WE-STAR-TEC

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 additional EMI suppression in the frequency area from 1 MHz to 1 GHz
  • Fastening for round cables with diameter 2.0 mm to 25.0 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
Design Kit
Alpha-Rack
STAR-CLIP Fixation
SamplesAvailability & Sample
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WE-STAR-TEC
74271140
SPEC2 - 3, 92 Ω, 178 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 2 - 3
Impedance @ 25 MHz 1 turn92 Ω
Impedance @ 100 MHz 1 turn178 Ω
Material4 W 620 
Length32.6 mm
Width19 mm
Height13 mm
Plastic Housing ColorGrey 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271140S
SPEC2 - 3, 92 Ω, 178 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 2 - 3
Impedance @ 25 MHz 1 turn92 Ω
Impedance @ 100 MHz 1 turn178 Ω
Material4 W 620 
Length32.6 mm
Width19 mm
Height13 mm
Plastic Housing ColorBlack 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271142
SPEC3.5 - 5, 92 Ω, 178 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 3.5 - 5
Impedance @ 25 MHz 1 turn92 Ω
Impedance @ 100 MHz 1 turn178 Ω
Material4 W 620 
Length32.6 mm
Width19 mm
Height13 mm
Plastic Housing ColorGrey 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271142S
SPEC3.5 - 5, 92 Ω, 178 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 3.5 - 5
Impedance @ 25 MHz 1 turn92 Ω
Impedance @ 100 MHz 1 turn178 Ω
Material4 W 620 
Length32.6 mm
Width19 mm
Height13 mm
Plastic Housing ColorBlack 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271111
SPEC3.5 - 5, 175 Ω, 316 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 3.5 - 5
Impedance @ 25 MHz 1 turn175 Ω
Impedance @ 100 MHz 1 turn316 Ω
Material4 W 620 
Length41 mm
Width23.4 mm
Height18 mm
Plastic Housing ColorGrey 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271111S
SPEC3.5 - 5, 175 Ω, 316 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 3.5 - 5
Impedance @ 25 MHz 1 turn175 Ω
Impedance @ 100 MHz 1 turn316 Ω
Material4 W 620 
Length41 mm
Width23.4 mm
Height18 mm
Plastic Housing ColorBlack 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271112
SPEC4.5 - 6, 175 Ω, 316 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 4.5 - 6
Impedance @ 25 MHz 1 turn175 Ω
Impedance @ 100 MHz 1 turn316 Ω
Material4 W 620 
Length41 mm
Width23.4 mm
Height18 mm
Plastic Housing ColorGrey 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271112S
SPEC4.5 - 6, 175 Ω, 316 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 4.5 - 6
Impedance @ 25 MHz 1 turn175 Ω
Impedance @ 100 MHz 1 turn316 Ω
Material4 W 620 
Length41 mm
Width23.4 mm
Height18 mm
Plastic Housing ColorBlack 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271131
SPEC6 - 7.5, 125 Ω, 235 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 6 - 7.5
Impedance @ 25 MHz 1 turn125 Ω
Impedance @ 100 MHz 1 turn235 Ω
Material4 W 620 
Length40 mm
Width24 mm
Height20 mm
Plastic Housing ColorGrey 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271131S
SPEC6 - 7.5, 125 Ω, 235 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 6 - 7.5
Impedance @ 25 MHz 1 turn125 Ω
Impedance @ 100 MHz 1 turn235 Ω
Material4 W 620 
Length40 mm
Width24 mm
Height20 mm
Plastic Housing ColorBlack 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271132
SPEC7 - 8.5, 125 Ω, 235 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 7 - 8.5
Impedance @ 25 MHz 1 turn125 Ω
Impedance @ 100 MHz 1 turn235 Ω
Material4 W 620 
Length40 mm
Width24 mm
Height20 mm
Plastic Housing ColorGrey 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271132S
SPEC7 - 8.5, 125 Ω, 235 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 7 - 8.5
Impedance @ 25 MHz 1 turn125 Ω
Impedance @ 100 MHz 1 turn235 Ω
Material4 W 620 
Length40 mm
Width24 mm
Height20 mm
Plastic Housing ColorBlack 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271221
SPEC8.5 - 10.5, 158 Ω, 278 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 8.5 - 10.5
Impedance @ 25 MHz 1 turn158 Ω
Impedance @ 100 MHz 1 turn278 Ω
Material4 W 620 
Length41.6 mm
Width33.5 mm
Height28.4 mm
Plastic Housing ColorGrey 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271221S
SPEC8.5 - 10.5, 158 Ω, 278 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 8.5 - 10.5
Impedance @ 25 MHz 1 turn158 Ω
Impedance @ 100 MHz 1 turn278 Ω
Material4 W 620 
Length41.6 mm
Width33.5 mm
Height28.4 mm
Plastic Housing ColorBlack 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271222
SPEC10.5 - 12.5, 158 Ω, 278 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 10.5 - 12.5
Impedance @ 25 MHz 1 turn158 Ω
Impedance @ 100 MHz 1 turn278 Ω
Material4 W 620 
Length41.6 mm
Width33.5 mm
Height28.4 mm
Plastic Housing ColorGrey 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271222S
SPEC10.5 - 12.5, 158 Ω, 278 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 10.5 - 12.5
Impedance @ 25 MHz 1 turn158 Ω
Impedance @ 100 MHz 1 turn278 Ω
Material4 W 620 
Length41.6 mm
Width33.5 mm
Height28.4 mm
Plastic Housing ColorBlack 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271151
SPEC12 - 15, 200 Ω, 330 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 12 - 15
Impedance @ 25 MHz 1 turn200 Ω
Impedance @ 100 MHz 1 turn330 Ω
Material4 W 620 
Length48.4 mm
Width38.8 mm
Height35 mm
Plastic Housing ColorGrey 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271151S
SPEC12 - 15, 200 Ω, 330 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 12 - 15
Impedance @ 25 MHz 1 turn200 Ω
Impedance @ 100 MHz 1 turn330 Ω
Material4 W 620 
Length48.4 mm
Width38.8 mm
Height35 mm
Plastic Housing ColorBlack 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271211
SPEC17 - 21, 210 Ω, 335 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 17 - 21
Impedance @ 25 MHz 1 turn210 Ω
Impedance @ 100 MHz 1 turn335 Ω
Material4 W 620 
Length55.4 mm
Width46.5 mm
Height43 mm
Plastic Housing ColorGrey 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271211S
SPEC17 - 21, 210 Ω, 335 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 17 - 21
Impedance @ 25 MHz 1 turn210 Ω
Impedance @ 100 MHz 1 turn335 Ω
Material4 W 620 
Length55.4 mm
Width46.5 mm
Height43 mm
Plastic Housing ColorBlack 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271251
SPEC22 - 25, 270 Ω, 420 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 22 - 25
Impedance @ 25 MHz 1 turn270 Ω
Impedance @ 100 MHz 1 turn420 Ω
Material4 W 620 
Length61.3 mm
Width59.5 mm
Height55 mm
Plastic Housing ColorGrey 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability
WE-STAR-TEC
74271251S
SPEC22 - 25, 270 Ω, 420 Ω
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Cable Diameter 22 - 25
Impedance @ 25 MHz 1 turn270 Ω
Impedance @ 100 MHz 1 turn420 Ω
Material4 W 620 
Length61.3 mm
Width59.5 mm
Height55 mm
Plastic Housing ColorBlack 
Safety Key
Design Kit
Alpha-Rack
STAR-CLIP Fixation
Check availability

Cable diameter clamping range

The all-rounder – WE-STAR-TEC

The article-specific clamping range of WE-STAR-TEC enables precise selection for defined cable diameters, ensuring a secure and accurate fit. The series stands out for its reusable snap ferrite design with STAR-KEY technology. The products are available in grey and black.

clamping range of STAR-TEC

#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.

alttext yt_img_for_code_KTEMgJmA5tI.jpg 1691582427

Assortments

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