DRA73 Search Results

DRA73 Datasheets (23)

Filter by Manufacturer

Cooper Bussmann

Part	Manufacturer	Description	Datasheet Type	PDF	Page count
DRA73-100-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 10UH 2.11A SMD	Original	PDF	8
DRA73-101-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 100UH .682A SMD	Original	PDF	8
DRA73-102-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCT HI TEMP 1000UH .235A SMD	Original	PDF	8
DRA73-150-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 15UH 1.74A SMD	Original	PDF	8
DRA73-151-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 150UH .551A SMD	Original	PDF	8
DRA73-1R0-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 1.0UH 6.5A SMD	Original	PDF	8
DRA73-1R5-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 1.5UH 5.39A SMD	Original	PDF	8
DRA73-220-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 22UH 1.42A SMD	Original	PDF	8
DRA73-221-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 220UH .479A SMD	Original	PDF	8
DRA73-2R2-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 2.2UH 4.18A SMD	Original	PDF	8
DRA73-330-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 33UH 1.25A SMD	Original	PDF	8
DRA73-331-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 330UH .391A SMD	Original	PDF	8
DRA73-3R3-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 3.3UH 3.59A SMD	Original	PDF	8
DRA73-470-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 47UH 1.02A SMD	Original	PDF	8

DRA73-471-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 470UH .326A SMD	Original	PDF	8
DRA73-4R7-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 4.7UH 2.92A SMD	Original	PDF	8
DRA73-680-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 68UH .845A SMD	Original	PDF	8
DRA73-681-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 680UH .270A SMD	Original	PDF	8
DRA73-6R8-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 6.8UH 2.62A SMD	Original	PDF	8
DRA73-820-R	Cooper Bussmann	Fixed Inductors, Inductors, Coils, Chokes, INDUCTOR HI TEMP 82UH .731A SMD	Original	PDF	8

DRA73 Price and Stock

Filter by Manufacturer

Eaton Corporation


Eaton Corporation DRA73-330-R Inductor Power Shielded Drum Core 31.84uH/33uH 20% 100KHz Ferrite 1.25A 0.219Ohm DCR Automotive AEC-Q200 T/R
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
Verical ()	DRA73-330-R		48,600		1,350	1 - 10 - 100 - 1000 - 10000 $1.23	Buy Now
	DRA73-330-R		500		250	1 - 10 - 100 - 1000 $2.25 10000 $2.25	Buy Now
	DRA73-330-R		10		5	1 - 10 $1.27 100 $1.27 1000 $1.27 10000 $1.27	Buy Now
Mouser Electronics	DRA73-330-R		1,509			1 $1.13 10 $0.93 100 $0.76 1000 $0.66 10000 $0.61	Buy Now
Arrow Electronics	DRA73-330-R	Cut Strips	10	20 Weeks	1	1 $1.27 10 $1.25 100 $1.25 1000 $1.25 10000 $1.25	Buy Now
TTI	DRA73-330-R	Reel			1,350	1 - 10 - 100 - 1000 - 10000 $0.61	Buy Now
Bristol Electronics	DRA73-330-R		8		1	1 $1.31 10 $1.31 100 $1.31 1000 $1.31 10000 $1.31	Buy Now

Quest Components	DRA73-330-R		6			1 $1.75 10 $1.40 100 $1.40 1000 $1.40 10000 $1.40	Buy Now
Eaton Corporation DRA73-100-R Inductor Power Shielded Drum Core 10.27uH/10uH 20% 100KHz Ferrite 2.11A 0.077Ohm DCR Automotive AEC-Q200 T/R
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
Verical ()	DRA73-100-R		47,250		1,350	1 - 10 - 100 - 1000 - 10000 $1.25	Buy Now
	DRA73-100-R		6,750		1,350	1 - 10 - 100 - 1000 - 10000 $0.52	Buy Now
	DRA73-100-R		250		250	1 - 10 - 100 - 1000 $1.58 10000 $1.58	Buy Now
	DRA73-100-R		96		6	1 - 10 $1.34 100 $1.34 1000 $1.34 10000 $1.34	Buy Now
Mouser Electronics	DRA73-100-R		1,069			1 $1.14 10 $0.94 100 $0.77 1000 $0.67 10000 $0.56	Buy Now
Arrow Electronics	DRA73-100-R		6,750	20 Weeks	1,350	1 - 10 - 100 - 1000 - 10000 $0.51	Buy Now
TTI	DRA73-100-R	Reel			1,350	1 - 10 - 100 - 1000 - 10000 $1.19	Buy Now
Avnet Asia	DRA73-100-R			19 Weeks, 6 Days	1,350	1 - 10 - 100 - 1000 - 10000 -	Get Quote
Eaton Corporation DRA73-221-R Inductor Power Shielded Drum Core 218.8uH/220uH 20% 100KHz Ferrite 0.479A 1.48Ohm DCR Automotive AEC-Q200 T/R
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
Verical ()	DRA73-221-R		35,100		1,350	1 - 10 - 100 - 1000 - 10000 $1.50	Buy Now
	DRA73-221-R		9,450		1,350	1 - 10 - 100 - 1000 - 10000 $1.50	Buy Now
Avnet Americas	DRA73-221-R	Tape & Reel		17 Weeks, 6 Days	1,350	1 - 10 - 100 - 1000 - 10000 $1.61	Buy Now
Mouser Electronics	DRA73-221-R		3,746			1 $1.41 10 $1.20 100 $0.85 1000 $0.74 10000 $0.63	Buy Now
TTI	DRA73-221-R	Reel	2,700		1,350	1 - 10 - 100 - 1000 - 10000 $0.65	Buy Now
Richardson RFPD	DRA73-221-R				1,350	1 $1.52 10 $1.52 100 $1.52 1000 $1.52 10000 $1.52	Buy Now

Avnet Abacus	DRA73-221-R	Tape & Reel	4,050	27 Weeks	1,350	1 - 10 - 100 - 1000 - 10000 -	Buy Now
Eaton Corporation DRA73-2R2-R Inductor Power Shielded Drum Core 2.52uH/2.2uH 20% 100KHz Ferrite 4.18A 0.019Ohm DCR Automotive AEC-Q200 T/R
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
Verical ()	DRA73-2R2-R		24,300		1,350	1 - 10 - 100 - 1000 - 10000 $1.46	Buy Now
	DRA73-2R2-R		45		45	1 - 10 - 100 $0.94 1000 $0.94 10000 $0.94	Buy Now
Avnet Americas	DRA73-2R2-R	Tape & Reel		17 Weeks, 6 Days	1,350	1 - 10 - 100 - 1000 - 10000 $1.57	Buy Now
Mouser Electronics	DRA73-2R2-R		654			1 $1.35 10 $1.20 100 $0.81 1000 $0.71 10000 $0.66	Buy Now
Arrow Electronics	DRA73-2R2-R		45		45	1 - 10 - 100 $0.84 1000 $0.77 10000 $0.77	Buy Now
Richardson RFPD	DRA73-2R2-R				1,350	1 $1.48 10 $1.48 100 $1.48 1000 $1.48 10000 $1.48	Buy Now

Chip 1 Exchange	DRA73-2R2-R		2,700			1 - 10 - 100 - 1000 - 10000 -	Get Quote
Avnet Abacus	DRA73-2R2-R	Tape & Reel		27 Weeks	1,350	1 - 10 - 100 - 1000 - 10000 -	Get Quote
Eaton Corporation DRA73-220-R Inductor Power Shielded Drum Core 22.39uH/22uH 20% 100KHz Ferrite 1.42A 0.17Ohm DCR Automotive AEC-Q200 T/R
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
Verical	DRA73-220-R		4,050		1,350	1 - 10 - 100 - 1000 - 10000 $1.48	Buy Now
Avnet Americas	DRA73-220-R	Tape & Reel		17 Weeks, 6 Days	1,350	1 - 10 - 100 - 1000 - 10000 $1.60	Buy Now
Mouser Electronics	DRA73-220-R		1,439			1 $1.41 10 $1.20 100 $0.85 1000 $0.74 10000 $0.59	Buy Now
TTI	DRA73-220-R	Reel			1,350	1 - 10 - 100 - 1000 - 10000 $1.43	Buy Now
Quest Components	DRA73-220-R		76			1 $3.84 10 $2.82 100 $2.56 1000 $2.56 10000 $2.56	Buy Now

Richardson RFPD	DRA73-220-R				1,350	1 $1.50 10 $1.50 100 $1.50 1000 $1.50 10000 $1.50	Buy Now
Avnet Abacus	DRA73-220-R	Tape & Reel		27 Weeks	1,350	1 - 10 - 100 - 1000 - 10000 -	Get Quote

Find more DRA73 price and stock on Findchips.com

DRA73 Datasheets Context Search

Catalog Datasheet	Type	Document Tags	PDF
Contextual Info: Technical Data 4319 Effective February 2014 DRA73, DRA74, DRA124, DRA125 & DRA127 Series High Power Density, High Efficiency Shielded Inductors for Automotive Applications Applications • Automotive electronics under hood, interior/ exterior • Telematics	Original	dra73 dra74 dra124 dra125 +4dra127 j-std-020d aec-q200 bu-sb14110	PDF
C3216X7R1E475KT Abstract: 12v to 3.7v converter data sheet 2a LTC3642 LTC3642-5 Contextual Info: LTC3642 High Efficiency, High Voltage 50mA Synchronous Step-Down Converter DESCRIPTION FEATURES n n n n n n n n n n n n n n Wide Input Voltage Range: 4.5V to 45V Tolerant of 60V Input Transients Internal High Side and Low Side Power Switches No Compensation Required	Original	ltc3642 dfn10 dfn16 tssop16e +5qfn24 msop10e c3216x7r1e475kt 12v to 3.7v converter data sheet 2a ltc3642-5	PDF
LTC3642 Abstract: LTC3642-5 ltdth LTC3631-3 78uF 150uH Contextual Info: LTC3642 High Efficiency, High Voltage 50mA Synchronous Step-Down Converter DESCRIPTION FEATURES Wide Input Voltage Range: 4.5V to 45V Tolerant of 60V Input Transients Internal High Side and Low Side Power Switches No Compensation Required 50mA Output Current	Original	ltc3642 dfn10 tssop16e msop10e +63642fc ltc3642-5 ltdth ltc3631-3 78uf 150uh	PDF
Contextual Info: LT3507 Triple Monolithic Step-Down Regulator with LDO DESCRIPTION FEATURES n n n n n n n n n Wide Input Range: 4V to 36V One 2.4A and Two 1.5A Output Switching Regulators with Internal Power Switches Low Dropout Linear Regulator with External Transistor Antiphase Switching Reduces Ripple	Original	lt3507 250khz 38-lead dfn-10 +3msop-10e lt3685 3507fa	PDF
ceramic capacitor 0.1 aec Abstract: A4407 Contextual Info: A4407 2.2 MHz Constant On-Time Buck Regulator With Two External and Two Internal Linear Regulators Features and Benefits Description • AEC Q100 Grade 0 qualified • Internal buck pre-regulator followed by LDO outputs • 5.5 to 36 V VIN operating range 50 V maximum ;	Original	a4407 ceramic capacitor 0.1 aec	PDF
Contextual Info: DRA Series High Power Density, High Efficiency, Shielded Inductors Magnetics Solutions For Automotive Applications Description • 165°C maximum total temperature operation • Five sizes of Automotive grade shielded drum core inductors • Inductance range from 0.28uH to 1000uH	Original	1000uh	PDF
pulse generator crank Contextual Info: A4405 Constant On-Time Buck Regulator With One External and Two Internal Linear Regulators Features and Benefits Description • AEC Q100 Grade 0 qualified • Internal buck pre-regulator followed by LDO outputs • 5.5 to 36 V VIN operating range 50 V maximum ;	Original	a4405 pulse generator crank	PDF
panasonic inverter dv 707 manual Abstract: 018T A423 Mosfet FTR 03-E Arcotronics 1.27.6 nsl 7053 mkp DX 3500 manual Honeywell DBM 01A Polyester capacitors 823k 250V SPRAGUE powerlytic 36Dx sprague 68D Contextual Info: PASSIVE COMPONENTS Resistors Networks and Arrays Bourns. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 590, 591, 592 Caddock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 593 CTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 594	Original	panasonic inverter dv 707 manual 018t a423 mosfet ftr 03-e arcotronics 1.27.6 +6nsl 7053 mkp dx 3500 manual honeywell dbm 01a polyester capacitors 823k 250v sprague powerlytic 36dx sprague 68d	PDF
A4405 Abstract: A4405KLPTR-T Inductor 10 H MOSFET MARK cv5 SOP65P640X110-21 GRM31MR71C225KA35L sop65p640 A4405KLPTR GCM32ER71H475KA55L GCM32ER71H475KA55 Contextual Info: A4405 Constant On-Time Buck Regulator With One External and Two Internal Linear Regulators Features and Benefits Description • AEC Q100 Grade 0 qualified • Internal buck pre-regulator followed by LDO outputs • 5.5 to 36 V VIN operating range 50 V maximum ;	Original	a4405 a4405klptr-t inductor 10 h mosfet mark cv5 +6sop65p640x110-21 grm31mr71c225ka35l sop65p640 a4405klptr gcm32er71h475ka55l gcm32er71h475ka55	PDF
LTC3631EMS8E Abstract: LTC3631EMS8E-3.3 LTC3631IMS8E LT 3631 LTC3631 LTC3631-5 LTC3631EDD LTC3631EDD-3 LTC3631EMS8E-3 LTC3631EMS8E-5 Contextual Info: LTC3631 High Efficiency, High Voltage 100mA Synchronous Step-Down Converter DESCRIPTION FEATURES n n n n n n n n n n n n n n Wide Input Voltage Range: Operation from 4.5V to 45V Overvoltage Lockout Provides Protection Up to 60V Internal High Side and Low Side Power Switches	Original	ltc3631 100ma dfn10 msop10e +12dfn16 tssop16e qfn24 ltc3631ems8e ltc3631ems8e-3.3 ltc3631ims8e lt 3631 ltc3631-5 ltc3631edd ltc3631edd-3 ltc3631ems8e-3 ltc3631ems8e-5	PDF
DR1040 Abstract: DR1030 DR125 SD6020 DRA74 Contextual Info: ^ COILTRONICS SMT Shielded Power Inductors Inductance vs Current Rating Reference Table Legend Isat DCR S D 60 2 0 SD 6030 S D 70 3 0 D R 73 DRA 73 * DR74 DRA74’ DR1030 DR1040 DR1050 D R124 D R A 1 24 * D R 125 D R A 125' D R127 D R A 1 27 * L x W mm 57x5.7	OCR Scan	sd6020 sd6030 sd7030 dr1030 +7dr1040 dr125 dra125 dr127 dra127 dra73 dra74	PDF
Contextual Info: A4406 Constant On-Time Buck Regulator With One External and One Internal Linear Regulator Features and Benefits Description • AEC Q100 Grade 0 qualified • Internal buck pre-regulator followed by LDO outputs • 5.5 to 36 V VIN operating range 50 V maximum ;	Original	a4406	PDF
A4407 Abstract: 923 48 06 ng abs Contextual Info: A4407 2.2 MHz Constant On-Time Buck Regulator With Two External and Two Internal Linear Regulators Features and Benefits Description • AEC Q100 Grade 0 qualified • Internal buck pre-regulator followed by LDO outputs • 5.5 to 36 V VIN operating range 50 V maximum ;	Original	a4407 923 48 06 ng abs	PDF
A4407 Contextual Info: A4407 2.2 MHz Constant On-Time Buck Regulator With Two External and Two Internal Linear Regulators Features and Benefits Description • AEC Q100 Grade 0 qualified • Internal buck pre-regulator followed by LDO outputs • 5.5 to 36 V VIN operating range 50 V maximum ;	Original	a4407	PDF

LTC3631 Abstract: LTC3631-5 LTC3631EDD LTC3631EDD-3 LTC3631EMS8E LTC3631EMS8E-3 LTC3631EMS8E-5 LTC3631IMS8E LTC3631IMS8E-3 LTC3631IMS8E-5 Contextual Info: LTC3631 High Efficiency, High Voltage 100mA Synchronous Step-Down Converter DESCRIPTION FEATURES Wide Input Voltage Range: Operation from 4.5V to 45V Overvoltage Lockout Provides Protection Up to 60V Internal High Side and Low Side Power Switches No Compensation Required	Original	ltc3631 100ma lt3437 400ma +14dfn10 tssop16e lt3470 250ma lt3685 ltc3631-5 ltc3631edd ltc3631edd-3 ltc3631ems8e ltc3631ems8e-3 ltc3631ems8e-5 ltc3631ims8e ltc3631ims8e-3 ltc3631ims8e-5	PDF
Contextual Info: LTC3642 High Efficiency, High Voltage 50mA Synchronous Step-Down Converter DESCRIPTION FEATURES n n n n n n n n n n n n n n Wide Input Voltage Range: 4.5V to 45V Tolerant of 60V Input Transients Internal High Side and Low Side Power Switches No Compensation Required	Original	ltc3642 dfn10 tssop16e msop10e +13642fc	PDF
Contextual Info: LTC3631 High Efficiency, High Voltage 100mA Synchronous Step-Down Converter DESCRIPTION FEATURES n n n n n n n n n n n n n n Wide Input Voltage Range: Operation from 4.5V to 45V Overvoltage Lockout Provides Protection Up to 60V Internal High Side and Low Side Power Switches	Original	ltc3631 100ma dfn10 tssop16e +4lt3470 250ma lt3685 msop10e	PDF
A4406 Abstract: IPD90N04S3-04 Inductor 10 H G33 REGULATOR IG33 Contextual Info: A4406 Constant On-Time Buck Regulator With One External and One Internal Linear Regulator Features and Benefits Description • AEC Q100 Grade 0 qualified • Internal buck pre-regulator followed by LDO outputs • 5.5 to 36 V VIN operating range 50 V maximum ;	Original	a4406 ipd90n04s3-04 inductor 10 h g33 regulator +1ig33	PDF
A4407 Abstract: ignition mosfet Contextual Info: A4407 2.2 MHz Constant On-Time Buck Regulator With Two External and Two Internal Linear Regulators Features and Benefits Description • AEC Q100 Grade 0 qualified • Internal buck pre-regulator followed by LDO outputs • 5.5 to 36 V VIN operating range 50 V maximum ;	Original	a4407 ignition mosfet	PDF
LFDV Abstract: MS8E Contextual Info: LTC3631 High Efficiency, High Voltage 100mA Synchronous Step-Down Converter DESCRIPTION FEATURES n n n n n n n n n n n n n n Wide Input Voltage Range: Operation from 4.5V to 45V Overvoltage Lockout Provides Protection Up to 60V Internal High Side and Low Side Power Switches	Original	ltc3631 100ma dfn10 tssop16e +5lt3470 250ma lt3685 lfdv ms8e	PDF
marking 3507 diode Abstract: r410a c3507 B140A BAS70 CMOD6263 LT3507 LT3507EUHF#PBF K3507 DO1813P-682H Contextual Info: LT3507 Triple Monolithic Step-Down Regulator with LDO DESCRIPTION FEATURES n n n n n n n n n Wide Input Range: 4V to 36V One 2.4A and Two 1.5A Output Switching Regulators with Internal Power Switches Low Dropout Linear Regulator with External Transistor Antiphase Switching Reduces Ripple	Original	lt3507 250khz 38-lead dfn-10 +12msop-10e lt3685 3507fa marking 3507 diode r410a c3507 b140a bas70 cmod6263 lt3507euhf#pbf k3507 do1813p-682h	PDF
ltffr Abstract: LFDV marking lfdv LTC3631EMS8E-5 LTC3631IMS8E LTC3631-3 C3631 LTC3631 LTC3631IDD LTC3631EDD-3 Contextual Info: LTC3631 High Efficiency, High Voltage 100mA Synchronous Step-Down Converter DESCRIPTION FEATURES n n n n n n n n n n n n n n Wide Input Voltage Range: Operation from 4.5V to 45V Overvoltage Lockout Provides Protection Up to 60V Internal High Side and Low Side Power Switches	Original	ltc3631 100ma lt3437 400ma +14dfn10 tssop16e lt3470 250ma lt3685 ltffr lfdv marking lfdv ltc3631ems8e-5 ltc3631ims8e ltc3631-3 c3631 ltc3631idd ltc3631edd-3	PDF
ac inductor 1.05 a Abstract: schematic diagram converter input 12v to 24v 4a LTC3632 LTC3632E LTC3632EDD LTC3632EMS8E LTC3632I LTC3632IDD LTC3632IMS8E Contextual Info: LTC3632 High Efficiency, High Voltage 20mA Synchronous Step-Down Converter FEATURES DESCRIPTION n The LTC 3632 is a high efﬁciency step-down DC/DC converter with internal high side and synchronous power switches that draws only 12 A typical DC supply current	Original	ltc3632 dfn10 dfn16 tssop16e +11qfn24 60vmax msop10e ac inductor 1.05 a schematic diagram converter input 12v to 24v 4a ltc3632e ltc3632edd ltc3632ems8e ltc3632i ltc3632idd ltc3632ims8e	PDF
power supply ic 1507 Contextual Info: A4405 Constant On-Time Buck Regulator With One External and Two Internal Linear Regulators Features and Benefits Description • AEC Q100 Grade 0 qualified • Internal buck pre-regulator followed by LDO outputs • 5.5 to 36 V VIN operating range 50 V maximum ;	Original	a4405 power supply ic 1507	PDF

DRA73 Search Results

DRA73 Datasheets (23)

DRA73 Price and Stock

Eaton Corporation DRA73-330-R

Eaton Corporation DRA73-100-R

Eaton Corporation DRA73-221-R

Eaton Corporation DRA73-2R2-R

Eaton Corporation DRA73-220-R

DRA73 Datasheets Context Search

C3216X7R1E475KT

LTC3642

ceramic capacitor 0.1 aec

pulse generator crank

panasonic inverter dv 707 manual

A4405

LTC3631EMS8E

DR1040

A4407

A4407

LTC3631

A4406

A4407

LFDV

marking 3507 diode

ltffr

ac inductor 1.05 a

power supply ic 1507