Ds 1990A TM1990A-F5 Ibutton Key/Electronic Key Card

• Customization: Available
• Function: Identification, Information
• Type: Smart Card
• Model NO.: A-1990
• Material: Stainless Steel
• Read-Write Method: Contact Type
• Label Category: Passive
• Structure: Read-only Card
• Application Field: Transportation
• Power Supply Mode: Passive Card
• Frequency: I-Wire
• Data Transmission Mode: 1-Wire
• Model: Ds1990A, TM1990A
• Color: Blue. Red, Green, Yellow, White, Black
• Logo: Customized
• ID Number: Laser Engraved
• Transport Package: 100PCS Per Box
• Specification: standard
• Trademark: A. N. G
• Origin: China
• HS Code: 852352100
• Production Capacity: 300, 000PCS Per Month

Product Description

DS1990A TM1990A-F5 ibutton key/Electronic key
 
Description
 
The TM1990A is a rugged data carrier that serves as an electronic registration number for automatic identification. Data is transferred serially through the 1-Wire® protocol, which requires only a single data lead and a ground return. Every TM1990A guaranteed unique 64-bit registration number that allows for absolute traceability. The durable stainless-steel iButton package is highly resistant to environmental hazards such as dirt, moisture, and shock. Its compact coin-shaped profile is self-aligning with mating receptacles, allowing the TM1990A to be used easily by human operators.
 
 
 
Key Features

1. Can Be Read in Less Than 5ms
2. Operating Range: 2.8V to 6.0V, -40°C to +85°C

Common iButton Features

1. Unique 64-Bit Registration Number Ensures Error-Free Device Selection and Absolute Traceability Because No Two Parts are Alike
2. Built-In Multidrop Controller for 1-Wire Net
3. Digital Identification by Momentary Contact
4. Data Can Be Accessed While Affixed to Object
5. Economically Communicates to Bus Master with a Single Digital Signal at 16.3kbps
6. Button Shape is Self-Aligning with Cup-Shaped Probes
7. Durable Stainless-Steel Case 
8. Easily Affixed with Self-Stick Adhesive Backing, Latched by its Flange, or Locked with a Ring Pressed Onto its Rim


Applications/Uses

Access Control
Inventory Control
Tool Management
Work-in-Progress Tracking

 

Item	Ibutton key
Material	ABS , Stainless Steel
Size	16.25mm*5.89mm
Color	Red, green, blue, yellow, black, etc
Working Temperature	-40 ~ +85 degree
Read-Write Method	Contact
Memory	64 bits
ID number	Engraved
Chip	RW1990A, RW1990B, DS1990A, TM1990A-F5
Application	Intelligent Community, Postal Service, Railway St, etc.