Datasheets
MPSA42 by:
onsemi
ABB Industrial Connection and Solution
Allegro MicroSystems LLC
Central Semiconductor Corp
Changjiang Electronics Tech (CJ)
Continental Device India Ltd
Crimson Semiconductor Inc
Diodes Incorporated
Diotec Semiconductor AG
EBV Chips
EIC Semiconductor Inc
Fairchild Semiconductor Corporation
Foshan Blue Rocket Electronics Co Ltd
Freescale Semiconductor
General Electric Company
General Electric Solid State
Generic Manufacturer
Harris Semiconductor
HSMC Corporation
Infineon Technologies AG
International Devices Inc
Intersil Corporation
KEC
knitter-switch
Kuwait Semiconductor Co Ltd
Lite-On Semiconductor Corporation
Luguang Electronic Technology Co Ltd
Lumimax Optoelectronic Technology
Micro Commercial Components
Micro Electronics Corporation
Micro Electronics Ltd
Motorola Mobility LLC
Motorola Semiconductor Products
National Semiconductor Corporation
North American Philips Discrete Products Div
NTE Electronics Inc
NXP Semiconductors
onsemi
Philips Semiconductors
Plessey Semiconductors Ltd
Rectron Semiconductor
Rochester Electronics LLC
Samsung Semiconductor
Secos Corporation
Semiconductor Technology Inc
Semiconductors Inc
Semitronics Corp
Shanghai Lunsure Electronic Technology Co Ltd
Siemens
Signetics
SPC Multicomp
Surge Components Inc
Suzhou Good-Ark Electronics Co Ltd
SY Sinyork Co Ltd
Taitron Components Inc
Texas Instruments
Thomson Consumer Electronics
Toshiba America Electronic Components
Transys Electronics Limited
TT Electronics Power and Hybrid / Semelab Limited
TT Electronics Resistors
Unisonic Technologies Co Ltd
Usha International Ltd
Vishay Intertechnologies
Vishay Semiconductors
Vishay Sprague
WEITRON INTERNATIONAL CO., LTD.
Zetex / Diodes Inc
Not Found

NPN Bipolar Small Signal Transistor, TO-92-3, 10000-BLKBG

Part Details for MPSA42 by onsemi

Results Overview of MPSA42 by onsemi

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Applications Consumer Electronics Audio and Video Systems

MPSA42 Information

MPSA42 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.

Price & Stock for MPSA42

Part # Distributor Description Stock Price Buy
DISTI # 97K5369
Newark Trans, Npn, 300V, 0.5A, 150Deg C, 0.625W, Transistor Polarity:Npn, Collector Emitter Voltage Max:3... 00V, Continuous Collector Current:500Ma, Power Dissipation:625Mw, Transistor Mounting:Through Hole, No. Of Pins:3Pins, Product Range:- Rohs Compliant: Yes |Onsemi MPSA42 more RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk 380351
  • 1 $0.0550
  • 25 $0.0550
  • 100 $0.0550
  • 500 $0.0550
  • 1,000 $0.0550
  • 2,500 $0.0550
  • 10,000 $0.0550
  • 25,000 $0.0550
$0.0550 Buy Now
DISTI # 26AC2404
Newark Npn/Hiv To-92 Rohs Compliant: Yes |Onsemi MPSA42 RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk 27801
  • 1 $0.2590
  • 25 $0.2080
  • 100 $0.1240
  • 500 $0.0970
  • 1,000 $0.0710
  • 2,500 $0.0660
  • 10,000 $0.0630
  • 25,000 $0.0610
$0.0610 / $0.2590 Buy Now
DISTI # MPSA42FS-ND
DigiKey TRANS NPN 300V 0.5A TO-92-3 Min Qty: 1 Lead time: 10 Weeks Container: Bulk 7386
In Stock
  • 1 $0.4300
  • 10 $0.2660
  • 100 $0.1680
  • 500 $0.1254
  • 1,000 $0.1117
  • 2,000 $0.1001
  • 5,000 $0.0875
  • 10,000 $0.0797
  • 50,000 $0.0661
$0.0661 / $0.4300 Buy Now
DISTI # MPSA42
Avnet Americas Transistor GP BJT NPN 300V 0.5A 3-Pin TO-92 Bulk - Bulk (Alt: MPSA42) RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 10 Weeks, 0 Days Container: Bulk 27801
  • 1 $0.0676
  • 10 $0.0661
  • 30 $0.0651
  • 50 $0.0641
  • 100 $0.0631
$0.0631 / $0.0676 Buy Now
DISTI # 97K5369
Avnet Americas Transistor GP BJT NPN 300V 0.5A 3-Pin TO-92 Bulk - Bulk (Alt: 97K5369) RoHS: Not Compliant Min Qty: 1 Package Multiple: 1 Lead time: 19 Weeks, 0 Days Container: Bulk 34954 Partner Stock
  • 1 $0.2470
  • 25 $0.1980
  • 100 $0.1190
  • 500 $0.0940
  • 1,000 $0.0690
$0.0690 / $0.2470 Buy Now
DISTI # MPSA42
Avnet Americas Transistor GP BJT NPN 300V 0.5A 3-Pin TO-92 Bulk - Bulk (Alt: MPSA42) RoHS: Compliant Min Qty: 20000 Package Multiple: 10000 Container: Bulk 0
  • 20,000 $0.0637
  • 40,000 $0.0614
  • 60,000 $0.0592
  • 100,000 $0.0571
  • 200,000 $0.0552
$0.0552 / $0.0637 Buy Now
DISTI # 512-MPSA42
Mouser Electronics Bipolar Transistors - BJT NPN Bipolar Small Signal Transistor RoHS: Compliant 12433
  • 1 $0.3200
  • 10 $0.2010
  • 100 $0.0990
  • 1,000 $0.0840
  • 2,500 $0.0760
  • 10,000 $0.0710
  • 30,000 $0.0660
  • 50,000 $0.0650
$0.0650 / $0.3200 Buy Now
DISTI # E02:0323_00045426
Arrow Electronics Trans GP BJT NPN 300V 0.5A 625mW 3-Pin TO-92 Bag RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 10 Weeks Date Code: 2423 Europe - 5335
  • 1 $0.1961
  • 25 $0.1942
  • 100 $0.0966
  • 500 $0.0813
  • 1,000 $0.0776
  • 2,500 $0.0708
  • 10,000 $0.0619
  • 25,000 $0.0588
$0.0588 / $0.1961 Buy Now
Future Electronics MPSA42 Series NPN 625 mW 300V 500mA Through Hole Small Signal Transistor - TO-92 RoHS: Compliant pbFree: Yes Min Qty: 20000 Package Multiple: 1000 Lead time: 7 Weeks Container: Bulk 0
Bulk
  • 1,000 $0.0593
  • 3,000 $0.0577
  • 5,000 $0.0570
  • 15,000 $0.0555
  • 25,000 $0.0541
$0.0541 / $0.0593 Buy Now
Future Electronics MPSA42 Series NPN 625 mW 300V 500mA Through Hole Small Signal Transistor - TO-92 RoHS: Compliant pbFree: Yes Min Qty: 20000 Package Multiple: 1000 Lead time: 7 Weeks Container: Bulk 0
Bulk
  • 1,000 $0.0593
  • 3,000 $0.0577
  • 5,000 $0.0570
  • 15,000 $0.0555
  • 25,000 $0.0541
$0.0541 / $0.0593 Buy Now
Future Electronics MPSA42 Series NPN 625 mW 300V 500mA Through Hole Small Signal Transistor - TO-92 RoHS: Compliant pbFree: Yes Min Qty: 1 Package Multiple: 2 Lead time: 10 Weeks Container: Cut Tape/Mini-Reel 0
Cut Tape/Mini-Reel
  • 1 $0.0541
$0.0541 Buy Now
Future Electronics MPSA42 Series NPN 625 mW 300V 500mA Through Hole Small Signal Transistor - TO-92 RoHS: Compliant pbFree: Yes Min Qty: 10080 Package Multiple: 240 Lead time: 10 Weeks Container: Bulk 0
Bulk
  • 240 $0.0616
  • 960 $0.0596
  • 3,600 $0.0577
  • 9,600 $0.0563
  • 24,000 $0.0541
$0.0541 / $0.0616 Buy Now
Onlinecomponents.com Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 RoHS: Compliant 12250 In Stock
  • 250 $0.0742
  • 2,500 $0.0681
  • 5,000 $0.0671
  • 7,500 $0.0661
  • 30,000 $0.0629
  • 50,000 $0.0620
  • 100,000 $0.0610
  • 150,000 $0.0601
$0.0601 / $0.0742 Buy Now
DISTI # 86000238
Verical Trans GP BJT NPN 300V 0.5A 625mW 3-Pin TO-92 Bag RoHS: Compliant Min Qty: 5111 Package Multiple: 1 Date Code: 2201 Americas - 142052
  • 5,111 $0.0734
$0.0734 Buy Now
DISTI # 86001864
Verical Trans GP BJT NPN 300V 0.5A 625mW 3-Pin TO-92 Bag RoHS: Compliant Min Qty: 5111 Package Multiple: 1 Date Code: 2101 Americas - 96338
  • 5,111 $0.0734
$0.0734 Buy Now
DISTI # 85999119
Verical Trans GP BJT NPN 300V 0.5A 625mW 3-Pin TO-92 Bag RoHS: Compliant Min Qty: 5111 Package Multiple: 1 Date Code: 2301 Americas - 36395
  • 5,111 $0.0734
$0.0734 Buy Now
DISTI # 83605197
Verical Trans GP BJT NPN 300V 0.5A 625mW 3-Pin TO-92 Bag RoHS: Compliant Min Qty: 750 Package Multiple: 250 Date Code: 2423 Americas - 12250
  • 750 $0.0965
  • 2,500 $0.0885
  • 5,000 $0.0872
  • 7,500 $0.0859
  • 30,000 $0.0818
$0.0818 / $0.0965 Buy Now
DISTI # 83630505
Verical Trans GP BJT NPN 300V 0.5A 625mW 3-Pin TO-92 Bag RoHS: Compliant Min Qty: 84 Package Multiple: 1 Date Code: 2423 Americas - 5292
  • 83 $0.1918
  • 100 $0.0954
  • 500 $0.0803
  • 1,000 $0.0767
  • 2,500 $0.0699
  • 10,000 $0.0611
  • 25,000 $0.0580
$0.0580 / $0.1918 Buy Now
Quest Components 500 MA, 300 V, NPN, SI, SMALL SIGNAL TRANSISTOR, TO-92 3993
  • 1 $1.0000
  • 168 $0.2000
  • 2,001 $0.1500
$0.1500 / $1.0000 Buy Now
Rochester Electronics Small Signal Bipolar Transistor, 0.05A, 300V, NPN, TO-92 RoHS: Compliant Status: Active Min Qty: 1 289916
  • 1 $0.0690
  • 25 $0.0676
  • 100 $0.0649
  • 500 $0.0621
  • 1,000 $0.0587
$0.0587 / $0.0690 Buy Now
DISTI # MPSA42-FAI
TME Transistor: NPN, bipolar, 300V, 0.5A, 0.625W, TO92 Min Qty: 1 5924
  • 1 $0.3720
  • 3 $0.2920
  • 10 $0.2640
  • 25 $0.2050
  • 100 $0.1230
  • 250 $0.1110
  • 500 $0.0970
  • 1,000 $0.0920
  • 2,000 $0.0820
  • 10,000 $0.0780
$0.0780 / $0.3720 Buy Now
DISTI # SMC-MPSA42
Sensible Micro Corporation Header Connector,Cable Mount,Plug,6 Contacts,0.198 Pitch,Locking Mech |Molex RoHS: Not Compliant Min Qty: 25 Lead time: 0 Weeks, 1 Days Container: Bulk 297
  • 100 $0.0585
  • 500 $0.0570
  • 1,000 $0.0540
$0.0540 / $0.0585 RFQ
Chip 1 Exchange INSTOCK 13000
RFQ
DISTI # MPSA42
Avnet Asia Transistor GP BJT NPN 300V 0.5A 3-Pin TO-92 Bulk (Alt: MPSA42) RoHS: Compliant Min Qty: 20000 Package Multiple: 10000 Lead time: 10 Weeks, 0 Days 0
  • 20,000 $0.0654
  • 40,000 $0.0645
  • 60,000 $0.0637
  • 100,000 $0.0629
  • 200,000 $0.0614
  • 500,000 $0.0599
  • 1,000,000 $0.0585
$0.0585 / $0.0654 Buy Now
DISTI # MPSA42
Avnet Silica Transistor GP BJT NPN 300V 05A 3Pin TO92 Bulk (Alt: MPSA42) RoHS: Compliant Min Qty: 10000 Package Multiple: 10000 Lead time: 11 Weeks, 0 Days Silica - 10000
Buy Now
Component Electronics, Inc IN STOCK SHIP TODAY 4975
  • 1 $0.7700
  • 100 $0.5800
  • 1,000 $0.5000
$0.5000 / $0.7700 Buy Now
DISTI # MPSA42
EBV Elektronik Transistor GP BJT NPN 300V 05A 3Pin TO92 Bulk (Alt: MPSA42) RoHS: Compliant Min Qty: 10000 Package Multiple: 10000 Lead time: 12 Weeks, 0 Days EBV - 0
Buy Now
Flip Electronics Stock, ship today 13636
RFQ
LCSC 300V 625mW 251.0mA10V 500mA NPN TO-92-3 Bipolar (BJT) ROHS 415
  • 5 $0.1411
  • 50 $0.1110
  • 150 $0.0944
  • 1,000 $0.0843
  • 2,000 $0.0757
  • 5,000 $0.0710
$0.0710 / $0.1411 Buy Now
Master Electronics Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 RoHS: Compliant 12250 In Stock
  • 250 $0.0742
  • 2,500 $0.0681
  • 5,000 $0.0671
  • 7,500 $0.0661
  • 30,000 $0.0629
  • 50,000 $0.0620
  • 100,000 $0.0610
  • 150,000 $0.0601
$0.0601 / $0.0742 Buy Now
New Advantage Corporation MPSA42 Series NPN 625 mW 300V 500mA Through Hole Small Signal Transistor - TO-92 RoHS: Compliant Min Qty: 1 Package Multiple: 1000 15000
  • 2,000 $0.0924
  • 15,000 $0.0863
$0.0863 / $0.0924 Buy Now
Wuhan P&S NPN Bipolar Small Signal Transistor Min Qty: 1 10000
  • 1 $0.1733
  • 100 $0.1106
  • 500 $0.0912
  • 1,000 $0.0839
$0.0839 / $0.1733 Buy Now

Part Details for MPSA42

MPSA42 CAD Models

MPSA42 Part Data Attributes

MPSA42 onsemi
Buy Now Datasheet
Compare Parts:
MPSA42 onsemi NPN Bipolar Small Signal Transistor, TO-92-3, 10000-BLKBG
Select a part to compare:
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer ONSEMI
Part Package Code TO-92-3
Package Description TO-226AA, 3 PIN
Pin Count 3
Manufacturer Package Code 135AN
Reach Compliance Code compliant
ECCN Code EAR99
Factory Lead Time 19 Weeks
Samacsys Manufacturer onsemi
Collector Current-Max (IC) 0.5 A
Collector-Emitter Voltage-Max 300 V
Configuration SINGLE
DC Current Gain-Min (hFE) 40
JEDEC-95 Code TO-92
JESD-30 Code O-PBCY-T3
JESD-609 Code e3
Number of Elements 1
Number of Terminals 3
Operating Temperature-Max 150 °C
Operating Temperature-Min -55 °C
Package Body Material PLASTIC/EPOXY
Package Shape ROUND
Package Style CYLINDRICAL
Polarity/Channel Type NPN
Power Dissipation-Max (Abs) 0.625 W
Qualification Status Not Qualified
Surface Mount NO
Terminal Finish MATTE TIN
Terminal Form THROUGH-HOLE
Terminal Position BOTTOM
Transistor Application AMPLIFIER
Transistor Element Material SILICON
Transition Frequency-Nom (fT) 50 MHz

Alternate Parts for MPSA42

This table gives cross-reference parts and alternative options found for MPSA42. 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 MPSA42, 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
MPSA42 Surge Components Inc Check for Price Small Signal Bipolar Transistor, TO-92, MPSA42 vs MPSA42
MPSA42ZL1 Motorola Mobility LLC Check for Price 500mA, 300V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92 MPSA42 vs MPSA42ZL1
MPSA42RLRP Motorola Semiconductor Products Check for Price Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 MPSA42 vs MPSA42RLRP
MPSA42-T/R NXP Semiconductors Check for Price 100mA, 300V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC, SC-43A, 3 PIN MPSA42 vs MPSA42-T/R
MPSA42RLRP Motorola Mobility LLC Check for Price 500mA, 300V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92 MPSA42 vs MPSA42RLRP
MPSA42D75Z Fairchild Semiconductor Corporation Check for Price Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 MPSA42 vs MPSA42D75Z
MPSA42-BP Micro Commercial Components Check for Price Small Signal Bipolar Transistor, 0.3A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, ROHS COMPLIANT, PLASTIC PACKAGE-3 MPSA42 vs MPSA42-BP
MPSA42 National Semiconductor Corporation Check for Price Small Signal Bipolar Transistor, 0.2A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 MPSA42 vs MPSA42
MPSA42 Transys Electronics Limited Check for Price Small Signal Bipolar Transistor, 0.5A I(C), NPN MPSA42 vs MPSA42
MPSA42 Diotec Semiconductor AG Check for Price Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, ROHS COMPLIANT, PLASTIC PACKAGE-3 MPSA42 vs MPSA42
Part Number Manufacturer Composite Price Description Compare
BF420-AP Micro Commercial Components Check for Price Small Signal Bipolar Transistor, 0.1A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, ROHS COMPLIANT, PLASTIC PACKAGE-3 MPSA42 vs BF420-AP
MPSA42TRE Central Semiconductor Corp Check for Price Small Signal Bipolar Transistor, 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, MPSA42 vs MPSA42TRE
MPSA42J18Z Fairchild Semiconductor Corporation Check for Price Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, 3 PIN MPSA42 vs MPSA42J18Z
MPSA42 Siemens Check for Price Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, TO-92, 3 PIN MPSA42 vs MPSA42
MPSA43 Diodes Incorporated Check for Price Small Signal Bipolar Transistor, 0.5A I(C), 200V V(BR)CEO, 1-Element, NPN, Silicon, PLASTIC, TO-92 COMPATIBLE, E-LINE PACKAGE-3 MPSA42 vs MPSA43
MPSA42-18 Motorola Semiconductor Products Check for Price Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon MPSA42 vs MPSA42-18
2N6517TA onsemi $0.1125 500 mA High Voltage Bipolar Junction Transistors, TO-92-3 LF, 2000-FNFLD MPSA42 vs 2N6517TA
MPSA42 Lite-On Semiconductor Corporation Check for Price Small Signal Bipolar Transistor, 0.2A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 MPSA42 vs MPSA42
2N6517STOE Diodes Incorporated Check for Price Small Signal Bipolar Transistor, 0.5A I(C), 350V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, 3 PIN MPSA42 vs 2N6517STOE
2N6515G onsemi Check for Price 500mA, 250V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, CASE 29-11, 3 PIN MPSA42 vs 2N6515G

MPSA42 Related Parts

MPSA42 Frequently Asked Questions (FAQ)

  • The maximum safe operating area (SOA) for the MPSA42 is not explicitly stated in the datasheet, but it can be estimated based on the device's thermal and electrical characteristics. A general guideline is to limit the device's power dissipation to 1.5W or less, and to ensure that the junction temperature remains below 150°C.

  • To ensure the MPSA42 is properly biased for linear operation, it's essential to set the quiescent current (Iq) to around 1-2mA, and the collector-emitter voltage (Vce) to around 5-10V. This can be achieved by using a voltage divider network to set the base voltage, and a current-limiting resistor to set the collector current.

  • For optimal performance and thermal management, it's recommended to use a multi-layer PCB with a solid ground plane, and to place the MPSA42 near a heat sink or a thermal pad. Ensure that the device is mounted with the correct orientation, and that the leads are not bent or stressed. A thermal interface material (TIM) can be used to improve heat transfer between the device and the heat sink.

  • While the MPSA42 is primarily designed for linear applications, it can be used in switching applications with some limitations. The device's switching frequency should be limited to around 100kHz or less, and the collector current should be limited to around 100mA or less. Additionally, the device's switching losses should be minimized by using a suitable driver circuit and ensuring that the device is properly biased.

  • To protect the MPSA42 from electrostatic discharge (ESD), it's essential to handle the device with proper ESD precautions, such as using an ESD wrist strap or mat, and storing the device in an anti-static bag or container. Additionally, the device's pins should be connected to a suitable ESD protection circuit, such as a TVS diode or a Zener diode, to prevent voltage spikes and transients.