MMBTA42 Semtech

MMBTA42 electronic component of Semtech
MMBTA42 Semtech
MMBTA42 Bipolar Transistors - BJT
MMBTA42 Semiconductors
Images are for reference only, See Product Specifications

X-On Electronics has gained recognition as a prominent supplier of MMBTA42 Bipolar Transistors - BJT across the USA, India, Europe, Australia, and various other global locations. MMBTA42 Bipolar Transistors - BJT are a product manufactured by Semtech. We provide cost-effective solutions for Bipolar Transistors - BJT, ensuring timely deliveries around the world.

Part No. MMBTA42
Manufacturer: Semtech
Category: Bipolar Transistors - BJT
Description: Transistors (NPN/PNP) NPN 500mA 300V SOT-23 (SOT-23-3) RoHS
Datasheet: MMBTA42 Datasheet (PDF)
Price (USD)
20: USD 0.0472 ea
Line Total: USD 0.94 
Availability : 2502
  
Ship by Fri. 28 Nov to Thu. 04 Dec
QtyUnit Price
20$ 0.0472
200$ 0.0372
600$ 0.0316
3000$ 0.0181
9000$ 0.0161
21000$ 0.015

 MMBTA42 More Buying Options & Price Grid(s)
Availability 2502
Ship by Fri. 28 Nov to Thu. 04 Dec
MOQ : 20
Multiples : 20
QtyUnit Price
20$ 0.0472
200$ 0.0372
600$ 0.0316
3000$ 0.0181
9000$ 0.0161
21000$ 0.015

Specifications

   
Manufacturer
Product Category
Packaging
Rohs
Package
Transistor Type
Current - Collector Ic Max
Voltage - Collector Emitter Breakdown Max
Power - Max
LoadingGif
 
Notes:- Show Stocked Products With Similar Attributes.

MMBTA42 Alternative Parts

Image Part-Description
Stock Image MMBTA42 JSMSEMI
200V 350mW 500mA 25@10A,1V 50MHz 500mV@20mA,2mA -55℃~+150℃@(Tj) SOT-23 Bipolar Transistors - BJT ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 130050
Stock Image MMBTA42 ALJ
300V 350mW 300mA NPN SOT-23 Bipolar (BJT) ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 15850
Stock Image MMBTA42 Wild Goose
SOT-23 Bipolar Transistors - BJT ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 600
Stock Image MMBTA42 Jingdao
300V 350mW 200@10mA,10V 300mA NPN SOT-23 Bipolar Transistors - BJT ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 5400
Stock Image MMBTA42 Juxing Electronic Technology
65V 350mW 60@1mA,10V 100mA NPN SOT-23 Bipolar Transistors - BJT ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 2680
Stock Image MMBTA42 GOODWORK
300V 300mW 100@10mA,10V 300mA NPN SOT-23 Bipolar Transistors - BJT ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 4760
Stock Image MMBTA42 SLKORMICRO
Transistors (NPN/PNP) SOT-23 RoHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 3000
Stock Image MMBTA42 Youtai
Transistors (NPN/PNP) SOT-23-3 RoHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 2860
Stock Image MMBTA42 FUXINSEMI
Transistors (NPN/PNP) SOT-23 RoHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 2230
Stock Image MMBTA42 Shikues
SOT-23 Bipolar Transistors - BJT ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 2940
Stock Image MMBTA42 Yongyutai Electronics
300V 350mW 500mA NPN SOT-23 Bipolar Transistors - BJT ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 4380
Stock Image MMBTA42 High Diode
Transistors (NPN/PNP) SOT-23 RoHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 3320
Stock Image MMBTA42 YFW Electronics
300V 350mW 60@1mA,10V 500mA NPN SOT-23 Bipolar Transistors - BJT ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 1340
Stock Image MMBTA42 NH
300V 300mW 500mA NPN SOT-23 Bipolar Transistors - BJT ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 2760
Stock Image MMBTA42 LGE
Transistors (NPN/PNP) SOT-23 RoHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 2920
Stock Image MMBTA42 Changjing Electronics Technology
Transistors (NPN/PNP) NPN 300mA 300V SOT-23 (SOT-23-3) RoHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 78720
Stock Image MMBTA42 Hottech
Transistors (NPN/PNP) NPN 300mA 300V SOT-23 (SOT-23-3) RoHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 26017
Stock Image MMBTA42 ElecSuper
300V 350mW 60 300mA NPN SOT-23 Bipolar Transistors - BJT ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 260
Stock Image MMBTA42 Blue Rocket
Transistors (NPN/PNP) NPN 500mA 300V SOT-23 RoHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 15520
Stock Image MMBTA42 Yangjie
Transistor: NPN; bipolar; 300V; 0.5A; 350mW; SOT23
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 1840
Stock Image MMBTA42 Diotec
Trans GP BJT NPN 300V 0.5A 250mW 3-Pin SOT-23 T/R
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 155398

We are delighted to provide the MMBTA42 from our Bipolar Transistors - BJT category, at competitive rates not only in the United States, Australia, and India, but also across Europe and beyond. A long established and extensive electronic component distribution network has enhanced our global reach and dependability, ensuring cost savings through prompt deliveries worldwide. Client satisfaction is at the heart of our business, where every component counts and every customer matters. Our technical service team is ready to assist you. From product selection to after-sales support, we strive to deliver a seamless and satisfying experience. Are you ready to experience the best in electronic component distribution? Contact X-ON Electronics today and discover why X-On are a preferred choice for the MMBTA42 and other electronic components in the Bipolar Transistors - BJT category and beyond.

More Products By Manufacturer "Semtech"

Image Part-Description
Stock Image UCLAMP0541Z.TFT
ESD Suppressors / TVS Diodes 1-Line 5V 9pF ESD SLP0603P2X3 15k-pcs
Stock : 7993
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image LL4148
Switching Diode 75V 200mA 1V @ 10mA 4ns LL-34 RoHS
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 1N4148W
Switching Diode 75V 150mA 1.25V @ 150mA 4ns SOD-123 RoHS
Stock : 3086500
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image MMBT3904
Transistors (NPN/PNP) NPN 200mA 40V SOT-23 (SOT-23-3) RoHS
Stock : 2200
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image MMBT3906
Transistors (NPN/PNP) PNP 200mA 40V SOT-23 (SOT-23-3) RoHS
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image MMBT9014C
Transistors (NPN/PNP) NPN 100mA 45V SOT-23 (SOT-23-3) RoHS
Stock : 13200
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 2SA733P
Transistors (NPN/PNP) PNP 150mA 50V TO-92 (TO-92-3) RoHS
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image MMBT9014B
Transistors (NPN/PNP) NPN 100mA 45V TO-236 RoHS
Stock : 2850
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image MMBT9014D
Transistors (NPN/PNP) NPN 100mA 45V SOT-23 (SOT-23-3) RoHS
Stock : 9000
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 1N4148
Diodes - General Purpose 100V 200mA 1V @ 10mA DO-35 RoHS
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

More Products By Category "Bipolar Transistors - BJT"

Image Part-Description
Stock Image 2N5401
Central Semiconductor Bipolar Transistors - BJT PNP Gen Pr Amp
Stock : 1
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 2SD1898T100Q
Bipolar (BJT) Transistor NPN 80 V 1 A 100MHz 2 W Surface Mount MPT3
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image MJE170G
Bipolar (BJT) Transistor PNP 40 V 3 A 50MHz 1.5 W Through Hole TO-126
Stock : 8000
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image FMMT551TA
Bipolar Transistors - BJT PNP Medium Power
Stock : 9000
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Hot Stock Image BC807DS,115
Transistors Bipolar - BJT TRANS DOUBLE TAPE-7
Stock : 23410
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image NSS60601MZ4T3G
ON Semiconductor Bipolar Transistors - BJT 60V6A LOW VCE(SAT) NPN
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image KSC2330YTA
Bipolar (BJT) Transistor NPN 300 V 100 mA 50MHz 1 W Through Hole TO-92-3
Stock : 214000
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image CMUT2907A TR
Central Semiconductor Bipolar Transistors - BJT PNP
Stock : 8901
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 2SC4117-BL,LF
Bipolar Transistors - BJT Transistor for Low Freq. Amplification
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 2N4401
Trans GP BJT NPN 40V 0.6A 3-Pin TO-92 Bulk
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Additional Infomation About Product

The MMBTA42 with Transistors is a NPN (Negative Positive Negative) type transistor manufactured by Semtech in a SOT-23-3 package, which is RoHS (Restriction of Hazardous Substances) compliant. This transistor has a rated power rating of 500 mA and a voltage rating of 300 Volts and is intended for use in switching, linear, and digital applications. It also features excellent ESD (electrostatic discharge) protection and low noise characteristics, making it suitable for use in high performance applications.

HS Compliance

Tariff Desc

8541.21.00 16 No - - With a dissipation rate of less than 1 W Free

DIODES, TRANSISTORS AND SIMILAR SEMICONDUCTOR DEVICES; PHOTOSENSITIVE SEMICONDUCTOR DEVICES,

SEM may also be referenced as

Semtech
Semtech Corporation
SEMTECH ELECTRONICS LIMITED
SEMTECH INTERNATIONAL
ST(Semtech)

CHAR-112A150H Relays by Churod – High Power 30A Relay
CHAR-112A150H Relays by Churod – High Power 30A Relay image

Jun 8, 2025
CHAR-112A150H General Purpose Relay by Churod offers 30A switching, 12V DC coil, UL & TUV certification, and compact design—ideal for industrial and home automation systems.

STPS340U Schottky Diodes by Tokmas – Buy Online at XON
STPS340U Schottky Diodes by Tokmas – Buy Online at XON image

Aug 20, 2025
The STPS340U Schottky Diodes & Rectifiers by Tokmas deliver high efficiency with low forward voltage drop and fast switching. Ideal for SMPS, DC/DC converters, and automotive electronics. Buy at XON with global delivery.

SK 09 37,5 SA TO 220 Heat Sinks Fisher
SK 09 37,5 SA TO 220 Heat Sinks Fisher image

Sep 3, 2025
The SK 09 37,5 SA TO 220 Heat Sinks by Fisher feature durable aluminum construction, compact design, and excellent thermal conductivity, ensuring reliable cooling for power semiconductors worldwide.

EA2-5NU Low Signal Relays - PCB by KEMET
EA2-5NU Low Signal Relays - PCB by KEMET image

Jul 23, 2025
EA2-5NU Low Signal Relays - PCB by KEMET are compact, efficient, and ideal for sensitive signal switching. Available now at Xon Electronics with global shipping.

Looking for help? Visit our FAQ's Section to answer to all your questions

Resources

Company

Support

 

X-ON Worldwide Electronics

Welcome To X-ON Electronics
For over three decades, we have been advocating and shaping the electronic components industry. Our management complements our worldwide business scope and focus. We are committed to innovation, backed by a strong business foundation. If you need a trustworthy supplier of electronic components for your business – look no further.
  +61 8 9358 9358 |   sales@x-on.com.au |   Chat
 
Policies | Terms and Conditions | Sitemap

Copyright ©2025  X-ON Electronics Services. All rights reserved.
Please ensure you have read and understood our Terms & Conditions before purchasing. All prices exclude GST.

Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted AS9120 Certified