Digital Magnetic Head (write) DA1822-01

for LoCo write 
reference current: @ 95 % UL max.: (15) mApp
inductance @ 1 kHz / 50 mV: 50  mH ± 15 % 
DC resistance: 70  Ω ± 15  %
gap length: 0.02 mm

Measurement Conditions
recording medium: PYRAL
relative velocity: 100  cm/s
recording density: 51 FRPI
equivalent write frequency: 1 kHz
read head load: 10  kΩ//100 pF
read band width:
write current: 30 mAPP
rise time of current: < 100 µs