Product Model
744-303

Selling Points
- 1Push-in termination with low insertion forces.
- 2Rated for 250 V nominal voltage and 4 kV surge voltage.
- 3Just 6.4 mm tall, ideal for space-constrained applications.
- 4Suitable for solid conductors 0.5 to 1.5 mm².
- 5Includes schematic symbols and PCB footprints for seamless integration into your development environment.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Clamping units | 3 | Total number of potentials | 3 |
Number of connection types | 1 | Number of levels | 1 |
Pin spacing | 3.5?mm?/ 0.138?inches | Width | 11.4?mm?/ 0.449?inches |
Height | 10.1?mm?/ 0.398?inches | Height from the surface | 6.6?mm?/ 0.26?inches |
Depth | 12.5?mm?/ 0.492?inches | Solder pin length | 3.5mm |
Solder pin dimensions | 0.35 x 0.9?mm | Drilled hole diameter with tolerance | 1.1(+0.1)mm |
PCB contact | THT | Solder pin arrangement | over the entire terminal strip (staggered) |
Number of solder pins per potential | 1 | Note (material data) | Information on material specifications can be found here |
Color | white | Material group | I |
Insulation material (main housing) | Polyamide (PA66) | Flammability class per UL94 | V0 |
Clamping spring material | Copper alloy | Contact plating | Tin |
Fire load | 0.016MJ | Weight | 0.9g |
Limit temperature range | -60 … +105?°C | eCl@ss 10.0 | 27-44-04-01 |
eCl@ss 9.0 | 27-44-04-01 | ETIM 9.0 | EC002643 |
ETIM 8.0 | EC002643 | ECCN | NO US CLASSIFICATION |
PU (SPU) | 1000?pcs | Packaging type | box |
Country of origin | CH | GTIN | 4055143300520 |
Customs tariff number | 8536904000 | RoHS Compliance Status | Compliant,No Exemption |
Ratings per | IEC/EN 60664-1 | Rated voltage (III / 3) | 250V |
Rated impulse voltage (III / 3) | 4kV | Rated voltage (III/2) | 320V |
Rated surge voltage (III/2) | 4kV | Nominal voltage (II/2) | 630V |
Rated surge voltage (II/2) | 4kV | Rated current | 3A |
Legend (ratings) | (III / 2) ? Overvoltage category III / Pollution degree 2 | Approvals per | UL 1059 |
Rated voltage UL (Use Group B) | 300V | Rated current UL (Use Group B) | 6A |
Rated voltage UL (Use Group D) | 300V | Rated current UL (Use Group D) | 6A |
Connection technology | PUSH WIRE? | Actuation type | Operating tool |
Solid conductor | 0.5 … 1.5?mm2?/ 20 … 16?AWG | Strip length | 8 … 9?mm?/ 0.31 … 0.35?inches |
Conductor connection direction to PCB | 0° | Number of poles | 3 |
Specifications may be subject to change without notice