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NPN power transistor
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.
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.
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 |
|
$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 |
|
$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 |
|
$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 |
|
$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 |
|
$0.1867 / $0.1985 | Buy Now |
DISTI #
511-MJD340
|
Mouser Electronics | Bipolar Transistors - BJT NPN Gen Pur Switch RoHS: Compliant | 3022 |
|
$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 |
|
$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 |
|
$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 |
|
$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 |
|
$0.5300 / $0.6200 | RFQ |
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MJD340T4
STMicroelectronics
Buy Now
Datasheet
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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 |
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.