English
Language : 

LPR4012_13 Datasheet, PDF (2/2 Pages) Coilcraft lnc. – For Step-Up, Resonant & Flyback Applications
Document 713-2
Coupled Inductors – LPR4012 Series
D
C
L2
+
VOUTAUX
–
+
+
L1
VIN
SW D
C
VOUT
–
–
Typical Buck Converter with auxiliary output
+
D
L1
L2
C
VIN
C
PWM
+
VOUT
–
–
Typical Flyback Converter
Dot indicates pin 1
1
4
1
4
0.155 ±0.003
3,94 ±0,076
L1
L2
2 XXXX 3
2
3
Dash
number
0.155 ±0.003
3,94 ±0,076
0.0433 ±0.004
1,10 ±0,10
Recommended
Land Pattern
1
0.103 0.049
2,606 1,24
0.031
0,78
4 45°
typ
0.174
4,40
Core material Ferrite
Weight  54 – 64 mg
Terminations  RoHS compliant silver-palladium-platinum-glass frit.
Other terminations available at additional cost.
Ambient temperature  –40°C to +85°C with Irms current, +85°C to
+125°C with derated current
Storage temperature  Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C
Winding to winding isolation  100 V
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  1000/7″ reel; 3500/13″ reel  Plastic tape:  12 mm wide,
0.25 mm thick, 8 mm pocket spacing, 1.32 mm pocket depth
Recommended pick and place nozzle  OD: 4 mm; ID: ≤ 2 mm
PCB washing  Only pure water or alcohol recommended
Current Derating
120
110
100
90
80
70
60
50
40
30
20
10
0
-40
Isat
Irms
-20 0 20 40 60 80 100
Ambient temperature (°C)
120 140
0.060
1,52
Dimensions
are in
inches
mm
2
3
0.049
1,24
0.103
2,606
0.174
4,40
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 713-2  Revised 01/29/10
© Coilcraft Inc. 2013
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.