| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| MJD340G | onsemi | $0.4075 | Power Bipolar Transistor | MJD340T4 vs MJD340G |
| CJD340TR13 | Central Semiconductor Corp | Check for Price | Power Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 2 Pin | MJD340T4 vs CJD340TR13 |
| KSH340TF | Fairchild Semiconductor Corporation | Check for Price | Power Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-252, Plastic/Epoxy, 2 Pin | MJD340T4 vs KSH340TF |
| CJD340 | Central Semiconductor Corp | Check for Price | Power Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 2 Pin | MJD340T4 vs CJD340 |
| NJVMJD340T4G-VF01 | onsemi | Check for Price | Power Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 2 Pin | MJD340T4 vs NJVMJD340T4G-VF01 |
| MJD340 | Motorola Semiconductor Products | Check for Price | Power Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 2 Pin | MJD340T4 vs MJD340 |
| KSH340 | onsemi | Check for Price | Power Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 2 Pin | MJD340T4 vs KSH340 |
| CJD340BK | Central Semiconductor Corp | Check for Price | Power Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 2 Pin, | MJD340T4 vs CJD340BK |
Part Details for MJD340T4 by STMicroelectronics
Results Overview of MJD340T4 by STMicroelectronics
- Distributor Offerings: (36 listings)
- Number of FFF Equivalents: (8 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (9 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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 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 | |
|---|---|---|---|---|---|---|
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DISTI #
26M1582
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Newark | Trans Bjt Single, Npn, 300V, 50Ma, |Stmicroelectronics MJD340T4 RoHS: Compliant Min Qty: 5 Package Multiple: 1 Date Code: 0 Container: Cut Tape | 2592 |
|
$0.5310 / $1.2400 | Buy Now |
|
DISTI #
26M1582RL
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Newark | Trans Bjt Single, Npn, 300V, 50Ma, |Stmicroelectronics MJD340T4 RoHS: Compliant Min Qty: 100 Package Multiple: 1 Date Code: 0 Container: Tape & Reel | 2592 |
|
$0.5310 / $0.6060 | Buy Now |
|
DISTI #
96AC0925
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Newark | Transistor, Npn, 300V, 0.5A, To-252, |Stmicroelectronics MJD340T4 RoHS: Compliant Min Qty: 2500 Package Multiple: 1 Date Code: 0 Container: Tape & Reel | 0 |
|
$0.3250 / $0.3510 | Buy Now |
|
DISTI #
86AK5560
|
Newark | Transistor, Npn, 300V, 0.5A, To-252, |Stmicroelectronics MJD340T4 RoHS: Compliant Min Qty: 2500 Package Multiple: 1 Date Code: 0 Container: Tape & Reel | 0 |
|
$0.3200 / $0.3700 | Buy Now |
|
DISTI #
497-6465-1-ND
|
DigiKey | TRANS NPN 300V 0.5A DPAK Min Qty: 1 Container: Cut Tape |
592 Cut Tape |
|
$0.3423 / $1.1900 | Buy Now |
|
DISTI #
497-6465-6-ND
|
DigiKey | TRANS NPN 300V 0.5A DPAK Min Qty: 1 Container: Digi-Reel |
592 Digi-Reel® |
|
$0.3423 / $1.1900 | Buy Now |
|
DISTI #
497-6465-2-ND
|
DigiKey | TRANS NPN 300V 0.5A DPAK Min Qty: 2500 Container: Tape & Reel |
592 Tape & Reel |
|
$0.2386 / $0.3039 | Buy Now |
|
DISTI #
91751530
|
Verical | Trans GP BJT NPN 300V 0.5A 15000mW 3-Pin(2+Tab) DPAK T/R RoHS: Exempt Min Qty: 2500 Package Multiple: 2500 Date Code: 2538 | Americas - 245000 |
|
$0.1252 / $0.1414 | Buy Now |
|
DISTI #
91554404
|
Verical | Trans GP BJT NPN 300V 0.5A 15000mW 3-Pin(2+Tab) DPAK T/R RoHS: Exempt Min Qty: 5000 Package Multiple: 2500 Date Code: 2508 | Americas - 10000 |
|
$0.1969 | Buy Now |
|
DISTI #
77591979
|
Verical | Trans GP BJT NPN 300V 0.5A 15000mW 3-Pin(2+Tab) DPAK T/R RoHS: Exempt Min Qty: 28 Package Multiple: 1 Date Code: 2151 | Americas - 5252 |
|
$0.2168 / $0.2353 | Buy Now |
US Tariff Estimator: MJD340T4 by STMicroelectronics
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
MJD340T4 CAD Models
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MJD340T4 Part Data Attributes
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MJD340T4
STMicroelectronics
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Datasheet
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MJD340T4
STMicroelectronics
Power Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-252, Plastic/Epoxy, 2 Pin
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | TO-252 | |
| Package Description | Dpak-2/3 | |
| Pin Count | 3 | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.29.00.95 | |
| Factory Lead Time | 14 Weeks | |
| 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 |
Alternate Parts for MJD340T4
This table gives cross-reference parts and alternative options found for MJD340T4. 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 MJD340T4, 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.
MJD340T4 Frequently Asked Questions (FAQ)
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The MJD340T4 can operate from -40°C to 150°C, making it suitable for high-reliability applications.
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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.
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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.
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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.
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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.