HT1MO2S3E3M-T NXP Semiconductors, HT1MO2S3E3M-T Datasheet - Page 11

• Manufacturer Part Number: HT1MO2S3E3M-T
• Description: RFID Modules & Development Tools HITAG 1 MOA2 MODULE
• Manufacturer: NXP Semiconductors

Specifications of HT1MO2S3E3M-T

• Operating Current: 30 mA
• Operating Voltage: 3.1 V to 4.2 V
• Product: RFID Transponders
• Wireless Frequency: 125 KHz
• Dimensions: 7.55 mm x 11.75 mm x 0.45 mm
• Operating Temperature Range: - 25 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: HT1MOA2S30/E/3,118

For a rough estimation ( 10 %) of the number of coil windings following formula can be used.
It is assumed that the winding is done in circular form.
N
L
U
d
u
For fine tuning a measurement of the inductance and an according adjustment of the number of
windings is necessary. This process always needs some iterations.
Ht1moa3.doc/HS
Specifications of the HT1 MOA3 S30
N
1 , 8 5
... Number of windings
... Inductance [nH]
... average coil circumference [cm]
... copper diameter [mm]
... average coil circumference [mm]
2 U l n (
L
d
u
)
Page 11 of 24
Rev. 1.1
1997-08-19