800V small inductors are automotive-rated


Qualified to AEC-Q200 Grade 3 (-40 to +85°C) and called the RFC0807BV series, they are 8.8mm in diameter, 7.5mm tall and have radial lead length options between 3.6 and 25mm.

The inductors are “ideal for high-voltage and high-current battery management systems, as well as universal non-isolated off-line ac-dc power supplies for industrial and automotive applications”, according to the company.

The high voltage rating comes from a change in wire insulation compared with the similar RFC0807B family.


19 inductance values are available, from 39μH at 25°C (240mΩ max, 1Arms for 20°C rise, 11MHz self-resonant) to 1.2mH (4.1Ω, 250mArms, 1.7MHz). See below for the complete list.

Potential non-automotive applications include, said Coilcraft: grid infrastructure, smart meters, power monitors, residential circuit breakers, building automation, and home appliances.

Part
numberRFC0807BV
µH
±10%
Ω MHz* Amps carried for
L drop (dc) or °C rise (rms)
typ max 10% 20% 30% 20°C 40°C
-393KE 39 0.219 0.240 11.0 2.85 3.20 3.40 1.05 1.45
-473KE 47 0.243 0.267 10.6 2.55 2.87 3.04 0.95 1.35
-563KE 56 0.275 0.303 9.7 2.35 2.66 2.84 0.90 1.25
-683KE 68 0.307 0.338 8.4 2.30 2.60 2.74 0.87 1.20
-823KE 82 0.342 0.376 8.0 2.13 2.37 2.53 0.85 1.15
-104KE 100 0.396 0.440 7.1 1.98 2.22 2.34 0.75 1.05
-124KE 120 0.442 0.486 6.7 1.76 2.00 2.12 0.70 0.98
-154KE 150 0.505 0.560 5.3 1.62 1.82 1.93 0.68 0.90
-184KE 180 0.580 0.640 4.4 1.42 1.61 1.70 0.65 0.87
-224KE 220 0.675 0.750 4.1 1.32 1.48 1.57 0.60 0.82
-274KE 270 0.867 0.960 3.6 1.20 1.34 1.43 0.50 0.70
-334KE 330 0.975 1.090 3.4 1.08 1.21 1.30 0.47 0.68
-394KE 390 1.280 1.540 3.3 1.03 1.16 1.23 0.45 0.63
-474KE 470 1.482 1.650 2.9 0.90 1.02 1.10 0.40 0.55
-564KE 560 1.680 1.850 2.7 0.85 0.93 1.01 0.38 0.52
-684KE 680 2.250 2.480 2.5 0.77 0.83 0.92 0.32 0.44
-824KE 820 2.570 2.830 2.1 0.68 0.77 0.82 0.30 0.40
-105KE 1000 3.270 3.600 2.0 0.62 0.68 0.72 0.27 0.37
-125KE 1200 3.730 4.100 1.7 0.56 0.62 0.66 0.25 0.35

*self-resonant frequency





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