Discrete Semiconductor Products

MJE521

Obsolete

ON Semiconductor

POWER 4A 40V NPN SILICON

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Search across all available documentation for this part.

DocumentsPackage Drawing-77-09-TO-225 Datasheet

Discrete Semiconductor Products

MJE521

Obsolete

ON Semiconductor

POWER 4A 40V NPN SILICON

Deep-Dive with AI

DocumentsPackage Drawing-77-09-TO-225 Datasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	MJE521

Current - Collector (Ic) (Max) [Max]	4 A
Current - Collector Cutoff (Max) [Max]	100 µA
DC Current Gain (hFE) (Min) @ Ic, Vce [Min]	40
Mounting Type	Through Hole
Operating Temperature [Max]	150 °C
Operating Temperature [Min]	-65 °C
Package / Case	TO-225AA, TO-126-3
Power - Max [Max]	40 W
Supplier Device Package	TO-126
Transistor Type	NPN
Voltage - Collector Emitter Breakdown (Max) [Max]	40 V

MJE521 Series

Power 4A 40V NPN Silicon

Part	Supplier Device Package	Package / Case	Voltage - Collector Emitter Breakdown (Max) [Max]	DC Current Gain (hFE) (Min) @ Ic, Vce [Min]	Transistor Type	Current - Collector Cutoff (Max) [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Mounting Type	Power - Max [Max]	Current - Collector (Ic) (Max) [Max]
ON Semiconductor MJE521	TO-126	TO-126-3 TO-225AA	40 V	40	NPN	100 µA	150 °C	-65 °C	Through Hole	40 W	4 A

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Description

General part information

MJE521 Series

...designed for use in general-purpose amplifier and switching circuits. Recommended for use in 5 to 10 Watt audio amplifiers utilizing complementary symmetry circuitry.