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21 mm Power

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 5.0 V 6 A POE300F-50LD Coilcraft 1: $7.47 570In Stock	Mfr. Part No. POE300F-50LD Mouser Part No 994-POE300F-50LD	Coilcraft	Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 5.0 V 6 A Learn More about Coilcraft poe300f flyback transformers	Datasheet	570In Stock	Cut Tape $7.47 $5.80 $5.56 $5.40 Reel $5.01 View $5.22 $4.85 $4.70 MouseReel Available	Min.: 1 Mult.: 1 : 175
Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 24 V 1.25 A POE300F-24LD Coilcraft 1: $7.47 419In Stock	Mfr. Part No. POE300F-24LD Mouser Part No 994-POE300F-24LD	Coilcraft	Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 24 V 1.25 A Learn More about Coilcraft poe300f flyback transformers	Datasheet	419In Stock	Cut Tape $7.47 $5.90 Reel $5.01 $4.85 $4.70 MouseReel Available	Min.: 1 Mult.: 1 : 175
Audio Transformers / Signal Transformers NA5730 SMT Flyback For TI TPS23751/2 NA5730-ALD Coilcraft 1: $6.97 51In Stock	Mfr. Part No. NA5730-ALD Mouser Part No 994-NA5730-ALD	Coilcraft	Audio Transformers / Signal Transformers NA5730 SMT Flyback For TI TPS23751/2 Learn More about Coilcraft power magnetics	Datasheet	51In Stock	Cut Tape $6.97 $5.40 $5.19 $5.04 Reel $4.68 View $4.87 $4.52 $4.38 MouseReel Available	Min.: 1 Mult.: 1 : 175
Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 19.5 V 1.5 A POE300F-19LD Coilcraft 1: $7.47 144In Stock	Mfr. Part No. POE300F-19LD Mouser Part No 994-POE300F-19LD	Coilcraft	Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 19.5 V 1.5 A Learn More about Coilcraft poe300f flyback transformers	Datasheet	144In Stock	Cut Tape $7.47 $5.80 $5.56 $5.40 Reel $5.01 View $5.22 $4.85 $4.70 MouseReel Available	Min.: 1 Mult.: 1 : 175
Power Transformers - Board Mount WE-FLEX W/Air Gap 9.9uH 1.17A 749196510 Wurth Elektronik 1: $10.33 159In Stock	Mfr. Part No. 749196510 Mouser Part No 710-749196510	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 9.9uH 1.17A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	159In Stock	Cut Tape $10.33 $10.25 $9.71 Reel $8.73 $7.98	Min.: 1 Mult.: 1 : 120
Power Transformers - Board Mount Planar transformer, 60W, ER20, Vout 5V PLN060-ER20A05S Bourns 1: $8.68 1,169In Stock	Mfr. Part No. PLN060-ER20A05S Mouser Part No 652-PLN060-ER20A05S	Bourns	Power Transformers - Board Mount Planar transformer, 60W, ER20, Vout 5V Learn More about Bourns pln0x er20 planar transformers	Datasheet	1,169In Stock	Cut Tape $8.68 $7.70 $7.40 $7.16 View Reel $6.14 $6.83 $6.66 $6.29 $6.14 MouseReel Available	Min.: 1 Mult.: 1 : 800
Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 12 V 2.5 A POE300F-12LD Coilcraft 1: $7.47 707In Stock	Mfr. Part No. POE300F-12LD Mouser Part No 994-POE300F-12LD	Coilcraft	Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 12 V 2.5 A Learn More about Coilcraft poe300f flyback transformers	Datasheet	707In Stock	Cut Tape $7.47 $5.80 $5.56 $5.40 Reel $5.01 View $5.22 $4.85 $4.70 MouseReel Available	Min.: 1 Mult.: 1 : 175
Power Transformers - Board Mount Planar transformer, 71W, ER20, Vout 12V PLN071-ER20A12S Bourns 1: $9.01 129In Stock	Mfr. Part No. PLN071-ER20A12S Mouser Part No 652-PLN071-ER20A12S	Bourns	Power Transformers - Board Mount Planar transformer, 71W, ER20, Vout 12V Learn More about Bourns pln0x er20 planar transformers	Datasheet	129In Stock	Cut Tape $9.01 $7.98 $7.65 $6.73 Reel $6.72 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 800
Power Transformers - Board Mount WE-FLEX W/Air Gap 3.4uH 4.18A 749196540 Wurth Elektronik 1: $9.50 323In Stock	Mfr. Part No. 749196540 Mouser Part No 710-749196540	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 3.4uH 4.18A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	323In Stock	Cut Tape $9.50 $7.21 $6.45 Reel $5.26	Min.: 1 Mult.: 1 : 120
Power Transformers - Board Mount WE-FLEX W/Air Gap 9.7uH 2.20A 749196531 Wurth Elektronik 1: $9.50 69In Stock	Mfr. Part No. 749196531 Mouser Part No 710-749196531	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 9.7uH 2.20A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	69In Stock	Cut Tape $9.50 $9.02 Reel $8.55	Min.: 1 Mult.: 1 : 120
Supercapacitors / Ultracapacitors 5.5V .22F -20/80% LS=5.08mm FR0H224ZF KEMET 1: $9.13 3In Stock	Mfr. Part No. FR0H224ZF Mouser Part No 80-FR0H224ZF	KEMET	Supercapacitors / Ultracapacitors 5.5V .22F -20/80% LS=5.08mm Learn More about KEMET fr supercapacitors	Datasheet	3In Stock	$9.13 $6.82 $6.01 $5.38 $4.97	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors 2.5F 5.5V 30%/-10% Dual Cell DGH255Q5R5 Knowles / Illinois Capacitor 1: $3.92 1,614In Stock	Mfr. Part No. DGH255Q5R5 Mouser Part No 598-DGH255Q5R5	Knowles / Illinois Capacitor	Supercapacitors / Ultracapacitors 2.5F 5.5V 30%/-10% Dual Cell Learn More about Knowles / Illinois Capacitor cde dgh supercapacitors	Datasheet	1,614In Stock	$3.92 $2.86 $2.40 $2.38 View $2.13 Quote	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors 3.5F 5.5V 30%/-10% Dual Cell DGH355Q5R5 Knowles / Illinois Capacitor 1: $5.76 346In Stock	Mfr. Part No. DGH355Q5R5 Mouser Part No 598-DGH355Q5R5	Knowles / Illinois Capacitor	Supercapacitors / Ultracapacitors 3.5F 5.5V 30%/-10% Dual Cell Learn More about Knowles / Illinois Capacitor cde dgh supercapacitors	Datasheet	346In Stock	$5.76 $4.19 $3.57 $3.37 View $3.05 $2.94 $2.85 Quote	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors 2.5F 6.0V 112123 DSF255Q6R0JBE Knowles / Illinois Capacitor 1: $4.90 233In Stock 1,800Expected 2026/10/26	Mfr. Part No. DSF255Q6R0JBE Mouser Part No 598-DSF255Q6R0JBE	Knowles / Illinois Capacitor	Supercapacitors / Ultracapacitors 2.5F 6.0V 112123 Learn More about Knowles / Illinois Capacitor cde dsf 3v supercapacitors	Datasheet	233In Stock 1,800Expected 2026/10/26	$4.90 $3.48 $2.97 $2.66 View $2.47 $2.40 $2.30 $2.16 Quote	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors 3.5F 6.0V 112127 DSF355Q6R0JBF Knowles / Illinois Capacitor 1: $5.76 423In Stock 300Expected 2026/09/30	Mfr. Part No. DSF355Q6R0JBF Mouser Part No 598-DSF355Q6R0JBF	Knowles / Illinois Capacitor	Supercapacitors / Ultracapacitors 3.5F 6.0V 112127 Learn More about Knowles / Illinois Capacitor cde dsf 3v supercapacitors	Datasheet	423In Stock 300Expected 2026/09/30	$5.76 $3.73 $3.28 $3.11 View $2.73 $2.64 $2.47 $2.41	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors 5F 6.0V 112132 DSF505Q6R0JBG Knowles / Illinois Capacitor 1: $7.22 23In Stock 450Expected 2026/10/26	Mfr. Part No. DSF505Q6R0JBG Mouser Part No 598-DSF505Q6R0JBG	Knowles / Illinois Capacitor	Supercapacitors / Ultracapacitors 5F 6.0V 112132 Learn More about Knowles / Illinois Capacitor cde dsf 3v supercapacitors	Datasheet	23In Stock 450Expected 2026/10/26	$7.22 $4.58 $4.57 $4.29 View $3.90 $3.87 Quote	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors 0.50F, 8.1V, 21x20x6.5mm DGH504M8R1 Knowles / Illinois Capacitor 1: $5.26 457In Stock	Mfr. Part No. DGH504M8R1 Mouser Part No 598-DGH504M8R1	Knowles / Illinois Capacitor	Supercapacitors / Ultracapacitors 0.50F, 8.1V, 21x20x6.5mm Learn More about Knowles / Illinois Capacitor illinois capacitor supercapacitors	Datasheet	457In Stock	$5.26 $3.74 $3.20 $2.90 View $2.54 $2.43 $2.33 $2.30 Quote	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors 0.50F, 9V, 21x20x6.5mm DSF504M9R0ZBN Knowles / Illinois Capacitor 1: $5.57 441In Stock	Mfr. Part No. DSF504M9R0ZBN Mouser Part No 598-DSF504M9R0ZBN	Knowles / Illinois Capacitor	Supercapacitors / Ultracapacitors 0.50F, 9V, 21x20x6.5mm Learn More about Knowles / Illinois Capacitor illinois capacitor supercapacitors	Datasheet	441In Stock	$5.57 $3.97 $3.40 $3.07 View $2.85 $2.76 $2.47	Min.: 1 Mult.: 1
Power Transformers - Board Mount WE-FLEX W/Air Gap 12.0uH 1.73A 749196521 Wurth Elektronik 1: $10.33 239Expected 2026/10/02	Mfr. Part No. 749196521 Mouser Part No 710-749196521	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 12.0uH 1.73A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	239Expected 2026/10/02	Cut Tape $10.33 $10.26 $9.72 Reel $9.20 $8.41	Min.: 1 Mult.: 1 : 120
Supercapacitors / Ultracapacitors Eaton TV Supercapacitor, 3V, 3.3F, 75 mohm TV0820-3R0335-R Eaton Electronics 1: $2.62 900On Order	Mfr. Part No. TV0820-3R0335-R Mouser Part No 504-TV0820-3R0335-R	Eaton Electronics	Supercapacitors / Ultracapacitors Eaton TV Supercapacitor, 3V, 3.3F, 75 mohm Learn More about Eaton Electronics eaton tv supercapacitors	Datasheet	900On Order	$2.62 $1.80 $1.78 $1.57	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors SCPA Supercapacitor 4.20V 220mF 3-153-407 Schurter 1: $12.84 198Expected 2026/10/15 New Product	Mfr. Part No. 3-153-407 Mouser Part No 693-3-153-407 New Product	Schurter	Supercapacitors / Ultracapacitors SCPA Supercapacitor 4.20V 220mF Learn More about Schurter scpx prismatic supercaps	Datasheet	198Expected 2026/10/15	$12.84 $10.11 $9.04 $8.71	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors SCPA Supercapacitor 4.20V 470mF 3-153-408 Schurter 1: $13.98 498Expected 2026/10/15 New Product	Mfr. Part No. 3-153-408 Mouser Part No 693-3-153-408 New Product	Schurter	Supercapacitors / Ultracapacitors SCPA Supercapacitor 4.20V 470mF Learn More about Schurter scpx prismatic supercaps	Datasheet	498Expected 2026/10/15	$13.98 $10.85 $9.61 $9.25 $8.71	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors SCPA Supercapacitor 5.50V 470mF 3-153-410 Schurter 1: $14.26 650On Order New Product	Mfr. Part No. 3-153-410 Mouser Part No 693-3-153-410 New Product	Schurter	Supercapacitors / Ultracapacitors SCPA Supercapacitor 5.50V 470mF Learn More about Schurter scpx prismatic supercaps	Datasheet	650On Order On Order Ship Dates Mfr. No: 3-153-410 Stock: 0 On Order: 250 Expected 2026/10/15 400 Expected 2026/11/02 Factory Lead Time: 24 Weeks	$14.26 $11.06 $9.78 $9.39 View $8.71 $8.70	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers A9967 Flybck Trnsfmr For Linear LT1725 A9967-ALD Coilcraft 1: $6.05 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. A9967-ALD Mouser Part No 994-A9967-ALD	Coilcraft	Audio Transformers / Signal Transformers A9967 Flybck Trnsfmr For Linear LT1725 Learn More about Coilcraft power magnetics	Datasheet	Non-Stocked Lead-Time 7 Weeks	Cut Tape $6.05 $4.57 $4.35 $4.08 Reel $3.73 View $3.90 $3.62 $3.50 MouseReel Available	Min.: 1 Mult.: 1 : 175
Audio Transformers / Signal Transformers C1023 Flybck Trnsfmr For TI LM5070 C1023-ALD Coilcraft 175: $4.93 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. C1023-ALD Mouser Part No 994-C1023-ALD	Coilcraft	Audio Transformers / Signal Transformers C1023 Flybck Trnsfmr For TI LM5070 Learn More about Coilcraft power magnetics	Datasheet	Non-Stocked Lead-Time 7 Weeks	Reel $4.93 $4.78 $4.63	Min.: 175 Mult.: 175 : 175

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