Datasheets
2N4124G by:
onsemi
onsemi
Rochester Electronics LLC
Not Found

NPN Bipolar Transistor, TO-92 25 V, 0.2 A, TO-92 (TO-226) 5.33mm Body Height, 5000-BLKBX

Part Details for 2N4124G by onsemi

Results Overview of 2N4124G by onsemi

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2N4124G Information

2N4124G by onsemi is a Small Signal Bipolar Transistor.
Small Signal Bipolar Transistors are under the broader part category of Transistors.

A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.

Part Details for 2N4124G

2N4124G CAD Models

2N4124G Part Data Attributes

2N4124G onsemi
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2N4124G onsemi NPN Bipolar Transistor, TO-92 25 V, 0.2 A, TO-92 (TO-226) 5.33mm Body Height, 5000-BLKBX
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Pbfree Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer ONSEMI
Part Package Code TO-92 (TO-226) 5.33mm Body Height
Package Description LEAD FREE, CASE 29-11, TO-226AA, 3 PIN
Pin Count 3
Manufacturer Package Code 29-11
Reach Compliance Code compliant
ECCN Code EAR99
Samacsys Manufacturer onsemi
Collector Current-Max (IC) 0.2 A
Collector-Emitter Voltage-Max 25 V
Configuration SINGLE
DC Current Gain-Min (hFE) 60
JEDEC-95 Code TO-92
JESD-30 Code O-PBCY-T3
JESD-609 Code e1
Number of Elements 1
Number of Terminals 3
Operating Temperature-Max 150 °C
Package Body Material PLASTIC/EPOXY
Package Shape ROUND
Package Style CYLINDRICAL
Peak Reflow Temperature (Cel) 260
Polarity/Channel Type NPN
Power Dissipation-Max (Abs) 0.35 W
Qualification Status Not Qualified
Surface Mount NO
Terminal Finish TIN SILVER COPPER
Terminal Form THROUGH-HOLE
Terminal Position BOTTOM
Transistor Application SWITCHING
Transistor Element Material SILICON
Transition Frequency-Nom (fT) 300 MHz

Alternate Parts for 2N4124G

This table gives cross-reference parts and alternative options found for 2N4124G. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of 2N4124G, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
2N4124TF Fairchild Semiconductor Corporation Check for Price Small Signal Bipolar Transistor, 0.2A I(C), 25V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, LEAD FREE PACKAGE-3 2N4124G vs 2N4124TF
2N4124L Zetex / Diodes Inc Check for Price Small Signal Bipolar Transistor, 0.2A I(C), 25V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 STYLE, E-LINE PACKAGE-3 2N4124G vs 2N4124L
2N4124 Crimson Semiconductor Inc Check for Price Small Signal Bipolar Transistor, 0.2A I(C), 25V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, 2N4124G vs 2N4124
2N4124 Rochester Electronics LLC Check for Price 200mA, 25V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, TO-92, 3 PIN 2N4124G vs 2N4124
2N4124STOA Diodes Incorporated Check for Price Small Signal Bipolar Transistor, 0.2A I(C), 25V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 STYLE, E-LINE PACKAGE-3 2N4124G vs 2N4124STOA
Part Number Manufacturer Composite Price Description Compare
2N4124RA Fairchild Semiconductor Corporation Check for Price Small Signal Bipolar Transistor, 0.2A I(C), 25V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, 2N4124G vs 2N4124RA
2N4124 Texas Instruments Check for Price 200mA, 25V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92 2N4124G vs 2N4124
2N4124-T/R NXP Semiconductors Check for Price TRANSISTOR 200 mA, 25 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC, SC-43, 3 PIN, BIP General Purpose Small Signal 2N4124G vs 2N4124-T/R
2N4124BU Fairchild Semiconductor Corporation Check for Price Small Signal Bipolar Transistor, 0.2A I(C), 25V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, LEAD FREE PACKAGE-3 2N4124G vs 2N4124BU
2N4124 Samsung Semiconductor Check for Price Small Signal Bipolar Transistor, 0.2A I(C), 25V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, 2N4124G vs 2N4124
2N4124 Continental Device India Ltd Check for Price Small Signal Bipolar Transistor, 0.2A I(C), 25V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, 2N4124G vs 2N4124
2N4124 Diodes Incorporated Check for Price Small Signal Bipolar Transistor, 0.2A I(C), 25V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, 2N4124G vs 2N4124
2N4124 ROHM Semiconductor Check for Price Small Signal Bipolar Transistor, 0.2A I(C), 25V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, 2N4124G vs 2N4124
2N4124 Vishay Semiconductors Check for Price Small Signal Bipolar Transistor, 0.2A I(C), 25V V(BR)CEO, 1-Element, NPN, Silicon, TO-226AA, PLASTIC, TO-92, 3 PIN 2N4124G vs 2N4124
2N4124L Diodes Incorporated Check for Price Small Signal Bipolar Transistor, 0.2A I(C), 25V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 STYLE, E-LINE PACKAGE-3 2N4124G vs 2N4124L

2N4124G Related Parts

2N4124G Frequently Asked Questions (FAQ)

  • The maximum safe operating area (SOA) for the 2N4124G is not explicitly stated in the datasheet. However, it can be estimated based on the device's thermal resistance, power dissipation, and voltage ratings. As a general guideline, the SOA is typically limited by the device's thermal capabilities, and it's recommended to operate the device within the specified maximum junction temperature (Tj) of 150°C.

  • To ensure the 2N4124G is properly biased for linear operation, it's essential to set the quiescent current (Icq) and voltage (Vceq) within the recommended operating range. This can be achieved by selecting the appropriate resistors and voltage sources for the bias network. Additionally, it's crucial to ensure the device is operated within the specified maximum power dissipation (Pd) and junction temperature (Tj) ratings.

  • The 2N4124G, like any other semiconductor device, requires proper storage and handling to prevent damage. It's recommended to store the devices in their original packaging, away from direct sunlight, moisture, and extreme temperatures. When handling the devices, it's essential to use anti-static wrist straps, mats, or other ESD protection methods to prevent electrostatic discharge damage.

  • While the 2N4124G is primarily designed for linear amplifier applications, it can be used in switching applications with some caution. However, it's essential to ensure the device is operated within its specified maximum switching frequency, and the switching waveform is carefully controlled to prevent excessive voltage or current stress. Additionally, the device's thermal capabilities and power dissipation ratings should be carefully considered to prevent overheating or damage.

  • When troubleshooting common issues with the 2N4124G, it's essential to follow a systematic approach. First, verify the device is properly biased and the power supply is stable. Check for any signs of overheating, and ensure the device is operated within its specified ratings. Next, inspect the circuit layout and component selection to ensure they are suitable for the application. Finally, use measurement tools, such as oscilloscopes or signal generators, to analyze the circuit's behavior and identify the root cause of the issue.