TM1990A-F5 Ibutton Keys Tag

Products Name: TM ibutton
Sample: sample for free
Chip: tm1990a-f5
Aplication: Access control attendance.


Product Introduction

The TM1990A-F5 Ibutton tag is easy to used and carried. What’s more, It can be used in extremely cold weather. So it is widely used in cold aera place.

It has a unique 64-bit code is a full quality analog of Dallas/Maxim DS1990A-F5 iButtons. Designed for access control systems each key has a unique family code that is recorded while the key is being produced and the code cannot be overwritten.

The main advantages of TM1990A-F5: Electronic keys provide 100% uniqueness. 

Product Parameters:


stainless steel+ABS




64 bits read only



Operating Distance

Touch reading

Working Life

More than 10 years

Working Model

Passive no battery

Operating Temperature

-40℃ ~ 75℃

Stock Temperature

-50℃ ~ 80℃

Ingress Protection


Color Optional:

Black, Blue, Red, Pink, Yellow, White, Grey, etc.

Or customized

TM1990A-F5 Ibutton Tag


100pcs/box, 5000pcs/carton

Carton size: 73x24x33cm

GW: 25kg



TM1990A-F5 Ibutton Tag TM1990A-F5 Ibutton Tag

Besides the TM1990A-F5 Ibutton is one of Syntek main products, we can supply more than 2,000,000pcs ibutton every month.

TM1990A-F5 Ibutton Tag

TM1990A-F5 Ibutton Tag

Why choose us ?

High-quality raw materials, high strength, high toughness, good anti-aging

Smooth handle surface without burrs

Handle color, size and shape can be customized according to customer requirements

The handle can be laser printed with logo according to user requirements

High-quality stainless steel material is beautiful and durable

Excellent waterproof, moisture-proof and shock-proof performance, suitable for harsh environments

The surface of the metal button can be laser marked according to user needs


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