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GA3250-BE Coupled Power Inductor

for Maxim MAX14521E

RoHS compliant halogen free
GA3250-BE is the new part number. The previous part number GA3250-BL is no longer available. The parts are the same, only the part number has changed.
  • Developed for Maxim MAX14521E High-Voltage EL Lamp Driver with I2C Interface
  • Used as a 1 : 8 autotransformer
  • Shielded part for high-density applications
  • Miniature, low profile part – only 4 mm square and 1,1 mm high
  • RoHS-compliant, halogen free. 260°C compatible. Silver-palladium-platinum-glass frit terminations
  • COTS Plus tin-silver-copper and tin-lead terminations available
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Specifications

Electrical specifications at 25°C.

Part number 1 Inductance (µH) 2
(Tolerance: ±20%)
DCR max (Ω) 3 Turns Ratio Isat (A) 4 Irms (A) 5
L1 L2 L1 L2
GA3250-BE_ 1.9 112 1.29 11.19 1 : 8 0.7 0.41
Notes
  1. When ordering, please specify termination and packaging code: e.g. GA3250-BLC
  2. Inductance is measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LCR meter or equivalent.
  3. DCR at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
  4. Isat: DC current at which the inductance of L1 drops 20% from its value without current.
  5. Current applied to both winding in parallel 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:

  • E = Silver-palladium-platinum-glass frit terminations.
  • T = RoHS tin-silver-copper (95.5/4/0.5). (Special order, added cost)
  • S = non-RoHS tin-lead (63/37). (Special order, added cost)

Packaging:

  • C = 7" machine-ready reel
    EIA-481 embossed plastic tape 1000 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 (3500 parts per full reel).
Environmental
Environmental:
RoHS compliant , halogen free
Ambient temperature range:
–40°C to +85°C with Irms current, +85°C to +125°C with derated current
Storage temperature range:
Component: −40°C to +125°C
Tape and reel packaging: −40°C to +80°C
Failures in Time (FIT) / Mean Time Between Failures (MTBF):
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332

Performance curves

Inductance vs Current

Physical characteristics

ga3250d.gif
dims_inches_mm.gif

Tape and Reel specification

tapereel_pl.gif
Parts per reel   Reel Dimension (mm)   Tape dimensions (mm) Orientation
7" (178 mm) 13" (330 mm)   A B C D E   W P Po P1 H T

part_or_aj.gif

1000 3500*   178/330 60/100 13 18,4 12,4   12 8 4 2 1,4 0,23
* Special order

General specification

Core Material:
Ferrite
Weight:
32 mg
Packaging:
1000/7″ reel; 3500/13″ reel; Plastic tape: 12 mm wide, 0.23 mm thick, 8 mm pocket spacing, 1.4 mm pocket depth

Soldering/Washing

Moisture Sensitivity Level (MSL):
1 (unlimited floor life at <30°C / 85% relative humidity)
Resistance to soldering heat:
Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles
Refer to Soldering Coilcraft Components before soldering.
PCB Washing:
Only pure water or alcohol recommended

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