Tokyo-Toshiba Corporation (TOKYO: 6502) Semiconductor & Storage Products announced today that it has introduced a small SO6-packaged optocoupler. New products "TLP3905" and "TLP3906" will be put into mass production immediately.
The optocoupler uses a photo-controlled relay structure without a MOSFET chip. The user can create an isolated relay by combining the optocoupler with an external selectable MOSFET. This allows for greater voltage and current, surpassing the performance of existing photo-relay products.
The new products “TLP3905†and “TLP3906†can maintain the basic performance of Toshiba’s existing products “TLP190B†and “TLP191B†while being able to increase the operating temperature to 125°C (maximum) and the insulation voltage to 3750Vrms (minimum). Value) to expand the application area. In addition, the "TLP3906" integrates a control circuit that releases the gate charge of the MOSFET to speed up the turn-off; this speed is about three times that of the "TLP3905." In addition, the "TLP3906" ensures the LED trigger current to ensure VOC (min)*, making it easier to reduce the power consumption of the LED current. The new product is suitable for high current control in line switching or PLC applications in test applications.
Sodium Hexametaphosphate (NaPO3)6,white powder-like crystal or transparent glassy crystal, density is 2.484(20),easily soluble in water,but not in organic solution,absorbent to dampness,and turn sticky when absorbed dampness in air.it is possible to form solvent compound with metallic ions such as Ca,Ba,Mg,cu andfe;it is affine agent for Water Treatment.
Sodium hexametaphosphate (SHMP) is a hexamer of composition (NaPO3)6.Sodium hexametaphosphate of commerce is typically a mixture of polymeric metaphosphates, of which the hexamer is one, and is usually the compound referred to by this name. Such a mixture is more correctly termed sodium polymetaphosphate.
SHMP is used as a sequestrant and has applications within a wide variety of industries, including as a food additive in which it is used under the E number E452i. Sodium carbonate is sometimes added to SHMP to raise the pH to 8.0–8.6, which produces a number of SHMP products used for water softening and detergents.
A significant use for sodium hexametaphosphate is as a deflocculant in the production of clay-based ceramic particles.It is also used as a dispersing agent to break down clay and other soil types for soil texture assessment.
It is used as an active ingredient in toothpastes as an anti-staining and tartar prevention ingredient.
As a food additive, SHMP is used as an emulsifier. Artificial maple syrup, canned milk, cheese powders and dips, imitation cheese, whipped topping, packaged egg whites, roast beef, fish fillets, fruit jelly, frozen desserts, salad dressing, herring, breakfast cereal, ice cream, beer, and bottled beverages, among other foods, can contain SHMP.
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