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Introduction
Specifications
Environmental
Performance curves
Schematics
Physical characteristics
Tape & Reel
Soldering/Washing

LPD5030V Series

Miniature High-Isolation Transformers

This is a new version recommended for new designs. Only the termination material and part number have changed. The previous version is available only to current customers.

Coilcraft LPD5030V Series surface-mount 1:1 coupled power inductors feature higher isolation and are suitable for Flyback, SEPIC, Cuk, Zeta and other applications. Their compact, low-profile design and magnetic shielding make them ideal for high-density circuits.

1500 Vdc (1000 Vrms) one minute isolation between windings
UL Certified per File E219588
Low-profile design with smaller footprint than MSD Family
Ideal for Flyback, SEPIC, Ćuk, Zeta and other applications
Magnetically shielded to minimize EMI

See Selecting inductors for SEPIC

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Part number

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Count	Unit price
1	$1.37
375	$1.14
750	$0.78
1500	$0.66
3000	$0.54
6000	$0.50

For high volume or non-stock items, request a quote.

Tolerance

M = 20%

Termination

R = Matte tin over nickel over silver

Packaging

C = 7" machine-ready reel

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Specifications

Electrical specifications at 25°C.

For Flyback Applications

Part number 1 (Hover for schematics)	Inductance (µH) 2 (Tolerance: ±20%)	DCR max (Ω) 3	Isolation Voltage (V) 4	Leakage Inductance (µH) 6	Turns Ratio
Part number 1 (Hover for schematics)	Inductance (µH) 2 (Tolerance: ±20%)	DCR max (Ω) 3	Isolation Voltage (V) 4	Leakage Inductance (µH) 6	Turns Ratio
LPD5030V-472MR_	4.7	0.322	1000	0.11	1 : 1
LPD5030V-682MR_	6.8	0.395	1000	0.11	1 : 1
LPD5030V-103MR_	10	0.490	1000	0.13	1 : 1
LPD5030V-333MR_	33	0.895	1000	0.20	1 : 1
LPD5030V-473MR_	47	1.400	1000	0.30	1 : 1
LPD5030V-154MR_	150	3.820	1000	0.46	1 : 1
LPD5030V-224MR_	220	5.250	1000	0.54	1 : 1

For SEPIC Applications

Part number 1 (Hover for schematics)	Inductance (µH) 2 (Tolerance: ±20%)	DCR max (Ω) 3	SRF typ (MHz) 5	Coupling coefficient	Leakage Inductance (µH) 6	Isat (A) 7			Irms (A)
Part number 1 (Hover for schematics)	Inductance (µH) 2 (Tolerance: ±20%)	DCR max (Ω) 3	SRF typ (MHz) 5	Coupling coefficient	Leakage Inductance (µH) 6	10% drop	20% drop	30% drop	both windings 8	one winding 9
LPD5030V-472MR_	4.7	0.322	55.0	0.97	0.11	1.5	1.7	1.9	0.65	0.92
LPD5030V-682MR_	6.8	0.395	49.9	0.97	0.11	1.3	1.5	1.6	0.59	0.83
LPD5030V-103MR_	10	0.490	37.1	0.97	0.13	1.1	1.2	1.3	0.54	0.76
LPD5030V-333MR_	33	0.895	19.2	0.98	0.20	0.49	0.59	0.67	0.43	0.61
LPD5030V-473MR_	47	1.400	16.0	0.98	0.30	-	-	0.50	0.35	0.50
LPD5030V-154MR_	150	3.820	8.1	0.98	0.46	0.46	0.48	0.31	0.18	0.25
LPD5030V-224MR_	220	5.250	6.5	>0.99	0.54	0.25	0.29	0.24	0.16	0.22

Notes

When ordering, please specify packaging code: e.g. LPD5030V-333MEC
Inductance shown for each winding, measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LCR meter or equivalent.
For SEPIC: When leads are connected in parallel, inductance is the same value. When leads are connected in series, inductance is four times the value
DCR is for each winding. DCR at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
For SEPIC: When leads are connected in parallel, DCR is half the value. When leads are connected in series, DCR is twice the value.
1000 Vrms, one minute isolation (hipot) between windings. Designed to provide Functional Insulation only; does not protect against electrical shock; nor intended for the isolation of SELV circuits from Hazardous Voltage circuits.
SRF measured using an Agilent/HP 4191A or equivalent. When leads are connected in parallel, SRF is the same value.
Leakage inductance is for L1 and is measured with L2 shorted.
DC current, at which the inductance drops the specified amount from its value without current. It is the sum of the current flowing in both windings.
Equal current when applied to each winding simultaneously that causes a 40°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. Determine temperature rise.
Maximum current when applied to one winding that causes a 40°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings.

Termination:

RoHS compliant matte tin over nickel over silver

Packaging:

C = 7″ machine-ready reel. EIA-481 embossed plastic tape (750 parts per full reel).
B = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter C instead.
D = 13″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked (2500 parts per full reel).

Environmental

Environmental:

RoHS compliant , halogen free

Ambient temperature range:

−40°C to +85°C with Irms current.

Storage temperature range:

Component: −40°C to +125°C
Tape and reel packaging: −40°C to +80°C

Maximum part temperature:

+125°C (Ambient + temperature rise)

Failures in Time (FIT) / Mean Time Between Failures (MTBF):

See FIT/MTBF Calculations

Performance curves

Inductance vs Current

Inductance vs Frequency

Schematics

Physical characteristics

1 : 1

Tape and Reel specification

Parts per reel		Reel dimensions (mm)					Tape dimensions (mm)						Orientation
7" (178 mm)	13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
750	2500*	178/330	60/100	13	18,4	12,4	12	8	4	2	3,1	0,32

* Special order

General specification

Core Material:

Ferrite

Weight:

210 – 225 mg

Packaging:

750/7″ reel; 2500/13″ reel Plastic tape: 12 mm wide, 0.32 mm thick, 8 mm pocket spacing, 3.1 mm pocket depth.

Soldering/Washing

Moisture Sensitivity Level (MSL):

1 (unlimited floor life at <30°C / 85% relative humidity)

Resistance to soldering heat:

Three reflows at >217°C for 90 seconds (+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room temperature between.

Refer to Soldering Coilcraft Components before soldering.

Recommended Pick & Place Nozzle:

OD: 5 mm; ID: ≤ 2.5 mm

PCB Washing:

Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

LPD5030V Series

Miniature High-Isolation Transformers