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RFIDAK
TM-MAG

Magnetic Dallas Key (with holder)

DS1990A key pre-assembled into a magnetic-ring key fob.

The "touch and hold" format: the key is fitted with a magnetic ring so it seats and stays on the reader contact. Supplied assembled and ready to distribute, in your choice of housing colour.

Key features

  • “Touch and hold” format — a steel magnet ring seats the key on the contact and keeps it there for a first-touch read.
  • DS1990A-compatible key pre-assembled into the fob — shipped ready to distribute.
  • 12 stock housing colours, logo printing, custom fob shape on volume order.

Specifications

Chip / compatibility DS1990A compatible · factory model TMK-TM1990-R (iron-ring card)
Package F5 key + iron retention ring + plastic fob — mates with magnetic readers
Mounting Key ring / lanyard
Options Logo printing, 10+ colours, custom fob shape

Inside the stainless can

① Data lid② Polypropylene grommet③ 1-Wire die④ Ground base, 0.25 mm steelØ 16.25 mmF55.89 mmF33.10 mmSame Ø, two heights
F5 can: Ø16.25 × 5.89 mm · F3 can: Ø16.25 × 3.10 mm
64 bit8488Family codeUnique serial numberCRC01 · 00 00 15 8D 42 7A · 6C
64-bit ROM: 8-bit family code + 48-bit serial + 8-bit CRC

A 0.25 mm solid stainless shell, a UV-stable polypropylene grommet isolating lid from base, and the die bonded inside. Lid = data contact, base = ground return.

Ordering information

MOQ100 pcs
Lead time3–7 days for stock items, 10–15 days for OEM
PackingBulk ESD bags (100–200 pcs/bag, 2 bags/carton); blister or header cards for retail on request
SamplesFree samples for volume buyers — courier at cost
PaymentT/T bank transfer; other terms negotiable for repeat orders
ShippingDHL / FedEx / UPS air express; sea or rail freight for pallet volumes
CustomizationROM ranges · housing colours · laser logo · private label

Typical applications