Voltage Regulators - Switching Regulators

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LM2574x SIMPLE SWITCHER® Voltage Regulators

Texas Instruments LM2574x SIMPLE SWITCHER® Voltage Regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator. These regulators can drive a 0.5A load with excellent line and load regulation. The LM2574x devices are available in fixed output voltages of 3.3V, 5V, 12V, 15V, and an adjustable output version. The Texas Instruments LM2574x voltage regulators offer a high-efficiency replacement for popular three-terminal linear regulators. These voltage regulators feature high-efficiency TTL shutdown capability and dramatically simplify switch-mode power supply design.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package / Case	Topology	Output Voltage	Output Current	Number of Outputs	Quiescent Current	Switching Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574HVMX A 926-LM2574HVMXADJNPB LM2574HVM-ADJ/NOPB Texas Instruments 1: $9.56 19,935In Stock	Mfr. Part # LM2574HVM-ADJ/NOPB Mouser Part # 926-LM2574HVMADJNOPB	Texas Instruments	Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574HVMX A 926-LM2574HVMXADJNPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	19,935In Stock	$9.56 $7.33 $6.58 $6.15 View $5.59 $5.47 $5.41 $5.27 Quote	Min.: 1 Mult.: 1	SMD/SMT	SOIC-Wide-14	Buck	1.23 V to 57 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Tube
Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG LM2574HVN-5.0/NOPB Texas Instruments 1: $12.27 5,242In Stock	Mfr. Part # LM2574HVN-5.0/NOPB Mouser Part # 926-LM2574HVN5.0NOPB	Texas Instruments	Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	5,242In Stock	$12.27 $9.52 $8.54 $7.98 View $7.66 $7.63 $7.46	Min.: 1 Mult.: 1	Through Hole	PDIP-8	Buck	5 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Tube
Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVM15NOPB A A 926-LM2574HVM15NOPB LM2574HVMX-15/NOPB Texas Instruments 1: $8.12 644In Stock	Mfr. Part # LM2574HVMX-15/NOPB Mouser Part # 926-LM2574HVMX15NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVM15NOPB A A 926-LM2574HVM15NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	644In Stock	Cut Tape $8.12 $6.19 $5.70 $5.17 Reel $4.69 View $4.91 $4.77 $4.61 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOIC-Wide-14	Buck, Inverting	15 V	500 mA	1 Output		58 kHz	- 40 C	+ 125 C	LM2574HV	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVM12NOPB A A 926-LM2574HVM12NOPB LM2574HVMX-12/NOPB Texas Instruments 1: $8.14 2,767In Stock	Mfr. Part # LM2574HVMX-12/NOPB Mouser Part # 926-LM2574HVMX12NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVM12NOPB A A 926-LM2574HVM12NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	2,767In Stock	Cut Tape $8.14 $6.21 $5.72 $5.18 Reel $4.45 View $4.92 $4.78 $4.44 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOIC-Wide-14	Buck	12 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574HVMX A 926-LM2574HVMX50NOPB LM2574HVM-5.0/NOPB Texas Instruments 1: $9.56 2,644In Stock	Mfr. Part # LM2574HVM-5.0/NOPB Mouser Part # 926-LM2574HVM5.0NOPB	Texas Instruments	Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574HVMX A 926-LM2574HVMX50NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	2,644In Stock	$9.56 $7.60 $6.44 $6.15 View $5.86 $5.67 $5.62 $5.54	Min.: 1 Mult.: 1	SMD/SMT	SOIC-Wide-14	Buck	5 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Tube
Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574MX33 A 926-LM2574MX33NOPB LM2574M-3.3/NOPB Texas Instruments 1: $5.05 2,567In Stock	Mfr. Part # LM2574M-3.3/NOPB Mouser Part # 926-LM2574M-3.3/NOPB	Texas Instruments	Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574MX33 A 926-LM2574MX33NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	2,567In Stock	$5.05 $3.80 $2.97 $2.79 View $2.68 $2.64 $2.55	Min.: 1 Mult.: 1	SMD/SMT	SOIC-Wide-14	Buck	3.3 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574	Tube
Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574M-5. A 926-LM2574M-5.0/NOPB LM2574MX-5.0/NOPB Texas Instruments 1: $4.32 2,071In Stock 6,000Expected 2026-11-19	Mfr. Part # LM2574MX-5.0/NOPB Mouser Part # 926-LM2574MX-5.0NOPB	Texas Instruments	Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574M-5. A 926-LM2574M-5.0/NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	2,071In Stock 6,000Expected 2026-11-19	Cut Tape $4.32 $3.23 $2.97 $2.59 Reel $2.33 View $2.52 $2.48 $2.26 $2.22 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOIC-Wide-14	Buck	5 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 0.5A SD Vtg Reg LM2574N-3.3/NOPB Texas Instruments 1: $5.85 880In Stock	Mfr. Part # LM2574N-3.3/NOPB Mouser Part # 926-LM2574N-33/NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD Vtg Reg Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	880In Stock	$5.85 $4.42 $3.92 $3.61 View $3.40 $3.33 $3.20 $3.12	Min.: 1 Mult.: 1	Through Hole	PDIP-8	Buck	3.3 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574	Tube
Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVM5.0NOPB A 926-LM2574HVM5.0NOPB LM2574HVMX-5.0/NOPB Texas Instruments 1: $8.12 855In Stock 4,000Expected 2026-11-19	Mfr. Part # LM2574HVMX-5.0/NOPB Mouser Part # 926-LM2574HVMX50NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVM5.0NOPB A 926-LM2574HVM5.0NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	855In Stock 4,000Expected 2026-11-19	Cut Tape $8.12 $6.19 $5.70 $5.17 Reel $4.69 View $4.91 $4.77 $4.65 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOIC-Wide-14	Buck	5 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVMADJNOPB A 926-LM2574HVMADJNOPB LM2574HVMX-ADJ/NOPB Texas Instruments 1: $8.19 3,909In Stock	Mfr. Part # LM2574HVMX-ADJ/NOPB Mouser Part # 926-LM2574HVMXADJNPB	Texas Instruments	Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVMADJNOPB A 926-LM2574HVMADJNOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	3,909In Stock	Cut Tape $8.19 $6.26 $5.77 $5.27 View Reel $4.69 $5.10 $4.69 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOIC-Wide-14	Buck	1.23 V to 57 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574M-12/NOPB A A 926-LM2574M-12/NOPB LM2574MX-12/NOPB Texas Instruments 1: $4.32 1,842In Stock	Mfr. Part # LM2574MX-12/NOPB Mouser Part # 926-LM2574MX-12/NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574M-12/NOPB A A 926-LM2574M-12/NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	1,842In Stock	Cut Tape $4.32 $3.23 $2.97 $2.66 Reel $2.19 View $2.52 $2.48 $2.16 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOIC-Wide-14	Buck	12 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 0.5A SD Vtg Reg LM2574N-12/NOPB Texas Instruments 1: $5.85 849In Stock	Mfr. Part # LM2574N-12/NOPB Mouser Part # 926-LM2574N-12/NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD Vtg Reg Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	849In Stock	$5.85 $4.42 $3.92 $3.61 View $3.46 $3.36 $3.17 $3.15	Min.: 1 Mult.: 1	Through Hole	PDIP-8	Buck	12 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574	Tube
Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVMX15NOPB A 926-LM2574HVMX15NOPB LM2574HVM-15/NOPB Texas Instruments 1: $9.56 201In Stock	Mfr. Part # LM2574HVM-15/NOPB Mouser Part # 926-LM2574HVM15NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVMX15NOPB A 926-LM2574HVMX15NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	201In Stock	$9.56 $7.60 $6.44 $6.15 View $5.86 $5.67 $5.62 $5.54	Min.: 1 Mult.: 1	SMD/SMT	SOIC-Wide-14	Buck	15 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Tube
Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574HVMX A 926-LM2574HVMX33NOPB LM2574HVM-3.3/NOPB Texas Instruments 1: $9.55 138In Stock	Mfr. Part # LM2574HVM-3.3/NOPB Mouser Part # 926-LM2574HVM3.3NOPB	Texas Instruments	Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574HVMX A 926-LM2574HVMX33NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	138In Stock	$9.55 $7.32 $6.75 $6.15 View $5.86 $5.67 $5.62 $5.54	Min.: 1 Mult.: 1	SMD/SMT	SOIC-Wide-14	Buck	3.3 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Tube
Switching Voltage Regulators SIMPLE SWITCHER 0.5A Step-Down Voltage R A 926-LM2574HVM3.3NOPB LM2574HVMX-3.3/NOPB Texas Instruments 1: $5.93 416In Stock 2,000Expected 2026-11-19	Mfr. Part # LM2574HVMX-3.3/NOPB Mouser Part # 926-LM2574HVMX33NOPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER 0.5A Step-Down Voltage R A 926-LM2574HVM3.3NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	416In Stock 2,000Expected 2026-11-19	Cut Tape $5.93 $4.77 $4.49 $4.13 Reel $4.12 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOIC-Wide-14	Buck	3.3 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 0.5A SD Vtg Reg LM2574HVN-15/NOPB Texas Instruments 1: $12.27 155In Stock	Mfr. Part # LM2574HVN-15/NOPB Mouser Part # 926-LM2574HVN15NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD Vtg Reg Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	155In Stock	$12.27 $9.52 $8.54 $7.98 View $7.50 $7.33 $7.17 Quote	Min.: 1 Mult.: 1	Through Hole	PDIP-8	Buck	15 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Tube
Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574MX-5 A 926-LM2574MX-5.0NOPB LM2574M-5.0/NOPB Texas Instruments 1: $5.05 743In Stock	Mfr. Part # LM2574M-5.0/NOPB Mouser Part # 926-LM2574M-5.0/NOPB	Texas Instruments	Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574MX-5 A 926-LM2574MX-5.0NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	743In Stock	$5.05 $3.80 $3.28 $3.12 View $2.97 $2.87 $2.79 $2.69 $2.65	Min.: 1 Mult.: 1	SMD/SMT	SOIC-Wide-14	Buck	5 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574	Tube
Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574M-3.3/NOPB A 926-LM2574M-3.3/NOPB LM2574MX-3.3/NOPB Texas Instruments 1: $4.15 233In Stock 4,000Expected 2026-12-14	Mfr. Part # LM2574MX-3.3/NOPB Mouser Part # 926-LM2574MX33NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574M-3.3/NOPB A 926-LM2574M-3.3/NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	233In Stock 4,000Expected 2026-12-14	Cut Tape $4.15 $3.14 $2.88 $2.61 Reel $2.40 View $2.46 $2.40 $2.32 $2.19 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOIC-Wide-14	Buck	3.3 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 0.5A SD Vtg Reg A 92 6-LM2574HVMX12NOPB A 926-LM2574HVMX12NOPB LM2574HVM-12/NOPB Texas Instruments 1: $9.56 342In Stock	Mfr. Part # LM2574HVM-12/NOPB Mouser Part # 926-LM2574HVM12NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD Vtg Reg A 92 6-LM2574HVMX12NOPB A 926-LM2574HVMX12NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	342In Stock	$9.56 $7.60 $6.44 $6.15 View $5.86 $5.67 $5.62 $5.54	Min.: 1 Mult.: 1	SMD/SMT	SOIC-Wide-14	Buck, Inverting	12 V	500 mA	1 Output		58 kHz	- 40 C	+ 125 C	LM2574HV	Tube
Switching Voltage Regulators 0.5A SD VTG Reg LM2574HVN-12/NOPB Texas Instruments 1: $12.27 89In Stock 240Expected 2026-11-09	Mfr. Part # LM2574HVN-12/NOPB Mouser Part # 926-LM2574HVN12NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD VTG Reg Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	89In Stock 240Expected 2026-11-09	$12.27 $9.52 $8.21 $7.98 View $7.33 $7.16 $7.00 $6.81	Min.: 1 Mult.: 1	Through Hole	PDIP-8	Buck	12 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Tube
Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG LM2574HVN-ADJ/NOPB Texas Instruments 1: $12.27 53In Stock 1,040Expected 2027-03-15	Mfr. Part # LM2574HVN-ADJ/NOPB Mouser Part # 926-LM2574HVNADJNOPB	Texas Instruments	Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	53In Stock 1,040Expected 2027-03-15	$12.27 $9.52 $8.54 $7.98 View $7.83 $7.33 $7.17 Quote	Min.: 1 Mult.: 1	Through Hole	PDIP-8	Buck	1.23 V to 57 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Tube
Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574MX-12/NOPB A 926-LM2574MX-12/NOPB LM2574M-12/NOPB Texas Instruments 1: $5.05 439In Stock	Mfr. Part # LM2574M-12/NOPB Mouser Part # 926-LM2574M-12/NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574MX-12/NOPB A 926-LM2574MX-12/NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	439In Stock	$5.05 $3.80 $3.25 $3.02 View $2.88 $2.81 $2.68	Min.: 1 Mult.: 1	SMD/SMT	SOIC-Wide-14	Buck	12 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574	Tube
Switching Voltage Regulators 0.5A SD Vtg Reg A 92 6-LM2574MX-ADJNOPB A 926-LM2574MX-ADJNOPB LM2574M-ADJ/NOPB Texas Instruments 1: $5.21 728In Stock 10,100On Order	Mfr. Part # LM2574M-ADJ/NOPB Mouser Part # 926-LM2574M-ADJ/NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD Vtg Reg A 92 6-LM2574MX-ADJNOPB A 926-LM2574MX-ADJNOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	728In Stock 10,100On Order On Order Ship Dates Mfr. #: LM2574M-ADJ/NOPB Stock: 728 Can Ship Immediately On Order: 3,150 Expected 2027-11-29 6,950 Expected 2028-03-20 Factory Lead-Time: 20 Weeks	$5.21 $3.89 $3.54 $3.21 View $3.04 $2.94 $2.85 $2.66 $2.61	Min.: 1 Mult.: 1	SMD/SMT	SOIC-Wide-14	Buck	1.23 V to 37 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574	Tube
Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574M-AD A 926-LM2574M-ADJ/NOPB LM2574MX-ADJ/NOPB Texas Instruments 1: $4.41 90In Stock 16,000On Order	Mfr. Part # LM2574MX-ADJ/NOPB Mouser Part # 926-LM2574MX-ADJNOPB	Texas Instruments	Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574M-AD A 926-LM2574M-ADJ/NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	90In Stock 16,000On Order On Order Ship Dates Mfr. #: LM2574MX-ADJ/NOPB Stock: 90 Can Ship Immediately On Order: 8,000 Expected 2027-04-01 8,000 Expected 2027-05-24 Factory Lead-Time: 20 Weeks	Cut Tape $4.41 $3.30 $3.02 $2.71 Reel $2.40 View $2.56 $2.52 $2.32 $2.29 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOIC-Wide-14	Buck	1.23 V to 37 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG LM2574N-5.0/NOPB Texas Instruments 1: $5.85 508In Stock 2,120Expected 2026-11-19	Mfr. Part # LM2574N-5.0/NOPB Mouser Part # 926-LM2574N-5.0/NOPB	Texas Instruments	Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	508In Stock 2,120Expected 2026-11-19	$5.85 $4.42 $3.83 $3.53 View $3.37 $3.33 $3.12 $3.11	Min.: 1 Mult.: 1	Through Hole	PDIP-8	Buck	5 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574	Tube

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