPEC | 8 files | 68 | 68 | 1.66 | 1.66 | 2.8 | 0.163 | 0.163 | 0.18 | 0.18 | 5.5 | Straight | – | ||
744870680 | SPEC | 8 files | 68 | 68 | 1.35 | 1.35 | 3 | 0.17 | 0.17 | 0.215 | 0.215 | 3.7 | Crossed | – | ||
744878101 | SPEC | 8 files | 100 | 100 | 0.3 | 0.3 | 0.7 | 1.4 | 1.4 | 1.73 | 1.73 | 4 | Straight | – | ||
744877101 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | 100 | 100 | 0.65 | 0.65 | 0.9 | 1.029 | 1.029 | 1.3 | 1.3 | 4 | Straight | – | ||
744874101 | SPEC | 8 files | 100 | 100 | 1.2 | 1.2 | 1.7 | 0.285 | 0.285 | 0.32 | 0.32 | 6 | Straight | 744870 | ||
744871101 | SPEC | 8 files | 100 | 100 | 1.5 | 1.5 | 1.8 | 0.293 | 0.293 | 0.36 | 0.36 | 4 | Crossed | 744870 | ||
744873101 | SPEC | 8 files | 100 | 100 | 1.38 | 1.38 | 2.2 | 0.235 | 0.235 | 0.255 | 0.255 | 4.4 | Straight | 744870 | ||
744870101 | SPEC | 8 files | 100 | 100 | 1.4 | 1.4 | 2 | 0.23 | 0.23 | 0.3 | 0.3 | 4 | Crossed | 744870 | ||
744870151 | SPEC | 8 files | 150 | 150 | 1 | 1 | 1.7 | 0.34 | 0.34 | 0.4 | 0.4 | 2.3 | Crossed | – | ||
744873221 | SPEC | 8 files | 220 | 220 | 0.91 | 0.91 | 1.6 | 0.54 | 0.54 | 0.58 | 0.58 | 2.8 | Straight | 744870 | ||
744870221 | SPEC | 8 files | 220 | 220 | 0.9 | 0.9 | 1.4 | 0.53 | 0.53 | 0.65 | 0.65 | 2 | Crossed | 744870 | ||
744875221 | SPEC | – | 3 files | 220 | 220 | 0.46 | 0.46 | 0.58 | 1.94 | 1.94 | 2.32 | 2.32 | 4.1 | Crossed | – | |
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 |
---|---|---|
744878001 | SPEC | |
744874001 | SPEC | |
744873001 | SPEC | |
7448700015 | SPEC | |
744877001 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
7448709022 | SPEC | |
744878002 | SPEC | |
744877002 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
744874002 | SPEC | |
744873002 | SPEC | |
744870002 | SPEC | |
744878003 | SPEC | |
744877003 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
744874003 | SPEC | |
744873003 | SPEC | |
744870003 | SPEC | |
7448709033 | SPEC | |
744878004 | SPEC | |
744877004 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
744874004 | SPEC | |
744871004 | SPEC | |
744873004 | SPEC | |
744870004 | SPEC | |
7448709047 | SPEC | |
744878005 | SPEC | |
744877005 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
744878006 | SPEC | |
744877006 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
744874006 | SPEC | |
744871006 | SPEC | |
744870006 | SPEC | |
7448709068 | SPEC | |
744878008 | SPEC | |
744877008 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
744878100 | SPEC | |
744877100 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
744874100 | SPEC | |
744871100 | SPEC | |
744873100 | SPEC | |
744870100 | SPEC | |
7448709100 | SPEC | |
744873150 | SPEC | |
744878220 | SPEC | |
744877220 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
744874220 | SPEC | |
744871220 | SPEC | |
744873220 | SPEC | |
744870220 | SPEC | |
7448709220 | SPEC | |
744877330 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
744871330 | SPEC | |
744873330 | SPEC | |
7448709330 | SPEC | |
744878470 | SPEC | |
744874470 | SPEC | |
744871470 | SPEC | |
744873470 | SPEC | |
744870470 | SPEC | |
7448709470 | SPEC | |
744873680 | SPEC | |
744870680 | SPEC | |
744878101 | SPEC | |
744877101 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
744874101 | SPEC | |
744871101 | SPEC | |
744873101 | SPEC | |
744870101 | SPEC | |
744870151 | SPEC | |
744873221 | SPEC | |
744870221 | SPEC | |
744875221 | SPEC | – |
744879221 | SPEC | – |
744870471 | SPEC |
Samples |
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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