MOTOROLA HEP231 Germanium Transistor 7439

( Brand: Motorola ), ( Manufacturer Part Number: HEP231 ), ( Bundle Listing: No )

Review MOTOROLA Pnp Germanium Transistor

The Motorola 7439 Hep231 is a vintage, high-performance germanium transistor that has been a staple in the electronics industry for decades. This transistor is a NPN type, which means it has three terminals: the emitter, the base, and the collector.

The Motorola 7439 Hep231 is known for its exceptional gain and power handling capabilities, making it an ideal choice for a wide range of applications in electronic circuits. Its germanium construction provides a unique character and sound quality that is often preferred in audio amplifiers and other audio-related applications.

The transistor features a collector-emitter current rating of 500mA and a collector-emitter voltage rating of 100V. It also has a maximum power dissipation of 0.25W. The base-emitter junction voltage is around 0.7V, and the forward current gain is typically around 100.

The Motorola 7439 Hep231 is a versatile component that can be used in a variety of applications, including amplifiers, oscillators, and logic circuits. Its vintage status and high performance make it a popular choice among DIY electronics enthusiasts and vintage audio aficionados.

In summary, the Motorola 7439 Hep231 is a powerful, high-gain NPN germanium transistor that offers excellent performance and versatility. With its collector-emitter current rating of 500mA, collector-emitter voltage rating of 100V, and maximum power dissipation of 0.25W, this transistor is a reliable and robust component for a wide range of electronic applications.

1. Historical interest: These transistors are considered vintage and collecting them can be an interesting hobby for electronics enthusiasts.

2. Learning opportunity: Using a germanium transistor can be a good learning experience for those interested in electronics, as they work differently than modern silicon transistors.

3. Availability: They are still available for purchase from various online retailers, making it relatively easy to obtain one.

1. Limited functionality: Compared to modern transistors, germanium transistors have lower gain, slower switching speed, and higher noise level.

2. Fragility: They are more susceptible to damage from heat, humidity, and physical shock, which can reduce their lifespan.

3. Lower performance: Due to the limitations of germanium, these transistors may not perform as well as modern silicon transistors in many applications.

If you are an electronics enthusiast or collector, a Hep231 Motorola 7439 germanium transistor can be an interesting addition to your collection. However, keep in mind that it may not perform as well as modern transistors in many applications and may be more susceptible to damage.

If you are looking for a transistor for a specific project, it is recommended to use a modern silicon transistor, as they offer better performance and reliability. However, if you are interested in electronics history or collecting, a Hep231 Motorola 7439 germanium transistor can be a fun and educational addition to your collection.

Details:

Motorola HEP231 7439 pnp germanium to-3 transistor brand new, government surplus, never been installed. Pictures best represent the product. What you see is will receive. No other accessories.

Please view all actual pictures.

part #: hep231 prices

• $16.00-$80.00

specifications vintaelec:

• brand: Motorola
• mpn: Hep231
• bundle listing: No

Offer vintaelec:

• quantity: 1
• best offer: false
• bids: 0
• Sold: 0
• Started: November 13, 2017, 7:27 pm

General vintaelec:

• vintage electronics > equipment
• in stock: Yes

Seller vintaelec:

• city: Greeley, Colorado
• zipcode: 80634

Returns vintaelec:

• time: 14 Days
• paid by: Buyer
• type: Money Back
• policy: returns accepted

Payments vintaelec:

• PayPal

Shipping vintaelec:

• type: Flat
• cost: $3.95
• handling: 3 days

Ratings:

1. Great seller 11-07-17
2. Great buyer! Will do business again! 11-12-17
3. Great ! Thank you for shopping at Computer Part Discounters! 11-07-17
4. Great Super Fast Payment A A A A 11-08-17
5. Works okay. thank you 11-11-17

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