MJE802G
Trans Darlington NPN 80V 4A 40000mW 3-Pin(3+Tab) TO-225 Box
Inventory:6,276
- 90-day after-sales guarantee
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Part Number : MJE802G
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Package/Case : TO-225AA
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Manufacturer : onsemi
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Components Classification : Single Bipolar Transistors
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Datesheet : MJE802G DataSheet (PDF)
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Series : MJE802
Overview of MJE802G
The MJE802G is a Bipolar (BJT) Transistor NPN - Darlington optimized for high-gain, low-noise amplification, fast switching, and high-frequency operation. It provides excellent performance for efficient power conversion and minimized heat.
Pinout
The MJE802G pinout refers to the configuration and function of each pin in its TO-126 package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the MJE802G has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.
Features
- High-Gain, Low-Noise Amplification: The MJE802G offers high-gain amplification with low noise levels, making it suitable for applications where signal integrity is crucial.
- Fast Switching, High Frequency Operation: This transistor can operate at high frequencies and switch quickly, allowing for efficient power conversion and minimized heat generation.
- Efficient Power Conversion, Minimized Heat: The MJE802G is designed to convert power efficiently while minimizing heat generation, making it suitable for applications where thermal management is critical.
- Low Input Current, High Output Power: This transistor can handle low input currents and produce high output powers, making it suitable for applications where power efficiency is important.
- Safe Operating Area, Overcurrent Protection: The MJE802G has a safe operating area that protects the device from overcurrent conditions, ensuring reliable operation in harsh environments.
- High Isolation, Low Electromagnetic Interference: This transistor provides high isolation and low electromagnetic interference (EMI), making it suitable for applications where electromagnetic compatibility is critical.
Advantages and Disadvantages
Advantages
- High-Gain Amplification: The MJE802G offers high-gain amplification, making it suitable for applications where signal integrity is crucial.
- Fast Switching and High Frequency Operation: This transistor can operate at high frequencies and switch quickly, allowing for efficient power conversion and minimized heat generation.
Disadvantages
- Limited Operating Temperature Range: The MJE802G has a limited operating temperature range, which may affect its performance in extreme environments.
Equivalents
For similar functionalities, consider these alternatives to the MJE802G:
- NPN Darlington Transistor: Other NPN darlington transistors with similar features and applications can be considered as alternatives.
Frequently Asked Questions
Q: What is the operating voltage of the MJE802G?
A: The operating voltage of the MJE802G is 80V.
Q: What is the maximum current rating of the MJE802G?
A: The maximum current rating of the MJE802G is 4A.
Q: What is the package type of the MJE802G?
A: The package type of the MJE802G is TO-126 and TO-225AA.
Q: Is the MJE802G suitable for high-frequency applications?
A: Yes, the MJE802G can operate at high frequencies and switch quickly, making it suitable for high-frequency applications.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Package | Bulk | Product Status | Obsolete |
Transistor Type | NPN - Darlington | Current - Collector (Ic) (Max) | 4 A |
Voltage - Collector Emitter Breakdown (Max) | 80 V | Vce Saturation (Max) @ Ib, Ic | 2.5V @ 30mA, 1.5A |
Current - Collector Cutoff (Max) | 100µA | DC Current Gain (hFE) (Min) @ Ic, Vce | 750 @ 1.5A, 3V |
Power - Max | 40 W | Operating Temperature | -55°C ~ 150°C (TJ) |
Mounting Type | Through Hole | Package / Case | TO-225AA, TO-126-3 |
Supplier Device Package | TO-126 | Base Product Number | MJE802 |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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MJE802G
Trans Darlington NPN 80V 4A 40000mW 3-Pin(3+Tab) TO-225 Box
Inventory:
6,276
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.







Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.




Payment
Which payment methods can be used to pay for goods
Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.




