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EM4100, EM4102


EM4100 / EM4102 is one of the most common low frequency chip, which has many applications such as Animal implantable transponder, Animal ear tag, Industrial transponder, etc.. We have millions of exportation in the past year!

General Description:

The EM4100 / EM4102 (previously named H4100 / H4102) is a CMOS integrated circuit for use in electronic Read Only RF ransponders. The circuit is powered by an external coil placed in an electromagnetic field, and gets its master clock from the same field via one of the coil terminals. By turning on and off the modulation current, the chip will send back the 64 bits of information contained in a factor programmed memory array.The programming of the chip is performed by laser fusing of polysilicon links in order to store a unique code on each chip.

Technical Features:

  • 64 bit memory array laser programmable
  • Several options of data rate and coding available
  • On chip resonance capacitor
  • On chip supply buffer capacitor
  • On chip voltage limiter
  • Full wave rectifier on chip
  • Large modulation depth due to a low impedance modulation device
  • Operating frequency 100 - 150 kHz
  • Very small chip size convenient for implantation
  • Very low power consumption

Ordering Information

Delivery Terms

  • Samples: It’s free of charge and could be sent within 1-2 working days.
  • <10K pcs: Within 3-4 working days
  • <100K pcs: Within 6-7 working days
  • <1KK pcs: Within 15 working days.
  • >1KK pcs: On request

Payment Terms

  • TT in advance or LC
  • Others on requested

Why buy from us ?

  • You can get our reply within 12 hours at most time
  • Unsurpassable competitive price
  • Large quantity inventory always
  • Strong at customization on request
  • Experience and expertise
  • Fast delivery and strong package


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Shanghai RealSmart Technologies Co., Ltd.

Rm 205, No.1768. Yishan Road, MinHang District, Shanghai 201103, P.R China

Tel: +86 21 6432 6941

Fax: +86 21 6432 6942


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