Safety insulation transformers for SmartPower
Kaschke Plug & Play
With over 50 years of market experience, we lead the way in the development of standard transformer solutions for SMPS control IC’s.
All of our designs meet the necessary safety and performance criteria listed below and are in active production fulfilling many applications.
Safety Standards:
• EN 60065
• EN 60950
• EN 60335
• EN 61558
• EN 60938-2
| 13/4 Platform | |||||||||
| Power** | Input Voltage | Primary Inductance | Output 1 | Output 2 | Creepage | AUX | Shield | Part no. | Datasheet |
| 4W | 85-265 VAC | 2.39mH ± 10% | 3V/0.75A | 3V/0.75A | ≥ 6 mm | x | – | 71951 | Download |
| 4W | 85-256 VAC | 2.39mH ± 10% | 12V/0.2A | 12V/0.2A | ≥ 6 mm | x | – | 71952 | Download |
| E 13/6 | |||||||||
| Power** | Input Voltage | Primary Inductance | Output 1 | Output 2 | Creepage | AUX | Shield | Part no. | Datasheet |
| 3 W | 85-265 VAC | 1.18mH ± 15% | 12V/0.125A | 12V/0.125A | ≥ 6 mm | – | – | 96922 | Download |
| 3 W | 85-265 VAC | 1.4mH ± 15% | 12V/0.25A | – | ≥ 6 mm | – | – | 96931 | Download |
| 3 W | 85-265 VAC | 1.4mH ± 15% | 6V/0.5 A | – | ≥ 6 mm | – | – | 96930 | Download |
| 3 W | 85-265 VAC | 2.8mH ± 10% | 3V/1A | – | ≥ 6 mm | – | – | 96901 | Download |
| 3 W | 85-265 VAC | 2.8mH ± 10% | 5V/0.6A | – | ≥ 6 mm | – | – | 96902 | Download |
| 3 W | 85-265 VAC | 2.8mH ± 10% | 12V/0.25A | – | ≥ 6 mm | – | – | 96903 | Download |
| 3 W | 85-265 VAC | 2.8mH ± 10% | 15V/0.2A | – | ≥ 6 mm | – | – | 96904 | Download |
| 3 W | 85-265 VAC | 2.62mH ± 10% | 12V/0.125A | 12V/0.125A | ≥ 6 mm | – | – | 96906 | Download |
| 3 W | 85-265 VAC | 3.4mH ± 15% | 12V/0.25A | – | ≥ 6 mm | x | – | 96951 | Download |
| 3 W | 85-265 VAC | 3.8mH ± 10% | 12V/0.25A | – | ≥ 6 mm | x | x | 96971 | Download |
| 4 W | 85-265 VAC | 3.4mH ± 15% | 6V/0.7A | – | ≥ 6 mm | x | – | 96950 | Download |
| 4 W | 85-265 VAC | 1.6mH ± 10% | 5V/0.8A | – | ≥ 6 mm | x | – | 96840 | Download |
| 4 W | 85-265 VAC | 1.5mH ± 10% | 12V/0.35A | – | ≥ 6 mm | x | – | 96841 | Download |
| 4 W | 85-265 VAC | 1.5mH ± 10% | 6V/0.7A | – | ≥ 6 mm | x | – | 96940 | Download |
| 4 W | 85-265 VAC | 2.4mH ± 15% | 12V/0.35A | – | ≥ 6 mm | – | – | 96941 | Download |
| 4.5 W | 85-265 VAC | 2.4mH ±10% | 18V/0.25A | – | ≥ 6 mm | x | – | 96943 | Download |
| 5 W | 85-265 VAC | 1.94mH ± 10% | 18V/0.3A | – | ≥ 6 mm | – | – | 96929 | Download |
| E 16/5 Platform | ||||||||||
| Power** | Input Voltage | Primary Inductance | Output 1 | Output 2 | Creepage | AUX | Shield | Part no. | Datasheet | |
| VDE | 1.5 W | 85-265 VAC | 5.67mH ± 10% | 6V/0.1A | 6V/0.1A | ≥ 8 mm | – | – | 63928 | Download |
| 2 W | 85-265 VAC | 4.1mH ± 15% | 3.3V/0.6A | – | ≥ 8 mm | x | – | 93709 | Download | |
| 3 W | 85-265 VAC | 2.8mH ± 15% | 15V/0.2A | – | ≥ 8 mm | – | – | 93904 | Download | |
| VDE | 3 W | 85-265 VAC | 3.9mH ± 10% | 6V/0.25A | 6V/0.25A | ≥ 8 mm | – | – | 63929 | Download |
| 4 W | 85-265 VAC | 2.8mH ± 10% | 5V/0.4A | 7V/0.25A | ≥ 8 mm | x | x | 93758 | Download | |
| 4.5 W | 85-265 VAC | 1.6mH ± 10% | 6V/0.75A | – | ≥ 8 mm | x | – | 93940 | Download | |
| 4.5 W | 85-265 VAC | 2.2mH ± 10% | 18V/0.25A | – | ≥ 8 mm | x | – | 93943 | Download | |
| VDE | 3-6 W | 85-265 VAC | 3.9 mH ± 10% | 9-12V/0.25A | 9-12V/0.25A | ≥ 8 mm | – | – | 63930 | Download |
| VDE | 6 W | 85-265 VAC | 1.55mH ± 15% | 6V/0.5A | 6V/0.5A | ≥ 8 mm | – | x | 63931 | Download |
| VDE | 6 W | 85-265 VAC | 1.55mH ± 15% | 12V/0.25A | 12V/0.25A | ≥ 8 mm | – | x | 63932 | Download |
| VDE | 8 W | 85-265 VAC | 1.58mH ± 12% | 6V/0.65A | 6V/0.65A | ≥ 8 mm | – | x | 93830 | Download |
| 8 W | 85-265 VAC | 2.0mH ± 15% | 13V/0.3A | 13V/0.3A | ≥ 8 mm | – | x | 93832 | Download | |
| VDE | 9 W | 85-265 VAC | 0.89mH ± 10% | 6V/0.75A | 6V/0.75A | ≥ 8 mm | – | x | 63933 | Download |
| VDE | 9 W | 85-265 VAC | 0.89mH ± 10% | 12V/0.37A | 12V/0.37A | ≥ 8 mm | – | x | 63934 | Download |
| 9 W | 85-265 VAC | 2.55mH ± 15% | 5V/0.5A | 12V/0.5A | ≥ 8 mm | – | – | 93203 | Download | |
| E 20/6 Platform | ||||||||||
| Power** | Input Voltage | Primary Inductance | Output 1 | Output 2 | Creepage | AUX | Shield | Part no. | Datasheet | |
| 14 W | 85-265 VAC | 1.9mH ± 10 % | 5V/1.2A | 19V/0.4A | ≥ 8 mm | – | – | 94944 | Download | |
| VDE | 18 W | 85-265 VAC | 1.16mH ± 10% | 6V/1.5A | 6V/1.5A | ≥ 8 mm | – | – | 94940 | Download |
| VDE | 18 W | 85-265 VAC | 1.16mH ± 10% | 12V/0.75A | 12V/0.75A | ≥ 8 mm | – | – | 94941 | Download |
| VDE | 18 W | 85-265 VAC | 1.2mH ± 10% | 18V/0.5A | 18V/0.5A | ≥ 8 mm | – | – | 94943 | Download |
| VDE | 19 W | 85-265 VAC | 1.1mH ± 10% | 24V/0.5A | 6V/1A | ≥ 8 mm | – | – | 94942 | Download |
| VDE | 22 W | 85-265 VAC | 0.94mH ± 10% | 12V/1.2A | 5V/1.4A | ≥ 8 mm | x | – | 94932 | Download |
| VDE | 22 W | 85-265 VAC | 0.94mH ± 10% | 6V/1.8A | 6V/1.8A | ≥ 8 mm | x | – | 94931 | Download |
| VDE | 22 W | 85-265 VAC | 0.94mH ± 10% | 5V/0.8A | 24V/0.8A | ≥ 8 mm | x | – | 94930 | Download |
| VDE | 22 W | 85-265 VAC | 0.94mH ± 10% | 12V/0.9A | 12V/0.9A | ≥ 8 mm | x | – | 94929 | Download |
| 22 W | 85-265 VAC | 0.94mH ± 10% | 20V/0.55A | 20V/0.55A | ≥ 8 mm | x | – | 94792 | Download | |
| E 20/11 Platform | ||||||||||
| Power** | Input Voltage | Primary Inductance | Output 1 | Output 2 | Creepage | AUX | Shield | Part no. | Datasheet | |
| VDE | 27 W | 85-265 VAC | 797μH ± 10% | 6V/2.2A | 6V/2.2 A | ≥ 8 mm | x | – | 94980 | Download |
| 27 W | 85-265 VAC | 797μH ± 10% | 12V/1.1A | 12V/1.1A | ≥ 8 mm | x | – | 94981 | Download | |
| E 25/7 Platform | ||||||||||
| Power** | Input Voltage | Primary Inductance | Output 1 | Output 2 | Creepage | AUX | Shield | Part no. | Datasheet | |
| 28 W | 85-265 VAC | 1,28mH ± 10% | 13.8 V/1A | 13.8V/1A | ≥ 8 mm | x | – | 95931 | Download | |
| 34 W | 85-265 VAC | 504μH ± 10% | 5V/2.5A | 12V/1.8A | ≥ 8 mm | x | – | 95954 | Download | |
| 34 W | 85-265 VAC | 504μH ± 10% | 5V/2A | 24V/1.0A | ≥ 8 mm | x | – | 95953 | Download | |
| VDE | 38 W | 85-265 VAC | 504μH ± 10% | 15V/1.3A | 15V/1.3A | ≥ 8 mm | x | – | 95952 | Download |
| 45 W | 85-265 VAC | 504μH ± 10% | 30V/0.75A | 30V/0.75A | ≥ 8 mm | x | – | 95951 | Download | |
| 45 W | 85-265 VAC | 504μH ± 10% | 12V/1.9A | 12V/1.9A | ≥ 8 mm | x | – | 95956 | Download | |
| EFS 25/13 Platform | ||||||||||
| Power** | Input Voltage | Primary Inductance | Output 1 | Output 2 | Creepage | AUX | Shield | Part no. | Datasheet | |
| 55 W | 85-265 VAC | 350μH ± 10% | 15V/1.8A | 15V/1.8A | ≥ 8 mm | x | – | 195951 | Download | |
| VDE | 55 W | 85-265 VAC | 350μH ± 10% | 24V/1.8A | 6V/1.8A | ≥ 8 mm | x | – | 195952 | Download |
| E 30/7 Platform | |||||||||
| Power** | Input Voltage | Primary Inductance | Output 1 | Output 2 | Creepage | AUX | Shield | Part no. | Datasheet |
| 48 W | 85-265 VAC | 930μH ± 10% | 13.8V/3.5A | – | ≥ 6 mm | x | – | 66932 | Download |
| 48 W | 85-265 VAC | 346μH ± 10% | 14V/3A | – | ≥ 6 mm | x | – | 66929 | Download |
| 50 W | 85-265 VAC | 320μH ± 10% | 24V/2A | – | ≥ 6 mm | x | – | 66930 | Download |
| 56 W | 85-265 VAC | 290μH ± 10% | 28V/2A | – | ≥ 6 mm | x | – | 66931 | Download |
| E 32/9 Platform | ||||||||||
| Power** | Input Voltage | Primary Inductance | Output 1 | Output 2 | Creepage | AUX | Shield | Part no. | Datasheet | |
| VDE | 70 W | 85-265 VAC | 281μH ± 10% | 12V/2.8A | 12V/2.8A | ≥ 8mm | x | – | 149950 | |
| 70 W | 85-265 VAC | 281μH ± 10% | 24V/2.5A | 6V/1.5A | ≥ 8mm | x | – | 149951 | ||
| E 36/11 Platform | |||||||||
| Power** | Input Voltage | Primary Inductance | Output 1 | Output 2 | Creepage | AUX | Shield | Part no. | Datasheet |
| 68 W | 85-265 VAC | 530μH ± 10% | 15V/4.5A | – | ≥ 8 mm | x | – | 67043 | Download |
| 96 W | 85-265 VAC | 178μH ± 10% | 30V/1.6A | 30V/1.6A | ≥ 8 mm | x | – | 67039 | Download |
| 96 W | 85-265 VAC | 134μH ± 10% | 24V/4A | – | ≥ 8 mm | x | – | 67050 | Download |
| Inductance for Buck-Converter | |||||
| Power** | Input Voltage | Primary Inductance | Output 1 | Part no. | Datasheet |
| 4 W | 85-265 VAC | 0.68mH | 5-15V/410mA | 37262 | Download |
| 4 W | 85-265 VAC | 1.0mH | 5-1 V/300mA | 37259 | Download |
| 4 W | 85-265 VAC | 1.5mH | 5-15V/270mA | 37256 | Download |
| EMC Filter Choke | ||||||
| Nominal current | Input Voltage | Primary Inductance | Platforms in Core Size | Part no. | Datasheet | |
| 0.2A | 85-265 VAC | 47mH | E13/4 | 71927 | Download | |
| 0.24A | 85-265 VAC | 33mH | E13/4 | 71925 | Download | |
| 0.26A | 85-265 VAC | 27mH | E13/4 | 71924 | Download | |
| 0.28A | 85-265 VAC | 22mH | E13/4 | 71923 | Download | |
| 0.54A | 85-265 VAC | 12mH | E13/4 | 71921 | Download | |
| VDE | 0.35A | 85-265 VAC | 47mH | E16/5 | 93657 | Download |
| VDE | 0.4A | 85-265 VAC | 39mH | E16/5 | 93551 | Download |
| VDE | 0.5A | 85-265 VAC | 27mH | E16/5 | 93267 | Download |
| VDE | 0.625A | 85-265 VAC | 15mH | E16/5 | 93259 | Download |
| VDE | 0.9A | 85-265 VAC | 8.75mH | E16/5 | 93216 | Download |
| 0.8A | 85-265 VAC | 22.5mH | E20/6 | 94916 | Download | |
| 0.65A | 85-265 VAC | 5.6mH | E20/6 | 94912 | Download | |
| 0.5A | 85-265 VAC | 3.9mH | E20/6 | 94911 | Download; | |
| 1.05A | 85-265 VAC | 220μH | 8 mm Drum | 36617 | Download | |
| 1.7A | 85-265 VAC | 100μH | 8 mm Drum | 36613 | Download | |
| 3.7A | 0-60 V DC | 6.8μH | 8 mm Drum | 36230 | Download | |
| 4.3A | 0-60 V DC | 4.7μH | 8 mm Drum | 36238 | Download | |
| 5.5A | 0-60 V DC | 3.3μH | 8 mm Drum | 36242 | Download | |
| 5.6A | 0-60 V DC | 10μH | 8 mm Drum | 36601 | Download | |
Drawings without ferrite cores, tolerances and maximum values.
* Multiple outputs can be connected in series or in parallel as long as the maximum power of the transformer is not exceeded. Please see web site or data sheets for possible configurations.
** The “Power” shown is the nominal power of the supply. It may vary depending on the design of the circuit.
