Datasheets
MJD340T4 by:
STMicroelectronics

NPN power transistor

Part Details for MJD340T4 by STMicroelectronics

Results Overview of MJD340T4 by STMicroelectronics

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MJD340T4 Information

MJD340T4 by STMicroelectronics is a Power Bipolar Transistor.
Power 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 MJD340T4

Part # Distributor Description Stock Price Buy
DISTI # 9935274
Farnell TRANSISTOR, NPN, D-PAK RoHS: Compliant Min Qty: 5 Lead time: 16 Weeks, 1 Days Container: Cut Tape 1242
  • 5 $0.6609
  • 50 $0.6030
  • 100 $0.4442
  • 500 $0.3594
  • 1,000 $0.2921
$0.2921 / $0.6609 Buy Now
DISTI # 9935274RL
Farnell TRANSISTOR, NPN, D-PAK RoHS: Compliant Min Qty: 100 Lead time: 16 Weeks, 1 Days Container: Reel 1242
  • 100 $0.4442
  • 500 $0.3594
  • 1,000 $0.2921
$0.2921 / $0.4442 Buy Now
DISTI # 4320061
Farnell TRANSISTOR, NPN, 300V, 0.5A, TO-252 RoHS: Compliant Min Qty: 2500 Lead time: 24 Weeks, 1 Days Container: Reel 0
  • 2,500 $0.2705
  • 7,500 $0.2652
$0.2652 / $0.2705 Buy Now
DISTI # 497-6465-1-ND
DigiKey TRANS NPN 300V 0.5A DPAK Min Qty: 1 Lead time: 14 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 7453
In Stock
  • 1 $1.1900
  • 10 $0.7440
  • 100 $0.4894
  • 500 $0.3799
  • 1,000 $0.3446
  • 2,500 $0.3064
  • 5,000 $0.2828
  • 7,500 $0.2708
  • 12,500 $0.2573
  • 17,500 $0.2546
$0.2546 / $1.1900 Buy Now
DISTI # MJD340T4
Avnet Americas Trans GP BJT NPN 300V 0.5A 3-Pin(2+Tab) DPAK T/R - Tape and Reel (Alt: MJD340T4) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 14 Weeks, 0 Days Container: Reel 0
  • 2,500 $0.1985
  • 5,000 $0.1972
  • 10,000 $0.1936
  • 15,000 $0.1901
  • 20,000 $0.1867
$0.1867 / $0.1985 Buy Now
DISTI # 511-MJD340
Mouser Electronics Bipolar Transistors - BJT NPN Gen Pur Switch RoHS: Compliant 3022
  • 1 $1.0000
  • 10 $0.6470
  • 100 $0.4460
  • 500 $0.3520
  • 1,000 $0.3130
  • 2,500 $0.2810
  • 5,000 $0.2640
  • 10,000 $0.2540
$0.2540 / $1.0000 Buy Now
DISTI # E02:0323_00209763
Arrow Electronics Trans GP BJT NPN 300V 0.5A 15000mW 3-Pin(2+Tab) DPAK T/R Min Qty: 2500 Package Multiple: 2500 Lead time: 14 Weeks Date Code: 2508 Europe - 420000
  • 2,500 $0.1835
  • 5,000 $0.1821
  • 7,500 $0.1803
  • 10,000 $0.1767
  • 12,500 $0.1750
  • 17,500 $0.1739
$0.1739 / $0.1835 Buy Now
DISTI # V72:2272_06556006
Arrow Electronics Trans GP BJT NPN 300V 0.5A 15000mW 3-Pin(2+Tab) DPAK T/R Min Qty: 1 Package Multiple: 1 Lead time: 14 Weeks Date Code: 2151 Container: Cut Strips Americas - 5250
  • 1 $0.4006
  • 10 $0.3563
  • 25 $0.3528
  • 100 $0.3030
  • 250 $0.3024
  • 500 $0.2631
  • 1,000 $0.2335
  • 3,000 $0.2039
$0.2039 / $0.4006 Buy Now
DISTI # E21:3489_00209763
Arrow Electronics Trans GP BJT NPN 300V 0.5A 15000mW 3-Pin(2+Tab) DPAK T/R Min Qty: 1 Package Multiple: 1 Lead time: 14 Weeks Date Code: 2338 Europe - 150
  • 1 $0.3061
  • 10 $0.2748
  • 100 $0.2420
  • 500 $0.2184
  • 1,000 $0.2072
  • 2,500 $0.1661
  • 5,000 $0.1627
  • 10,000 $0.1616
$0.1616 / $0.3061 Buy Now
DISTI # 70521501
RS MJD340T4 NPN Bipolar Transistor, 0.5 A, 300 V, 3-Pin TO-252 Min Qty: 25 Package Multiple: 1 Container: Bulk 0
  • 25 $0.6200
  • 250 $0.5900
  • 1,250 $0.5600
  • 2,500 $0.5300
$0.5300 / $0.6200 RFQ
STMicroelectronics NPN power transistor COO: Singapore RoHS: Compliant Min Qty: 1 3022
  • 1 $0.9800
  • 10 $0.6300
  • 100 $0.4400
  • 500 $0.3500
$0.3500 / $0.9800 Buy Now
DISTI # 12153436
Verical Trans GP BJT NPN 300V 0.5A 15000mW 3-Pin(2+Tab) DPAK T/R Min Qty: 2500 Package Multiple: 2500 Americas - 420000
  • 2,500 $0.1826
  • 5,000 $0.1813
  • 7,500 $0.1795
  • 10,000 $0.1759
  • 12,500 $0.1742
  • 17,500 $0.1731
$0.1731 / $0.1826 Buy Now
DISTI # 77591979
Verical Trans GP BJT NPN 300V 0.5A 15000mW 3-Pin(2+Tab) DPAK T/R Min Qty: 29 Package Multiple: 1 Date Code: 2151 Americas - 5250
  • 29 $0.3528
  • 100 $0.3030
  • 250 $0.3024
  • 500 $0.2631
  • 1,000 $0.2335
  • 3,000 $0.2039
$0.2039 / $0.3528 Buy Now
Bristol Electronics   1914
RFQ
Bristol Electronics   1314
RFQ
Bristol Electronics   17
RFQ
Quest Components 0.5 A, 300 V, NPN, SI, POWER TRANSISTOR 1051
  • 1 $0.7500
  • 134 $0.3750
  • 534 $0.3000
$0.3000 / $0.7500 Buy Now
Quest Components 0.5 A, 300 V, NPN, SI, POWER TRANSISTOR 48
  • 1 $0.4500
  • 12 $0.3750
$0.3750 / $0.4500 Buy Now
Quest Components 0.5 A, 300 V, NPN, SI, POWER TRANSISTOR 13
  • 1 $1.2750
  • 5 $1.0200
$1.0200 / $1.2750 Buy Now
DISTI # MJD340T4
TME Transistor: NPN, bipolar, 300V, 0.5A, 15W, DPAK Min Qty: 1 805
  • 1 $0.6880
  • 50 $0.5030
  • 100 $0.4420
  • 250 $0.3730
  • 500 $0.3320
  • 1,000 $0.3000
  • 2,500 $0.2680
  • 5,000 $0.2510
  • 10,000 $0.2380
  • 12,500 $0.2340
$0.2340 / $0.6880 Buy Now
ComSIT USA NPN SILICON POWER TRANSISTOR Power Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-252, Plastic/Epoxy, 2 Pin ECCN: EAR99 RoHS: Not Compliant Stock DE - 455
Stock ES - 6492
Stock US - 0
Stock MX - 0
Stock CN - 0
Stock HK - 0
RFQ
DISTI # MJD340T4
IBS Electronics 300V 15W 30@50MA 10V 500MA NPN TO-252-2(DPAK) BIPOLAR TRANSISTORS - BJT ROHS Min Qty: 2500 Package Multiple: 1 0
  • 2,500 $0.2860
  • 5,000 $0.2795
  • 7,500 $0.2795
$0.2795 / $0.2860 Buy Now
DISTI # MJD340T4
Avnet Silica Trans GP BJT NPN 300V 05A 3Pin2Tab DPAK TR (Alt: MJD340T4) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 15 Weeks, 0 Days Silica - 0
Buy Now
DISTI # MJD340T4
EBV Elektronik Trans GP BJT NPN 300V 05A 3Pin2Tab DPAK TR (Alt: MJD340T4) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 15 Weeks, 0 Days EBV - 27500
Buy Now
LCSC 300V 15W 3050mA10V 500mA NPN TO-252-2(DPAK) Bipolar (BJT) ROHS 2215
  • 5 $0.3458
  • 50 $0.2760
  • 150 $0.2461
  • 500 $0.2087
  • 2,500 $0.1921
  • 5,000 $0.1821
$0.1821 / $0.3458 Buy Now
Vyrian Transistors 98318
RFQ
Win Source Electronics TRANS NPN 300V 0.5A D-PAK 10136
  • 140 $0.4183
  • 340 $0.3433
  • 525 $0.3326
  • 720 $0.3218
  • 930 $0.3111
  • 1,245 $0.2788
$0.2788 / $0.4183 Buy Now

Part Details for MJD340T4

MJD340T4 Part Data Attributes

MJD340T4 STMicroelectronics
Buy Now Datasheet
Compare Parts:
MJD340T4 STMicroelectronics NPN power transistor
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer STMICROELECTRONICS
Part Package Code TO-252
Package Description DPAK-2/3
Pin Count 3
Reach Compliance Code not_compliant
ECCN Code EAR99
HTS Code 8541.29.00.95
Factory Lead Time 14 Weeks
Samacsys Manufacturer STMicroelectronics
Case Connection COLLECTOR
Collector Current-Max (IC) 0.5 A
Collector-Emitter Voltage-Max 300 V
Configuration SINGLE
DC Current Gain-Min (hFE) 30
JEDEC-95 Code TO-252
JESD-30 Code R-PSSO-G2
JESD-609 Code e3
Moisture Sensitivity Level 1
Number of Elements 1
Number of Terminals 2
Operating Temperature-Max 150 °C
Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Polarity/Channel Type NPN
Power Dissipation Ambient-Max 15 W
Power Dissipation-Max (Abs) 15 W
Qualification Status Not Qualified
Surface Mount YES
Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING
Terminal Position SINGLE
Time@Peak Reflow Temperature-Max (s) 30
Transistor Application SWITCHING
Transistor Element Material SILICON

MJD340T4 Related Parts

MJD340T4 Frequently Asked Questions (FAQ)

  • The MJD340T4 can operate from -40°C to 150°C, making it suitable for high-reliability applications.

  • To ensure proper biasing, connect the base to the emitter through a resistor (Rb) and the collector to the emitter through another resistor (Rc). The recommended values are Rb = 1 kΩ and Rc = 2 kΩ.

  • To minimize thermal resistance, use a thermal pad with a minimum size of 2 mm x 2 mm, and ensure the PCB has a thermal via array underneath the device. This will help to dissipate heat efficiently.

  • Yes, the MJD340T4 can be used in switching applications, but it's essential to ensure the device is not operated in saturation mode for extended periods. The maximum switching frequency is 100 kHz, and the device should not be operated at more than 50% duty cycle.

  • To protect the MJD340T4 from ESD, use an ESD wrist strap or mat when handling the device, and ensure the PCB has ESD protection circuits, such as TVS diodes or ESD protection arrays.

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