Warning: fopen(/www/wwwroot/hkchangming.com/storage/logs/error.log): failed to open stream: Permission denied in /www/wwwroot/hkchangming.com/system/library/log.php on line 22 Bourns Inc.

All Products

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Mount Material Packaging Published Series Pbfree Code Part Status Moisture Sensitivity Level (MSL) Number of Terminations Termination ECCN Code Max Operating Temperature Min Operating Temperature Depth Diameter Length RoHS Status Lead Free Contact Plating Current Rating Radiation Hardening Number of Pins Package / Case REACH SVHC Lead Pitch Frequency Height Width Resistance Mounting Type Weight Operating Temperature Size / Dimension Height Seated (Max) Ratings HTS Code Packing Method Number of Functions Frequency - Self Resonant Type Lead Length JESD-609 Code Terminal Finish Base Part Number Surface Mount Shielding Terminal Shape Case Code (Metric) Case Code (Imperial) Tolerance Current Rating (Amps) Construction Shape/Size Description Inductance Test Frequency DC Resistance (DCR) Inductor Application Terminal Placement Quality Factor-Min (at L-nom) Rated Current-Max Inductor Type Case/Size Code Military Standard Material - Core Core Material Lead Diameter Inductance Tolerance Lead/Base Style Q Factor RMS Current (Irms) Max DC Current DC Current Special Feature Current - Saturation Q @ Freq Inductance Frequency - Test
SRR1280-391K SRR1280-391K Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Surface Mount Steel Tape & Reel (TR) 2006 SRR1280 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 12.8mm ROHS3 Compliant 1A No 2 Nonstandard No SVHC 2.7MHz 7.5mm 680MOhm Surface Mount -40°C~125°C 0.492Lx0.492W 12.50mmx12.50mm 0.315 8.00mm 8504.50.80.00 TR 1 Wirewound e2 Copper/Nickel/Tin (Cu/Ni/Sn) YES WRAPAROUND ±10% RECTANGULAR PACKAGE 390μH 100kHz 680mOhm Max POWER INDUCTOR DUAL ENDED 20 4949 Not Ferrite 10% 20 1A 1A 1A 1.4A 20 @ 796kHz
SRR1280-180M SRR1280-180M Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Surface Mount Tape & Reel (TR) 2006 SRR1280 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 12.8mm ROHS3 Compliant 4.8A Nonstandard No SVHC 7.5mm Surface Mount -40°C~125°C 0.492Lx0.492W 12.50mmx12.50mm 0.315 8.00mm 8504.50.80.00 TR 1 12MHz Wirewound e2 Copper/Nickel/Tin (Cu/Ni/Sn) YES WRAPAROUND ±20% RECTANGULAR PACKAGE 18μH 100kHz 35mOhm Max POWER INDUCTOR DUAL ENDED 24 4949 Not Ferrite 20% 24 4.8A 4.8A 4.8A 4.6A 24 @ 2.52MHz
PM3316-151M-RC PM3316-151M-RC Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 16 Weeks Surface Mount Tape & Reel (TR) 2008 PM3316 Active 1 (Unlimited) 2 SMD/SMT EAR99 10.2mm ROHS3 Compliant Lead Free 1A No 2 Nonstandard No SVHC 5mm Surface Mount -55°C~125°C 0.500Lx0.394W 12.70mmx10.00mm 0.209 5.30mm 8504.50.80.00 TR, 13 Inch 1 6MHz Wirewound e3 Tin (Sn) - with Nickel (Ni) barrier NO WRAPAROUND ±20% RECTANGULAR PACKAGE 150μH 1kHz 590mOhm POWER INDUCTOR DUAL ENDED 30 5039 Not Ferrite 20% 30 800mA 800mA 800mA 30 @ 50kHz
SRR1260A-181K SRR1260A-181K Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Surface Mount Tape & Reel (TR) 2004 SRR1260A Active 1 (Unlimited) EAR99 12.8mm ROHS3 Compliant 1.4A Nonstandard No SVHC 6mm Surface Mount -40°C~125°C 0.492Lx0.492W 12.50mmx12.50mm 0.256 6.50mm AEC-Q200 8504.50.80.00 4.5MHz Wirewound e3 Tin (Sn) Shielded ±10% 180μH 1kHz 320mOhm Max Not Ferrite 10% 1.4A 1.4A 26 @ 796kHz
CW105550A-6N8J CW105550A-6N8J Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Tape & Reel (TR) CW105550A Active 1 (Unlimited) 2 ROHS3 Compliant 0402 (1005 Metric) Surface Mount -40°C~125°C 0.039Lx0.022W 1.00mmx0.55mm 0.024 0.60mm AEC-Q200 TR, Embossed, 7 Inch 1 4.8GHz YES Unshielded WRAPAROUND ±5% 680mA Rectangular RECTANGULAR PACKAGE 6.8nH 250MHz 104mOhm Max RF INDUCTOR DUAL ENDED 20 0.68A GENERAL PURPOSE INDUCTOR Ceramic 20 @ 250MHz 250MHz
PM105SB-181K-RC PM105SB-181K-RC Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 16 Weeks Surface Mount Tape & Reel (TR) 2009 PM105SB Active 1 (Unlimited) 2 SMD/SMT EAR99 9.9mm ROHS3 Compliant Lead Free 500mA No 2 Nonstandard 4.8006mm Surface Mount -40°C~125°C 0.390Lx0.390W 9.90mmx9.90mm 0.189 4.80mm 8504.50.80.00 TR, Embossed Plastic, 13 Inch 1 5MHz Wirewound e3 Tin (Sn) - with Nickel (Ni) barrier YES ONE SURFACE ±10% Rectangular RECTANGULAR PACKAGE 180μH 100kHz 570mOhm Max POWER INDUCTOR DUAL ENDED 3945 Ferrite 500mA 24 @ 796kHz
SRR1208-820YL SRR1208-820YL Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Surface Mount Tape & Reel (TR) 2005 SRR1208 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 13mm ROHS3 Compliant 1.6A 2 Nonstandard No SVHC 8.5mm Surface Mount -40°C~125°C 0.500Lx0.500W 12.70mmx12.70mm 0.335 8.50mm 8504.50.80.00 TR 1 4MHz Wirewound e3 Matte Tin (Sn) - with Nickel (Ni) barrier YES WRAPAROUND ±15% RECTANGULAR PACKAGE 82μH 1kHz 150mOhm Max POWER INDUCTOR DUAL ENDED 18 5050 Not Ferrite 15% 18 1.6A 1.6A 1.6A 2.3A 18 @ 2.52MHz
PM124SH-331M-RC PM124SH-331M-RC Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 16 Weeks Tape & Reel (TR) 2009 PM124SH yes Active 1 (Unlimited) 2 SMD/SMT EAR99 12.8mm ROHS3 Compliant Nonstandard 4mm Surface Mount -40°C~125°C 0.492Lx0.492W 12.50mmx12.50mm 0.177 4.50mm 8504.50.80.00 TR 1 5.5MHz Wirewound e3 Matte Tin (Sn) YES YES WRAPAROUND ±20% RECTANGULAR PACKAGE 330μH 100kHz 950mOhm Max POWER INDUCTOR DUAL ENDED 12 4949 Not Ferrite 750mA 750mA 12 @ 796kHz
PM124SH-271M-RC PM124SH-271M-RC Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 16 Weeks Tape & Reel (TR) 2009 PM124SH yes Active 1 (Unlimited) 2 SMD/SMT EAR99 12.8mm ROHS3 Compliant Nonstandard 4mm 780mOhm Surface Mount -40°C~125°C 0.492Lx0.492W 12.50mmx12.50mm 0.177 4.50mm 8504.50.80.00 TR 1 6MHz Wirewound e3 Matte Tin (Sn) YES YES WRAPAROUND ±20% RECTANGULAR PACKAGE 270μH 100kHz 780mOhm Max POWER INDUCTOR DUAL ENDED 10 4949 Not Ferrite 800mA 800mA 10 @ 796kHz
2000-3R3-H-RC 2000-3R3-H-RC Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Through Hole Bulk 2007 2000 yes Active 1 (Unlimited) 2 EAR99 17.27mm ROHS3 Compliant Tin 11.1A 2 Radial, Horizontal (Open) 14.73mm 10.414mm Through Hole -55°C~105°C 0.680Dia 17.27mm 0.410 10.41mm 8504.50.80.00 1 Toroidal e3 NO WIRE ±20% Hortizontal Mount CYLINDRICAL PACKAGE 3.3μH 1kHz 5.3mOhm Max HIGH CURRENT INDUCTOR Not Ferrite 20% Radial 11.1A 11.1A
2000-180-V-RC 2000-180-V-RC Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Through Hole Bulk 2009 2000 yes Active 1 (Unlimited) 2 Radial EAR99 17.272mm ROHS3 Compliant 4.5A Radial, Vertical (Open) 7.366mm Through Hole -55°C~105°C 0.680Diax0.410W 17.27mmx10.41mm 10.414mm 8504.50.80.00 1 Toroidal e3 Tin (Sn) YES WIRE ±15% Vertical Mount CYLINDRICAL PACKAGE 18μH 1kHz 32mOhm Max HIGH CURRENT INDUCTOR Ferrite 690 μm 4.5A
2000-330-V-RC 2000-330-V-RC Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Through Hole Bulk 2009 2000 yes Active 1 (Unlimited) 2 Radial EAR99 17.272mm ROHS3 Compliant 3.5A Radial, Vertical (Open) 7.366mm Through Hole -55°C~105°C 0.680Diax0.410W 17.27mmx10.41mm 8504.50.80.00 1 Toroidal e3 Tin (Sn) YES WIRE ±15% Vertical Mount CYLINDRICAL PACKAGE 33μH 1kHz 54mOhm Max HIGH CURRENT INDUCTOR 610 μm 3.5A
SRP1205-5R6Y SRP1205-5R6Y Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download Surface Mount Tape & Reel (TR) 2011 SRP1205 yes Active 1 (Unlimited) 3 SMD/SMT EAR99 ROHS3 Compliant 8.5A Nonstandard 5.6mm Surface Mount -55°C~150°C 0.492Lx0.492W 12.50mmx12.50mm 0.220 5.60mm 8504.50.80.00 TR, 13 Inch 1 30MHz Wirewound e2 Copper/Nickel/Tin (Cu/Ni/Sn) YES WRAPAROUND ±25% RECTANGULAR PACKAGE 5.6μH 100kHz 11.4mOhm Max POWER INDUCTOR 4949 Ferrite 8A 8A
SRP1206-2R8Y SRP1206-2R8Y Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 10 Weeks Surface Mount Tape & Reel (TR) 2011 SRP1206 yes Active 1 (Unlimited) 3 SMD/SMT EAR99 ROHS3 Compliant 15A Nonstandard 5.7mm Surface Mount -55°C~150°C 0.492Lx0.492W 12.50mmx12.50mm 0.236 6.00mm 8504.50.80.00 TR, 13 Inch 1 Wirewound e2 Copper/Tin (Cu/Sn) YES WRAPAROUND ±25% RECTANGULAR PACKAGE 2.8μH 100kHz 7mOhm Max POWER INDUCTOR DUAL IN-LINE 4949 Ferrite 13A 13A
SRP1206-2R0Y SRP1206-2R0Y Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Surface Mount Tape & Reel (TR) 2006 SRP1206 yes Active 1 (Unlimited) 3 SMD/SMT EAR99 12.8mm ROHS3 Compliant 17A Nonstandard 5.6896mm Surface Mount -55°C~150°C 0.492Lx0.492W 12.50mmx12.50mm 0.236 6.00mm 8504.50.80.00 TR, 13 Inch 1 Wirewound e2 Copper/Tin (Cu/Sn) YES WRAPAROUND ±25% RECTANGULAR PACKAGE 2μH 100kHz 6mOhm Max POWER INDUCTOR DUAL IN-LINE 4949 Not Ferrite 15A 17A
PM12651S-9R0M-RC PM12651S-9R0M-RC Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Surface Mount Tape & Reel (TR) 2006 PM12651S Active 1 (Unlimited) 2 SMD/SMT EAR99 13.5mm ROHS3 Compliant 10A No Nonstandard 5.2mm Surface Mount -55°C~150°C 0.547Lx0.531W 13.90mmx13.50mm 0.232 5.90mm 8504.50.80.00 TR, 13 Inch 1 Wirewound e2 Tin/Copper (Sn/Cu) YES WRAPAROUND ±20% RECTANGULAR PACKAGE 9μH 100kHz 22.5mOhm Max POWER INDUCTOR DUAL ENDED 5553 Not Iron 10A 10A 18A
SRP1206-3R3Z SRP1206-3R3Z Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 20 Weeks Surface Mount Tape & Reel (TR) 2011 SRP1206 Active 1 (Unlimited) 150°C -55°C 12.4968mm ROHS3 Compliant 14A Nonstandard 5.6896mm 12.4968mm Surface Mount -55°C~150°C 0.492Lx0.492W 12.50mmx12.50mm 0.236 6.00mm Wirewound SRP1206 Shielded ±25% 14A 3.3μH 100kHz 7mOhm Max Ferrite 12A 100kHz
RL262-471J-RC RL262-471J-RC Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Through Hole Bulk 2009 RL262 yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant Lead Free 100mA No Radial, Vertical Cylinder 5mm 6.1976mm 5Ohm Through Hole -55°C~105°C 0.315Dia 8.00mm 0.244 6.20mm 8504.50.80.00 1 3.2MHz Wirewound NO ±5% Cylindrical CYLINDRICAL PACKAGE 470μH 796kHz 5Ohm Max DC-DC CONVERTER 60 Not Ferrite 0.7 mm Radial 100mA 100mA 60 @ 796kHz
RL622-272K-RC RL622-272K-RC Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Through Hole Bulk 2012 RL622 yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant Lead Free 80mA No Radial, Vertical Cylinder 5mm 6.1976mm Through Hole -55°C~105°C 0.335Dia 8.50mm 0.433 11.00mm 8504.50.80.00 1 900kHz Wirewound e3 Matte Tin (Sn) NO ±10% Cylindrical CYLINDRICAL PACKAGE 2.7mH 252kHz 7.7Ohm Max RF INDUCTOR 20 Not Ferrite 0.62 mm Radial 20 80mA 80mA 20 @ 252kHz
RL187-561J-RC RL187-561J-RC Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Through Hole Bulk 2012 RL187 yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant Lead Free 200mA No Radial, Vertical Cylinder 5mm 11.2014mm Through Hole -55°C~105°C 0.315Dia 8.00mm 0.441 11.20mm 8504.50.80.00 1 1.7MHz Wirewound NO ±5% Cylindrical CYLINDRICAL PACKAGE 560μH 796kHz 4Ohm Max DC-DC CONVERTER 80 Not Ferrite 0.62 mm Radial 200mA 200mA 80 @ 796kHz
RL622-392K-RC RL622-392K-RC Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Through Hole Bulk 2012 RL622 yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant Lead Free 80mA No Radial, Vertical Cylinder 5mm 6.1976mm Through Hole -55°C~105°C 0.335Dia 8.50mm 0.433 11.00mm 8504.50.80.00 1 600kHz Wirewound 5mm e3 Matte Tin (Sn) NO ±10% Cylindrical CYLINDRICAL PACKAGE 3.9mH 252kHz 14Ohm Max RF INDUCTOR 20 Not Ferrite 0.62 mm Radial 20 80mA 80mA 20 @ 252kHz
RL187-392J-RC RL187-392J-RC Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Through Hole Bulk 2012 RL187 yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant Lead Free 50mA No Radial, Vertical Cylinder 5mm 11.2014mm Through Hole -55°C~105°C 0.315Dia 8.00mm 0.441 11.20mm 8504.50.80.00 1 600kHz Wirewound Unshielded ±5% Cylindrical CYLINDRICAL PACKAGE 3.9mH 252kHz 13Ohm Max DC-DC CONVERTER 90 Not Ferrite 0.62 mm Radial 50mA 50mA 90 @ 252kHz
RL187-152J-RC RL187-152J-RC Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Through Hole Bulk 2012 RL187 yes Active 1 (Unlimited) 2 EAR99 8mm ROHS3 Compliant Lead Free 150mA No 2 Radial, Vertical Cylinder No SVHC 5mm 11.2014mm Through Hole -55°C~105°C 0.315Dia 8.00mm 0.441 11.20mm 8504.50.80.00 1 1.1MHz Wirewound NO ±5% Cylindrical CYLINDRICAL PACKAGE 1.5mH 252kHz 9Ohm Max DC-DC CONVERTER 90 Not Ferrite 5% Radial 90 150mA 150mA 90 @ 252kHz
RL187-822J-RC RL187-822J-RC Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Radial, Through Hole Bulk 2012 RL187 yes Active 1 (Unlimited) 2 EAR99 8mm ROHS3 Compliant Lead Free 50mA No Radial, Vertical Cylinder No SVHC 5mm 11.2014mm Through Hole -55°C~105°C 0.315Dia 8.00mm 0.441 11.20mm 8504.50.80.00 1 400kHz Wirewound 5mm NO ±5% Cylindrical CYLINDRICAL PACKAGE 8.2mH 252kHz 26Ohm Max DC-DC CONVERTER 90 Not Ferrite 5% Radial 90 50mA 50mA 90 @ 252kHz
RL262-472J-RC RL262-472J-RC Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Through Hole Tube 2009 RL262 yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant 40mA No Radial, Vertical Cylinder 5mm 6.2mm 32Ohm Through Hole -55°C~105°C 0.315Dia 8.00mm 0.244 6.20mm 8504.50.80.00 Bulk 1 800kHz Wirewound NO ±5% Cylindrical CYLINDRICAL PACKAGE 4.7mH 252kHz 32Ohm Max DC-DC CONVERTER 80 Not Ferrite 0.7 mm Radial 40mA 40mA 80 @ 252kHz
CI100505-1N8D CI100505-1N8D Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Surface Mount Tape & Reel (TR) 2008 CI100505 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 550μm ROHS3 Compliant 300mA No 0402 (1005 Metric) No SVHC 508μm Surface Mount -55°C~105°C 0.039Lx0.020W 1.00mmx0.50mm 0.022 0.55mm TR, 7 Inch 1 6GHz Multilayer e3 Matte Tin (Sn) - with Nickel (Ni) barrier NO WRAPAROUND 1005 0402 ±0.3nH Rectangular RECTANGULAR PACKAGE 1.8nH 100MHz 120mOhm Max RF INDUCTOR DUAL ENDED Not Ceramic 8 300mA 300mA 0.3NH IS THE TOLERANCE 8 @ 100MHz
CI100505-5N6D CI100505-5N6D Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Tape & Reel (TR) 2008 CI100505 yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant 0402 (1005 Metric) Surface Mount -55°C~105°C 0.039Lx0.020W 1.00mmx0.50mm 0.022 0.55mm 8504.50.80.00 TR, 7 Inch 1 4GHz Multilayer e3 Matte Tin (Sn) - with Nickel (Ni) barrier YES NO WRAPAROUND ±0.3nH 300mA Rectangular RECTANGULAR PACKAGE 5.6nH 100MHz 230mOhm Max RF INDUCTOR DUAL ENDED 0.3A Ceramic 0.3NH IS THE TOLERANCE 8 @ 100MHz 100MHz
CI100505-18NJ CI100505-18NJ Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Surface Mount Tape & Reel (TR) 2008 CI100505 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 550μm ROHS3 Compliant 200mA 0402 (1005 Metric) 500μm Surface Mount -55°C~105°C 0.039Lx0.020W 1.00mmx0.50mm 0.022 0.55mm TR, 7 Inch 1 2.1GHz Multilayer e3 Matte Tin (Sn) - with Nickel (Ni) barrier NO WRAPAROUND 1005 0402 ±5% Rectangular RECTANGULAR PACKAGE 18nH 800MHz 550mOhm Max RF INDUCTOR DUAL ENDED Not Ceramic 8 200mA 200mA 8 @ 100MHz 100MHz
CV201210-R12K CV201210-R12K Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Surface Mount Tape & Reel (TR) 2010 CV201210 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 1.45mm ROHS3 Compliant 250mA No 0805 (2012 Metric) 203.2μm Surface Mount 5.499807mg -55°C~125°C 0.079Lx0.049W 2.00mmx1.25mm 0.041 1.05mm 8504.50.80.00 TR, 7 Inch 1 220MHz Multilayer e3 Matte Tin (Sn) - with Nickel (Ni) barrier YES WRAPAROUND 2012 0805 ±10% Rectangular RECTANGULAR PACKAGE 120nH 25MHz 300mOhm Max RF INDUCTOR DUAL ENDED 20 Not Ferrite 20 250mA 250mA 20 @ 25MHz
CV201210-R15K CV201210-R15K Bourns Inc. $0.00
RFQ

Min: 1

Mult: 1

download 18 Weeks Surface Mount Tape & Reel (TR) 2010 CV201210 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 1.45mm ROHS3 Compliant 250mA No 0805 (2012 Metric) 203.2μm Surface Mount -55°C~125°C 0.079Lx0.049W 2.00mmx1.25mm 0.041 1.05mm 8504.50.80.00 TR, 7 Inch 1 200MHz Multilayer e3 Matte Tin (Sn) - with Nickel (Ni) barrier YES WRAPAROUND ±10% Rectangular RECTANGULAR PACKAGE 150nH 25MHz 400mOhm Max RF INDUCTOR DUAL ENDED 20 Not Ferrite 250mA 250mA 20 @ 25MHz