Transistor AC178K PNP Germanium

Name: Transistor AC178K PNP Germanium
Brand: Αντωνιάδης | antoniadis.com.cy
SKU: TRAC178K
Price: 1.4 EUR
Availability: InStock

Transistors

Reference: TRAC178K

Part.No: AC178K

€1.40

In Stock

Immediate Dispatch

The AC178K is a PNP Germanium audio frequency transistor. The "K" suffix denotes its built-in metal heatsink block.

Add to cart

Subscribe To When In Stock

You have successfully subscribed to this product

Description
Product Details

Germanium Transistor AC178K - Ideal for Vintage Audio

The AC178K is a robust PNP germanium transistor with an integrated heatsink block, designed for driver/output stages.

Heat Dissipation: The block helps prevent thermal runaway.
Audio Stages: Ideal replacement for older generation amplifiers.

Frequently Asked Questions

Q: What does the K mean?
A: It indicates the square metal block attached to the transistor acting as a heatsink.

Type / Polarity	PNP Germanium
Application	Audio Frequency (AF)
Special Feature	Metal Heatsink Block (K)

Note: The price is for one (1) piece. The component is shipped in bulk without individual packaging.

Transistor Type: BJT (Bipolar Junction Transistor)
Transistor Polarity / Channel: PNP
Transistor Case Style: TO-1

16 other products in the same category:

Transistor BC158 PNP 25 V 100 mA 300 mW SOT-25

Transistors

Transistor BC158 PNP, 100mA SOT-25

Reference:

TRBC158

€0.60

The BC158 is a general-purpose PNP Bipolar Junction Transistor (BJT) in a compact SOT-25 package. Suited for small-signal amplification and low-power switching in general electronics and DIY projects.

In Stock

Transistors

Power Transistor BD243 NPN, 6A TO-220

Reference:

TRBD243

€1.20

The BD243 is a high-current NPN Power Transistor in a TO-220 package, engineered for audio power amplifiers, voltage regulators, and motor control circuits. Renowned for reliability and thermal stability in demanding applications.

Last items in stock

Transistors

Transistor BC231 PNP, 0.35A TO-39

Reference:

TRBC231

€1.00

The BC231 is a PNP Bipolar Junction Transistor (BJT) in a metal TO-39 package, rated for 30V and 0.35A. Suited for small-signal amplification and switching in general-purpose analog circuits.

Last items in stock

Transistors

Transistor BC143 PNP, 1A TO-39

Reference:

TRBC143

€1.00

The BC143 is a PNP silicon planar epitaxial transistor in a metal TO-39 package, originally designed as a driver-stage transistor for high-power audio amplifiers.

In Stock

Transistors

Power Transistor BDW51 NPN, TO-3

Reference:

TRBDW51

€3.55

The BDW51 is a high-power NPN Bipolar Junction Transistor (BJT) in a robust TO-3 metal package. Designed for heavy-duty linear amplification and power supply applications requiring superior thermal dissipation and reliability.

Last items in stock

Transistors

Transistor BF167 NPN, Video/RF TO-72

Reference:

TRBF167

€1.20

The BF167 is an NPN Bipolar Junction Transistor (BJT) in a shielded TO-72 package, purpose-built for video intermediate frequency (IF) and automatic gain control (AGC) applications in vintage television receivers and RF circuits.

In Stock

Transistor BD227 PNP, 45 V, 1.5 A, TO126

Transistors

Transistor BD227 PNP, 1.5A TO-126

Reference:

TRBD227

€1.20

The BD227 is a PNP Bipolar Junction Transistor (BJT) rated for 45V / 1.5A, housed in a TO-126 package. Commonly used as a driver or complementary output stage transistor in audio amplifiers and general-purpose power switching circuits.

Last items in stock

Transistors

Transistor BC130 NPN, 0.1A TO-18

Reference:

TRBC130

€1.20

The BC130 is a classic NPN Bipolar Junction Transistor (BJT) in a hermetic TO-18 metal-can package. Originally designed for low-noise audio-frequency input and driver stages.

In Stock

Transistors

Power Transistor 2SK2049 N-Channel, 50A TO-220

Reference:

TR2SK2049

€6.50

The 2SK2049 is a high-current N-Channel Power MOSFET in a TO-220 package, made by Fuji Electric. Designed for motor control, DC-DC converters and general-purpose power amplifier applications requiring low on-resistance and high drain current.

Last items in stock

Transistors

Transistor AC179K PNP Germanium

Reference:

TRAC179K

€1.40

The AC179K is a PNP Germanium audio frequency transistor. The "K" suffix denotes its built-in metal heatsink block.

In Stock

Transistors

Transistor BSX20 NPN, TO-18

Reference:

TRBSX20

€1.40

The BSX20 is a high-speed NPN Bipolar Junction Transistor (BJT) in a TO-18 metal can package. Optimized for fast switching and digital logic circuits, it is the European equivalent to the 2N2369 and ideal for counters, pulse oscillators, and legacy discrete digital designs.

In Stock

Transistors

Transistor BC161 PNP, 1A TO-39

Reference:

TRBC161

€1.00

The BC161 is a general-purpose PNP Bipolar Junction Transistor (BJT) in a metal TO-39 package, rated for 60V and 1A. Suited for driver stages, audio output and medium-power switching applications.

Last items in stock

Transistors

Transistor BFR91 NPN, 5GHz TO-50

Reference:

TRBFR91

€1.40

The BFR91 is a high-frequency NPN Bipolar Junction Transistor (BJT) in a TO-50 package, optimized for microwave and UHF applications. With a transition frequency exceeding 5 GHz, it is ideal for low-noise amplifiers (LNAs) in satellite reception, UHF receivers and broadband RF circuits.

In Stock

Transistor AF186 PNP Germanium, UHF TO-72

Transistors

Transistor AF186 PNP Germanium, UHF TO-72

Reference:

TRAF186

€1.20

The AF186 is a PNP Germanium BJT in a TO-72 metal can package, purpose-built for UHF RF amplification in vintage television tuners and radio receivers. A classic component from the golden age of analog electronics.

In Stock

Transistors

Power Transistor BU406 NPN, 8A TO-220

Reference:

TRBU406

€1.40

The BU406 is a high-voltage NPN power transistor in a TO-220 package, specifically designed for high-speed switching applications in deflection circuits and line output stages (LOPT) of CRT monitors and television receivers.

In Stock

Transistors

Transistor BLY89C

Reference:

TRBLY89

€29.50

In Stock

Monday	09:00 - 18:30
Tuesday	09:00 - 18:30
Wednesday	09:00 - 14:30
Thursday	09:00 - 18:30
Friday	09:00 - 18:30
Saturday	09:30 - 13:30