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Updated at 02/11/2025 10:30:15(UTC+8)

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Description

RF POWER BIPOLAR TRANSISTORS VHF MOBILE APPLICATIONS
DESCRIPTION
The SD1477 is a 12.5 V Class C epitaxial silicon NPN planar transistor designed primarily for VHF
FM communications. This device utilizes diffused emitter resistors to withstand extremely high
VSWR under rated operating conditions, and is in ternally input matched to optimize power gain and efficiency over the 136 - 175 MHz band.
FEATURES SUMMARY
■ 175 MHz
■ 12.5 VOLTS
■ COMMON EMITTER
■ POUT= 100 W MIN. WITH 6.0 dB GAIN

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SD1477 Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	6 Pin
Case/Package	M-111
Voltage Rating (DC)	18.0 V
Current Rating	20.0 A
Power Dissipation	270 W
Breakdown Voltage (Collector to Emitter)	18 V
Gain	6 dB
hFE Min	10 @5A, 5V
hFE Max	10 @5A, 5V
Input Power (Max)	270 W
Operating Temperature (Max)	200 ℃
Operating Temperature (Min)	-65 ℃
Power Dissipation (Max)	270000 mW
	Show
Size-Length	24.89 mm
Size-Width	21.97 mm
Size-Height	7.11 mm
Operating Temperature	200℃ (TJ)
Product Lifecycle Status	Obsolete
Packaging	Tray
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

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The terms here are for reference only, the actual terms are subject to the sales quotation.
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