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Transistor - 2SD77, Germanium, TO-1 case, NPN

Name: Transistor - 2SD77, Germanium, TO-1 case, NPN
SKU: P-Q2SD77
Price: 1.65 USD
Availability: InStock

$1^.65

In Stock

2SD77 NPN germanium transistors. The 2SD77 is a popular NPN for fuzz pedals and other effects. The NPN polarity allows for use with standard pedal power supplies.

Product Data
Measurements and Specifications

SKU:

P-Q2SD77

Item ID:

046456

Element:

Package:

Polarity:

Series:

Type:

Product Measurements by Type
Element		Ge
Max. Collector-Base Voltage		25 V
Max. Collector-Emitter Voltage		25 V
Max. Collector Current		0.1 A
Max. Collector Power Dissipation		0.15 W
Max. Emitter-Base Voltage		12 V
Max. Operating Junction Temperature		150 °C
Min. Forward Current Transfer Ratio		40
Package		TO-1
Polarity		NPN
Transition Frequency		2 MHz

Packaging Information
Packaging Dimensions		1.805 in. × 0.265 in. × 0.265 in.
Weight (Packaging)		0.001 lbs.

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Questions and Answers

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1 answers I am building a basic NPN fuzz face pedal and I am looking for a pair of NPN Germanium transistors. I have heard that the exact type of transistors it up to taste, but will this work?

Asked by Joey Blanchard on October 17th, 2022.

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BradWbr

October 17th, 2022

Staff Member

They will, but you would need to either select two of these from a batch of them, or select the other components based off the ratings of two specific transistors.