Abstract: An electrical connector includes an insulative housing, a plurality of slit type passageways, a plurality of blade type contacts retained with the corresponding slit type passageways, respectively, and a plurality of wires having the inner conductors soldered upon the tails of the contacts behind the rear face of the housing. The rear face forms a plurality of standoffs on which the front ends of the exposed inner conductor abut, respectively. A waterproof glue plate fills the back space of the housing behind the rear face to enclose the exposed inner conductors and the corresponding tails and seal the rear face of the housing.

Abstract: An electrical connector assembly includes a first connector and a second connector mateable with each other wherein each of the first connector and the second connector has an insulative housing essentially composed of a bottom wall, a side wall and a pair of end walls wherein all the bottom wall and the side wall are rectangular while the end walls are right triangular. The first connector and he second connector are coupled with each other in a complementary manner with the corresponding hypotenuses of the right triangles confronting each other. A sealing member of a frame structure is located at an interface between the coupled edges of the housings in an oblique manner.

Abstract: An electrical connector includes an insulative housing, a plurality of slit type passageways, a plurality of blade type contacts retained with the corresponding slit type passageways, respectively, and a plurality of wires having the inner conductors soldered upon the tails of the contacts behind the rear face of the housing. The rear face forms a plurality of standoffs on which the front ends of the exposed inner conductor abut, respectively. A waterproof glue plate fills the back space of the housing behind the rear face to enclose the exposed inner conductors and the corresponding tails and seal the rear face of the housing.

Abstract: An electrical connector includes an insulative housing, a plurality of passageways, a plurality of blade type contacts retained to the retaining grooves in the corresponding passageways, a spacer located in a rear receiving space of the housing with corresponding slits through which tails of the contacts rearwardly extend, and a plurality of wires having the inner conductors soldered upon the tails of the contacts behind the spacer. A waterproof glue plate fills the receiving space of the housing to enclose the exposed inner conductors and the corresponding tails. A plurality of passages are formed in one side of the peripheral wall, through which the wires extend in a vertical direction perpendicular to the horizontal direction along which the contacts extend. The spacer forms a recess to receive a protrusion of the glue plate, and the protrusion is located adjacent to the passages for assuring sealing around said passages.

Abstract: The electrical connector includes an insulative housing having a columnar section and an annular groove surrounding the columnar section. The column section includes a mating face and a plurality of power contact passageways and a plurality of signal contact passageways extending through the mating face wherein the signal contacts and the power contacts are commonly arranged with a cross configuration area to have the signal contacts located by opposite upper and lower sides of the power contacts. Both the power contacts and the signal contacts of the plug connector are of a blade type while both the power contacts and the signal contacts of the receptacle connector are of a clamp type wherein each signal contact has one clamping structure while each power contact has a pair of clamping structures side by side arranged with each other.

Abstract: The invention provides a method for improving efficiency of a power converter which may include a switch coupled between a power source and a middle node, and may supply an inductor current at the middle node to result in an output voltage and a load current. The method may comprise: during an intermediate mode, controlling the inductor current to ripple with peaks at a peak current threshold and valleys which may vary as the load current varies.

Abstract: An electrical connector assembly includes a receptacle connector and a plug connector mateable with each other. Each of the receptacle connector and the plug connector defines a first mating face and a second mating face perpendicular to each other in response to mating along the front-to-back direction and the vertical direction. Each of the receptacle connector and the plug connector includes a plurality of contacts composed of a plurality of first contacts and a plurality of contact units alternately arranged with each other along the transverse direction perpendicular to both the front-to-back direction and the vertical direction. Each contact unit includes a second contact and a third contact wherein the second contact is closer to the second mating face than the third contact is while the third contact is closer to the first mating face than the second contact is.

Abstract: The invention provides a method for improving efficiency of a power converter which may include a switch coupled between a power source and a middle node, and may supply an inductor current at the middle node to result in an output voltage and a load current. The method may comprise: during an intermediate mode, controlling the inductor current to ripple with peaks at a peak current threshold and valleys which may vary as the load current varies.

Abstract: A semiconductor device includes a P-type substrate, a first isolation region, a plurality of first N-well walls, and an electrostatic discharge (ESD) clamp circuit. The first isolation region is formed within the P-type substrate. The ESD clamp circuit is arranged to discharge ESD current upon detection of an ESD event, and includes a clamping component that is arranged to provide a discharge path for the ESD current. The clamping component is formed on a region wrapped in the first isolation layer and the first N-well walls.

Abstract: A card edge connector includes an insulative housing and a number of terminals retained in the insulative housing. The insulative housing defines a slot going through a front surface thereof to receive an electrical card. Each terminal includes a contacting portion extending into the slot and a tail extending out of the insulating housing. The insulative housing has a retaining wall above the slot. The card edge connector further includes a nut retained in the retaining wall, and cooperating with an external retaining member to fix the heat dissipation module to the insulative housing. The card edge connector can be adapted to expand the module of the existing electrical card to meet diverse needs of customers.

Abstract: An electrical receptacle connector includes an insulative housing forming a pair of receiving slots, two pairs of contacts are retained in the housing and located by two sides of the corresponding receiving slots, respectively. Each contact has a frame having four sides with a pair of first spring arms extending from two opposite sides toward each other and extending into the receiving slot with the corresponding contact points at different levels. A second spring arm extends from another side into the receiving slot. A deflection direction of the first spring arms is perpendicular to that of the second spring arm, and the first spring arms contact one side of the blade type contact of the plug connector and the second spring arm contacts another side of the blade type contact of the plug connector.

Abstract: Voltage regulators and related methods are described. The voltage regulators described in the application may include an operational amplifier, an output transistor, and a signal buffer connected between the operational amplifier and the output transistor. In some embodiments, these voltage regulators are used in connection with memory units. A voltage regulator may be arranged such that the signal amplifier clamps the voltage at the gate of the output transistor to the output voltage when the memory unit is in an idle mode. In this way, when the memory is accessed, the amplitude and duration of output voltage overshoots can be limited, relative to some voltage regulators.

Abstract: The electrical connector includes an insulative housing having a columnar section and an annular groove surrounding the columnar section. The column section includes a mating face and a plurality of power contact passageways and a plurality of signal contact passageways extending through the mating face wherein the signal contacts and the power contacts are commonly arranged with a cross configuration area to have the signal contacts located by opposite upper and lower sides of the power contacts. Both the power contacts and the signal contacts of the plug connector are of a blade type while both the power contacts and the signal contacts of the receptacle connector are of a clamp type wherein each signal contact has one clamping structure while each power contact has a pair of clamping structures side by side arranged with each other.

Abstract: An electrical connector includes an insulative housing defining a mating chamber opening forwardly along a front-to-back direction, a number of contacts retained to the insulative housing, and a shielding plate having a pair of latch arms located at two opposite lateral sides of the mating chamber. Each of the contacts includes a contact portion extending into the mating chamber. The shielding plate includes a pair of retention arms each including an interference protrusion engaged with the insulative housing by interference fit. The interference protrusions are disposed in a face-to-face way to engage with a rear wall of the insulative housing so that the interference protrusions are retained tightly to insulative housing and less likely to damage the insulative housing.

Abstract: A card edge connector includes a longitudinal insulative housing, a number of terminals retained in the insulative housing, a pair of transparent members mounted to the insulative housing, and a metallic shell surrounding around the insulative housing. The insulative housing has two side walls extending along a longitudinal direction, two end walls connecting between the longitudinal ends of the two side walls and a center slot defined therebetween. The metallic shell includes two covering portions respectively located above the two side walls in a vertical direction perpendicular to the longitudinal direction. Each of the covering portions has a number of through-holes arranged above the transparent members to leak out the light transferred therefrom.

Abstract: An electrical receptacle connector includes an insulative housing forming a pair of receiving slots, two pairs of contacts are retained in the housing and located by two sides of the corresponding receiving slots, respectively. Each contact has a frame having four sides with a pair of first spring arms extending from two opposite sides toward each other and extending into the receiving slot with the corresponding contact points at different levels. A second spring arm extends from another side into the receiving slot. A deflection direction of the first spring arms is perpendicular to that of the second spring arm, and the first spring arms contact one side of the blade type contact of the plug connector and the second spring arm contacts another side of the blade type contact of the plug connector.

Abstract: Voltage regulators and related methods are described. The voltage regulators described in the application may include an operational amplifier, an output transistor, and a signal buffer connected between the operational amplifier and the output transistor. In some embodiments, these voltage regulators are used in connection with memory units. A voltage regulator may be arranged such that the signal amplifier clamps the voltage at the gate of the output transistor to the output voltage when the memory unit is in an idle mode. In this way, when the memory is accessed, the amplitude and duration of output voltage overshoots can be limited, relative to some voltage regulators.

Abstract: A card edge connector includes an insulative housing and a number of terminals retained in the insulative housing. The insulative housing defines a slot going through a front surface thereof to receive an electrical card. Each terminal includes a contacting portion extending into the slot and a tail extending out of the insulating housing. The insulative housing has a retaining wall above the slot. The card edge connector further includes a nut retained in the retaining wall, and cooperating with an external retaining member to fix the heat dissipation module to the insulative housing. The card edge connector can be adapted to expand the module of the existing electrical card to meet diverse needs of customers.