Fairchild MJD42C Data Sheet
Summary
The MJD42C is a General Purpose Amplifier and low-speed switching transistor designed for reliable electronic power applications. Available in surface mount and straight lead packages, it offers electrical performance similar to the popular TIP42C series. This manual provides comprehensive details including absolute maximum ratings, full electrical specifications, typical operational curves (e.g., saturation voltage, current gain), and package dimensions. It is essential documentation for engineers and circuit designers developing power electronics that require dependable switching or amplification components.
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JD 42C
MJD42C
General Purpose Amplifier Low Speed Switching Applications Load Formed for Surface Mount Application (No Suffix) Straight Lead (I-PAK, “- I” Suffix) Electrically Similar to Popular TIP42C D-PAK I-PAK1
1.Base 2.Collector 3.Emitter
PNP Epitaxial Silicon Transistor Absolute Maximum Ratings TC=25°C unless otherwise noted Symbol Parameter Value Units VCBO Collector-Base Voltage -100
VCEO Collector-Emitter Voltage -100 VEBO Emitter-Base Voltage -5 IC Collector Current (DC) -6 ICP Collector Current (Pulse) -10
IB Base Current -2
Collector Dissipation (TC=25°C)
Collector Dissipation (Ta=25°C) 1.75
TJ Junction Temperature °C TSTG Storage Temperature - 65 ~ 150 °C
Electrical Characteristics TC=25°C unless otherwise noted Symbol Parameter Test Condition Min. Max. Units VCEO(sus) * Collector-Emitter Sustaining Voltage IC = - 30m A, IB = 0 -100
ICEO Collector Cut-off Current VCE = -60V, IB = 0 -50 µA ICES Collector Cut-off Current VCE = -100V, VBE = 0 -10 µA IEBO Emitter Cut-off Current VBE = -5V, IC = 0 -0.5 m A * DC Current Gain VCE = -4V, IC = -0.3A
VCE = -4V, IC = -3A
VCE(sat) * Collector-Emitter Saturation Voltage IC = -6A, IB = -600m A -1.5 VBE(on) * Base-Emitter ON Voltage VCE = -6A, IC = -4A -2 f T Current Gain Bandwidth Product VCE = -10V, IC = -500m A MHz
* Pulse Test: PW≤300µs, Duty Cycle≤2%
©2001 Fairchild Semiconductor Corporation Rev. A2, June 2001
Page Summary Contents For Fairchild MJD42C Data Sheet
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 5 |
| File Size | 46.16 KB |
| Published | July 07, 2026 |
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Frequently Asked Questions
What is the absolute maximum DC collector current?
The maximum rated collector current (I_C) is -6 A.
Can this amplifier be used in life support systems?
No, it requires express written approval from Fairchild Semiconductor Corporation.
What is the nominal power dissipation at 25°C?
For T = 25°C, the collector dissipation is rated up to 20 W.