MOTOROLA MPS4126 Data Sheet
Summary
This technical data sheet provides comprehensive specifications for the MPS4126, a high-performance PNP Silicon small-signal transistor. Engineered for demanding electronic applications, it details maximum electrical ratings, detailed switching parameters (ON/OFF characteristics), and critical datasheet information necessary for circuit design. Ideal for electronics engineers, hardware designers, and technicians who require precise performance data to select and integrate reliable solid-state components into their professional circuitry.
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SEMICONDUCTOR TECHNICAL DATA by MPS4126/D
PNP Silicon
COLLECTOR
EMITTER
CASE 29–04, STYLE 1 TO–92 (TO–226AA)
MAXIMUM RATINGS
Rating Symbol Value Unit
Collector–Emitter Voltage VCE –25 Vdc Collector–Base Voltage VCB –25 Vdc Emitter–Base Voltage VEB –4.0 Vdc Collector Current — Continuous IC –200 m Adc Total Power Dissipation @ TA = 25°C PD m W Derate above 25°C 5.0 m W/°C Total Power Dissipation @ TC = 25°C PD 1.5 Derate above 25°C m W/°C Operating and Storage Junction TJ, Tstg –55 to +150 °C Temperature Range
THERMAL CHARACTERISTICS
Characteristic Symbol Max Unit
Thermal Resistance, Junction to Ambient RJA °C/W Thermal Resistance, Junction to Case RJC 83.3 °C/W
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic Symbol Min Max Unit
OFF CHARACTERISTICS Collector–Emitter Breakdown Voltage V(BR)CEO Vdc (IC = –1.0 m A, IB = 0) –25 Collector–Base Breakdown Voltage V(BR)CBO Vdc
(IC = –10 A, IE = 0) –25
Emitter–Base Breakdown Voltage V(BR)EBO Vdc
(IC = 0, IE = –10 A) –4.0
Collector Cutoff Current ICBO n Adc (VCB = –20 V, IE = 0) –50 Emitter Cutoff Current IEBO n Adc (VEB = –3.0 V, IC = 0) –50
(Replaces MPS4125/D)
1Motorola Small–Signal Transistors, FETs and Diodes Device Data
Motorola, Inc. 1997
Page Summary Contents For MOTOROLA MPS4126 Data Sheet
Manual Details
| Brand | Motorola |
|---|---|
| Pages | 4 |
| File Size | 59.99 KB |
| Published | June 05, 2026 |
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Frequently Asked Questions
Is this transistor safe for life support systems or surgical implants?
No, it is not designed or intended for use in applications meant to sustain life or implanted into the body.
What is the maximum collector power dissipation allowed at 25°C?
The total power dissipation (P) must not exceed 625 mW at an ambient temperature of 25°C.
How does the maximum rated power dissipate if the operating temperature increases?
When derating above 25°C, the maximum total power dissipation is limited to 12 mW/°C increase in ambient temperature.
What electrical voltage limit must be maintained for the Collector–Emitter Breakdown Voltage (Vce)?
The minimum required value for the Collector–Emitter Breakdown Voltage (VbrCEO) is –25 Vdc.