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For Reference Only

Part Number MJE800STU
Manufacturer Fairchild/ON Semiconductor
Description TRANS NPN DARL 60V 4A TO126
Datasheet MJE800STUDatasheet
Package TO-225AA, TO-126-3
In Stock 3840 piece(s)
Unit Price $ 0.61 *
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Lead Time Can Ship Immediately
Estimated Delivery Time Apr 10 - Apr 15 (Choose Expedited Shipping)
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ManufacturerFairchild/ON Semiconductor
CategoryDiscrete Semiconductor Products - Transistors - Bipolar (BJT) - Single
Datasheet MJE800STUDatasheet
PackageTO-225AA, TO-126-3
Transistor TypeNPN - Darlington
Current - Collector (Ic) (Max)4A
Voltage - Collector Emitter Breakdown (Max)60V
Vce Saturation (Max) @ Ib, Ic2.5V @ 30mA, 1.5A
Current - Collector Cutoff (Max)100µA
DC Current Gain (hFE) (Min) @ Ic, Vce750 @ 1.5A, 3V
Power - Max40W
Operating Temperature150°C (TJ)
Mounting TypeThrough Hole
Package / CaseTO-225AA, TO-126-3
Supplier Device PackageTO-126


Page 1

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To learn more about ON Semiconductor, please visit our website at Please note: As part of the Fairchild Semiconductor integration, some of the Fairchild orderable part numbers will need to change in order to meet ON Semiconductor’s system requirements. Since the ON Semiconductor product management systems do not have the ability to manage part nomenclature that utilizes an underscore (_), the underscore (_) in the Fairchild part numbers will be changed to a dash (-). This document may contain device numbers with an underscore (_). Please check the ON Semiconductor website to verify the updated device numbers. The most current and up-to-date ordering information can be found at Please email any questions regarding the system integration to Is Now Part of ON Semiconductor and the ON Semiconductor logo are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor’s product/patent coverage may be accessed at ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON Semiconductor data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.

Page 3

©2001 Fairchild Semiconductor Corporation Rev. A1, February 2001 M J E 8 0 0 /8 0 1 /8 0 2 /8 0 3 NPN Epitaxial Silicon Darlington Transistor Absolute Maximum Ratings TC=25° C unless otherwise noted Electrical Characteristics TC=25° C unless otherwise noted Symbol Parameter Value Units VCBO Collector- Base Voltage : MJE800/801 : MJE802/803 60 80 V V VCEO Collector-Emitter Voltage : MJE800/801 : MJE802/803 60 80 V V VEBO Emitter-Base Voltage 5 V IC Collector Current 4 A IB Base Current 0.1 A PC Collector Dissipation (TC=25° C) 40 W TJ Junction Temperature 150 ° C TSTG Storage Temperature - 55 ~ 150 ° C Symbol Parameter Test Condition Min. Max. Units BVCEO Collector-Emitter Breakdown Voltage : MJE800/801 : MJE802/803 IC = 50mA, IB = 0 60 80 V V ICEO Collector Cut-off Current : MJE800/801 : MJE802/803 VCE = 60V, IB = 0 VCE = 80V, IB = 0 100 100 µ A µ A ICBO Collector Cut-off Current VCB = Rated BVCEO, IE = 0 VCB = Rated BVCEO, IE = 0 TC = 100° C 100 500 µ A µ A IEBO Emitter Cut-off Current VBE = 5V, IC = 0 2 mA hFE DC Current Gain : MJE800/802 : MJE801/803 : ALL DEVICES VCE = 3V, IC = 1.5A VCE = 3V, IC = 2A VCE = 3V, IC = 4A 750 750 100 VCE(sat) Collector-Emitter Saturation Voltage : MJE800/802 : MJE801/803 : ALL DEVICES IC = 1.5A, IB = 30mA IC = 2A, IB = 40mA IC = 4A, IB = 40mA 2.5 2.8 3 V V V VBE(on) Base-Emitter ON Voltage : MJE800/802 : MJE801/803 : ALL DEVICES VCE = 3V, IC = 1.5A VCE = 3V, IC = 2A VCE = 3V, IC = 4A 2.5 2.5 3 V V V MJE800/801/802/803 Monolithic Construction With Built-in Base- Emitter Resistors • High DC Current Gain : hFE= 750 (Min.) @ IC= 1.5 and 2.0A DC • Complement to MJE700/701/702/703 R1 10k Ω≅ R2 0.6kΩ≅ Equivalent Circuit B E C R1 R2 1 TO-126 1. Emitter 2.Collector 3.Base

Page 4

©2001 Fairchild Semiconductor Corporation M J E 8 0 0 /8 0 1 /8 0 2 /8 0 3 Rev. A1, February 2001 Typical Characteristics Figure 1. Static Characteristic Figure 2. DC current Gain Figure 3. Collector-Emitter Saturation Voltage Base-Emitter Saturation Voltage Figure 4. Collector Output Capacitance Figure 5. Safe Operating Area Figure 6. Power Derating 0 1 2 3 4 5 0 1 2 3 4 5 IB= 350µ A IB= 400µ A IB= 450µ A IB= 500µ A IB= 300µ A IB= 250µ A IB= 200µ A IB= 150µ A IB= 100µ A IB= 50µ A I C (A ), C O L L E C T O R C U R R E N T VCE(V),COLLECTOR-EMITTER VOLTAGE 0.01 0.1 1 10 10 100 1000 10000 VCE = 3V h F E , D C C U R R E N T G A IN IC[A], COLLECTOR CURRENT 0.01 0.1 1 10 0.1 1 10 100 IC = 500 IB VCE(sat) VBE(sat) V B E (s at ), V C E (s at )[ V ], S A T U R A T IO N V O L T A G E IC[A], COLLECTOR CURRENT 0.01 0.1 1 10 100 1 10 100 1000 f=0.1MHZ IE=0 C o b [p F ], C A P A C IT A N C E VCB[V], COLLECTOR-BASE VOLTAGE 1 10 100 1000 0.1 1 10 100 MJE802/803 D.C. 5m s 1m s MJE800/801 100µ s I C [A ], C O L LE C T O R C U R R E N T VCE[V], COLLECTOR-EMITTER VOLTAGE 0 25 50 75 100 125 150 175 0 10 20 30 40 50 60 P C [W ], P O W E R D IS S IP A T IO N TC[ o C], CASE TEMPERATURE

Page 5

Package Demensions ©2001 Fairchild Semiconductor Corporation Rev. A1, February 2001 M J E 8 0 0 /8 0 1 /8 0 2 /8 0 3 Dimensions in Millimeters 3.25 ± 0.208.00 ± 0.30 ø3.20 ± 0.10 0.75 ± 0.10 #1 0.75 ± 0.10 2.28TYP [2.28± 0.20] 2.28TYP [2.28± 0.20] 1.60 ± 0.10 1 1 .0 0 ± 0 .2 0 3 .9 0 ± 0 .1 0 1 4 .2 0 M A X 1 6 .1 0 ± 0 .2 0 1 3 .0 6 ± 0 .3 0 1.75 ± 0.20 (0.50)(1.00) 0.50 +0.10 –0.05 TO-126

Page 6

©2001 Fairchild Semiconductor Corporation Rev. G TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR INTERNATIONAL. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, or (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Product Status Definition Advance Information Formative or In Design This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. Preliminary First Production This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. No Identification Needed Full Production This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only. ACEx™ Bottomless™ CoolFET™ CROSSVOLT™ DOME™ E2CMOS™ EnSigna™ FACT™ FACT Quiet Series™ FAST® FASTr™ GlobalOptoisolator™ GTO™ HiSeC™ ISOPLANAR™ MICROWIRE™ OPTOLOGIC™ OPTOPLANAR™ PACMAN™ POP™ PowerTrench® QFET™ QS™ QT Optoelectronics™ Quiet Series™ LILENT SWITCHER® SMART START™ SuperSOT™-3 SuperSOT™-6 SuperSOT™-8 SyncFET™ TinyLogic™ VCX™ UHC™


Average User Rating
5 / 5 (79)
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December 14, 2019

This product is very easy to replace and solved my problem.


November 30, 2019

I like doing business with Heisener. Get all the items I want. The website is well organized, intuitive, works correctly and pages load quickly. Well done!


November 8, 2019

Solved my electrical back feed problems on my alternator.


October 26, 2019

Quality made product satisfied with my purchase. Thanks.


October 17, 2019

Very Quick,no problems - Thank you.


September 20, 2019

Itams as described Fast and cheap shipping.


September 16, 2019

Great communication. A pleasure to do business with.


September 2, 2019

I am very happy with how Heisener do business. Will definitely buy their products in the future as I have confidence in their customer service.


August 27, 2019

Fast shipping, items are exactly as promised. Reliable company to work with.


August 20, 2019

Pleased with this purchase, good, quick service and item exactly as shown.


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We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.


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