Document 1421-1

Coupled Inductor UA8164-BEHalogenFree• Developed for Microchip Technology• Designed for flyback topology in a haptic driver circuit• Switching frequency: 300 kHz; Vin: 3.0 V; Vout: 230 V
Core material Ferrite
Weight 430 mg
Environmental RoHS compliant, halogen freeTerminations RoHS compliant matte tin over nickel over phos bronze
Ambient temperature –40°C to +85°C
Storage temperature Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C
Winding to winding isolation 200 Vrms applied for 2 seconds
Resistance to soldering heat Max three 40 second reflows at+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /85% relative humidity)
Mean Time Between Failures (MTBF) 26,315,789 hours
Failures in Time (FIT) 38 per one billion hours
Packaging 250/7″ reel; 1000/13″ reel Plastic tape: 16 mm wide,0.4 mm thick, 12 mm pocket spacing, 4.9 mm pocket depth
PCB washing Tested to MIL-STD-202 Method 215 plus an additionalaqueous wash. See Doc787_PCB_Washing.pdf.

AEC
Q200 85°C+			PartTurns
number1ratio
UA8164-BE_

1 : 10Inductance2±20% (µH)
L1   L2
1.0

100

DCR max		Leakage(Ohms)
Capacitance3
inductance4
L1   L2max (pF)
max (µH)
0.035

2.4

26.0

UA8164-BEC
Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastictape (250 parts per full reel). Quantities less thanfull reel available: in tape (not machine ready) orwith leader and trailer ($25 charge).
B = Less than full reel. In an effort to simplify our partnumbering system, Coilcraft is eliminating theneed for multiple packaging codes. When ordering,simply change the last letter of your part number
from B to C.
D = 13″ machine-ready reel. EIA-481 embossed plastictape. Factory order only, not stocked (1000 parts perfull reel).
2. Inductance is measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP
4284A LCR meter or equivalent.
3. Capacitance is measured at 100 kHz, 0.1 Vrms.
4. Leakage inductance is for L1 and is measured at 100 kHz, 0.1 Vrms withL2 shorted.
5. DC current applied to L1, at which the inductance drops 10% from itsvalue without current.
5. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.

0.105

10.7
1Dot indicates pin 1

1. When ordering, please specify packaging code:

Isat5(A)

2

1

2L1

102
30.276 ±0.008
7,0 ±0,2

3L2
41 : 1040.276 ±0.008
7,0 ±0,20.197
max
5,0Recommended
land Pattern

0.063
1,60.091
2,30.067
1,70.083
2,10.150
3,80.028
0,70

Dimensions are inIf board traces
are run in theseareas, consider
masking them toprevent shorting.

21340.130
3,30.043
1,1inchesmm

US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg

Document 1421-1

Revised 08/21/17© Coilcraft Inc. 2020
This product may not be used in medical or highrisk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.

Document 1421-2

Coupled Inductor – UA8164-BE
Primary L vs Current

Primary L vs Frequency
100

1.4

1.0
0.8

Inductance (µH)

AEC

Q200 +85°C

Inductance (µH)

Halogen
Free

1.2

0.6
0.4
0.2
0012

34567Current (A)891010111 12

0.1

0.1

110

100

Frequency (MHz)US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg

Document 1421-2

Revised 08/15/17© Coilcraft Inc. 2020
This product may not be used in medical or highrisk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.