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HomeProductsDiscrete Semiconductor ProductsTransistors - IGBTs - SingleSTB1081L3
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STB1081L3 - onsemi

Manufacturer Part Number
STB1081L3
Manufacturer
onsemi
Allelco Part Number
98D-STB1081L3
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
8,900 pcs available, New & Original
Parts Description
TRANS IGBT CHIP N-CH 380V 15A 4P
Package
Bulk
Data sheet
-
RoHs Status
 
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Our certification
In stock: 8900
  • Unit Price: $1.57
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $1.57 $1.57
200+ $0.608 $121.60
500+ $0.586 $293.00
1000+ $0.576 $576.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

STB1081L3 Tech Specifications
onsemi - STB1081L3 technical specifications, attributes, parameters and parts with similar specifications to onsemi - STB1081L3

Product Attribute Attribute Value
Manufacturer onsemi
Series *
Product Attribute Attribute Value
Package Bulk
Base Product Number STB1081

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 2 (1 Year)
REACH Status REACH Affected
ECCN EAR99

Frequently Asked Questions(FAQ)

How does the STB1081L3 IGBT's 380V blocking voltage and 15A continuous current rating perform in a high-reliability industrial motor drive application requiring 90% efficiency under full load?
The STB1081L3 provides a robust 380V collector-emitter breakdown voltage, which offers sufficient margin for industrial AC line voltages up to 240V RMS without derating, making it suitable for direct connection to standard mains supplies. Its 15A continuous collector current at 25°C enables operation in moderate power motor drives where thermal management is well-controlled. In a 1.5kW induction motor drive achieving 90% efficiency, the device must dissipate approximately 167W of power when switching at 20kHz with a 10% duty cycle and 2V saturation voltage. This requires careful heatsinking and airflow to maintain junction temperatures below 125°C, as the package has limited thermal resistance. The N-channel configuration simplifies gate drive requirements but demands negative gate bias during turn-off to prevent Miller-induced turn-on. While capable, this level of performance places significant emphasis on PCB layout, gate driver isolation, and snubber networks to minimize losses and EMI.
What are the key differences between the STB1081L3 and a comparable MOSFET-based solution in terms of conduction loss and switching behavior at 5kHz PWM frequency?
At 5kHz PWM frequency, the STB1081L3 exhibits lower conduction losses than many power MOSFETs due to its bipolar conductivity mechanism, particularly beneficial in medium-voltage applications. With a typical collector-emitter saturation voltage (Vce(sat)) of around 2.1V at 15A, the conduction loss is approximately 31.5W under full load. In contrast, a comparable MOSFET such as the IRF3205 (55V) cannot be used directly due to insufficient voltage rating, but even a higher-voltage MOSFET like the IXTH6N100D (100V, 6A) would require parallel devices or operate inefficiently. A true comparison might involve a SiC MOSFET like the C3M0065100K (100V, 65mΩ), which would have significantly lower conduction loss (~6.5W at 15A) but higher cost and more complex gate drive requirements. However, the STB1081L3's simpler gate drive and inherent short-circuit withstand capability make it preferable in rugged industrial environments where reliability outweighs absolute efficiency.
Can the STB1081L3 be used in a half-bridge configuration for a 400V DC bus inverter, and what gate drive considerations apply?
Yes, the STB1081L3 can be implemented in a half-bridge configuration for a 400V DC bus inverter. However, its 380V maximum collector-emitter voltage rating leaves minimal margin over the full 400V bus, requiring careful transient voltage suppression and ensuring no voltage overshoot exceeds this limit during switching events. The 4P packaging implies a four-terminal structure, likely including emitter and collector terminals for improved thermal performance and current sharing. For proper operation, the gate drive circuit must provide a minimum of ±15V to ensure fast turn-on and turn-off, with a negative bias (typically -5V to -10V) applied during turn-off to suppress parasitic turn-on via the Miller effect. The gate resistor value must balance switching speed against electromagnetic interference (EMI); too low a resistance increases di/dt and voltage spikes, while too high a resistance slows switching and increases losses. Isolation between high-side and low-side drivers is essential, often achieved using optocouplers or isolated gate driver ICs.
How does the Moisture Sensitivity Level (MSL) of 2 for the STB1081L3 affect its handling and storage in a high-volume manufacturing environment?
The Moisture Sensitivity Level (MSL) of 2 for the STB1081L3 indicates that the component can withstand exposure to ambient humidity for up to one year before requiring baking prior to reflow soldering. This classification means that in a high-volume manufacturing setting, the STB1081L3 can be stored indefinitely in standard dry cabinets or sealed packaging without immediate risk of moisture-related damage. However, once removed from its original moisture-barrier bag and exposed to ambient conditions, it must be used within one year or baked according to IPC/JEDEC J-STD-033 standards if not processed within that timeframe. Failure to adhere to this schedule risks delamination or popcorning during the high-temperature reflow profile, potentially causing catastrophic failure. Therefore, production planners should implement strict FIFO (First-In, First-Out) inventory practices and monitor storage conditions closely to ensure reliability.
What impact does the RoHS non-compliance status of the STB1081L3 have on end-product certification, particularly in the European market?
The RoHS non-compliance status of the STB1081L3 means it contains restricted substances such as lead (Pb), cadmium (Cd), mercury (Hg), hexavalent chromium (Cr6+), polybrominated biphenyls (PBB), or polybrominated diphenyl ethers (PBDE) above the allowable limits. This directly affects the ability of end-products incorporating the STB1081L3 to achieve CE marking under the EU RoHS Directive (2011/65/EU). Products containing non-compliant components may be prohibited from sale in the European Union unless they qualify for an exemption (e.g., for certain medical or military applications). Designers considering the STB1081L3 must assess whether their target market permits exceptions or if a RoHS-compliant alternative must be sourced. This constraint may also complicate supply chain logistics and increase compliance documentation burdens, especially for consumer electronics manufacturers.
Given the ECCN code EAR99 and HTSUS classification 8541.29.0095, what export restrictions apply to the STB1081L3, and how might this affect global sourcing strategies?
The STB1081L3 carries an ECCN (Export Control Classification Number) of EAR99, meaning it is subject to the U.S. Export Administration Regulations (EAR) but does not require a license for most exports to most countries, including those under embargoes, provided it is not destined for military end-use or to certain denied parties. However, its HTSUS (Harmonized Tariff Schedule of the United States) classification as 8541.29.0095 indicates it is a semiconductor device, specifically an insulated-gate bipolar transistor, which may influence import duties and customs procedures in other jurisdictions. While not inherently export-restricted, this classification signals that it is a general-purpose electronic component rather than a controlled item like encryption hardware. Global sourcing strategies should still include verification of final destination and end-user to avoid accidental violations, though the EAR99 designation generally facilitates broader availability compared to items with stricter controls like ECCN 3A001.
In what scenarios would the STB1081L3 be preferred over a newer-generation Si-IGBT module in a solar inverter design?
The STB1081L3 might be preferred over a newer Si-IGBT module in niche or legacy solar inverter designs where cost, availability, or compatibility with existing gate driver circuitry is paramount. Its discrete 4P package offers flexibility in PCB layout and integration, avoiding the need for expensive modules with complex baseplates and cooling solutions. For low-to-medium power applications (under 5kW), the STB1081L3’s 15A rating and 380V capability suffice, and its simpler drive requirements reduce BOM complexity. Additionally, in retrofit or repair situations, sourcing a discrete component like the STB1081L3 may be easier than replacing an entire module. However, newer modules offer superior performance through advanced chip processing, reduced switching losses, and integrated protection features—making them far more efficient and reliable for modern high-performance solar inverters. Thus, the STB1081L3 remains relevant only where simplicity and cost outweigh performance demands.
How does the absence of a specified switching frequency in the STB1081L3 datasheet affect design decisions for a resonant converter topology?
The absence of a specified switching frequency in the STB1081L3 datasheet reflects its general-purpose nature but requires designers to treat it as a variable-speed device based on application constraints. For resonant converters such as LLC or series-resonant topologies operating at MHz-range frequencies, the STB1081L3 is unsuitable due to excessive switching losses and slow turn-on/turn-off times. These converters demand fast-switching semiconductors with low gate charge and minimal tail current, which are not characteristics highlighted in the STB1081L3’s description. Instead, the component is better suited for hard-switched PWM applications below 20–30 kHz. Without explicit data on turn-on/off times or switching energy (Eon, Eoff), engineers must assume conservative values or perform empirical testing to characterize losses across the expected frequency range. This uncertainty necessitates margin in thermal design and may limit the choice of converter topology to those where switching losses are manageable with the STB1081L3’s intrinsic limitations.

Parts with Similar Specifications

The three parts on the right have similar specifications to onsemi STB1081L3

Product Attribute STB1081L3 STB1081SL3G STB10100TR STB10100CTR
Part Number STB1081L3 STB1081SL3G STB10100TR STB10100CTR
Manufacturer onsemi onsemi SMC Diode Solutions Sensitron Semiconductor / SMC Diode Solutions
Package Bulk Bulk Tape & Reel (TR) -
Series * * - -
Base Product Number STB1081 STB1081 - -

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

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  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
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QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


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Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


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Certifications & Memberships

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  • ISO 9001: 2015
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  • ISO 28000: 2007
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  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
onsemi

STB1081L3

onsemi
98D-STB1081L3

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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