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Updated at 17/06/2025 10:30:15(UTC+8)

Certifications

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Description

These high power 50 W Zener diodes represented by the JEDEC registered 1N3305 thru 1N3350B and 1N4549 thru 1N4556B series provide voltage regulation in a selection over a 3.9 V to 200 V broad range of voltages. They may be operated up to 50 W with adequate mounting and heat sinking with their low thermal resistance. These Zeners are also available in JAN, JANTX, JANTXV military qualifications. Microsemi also offers numerous other Zener products to meet higher and lower power applications.

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1N3317B Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Number of Pins	2 Pin
Case/Package	DO-203AB
Capacitance Tolerance	±5 %
Forward Voltage	1.5V @10A
Test Current	700 mA
Zener Voltage	18 V
Maximum Forward Voltage (Max)	1.5V @10A
Input Power (Max)	50 W
Operating Temperature (Max)	175 ℃
Operating Temperature (Min)	-65 ℃
Power Dissipation (Max)	50 W
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Operating Temperature	-65℃ ~ 175℃
Product Lifecycle Status	Not Recommended for New Designs
Packaging	Bulk
RoHS	RoHS Compliant
Lead-Free Status

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