Product Overview
Motorola MJE1100 Silicon NPN Darlington Power Transistor - 60V 5A 70W TO-127 Through-Hole
Condition
Unused NOS. Sourced from an electronics parts distributor consolidating inventory. No anomalies observed. Evaluation: Visual inspection only. Function testing not performed.
Ships same business day from Idaho. Packed carefully.
Product Overview
Silicon NPN Darlington power transistor manufactured by Motorola. The Darlington configuration pairs two transistors in a single TO-127 package, delivering a minimum current gain of 750 at 3A. Designed for general-purpose power amplification, linear regulation, and high-current switching in through-hole circuit designs. Discontinued production part; commonly sought for legacy equipment repair and vintage electronics restoration.
Key Features
- Configuration: NPN Darlington
- Max Collector-Emitter Voltage (V_CEO): 60V
- Max Collector Current (I_C): 5A
- Power Dissipation (P_D): 70W
- Minimum Current Gain (h_FE): 750 at 3A
- Max Operating Junction Temperature: 150°C
- Package: TO-127 through-hole
- Manufacturer: Motorola
Applications
- General-purpose power amplification circuits
- Low-dropout linear regulators and post-regulators
- High-current DC switching stages
- Vintage audio amplifier repair and restoration
- Legacy industrial power supply repair
Frequently Asked Questions
Is this compatible with TO-220 or TO-3P footprints?
The MJE1100 is a TO-127 package. TO-127 dimensions differ from TO-220 and TO-3P. Verify your PCB or heatsink mounting footprint before ordering.
Can this replace a PNP transistor in my circuit?
No. This is an NPN Darlington. The complementary PNP equivalent is the MJE1090. It cannot substitute in PNP-based circuit positions.
Are these suitable for matched-pair audio applications?
Gain matching is not performed on this stock. If your application requires matched pairs, individual units should be tested and paired before installation.
Do these units have gold-plated leads?
Yes
