WE-STAR-BUENO

Characteristics

  • With reliable flexible cable fixing, developed in-house
  • Pre-fixing cable system facilitates the assembly process
  • Cable clamping protection
  • Internal security locking system with key technology WE-STAR-KEY (safety key) prevents unauthorized removing from the cable
  • One key in each sample shipment
  • Classification of the plastic housing: UL94 V0
  • Operating temperature: –50 °C to +105 °C
  • Core material: NiZn

Applications

  • EMC ferrite for the EMI suppression in the frequency area from 1 MHz to 1 GHz
  • Fastening for round cables with diameters from 2.5 mm to 8.5 mm or if winded more turns through the ferrite
  • Reusable thanks to STAR-KEY technology, ideal for testing and measuring purposes in EMC laboratories

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Ø Cable(mm)
Z @ 25 MHz
1 turn
(Ω)
Z @ 100 MHz
1 turn
(Ω)
Material
L(mm)
W(mm)
H(mm)
Color
Safety Key
Alpha-Rack
Design Kit
SamplesAvailability & Sample
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WE-STAR-BUENO
74275812
SPEC2.5 - 5, 122 Ω, 206 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 2.5 - 5
Impedance @ 25 MHz 1 turn122 Ω
Impedance @ 100 MHz 1 turn206 Ω
Material4 W 620 
Length30.3 mm
Width18.4 mm
Height19 mm
Plastic Housing ColorGrey 
Safety Key
Alpha-Rack
Design Kit
Check availability
WE-STAR-BUENO
74275812S
SPEC2.5 - 5, 122 Ω, 206 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 2.5 - 5
Impedance @ 25 MHz 1 turn122 Ω
Impedance @ 100 MHz 1 turn206 Ω
Material4 W 620 
Length30.3 mm
Width18.4 mm
Height19 mm
Plastic Housing ColorBlack 
Safety Key
Alpha-Rack
Design Kit
Check availability
WE-STAR-BUENO
74275813
SPEC4.5 - 8.5, 117 Ω, 202 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 4.5 - 8.5
Impedance @ 25 MHz 1 turn117 Ω
Impedance @ 100 MHz 1 turn202 Ω
Material4 W 620 
Length39.2 mm
Width23.4 mm
Height24 mm
Plastic Housing ColorGrey 
Safety Key
Alpha-Rack
Design Kit
Check availability
WE-STAR-BUENO
74275815
SPEC4.5 - 8.5, 171 Ω, 340 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 4.5 - 8.5
Impedance @ 25 MHz 1 turn171 Ω
Impedance @ 100 MHz 1 turn340 Ω
Material4 W 620 
Length56.2 mm
Width23.4 mm
Height24 mm
Plastic Housing ColorGrey 
Safety Key
Alpha-Rack
Design Kit
Check availability
WE-STAR-BUENO
74275813S
SPEC4.5 - 8.5, 117 Ω, 202 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 4.5 - 8.5
Impedance @ 25 MHz 1 turn117 Ω
Impedance @ 100 MHz 1 turn202 Ω
Material4 W 620 
Length39.2 mm
Width23.4 mm
Height24 mm
Plastic Housing ColorBlack 
Safety Key
Alpha-Rack
Design Kit
Check availability
WE-STAR-BUENO
74275815S
SPEC4.5 - 8.5, 171 Ω, 340 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 4.5 - 8.5
Impedance @ 25 MHz 1 turn171 Ω
Impedance @ 100 MHz 1 turn340 Ω
Material4 W 620 
Length56.2 mm
Width23.4 mm
Height24 mm
Plastic Housing ColorBlack 
Safety Key
Alpha-Rack
Design Kit
Check availability

Cable diameter clamping range

The compact all-rounder WE-STAR-BUENO

The article-specific clamping range of WE-STAR-BUENO enables precise selection for defined cable diameters, ensuring a secure and accurate fit. The series offers a compact, tool-free solution for retroactive cable assembly. The products are available in grey and black.

clamping range of STAR-BUENO

#askLorandt explains:

Effect of the Number of Turns on a Snap Ferrite

One, two, or three turns?

How does the number of turns affect the impedance of snap ferrites? This #askLorandt video provides a practical explanation of how one, two, or multiple turns influence the damping and filtering behavior of ferrites. Based on measurement results, it shows the differences between closed ferrites and split snap ferrites, how impedance changes across different frequency ranges, and why additional turns can be particularly beneficial at lower frequencies. At the same time, it becomes clear that as the number of turns increases, parasitic effects such as higher capacitance also play a role. In addition, the video explains the differences between NiZn and MnZn ferrites and helps developers select the right solution for EMC, cable suppression, and interference reduction.

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Assortments

Articles from this product series can be found in the following assortments: