DS1990A Ibutton Key Fob With 8 Kbits RAM Capacity , Stainless Steel Material
Waterproof stainless-steel shell DS1990A iButton electronic key
The provided iButton key is manufactured by A.N.G with DS1990A chip. Each button is factory lasered with a guaranteed unique 64-Bit Serial NO. for traceability. It’s sealed with stainless-steel shell with strong anti-water/shake/rust/water/corrosion capability.
Key Features:
- Can Be Read in Less Than 5ms
- Operating Range: 2.8V to 6.0V, -40°C to +85°
Featrues of Many color waterproof ibutton TM cards :
| Material | Stainless steel |
| Original Serial Number | 64 bits |
| Security | 64 bits encrypt passwords |
| Memory Capacity | 8 Kbits RAM |
| Read-Write features | read, write and encrypt |
| Read-Write Endurance | > 1.5 billion |
| Working Temperature | -40 ºC~+85 ºC |
| Working Time | >20 years |
| Size | φ16.25mm×5.89mm |
| Color | Red, Green, Yellow, Black, etc |
| Read Endurance | > 350 thousand times |
| Unit Weight | 0.025kg |
| Failure Rate | 1 /100,000 times ( used properly) |
Products details:
1. it never rust and corrosion; must source materials, high temperature resistant resin, sealing performance, anti-aging, resistance to heat;
internal support spring piece, stainless steel manufacturing, anti-variant; high and low temperature and 100% watertight, vibration and electrical characteristics testing;
surface smooth, flat; internal core with high-quality gold-plated panels and COB technology to produce highly integrated;
2.TM card is widely used in security patrol, sauna cabinet door locks, electronic locks, access control intercom systems.
3.It doesn't need extra power,just need the collector supply power
4.It Can Be Read in Less Than 5ms
5.TM1990A-F5 cards with a new 2401 chip package, the only 64-bit serial number, family code 01, used worldwide without any restrictions.
6.Operating Range: 2.8V to 6.0V, -40 ~ 85 degrees.
7.Dimension:16 x 56mm
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