Product Summary

The KA7918 is a three-terminal negative regulator. It is available in TO-220 package and with several fixed output voltages, making the KA7918 useful in a wide range of applications. Each type employs internal current limiting, thermal shutdown and safe operating area protection, making it essentially indestructible.

Parametrics

KA7918 absolute maximum ratings: (1)VRRM, Maximum Repetitive Reverse Voltage: 50V; (2)VRMS, Maximum RMS Bridge Input Voltage: 35V; (3)VR, DC Reverse Voltage (Rated VR): 50V; (4)IF(AV), Average Rectified Forward Current, @ TA = 50℃: 8.0 A; (5)IFSM, Non-repetitive Peak Forward Surge Current: 300 A; (6)Tstg, Storage Temperature Range: -55 to +150℃; (7)TJ, Operating Junction Temperature: -55 to +150℃.

Features

KA7918 features: (1)High surge current capability; (2)Reliable construction technique; (3)Ideal for printed circuit board.

Diagrams

KA7918 internal block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
KA7918
KA7918
Fairchild Semiconductor
Linear Regulators - Standard
Data Sheet
Negotiable 
KA7918TU
KA7918TU
Fairchild Semiconductor
Linear Regulators - Standard Negative Voltage Reg 3Terminal 1a
Data Sheet
0-1: $0.38
1-25: $0.34
25-100: $0.29
100-250: $0.25
KA7918TSTU
KA7918TSTU
Fairchild Semiconductor
Linear Regulators - Standard Short Leads
Data Sheet
Negotiable