KA7908

Output Type : Fixed
Maximum Operating Temperature : + 125 C
Mounting Style : Through Hole
Package / Case : TO-220
Load Regulation : 160 mV
Line Regulation : 160 mV
Polarity : Negative
Input Voltage MAX : - 35 V
Output Voltage : - 8 V
Output Current : 2.2 A


Specifications

Product	Product status	Eco Status	Pricing*	Package type	Leads	Packing method	Package Drawing	Package Marking Convention**
KA7908TU	Full Production	RoHS Compliant	$0.408	TO-220	3	RAIL	T03B	Line 1: $Y (Fairchild logo) Line 2: &3 Line 3: KA7908

* Fairchild 1,000 piece Budgetary Pricing

** A sample button will appear if the part is available through Fairchild's on-line samples program. If there is no sample button, please contact a Fairchild distributor to obtain samples

Package marking information for product KA7908 is available. Click here for more information .

Description

The KA79XX/KA79XXA series of three-terminal negative regulatorsare available in TO-220 package and with several fixed outputvoltages, making them useful in a wide range of applications.Each type employs internal current limiting, thermalshutdown and safe operating area protection, making itessentially indestructible.

The KA7908 is designed as one kind of bridge rectifier that has three points of features:(1)high surge current capability; (2)reliable construction technique; (3)ideal for printed circuit board.

The absolute maximum ratings of the KA7908 can be summarized as:(1)Maximum Repetitive Reverse Voltage: 50 to 1000 V;(2)Maximum RMS Bridge Input Voltage: 35 to 700 V;(3)DC Reverse Voltage: 50 to 1000 V;(4)Average Rectified Forward Current, @ TA = 50°C: 8.0 A;(5)Non-repetitive Peak Forward Surge Current: 300 A;(6)Storage Temperature Range: -55 to +150 °C;(7)Operating Junction Temperature: -55 to +150 °C;(8)Power Dissipation: 6.9 W;(9)Thermal Resistance, Junction to Ambient: 18 °C/W.

The electrical characteristics of the KA7908 can be summarized as:(1)Forward Voltage, per bridge @ 8.0 A: 1.0 V;(2)Reverse Current, total bridge @ rated VR TA = 25°C: 10 uA;(3)Reverse Current, total bridge @ rated VR TA = 100°C: 500 uA. If you want to know more information such as the electrical characteristics about the KA7908, please download the datasheet in www.seekic.com or www.chinaicmart.com .