18TQ050

Recovery Time :
Maximum Power Dissipation :
Mounting Style : Through Hole
Configuration : Single
Product : Schottky Rectifiers
Packaging : Tube
Package / Case : TO-220AC
Operating Temperature Range : - 55 C to + 175 C
Peak Reverse Voltage : 50 V
Forward Continuous Current : 18 A
Maximum Reverse Leakage Current : 2500 uA
Max Surge Current : 1800 A
Forward Voltage Drop : 0.72 V at 36 A


Features:

• 175 T_J operation
• Low forward voltage drop
• High frequency operation
• High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance
• Guard ring for enhanced ruggedness and long term reliability
• Lead (Pb)-free ("PbF" suffix)
• Designed and qualified for industrial level


Specifications

PARAMETER	SYMBOL	TEST CONDITIONS		VALUES	UNITS
Maximum average forward current See fig. 5	IF(AV)	50 % duty cycle at TC = 149, rectangular waveform		18	A
Maximum peak one cycle non-repetitive surge current See fig. 7	IFSM	5 s sine or 3 s rect. pulse	Following any rated load condition and with rated VRRM applied	1800
		10 ms sine or 6 ms rect. pulse		390
Non-repetitive avalanche energy	EAS	TJ = 25, IAS = 3.6 A, L = 3.7 mH		24	mJ
Repetitive avalanche current	IAR	Current decaying linearly to zero in 1 s Frequency limited by TJ maximum VA = 1.5 x VR typical		3.6	A

Description

The 18TQ050 Schottky rectifier series has been optimized for low reverse leakage at high temperature. The proprietary barrier technology allows for reliable operation up to 175 junction temperature. Typical applications of 18TQ050 are in switching power supplies, converters, freewheeling diodes, and reverse battery protection.