HM55-321R0LF - BI Technologies / TT Electronics

2009/10 EDITION MAGNETIC COMPONENTS SELECTOR GUIDE

We reserve the right to change specifications without prior notice.

www.bitechnologies.com

HM55-12R40LF 0.40 0.32 0.35 20 29 1.00 8.76 1.30 2

HM55-14R40LF 0.40 0.32 0.35 15 38 1.75 8.40 1.00 2

HM55-21R43LF 0.43 0.36 0.40 18 27 0.77 4.10 1.30 1

HM55-21R95LF 0.95 0.76 0.84 22.5 33 1.28 6.90 1.30 1

HM55-211R3LF 1.38 1.10 1.25 15 22 2.26 6.60 1.05 1

HM55-22R79LF 0.79 0.56 0.63 27 39 1.20 12.5 1.45 2

HM55-24R28LF 0.28 0.21 0.25 30 85 0.72 12.7 1.30 2

HM55-26R50LF 0.50 0.36 0.40 40 50 0.90 12.7 1.50 2

HM55-311R4LF 1.40 1.08 1.20 35 50 0.98 6.60 1.65 1

HM55-313R0LF 3.00 2.43 2.70 21 30 2.60 9.45 1.30 1

HM55-315R6LF 5.60 4.86 5.40 9 14 7.30 7.11 0.91 1

HM55-321R0LF 1.0 0.72 0.80 40 56 1.25 15.24 1.50 2

Electrical / Environmental

• OperatingTemperatureRange -40°Cto+155°C

• AmbientTemperature,Maximum 100°C

• TemperatureRise,Maximum 50°C

• InsulationSystem ClassF,155°C

• OperatingFrequency Upto400kHz

ShieldedDrumCompactPackageLowCostInductors

Specifications

Notes: (1)Ratedcurrent,Irated,istheapproximateDCcurrentatwhichinductancewillbedecreasedby20%fromitsinitial(zeroDC)valueorthecurrentatwhich

 ∆T=50°C,whicheverislower.

 (2)Isatisthesaturationcurrentatwhichinductancerollsoffapproximately30%fromitsinitialvalue.

 (3)DCresistanceismeasuredat25°C.

Inductance

100 kHz 100 kHz, 0.1 V

Part @ 0 Adc @ Irated Irated (1) Isat (2) DCR (3) Dim D. Dim. E

Number µH ±10% µH Min. µH Typ. (Adc) (Adc) mW ±5% (mm ±0.5) (mm ±0.1) Fig.

Figure 1 Figure 2

Outline Dimensions (Inch/mm)

Case Size Fig. A B C

12 2 .295 .295 .433

7.50 7.50 11.0

14 2 .295 .295 .295

7.50 7.50 7.50

21 1 .413 .433 .413

10.5 11.0 10.5

22 2 .413 .413 .413

10.5 10.5 10.5

24 2 .413 .413 .295

10.5 10.5 7.50

26 2 .413 .413 .355

10.5 10.5 9.00

31 1 .532 .543 .532

13.5 13.8 13.5

32 2 .532 .532 .492

13.5 13.5 12.5

Packaging

Standard: Vacuum Tray

Case Size Capacity Per Tray Capacity Per Carton

(Units) (Units)

12, 14, 21 40 560

22 44 660

24 50 600

26 45 630

31, 32 44 572

HM55

US6,847,280

RoHS

Compliant

Notes: (A) Refer to Specications table for

‘D’ & ‘E’ dimensions of each model.

(B) For case size 12 & 14, only BI logo &

datecode will be printed.

2009/10 EDITION MAGNETIC COMPONENTS SELECTOR GUIDE

We reserve the right to change specifications without prior notice.

www.bitechnologies.com

Ordering Information

Electrical Characteristics @ 25°C (Cont’d)

(B) Case size 26, 31 & 32

Inductance Code:

First 2 digits are signicant. Last

digit denotes the number of trailing

zeros. For values below 10µH, ”R”

denotes the decimal point.

Case Size:

12 = Figure 2 24 = Figure 2

14 = Figure 2 26 = Figure 2

21 = Figure 1 31 = Figure 1

22 = Figure 2 32 = Figure 2

Model Series

HM55 - 21 1R3 LF

Lead-Free