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Transformers

Transformers are electronic components that are used to transfer electrical energy from one circuit to another through electromagnetic induction. They consist of two coils of wire, known as the primary and secondary windings, which are wrapped around a magnetic core. When an alternating current is passed through the primary winding, it creates a magnetic field that induces a voltage in the secondary winding. Transformers are commonly used in power supplies, audio equipment, and electronic devices to step up or step down voltage levels, isolate circuits, and match impedance. They come in various sizes and types, including toroidal, laminated, and ferrite core transformers, and are essential components in many electronic systems.

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Mount Packaging Published Series Pbfree Code Part Status Moisture Sensitivity Level (MSL) Termination ECCN Code Max Operating Temperature Min Operating Temperature Depth Length RoHS Status Lead Free Current Rating Radiation Hardening Number of Pins Additional Feature Package / Case Reach Compliance Code Frequency Height Width Approval Agency Mounting Type Weight Operating Temperature Size / Dimension Input Current Height Seated (Max) Ratings HTS Code Packing Method Number of Functions Physical Dimension Power Rating Type Frequency Range Surface Mount Operating Temperature (Max) Operating Temperature (Min) Subcategory Shielding Max Power Dissipation Power - Max Termination Style Application Max Output Current Current Rating (Amps) Operating Frequency-Max Operating Frequency-Min Inductance DC Resistance (DCR) Transformer Type Lead/Base Style Isolation Voltage Output Voltage 1 Input Voltage (Min) Input Voltage (Max) Max DC Current Turns Ratio - Primary:Secondary Turns Ratio (NpNs) Number of Secondary Winding Number of Primary Winding Load Resistance DC Unbalance Current-Max Output Voltage 2 Voltage - Isolation Current - Output (Max) VA Rating Current Ratio ET (Volt-Time) ET Product-Min Peak Primary Current Voltage - Primary Primary Winding(s) Secondary Winding(s) Center Tap Voltage - Secondary (Full Load)
ST5-48B31 ST5-48B31 Pulse Electronics Power 0.0000
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0.00000000 download Through Hole Bulk 2009 Split Bobbin Plug-In Active 1 (Unlimited) PC Pin EAR99 47.244mm RoHS Compliant 36.58mm 39.624mm UL; CSA Through Hole 0.7lb 317.51g 47.24mm Lx39.62mm W 8504.31.40.35 47.244mm X 39.624mm X 36.576mm 12W Laminated Core 12W 12VA PC Pin 250mA 24V 24V 2500Vrms Parallel 500mA Series 250mA 12 VA 115V Single Dual No Parallel 24V Series 48V
BV030-7307.0 BV030-7307.0 Pulse Electronics Power 0.0000
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0.00000000 download Through Hole Obsolete 1 (Unlimited) PC Pin 32.5mm RoHS Compliant Lead Free 1.06mm 27.5mm Through Hole 0.133lb 60.33g 32.50mm Lx27.50mm W 27.00mm Laminated Core 2W 2VA PC Pin 133mA 133mA 230V Single Single No 15V
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0.00000000 download Through Hole Obsolete 1 (Unlimited) PC Pin 32.5mm RoHS Compliant Lead Free 940μm 27.5mm Through Hole 0.133lb 60.33g 32.50mm Lx27.50mm W 24.00mm Laminated Core 1.2W 1.2VA PC Pin 133mA 133mA 115V Single Single No 9V
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0.00000000 11 Weeks Tape & Reel (TR) 2015 Active 1 (Unlimited) EAR99 29.21mm RoHS Compliant LENGTH & HEIGHT DIMENSION INCLUDES TERMINAL ALSO unknown 21.84mm Surface Mount -40°C~125°C 0.860Lx1.150W 21.84mmx29.21mm 0.450 11.43mm L29.21XB21.84XH11.43 (mm) YES 200kHz 4.5μH SMPS TRANSFORMER 3.3V 9V 36V 1 3
LP28-430B117 LP28-430B117 Pulse Electronics Power 0.0000
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0.00000000 download 14 Weeks Plug-In, Through Hole Bulk 2007 Low Profile Plug-In Active 1 (Unlimited) PC Pin EAR99 63.5mm RoHS Compliant PARALLEL CONNECTED 27.05mm 50.8mm UL; CSA Through Hole 0.688lb 312.07g 63.50mm Lx50.80mm W L63.5XB50.8XH27.05 (mm) Semi-Toroidal 12W 12VA PC Pin 430mA 14V 2 14V 1500Vrms Parallel 860mA Series 430mA 12 VA Dual No Parallel 14V Series 28V
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0.00000000 download Chassis Mount, Flanges Bulk 2007 International High Power Active 1 (Unlimited) Solder EAR99 95.3mm 79.375mm RoHS Compliant 8 95.25mm 73.025mm UL; CSA; TUV Chassis Mount 5.5lbs 2.5kg 79.38mm Lx95.25mm W 73.02mm 79.375mm X 73.025mm X 95.25mm 175W Laminated Core 175W 175VA Solder, Quick Connect 6.25A 4000V 14V 2 14V Parallel 12.5A Series 6.25A 175 VA 115V 230V Dual No Parallel 14V Series 28V
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0.00000000 9 Weeks 2016 Active 1 (Unlimited) EAR99 13.08mm RoHS Compliant WIDTH AND HEIGHT DIMENSION INCLUDES TERMINAL ALSO 15.24mm Surface Mount -40°C~125°C 0.515Lx0.600W 13.08mmx15.24mm 0.451 11.45mm L13.08XB15.24XH11.45 (mm) 7W YES 200kHz 155μH SMPS TRANSFORMER 12V 33V 57V 1 2
BV042-5366.0 BV042-5366.0 Pulse Electronics Power 0.0000
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0.00000000 download Through Hole Obsolete 1 (Unlimited) PC Pin 45.5mm RoHS Compliant Lead Free 1.26mm 38.5mm Through Hole 0.133lb 60.33g 45.50mm Lx38.50mm W 32.00mm Laminated Core 5W 5VA PC Pin 104mA Parallel 208mA Series 104mA 115V 230V Dual Dual No Parallel 24V Series 48V
BV030-7587.0 BV030-7587.0 Pulse Electronics Power 0.0000
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0.00000000 download Through Hole Obsolete 1 (Unlimited) PC Pin 32.5mm RoHS Compliant Lead Free 1.34mm 27.5mm Through Hole 0.133lb 60.33g 32.50mm Lx27.50mm W 34.00mm Laminated Core 2.8W 2.8VA PC Pin 186mA 186mA 230V Single Single No 15V
BV054-5193.0 BV054-5193.0 Pulse Electronics Power 0.0000
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0.00000000 download Through Hole Obsolete 1 (Unlimited) PC Pin 57mm RoHS Compliant Lead Free 1.54mm 48mm Through Hole 0.133lb 60.33g 57.00mm Lx48.00mm W 39.00mm Laminated Core 16W 16VA PC Pin 1.333A 1.333A 230V Single Single No 12V
PA2725NLT PA2725NLT Pulse Electronics Power 0.0000
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0.00000000 11 Weeks Tape & Reel (TR) 2015 Active 1 (Unlimited) EAR99 RoHS Compliant Surface Mount -40°C~130°C 0.551Lx0.516W 14.00mmx13.11mm 0.485 12.32mm 139.5μH SMPS TRANSFORMER
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0.00000000 download 10 Weeks Through Hole 2006 PC Plug-In Active 1 (Unlimited) PC Pin EAR99 41.27mm RoHS Compliant PARALLEL CONNECTED 1.375mm 31.75mm UL; CSA Through Hole 0.313lb 141.97g 41.28mm Lx31.75mm W 34.93mm L41.27XB31.75XH34.92 (mm) 4.4W Laminated Core Unshielded 4.4W 4.4VA PC Pin 125mA 17V 125mA 2 17V 1500Vrms Parallel 250mA Series 125mA 4.4 VA 115V 230V Dual No Parallel 17V Series 34V
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0.00000000 download Through Hole Tray 2006 no Obsolete 1 (Unlimited) Radial EAR99 130°C -40°C 17.78mm 22.86mm Non-RoHS Compliant No 7 200kHz 17.78mm VDE Through Hole 0.900Lx0.700W 22.86mmx17.78mm 0.700 17.78mm Non-Invasive (Solid Core) 20kHz~200kHz PC Pin 20A 5mH PC Pin 1:50 50Ohm 50:1 20A
P8205 P8205 Pulse Electronics Power 0.0000
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P0582NL P0582NL Pulse Electronics Power 0.0000
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0.00000000 11 Weeks Through Hole Tray 2006 THT Active 1 (Unlimited) PC Pin EAR99 130°C -40°C 14.73mm 20.57mm RoHS Compliant 35A No 10 500kHz 19.05mm UL Through Hole 0.011lb 4.99g 0.810Lx0.580W 20.57mmx14.73mm 0.750 19.05mm L20.57XB14.73XH19.05 (mm) Invasive 50kHz~500kHz Unshielded PC Pin 19mH 1.4Ohm Primary 1.7mOhm Secondary PC Pin 3kV 100:1
14A-30-24B29 14A-30-24B29 Pulse Electronics Power 0.0000
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0.00000000 download Through Hole 2009 International PC Plug-In Active 1 (Unlimited) PC Pin EAR99 66.675mm RoHS Compliant 39.6748mm 55.5498mm UL; CSA; TUV Through Hole 1.2lbs 544.3g 66.68mm Lx55.55mm W 39.67mm 8504.31.40.35 66.675mm X 55.5498mm X 39.6748mm 30W Laminated Core 30W 30VA PC Pin 1.25A 4000V 12V 12V Parallel 2.5A Series 1.25A 30 VA 115V 230V Dual Single, Multiple Taps No Parallel 12V Series 24V
PA2047NL PA2047NL Pulse Electronics Power 0.0000
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0.00000000 11 Weeks 2008 Active 1 (Unlimited) EAR99 29.21mm RoHS Compliant LENGTH & HEIGHT DIMENSION INCLUDES TERMINAL ALSO SMD/SMT 21.84mm Surface Mount -40°C~125°C 0.860Lx1.150W 21.84mmx29.21mm 0.450 11.43mm L29.21XB21.84XH11.43 (mm) YES 250kHz 7.2μH SMPS TRANSFORMER 5V 9V 36V 1 2 3.3V
BV020-5372.0 BV020-5372.0 Pulse Electronics Power 0.0000
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0.00000000 download Chassis Mount Obsolete 1 (Unlimited) PC Pin 22mm RoHS Compliant Lead Free 472μm 23mm Chassis Mount 0.077lb 34.93g 22.00mm Lx23.00mm W 19.00mm Laminated Core 500mW 0.5VA PC Pin 42mA 42mA 115V Single Single No 12V
PA3655NL PA3655NL Pulse Electronics Power 0.0000
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0.00000000 11 Weeks Through Hole Tray 2013 Active 1 (Unlimited) PC Pin EAR99 130°C -40°C RoHS Compliant 34A 500kHz Through Hole 0.810Lx0.580W 20.57mmx14.73mm 0.750 19.05mm Invasive 50kHz~500kHz PC Pin 76mH 15.8Ohm Primary 1.7mOhm Secondary PC Pin 200:200 200:200:1
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0.00000000 9 Weeks Through Hole Tray 2007 Active 1 (Unlimited) Radial EAR99 130°C -40°C 14.35mm Non-RoHS Compliant 38A No 4 200kHz 19.05mm VDE Through Hole 0.750Lx0.565W 19.05mmx14.35mm 0.750 19.05mm BULK Invasive 10kHz~200kHz PC Pin 80mH 4.5Ohm Secondary Max PC Pin 1:200 200Ohm 200:1
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0.00000000 Through Hole Tray 2006 THT Active 1 (Unlimited) PC Pin EAR99 22.86mm RoHS Compliant 20A No DUAL PRIMARY 200kHz 17.78mm VDE Through Hole 0.900Lx0.700W 22.86mmx17.78mm 0.700 17.78mm L22.86XB17.78XH17.78 (mm) Invasive 20kHz~200kHz 130°C -40°C PC Pin 5mH 50Ohm Primary 700mOhm Secondary PC Pin 1:50 50CT:1
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0.00000000 9 Weeks Tape & Reel (TR) PA1005QNL Active 1 (Unlimited) EAR99 RoHS Compliant 1MHz Surface Mount 0.284Lx0.330W 7.21mmx8.38mm 20A 0.217 5.50mm AEC-Q200 Invasive 20kHz~1MHz Gull Wing 980μH 0.75mOhm Primary 4.75Ohm Secondary Max 1:70
PA3828NL PA3828NL Pulse Electronics Power 0.0000
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0.00000000 9 Weeks Surface Mount Tray 2014 Active 1 (Unlimited) 130°C -40°C RoHS Compliant 1.280Lx1.280W 32.50mmx32.50mm 0.532 13.50mm Non-Invasive (Split Core) 100A
PE-64487NL PE-64487NL Pulse Electronics Power 0.0000
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0.00000000 9 Weeks Through Hole Tube 2006 THT Active 1 (Unlimited) PC Pin EAR99 130°C -40°C 17.78mm 22.86mm RoHS Compliant 20A No 7 DUAL PRIMARY 200kHz 17.78mm VDE Through Hole 0.900Lx0.700W 22.86mmx17.78mm 0.700 17.78mm Invasive 20kHz~200kHz PC Pin 20mH 100Ohm Primary 1.4Ohm Secondary PC Pin 1:100 100:1
DP241-4-36A17 DP241-4-36A17 Pulse Electronics Power 0.0000
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0.00000000 download Chassis Mount Bulk 2009 Chassis-Tran Active 1 (Unlimited) Quick Connect EAR99 60.45mm RoHS Compliant No HIGH ISOLATION 31.75mm UL; CSA Chassis Mount 0.44lb 199.58g 60.45mm Lx35.05mm W 37.75mm L60.45XB31.75XH35.05 (mm) 6W Laminated Core 6W 6VA Solder, Quick Connect 170mA 36V 2500Vrms 6 VA 115V 230V Dual Single Yes 36V
PE-63588 PE-63588 Pulse Electronics Power 0.0000
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0.00000000 download Through Hole Tray 2006 Obsolete 1 (Unlimited) Radial EAR99 22.86mm Non-RoHS Compliant No 200kHz 17.78mm VDE Through Hole 0.900Lx0.700W 22.86mmx17.78mm 0.700 17.78mm L22.86XB17.78XH17.78 (mm) Non-Invasive (Solid Core) 20kHz~200kHz 130°C -40°C Other Transformers PC Pin POWER 20A 80mH PC Pin 1:200 1 1 200Ohm 20000mA 200:1 20A
P8205NL P8205NL Pulse Electronics Power 0.0000
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0.00000000 Surface Mount 2012 P820X yes Active 1 (Unlimited) EAR99 130°C -40°C 7.21mm 8.38mm RoHS Compliant No 6 LENGHT DIMENSION INCLUDES TERMINAL ALSO 1MHz Surface Mount 0.284Lx0.330W 7.21mmx8.38mm 0.217 5.50mm TRAY L8.38XB7.21XH5.5 (mm) Invasive 20kHz~1MHz Gull Wing 10A 500μH 6mOhm Primary 1.5Ohm Secondary Gull Wing 50:1 10A
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