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HomeProductsDiscrete Semiconductor ProductsTransistors - Bipolar (BJT) - SingleESM6045DV
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ESM6045DV - STMicroelectronics

Manufacturer Part Number
ESM6045DV
Manufacturer
STMicroelectronics
Allelco Part Number
32D-ESM6045DV
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
5,280 pcs available, New & Original
Parts Description
TRANS NPN DARL 450V 84A ISOTOP
Package
ISOTOP®
Data sheet
ESM6045DV.pdf

Datasheets

ESM6045DV.pdf

PCN Obsolescence/ EOL

Mult Devices OBS 21/Dec/2017.pdf
RoHs Status
ROHS3 Compliant
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In stock: 5280

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Specifications

ESM6045DV Tech Specifications
STMicroelectronics - ESM6045DV technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - ESM6045DV

Product Attribute Attribute Value
Manufacturer STMicroelectronics
Voltage - Collector Emitter Breakdown (Max) 450 V
Vce Saturation (Max) @ Ib, Ic 1.35V @ 4A, 70A
Transistor Type NPN - Darlington
Supplier Device Package ISOTOP®
Series -
Power - Max 250 W
Package / Case ISOTOP
Product Attribute Attribute Value
Package Tube
Operating Temperature 150°C (TJ)
Mounting Type Chassis Mount
Frequency - Transition -
DC Current Gain (hFE) (Min) @ Ic, Vce 120 @ 70A, 5V
Current - Collector Cutoff (Max) -
Current - Collector (Ic) (Max) 84 A
Base Product Number ESM6045

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) Not Applicable
REACH Status REACH Unaffected
ECCN EAR99

Parts Introduction

ESM6045DV Image
ESM6045DV (1)

Manufacturer Part Number

ESM6045DV

Manufacturer

STMicroelectronics

Introduction

High-power NPN Darlington transistor

Product Features and Performance

Capable of handling up to 250W of power

Max collector-emitter voltage of 450V

Max collector current of 84A

Low collector-emitter saturation voltage of 1.35V @ 70A, 4A

Product Advantages

High power handling capability

High voltage and current ratings

Low saturation voltage

Key Technical Parameters

Power Rating: 250W

Collector-Emitter Voltage: 450V

Collector Current: 84A

Collector-Emitter Saturation Voltage: 1.35V @ 70A, 4A

DC Current Gain: 120 min @ 70A, 5V

Quality and Safety Features

RoHS3 compliant

ISOTOP package for chassis mount

Compatibility

Can be used in high-power industrial, automotive, and power conversion applications

Application Areas

Industrial motor drives

Power inverters and converters

Welding equipment

High-power switching circuits

Product Lifecycle

Active product, no plans for discontinuation

Replacement or upgraded options available if needed

Key Reasons to Choose This Product

Excellent power handling capability

High voltage and current ratings

Low saturation voltage for efficient operation

Reliable ISOTOP package for industrial applications

RoHS3 compliance for environmental responsibility

Frequently Asked Questions(FAQ)

What are the key thermal and electrical limitations of the ESM6045DV NPN Darlington transistor that influence its use in high-current switching applications?
The ESM6045DV operates with a maximum junction temperature of 150°C, enabling robust performance under sustained thermal stress typical in industrial power conversion systems. Its 450V collector-emitter breakdown voltage supports operation in medium-voltage applications such as motor drives or welding equipment. However, the Vce saturation voltage of 1.35V at 70A represents a significant conduction loss—approximately 94.5W in power dissipation at full rated current—which necessitates careful heatsinking to maintain junction temperature below limits. This trade-off between current handling and efficiency must be evaluated against system-level thermal budgets.
How does the DC current gain (hFE) characteristic of the ESM6045DV impact base drive requirements in low-power control circuits?
With a minimum hFE of 120 at 70A and 5V Vce, the ESM6045DV requires only modest base current to sustain saturation under high load conditions. For instance, driving 70A collector current demands at least 583mA of base current to ensure saturation margin. While this reduces gate drive complexity compared to lower-gain devices, it still exceeds what many standard microcontrollers can supply directly, often requiring an intermediate driver stage such as a MOSFET or dedicated buffer IC to avoid excessive loading on the control signal source.
In what scenarios would the ESM6045DV outperform alternative TO-247 packaged NPN transistors with similar voltage ratings?
Compared to traditional TO-247 packages, the ISOTOP® package of the ESM6045DV offers superior electrical insulation between the metal tab and pins, making it suitable for high-reliability systems where galvanic isolation is critical—such as in medical power supplies or safety-critical industrial controllers. Additionally, the integrated mounting surface allows direct chassis attachment without additional insulating layers, improving thermal conductivity while maintaining compliance with creepage and clearance standards in reinforced insulation applications. This design reduces parasitic capacitance to ground and enhances surge immunity.
Can the ESM6045DV be safely used in continuous conduction mode (CCM) buck converters operating above 300V input rails?
Yes, the 450V collector-emitter breakdown rating provides sufficient margin for CCM buck converters with inputs up to approximately 360V peak, assuming proper snubbing and layout practices. However, during turn-on transitions, inductive kickback from the transformer or inductor can generate voltage spikes exceeding steady-state values. Designers must ensure that transient voltages do not exceed 450V by incorporating appropriate clamping diodes or RC snubbers. The high hFE also helps minimize turn-off delay, reducing risk of cross-conduction in synchronous configurations when paired with fast-switching complementary devices.
How should PCB layout considerations differ when integrating the ESM6045DV versus conventional through-hole transistors in high-power layouts?
Unlike TO-247 devices, the ESM6045DV’s ISOTOP® package features an insulated base, so mounting directly onto a cold plate or chassis eliminates the need for ceramic insulators but introduces stricter attention to pin spacing for dielectric strength. Thermal vias under the metal tab must be carefully designed to avoid creating conductive paths across the isolation barrier. Furthermore, Kelvin connections for feedback or sensing should avoid passing through high-current loops near the emitter lead to prevent ground bounce affecting regulation accuracy in precision current-sharing applications.
Is the ESM6045DV suitable for automotive-grade applications requiring AEC-Q101 qualification?
No, the ESM6045DV is not listed as AEC-Q101 qualified and lacks specific automotive temperature cycling or humidity testing data from STMicroelectronics. While its TJmax of 150°C meets many automotive thermal requirements, the absence of formal qualification means it cannot be used in production automotive subsystems without extensive reliability validation per IATF 16949 processes. Alternative parts like the ES2540DV may offer comparable performance with full automotive compliance.
What precautions are necessary when paralleling multiple ESM6045DV devices for higher current capacity?
Due to manufacturing variations in hFE and Vce(sat), paralleling ESM6045DV transistors without individual balancing resistors or active drivers can lead to unequal current sharing, potentially causing thermal runaway in one device. Even with identical units, dynamic effects during switching require matched gate drive timing and layout symmetry. Adding small ballast resistors (e.g., 0.1–0.5Ω) in series with each emitter leg improves static balance but adds conduction loss. For best results, consider using a single higher-rated device or opt for modules specifically designed for parallel operation.
Does the ESM6045DV support soft-switching topologies like resonant LLC converters?
The ESM6045DV’s transition frequency is unspecified, but its large junction capacitance due to Darlington configuration typically limits suitability for very high-frequency resonant topologies above several hundred kHz. While it may function adequately in moderate-frequency LLC stages (under 200kHz), turn-off delays and stored charge increase switching losses significantly. Devices with built-in anti-parallel diodes or faster recovery characteristics would be preferable in such contexts unless cost or footprint constraints favor the ESM6045DV.
How does the RoHS3 compliance status affect material selection in European industrial designs?
RoHS3 compliance confirms the ESM6045DV adheres to EU Directive 2015/863, restricting four phthalates in addition to the original six substances under RoHS2. This ensures compatibility with modern environmental regulations in Europe, including exemptions for lead in high-temperature soldering alloys used in power electronics. Designers can confidently use the part in end products destined for the EU market without concern for future regulatory non-compliance arising from restricted substance content in connectors, adhesives, or coatings applied post-assembly.
Are there any known failure modes associated with the ESM6045DV during repetitive avalanche energy testing?
STMicroelectronics does not publish explicit avalanche energy ratings for the ESM6045DV, unlike some MOSFETs with specified EAS values. In practice, the Darlington structure exhibits limited avalanche capability due to internal base-emitter junctions being more vulnerable to secondary breakdown. Sudden inductive load disconnection without flyback protection can cause localized heating and potential degradation over time. Designers relying on avalanche energy handling should supplement the circuit with external TVS diodes or clamp circuits rated for the expected di/dt and voltage transients.
What role does moisture sensitivity level (MSL) classification play in storage and handling of the ESM6045DV?
Although labeled as MSL Not Applicable, the ESM6045DV’s ISOTOP® packaging—being fully molded and sealed—provides inherent resistance to moisture ingress. Therefore, standard JEDEC guidelines for moisture sensitivity do not apply. However, prolonged exposure to humid environments during storage should still be avoided to prevent condensation-induced shorting during soldering. Handling follows IPC/JEDEC J-STD-033 standards for non-moisture-sensitive devices, meaning no bake cycles are required prior to reflow unless subjected to extreme humidity conditions beyond normal operational ranges.

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics ESM6045DV

Product Attribute ESM6045DV ESM6045AV ESM5045DV ESM44DSXS
Part Number ESM6045DV ESM6045AV ESM5045DV ESM44DSXS
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics Sullins Connector Solutions
Transistor Type NPN - Darlington NPN - Darlington NPN - Darlington -
DC Current Gain (hFE) (Min) @ Ic, Vce 120 @ 70A, 5V 150 @ 60A, 5V 150 @ 50A, 5V -
Frequency - Transition - - - -
Operating Temperature 150°C (TJ) 150°C (TJ) 150°C (TJ) -65°C ~ 125°C
Supplier Device Package ISOTOP® ISOTOP® ISOTOP® -
Package Tube Tube Tube Tray
Current - Collector Cutoff (Max) - - - -
Series - - - -
Package / Case ISOTOP ISOTOP ISOTOP -
Voltage - Collector Emitter Breakdown (Max) 450 V 450 V 450 V -
Current - Collector (Ic) (Max) 84 A 72 A 60 A -
Base Product Number ESM6045 ESM6045 ESM5045 ESM44
Mounting Type Chassis Mount Chassis Mount Chassis Mount Through Hole
Power - Max 250 W 250 W 175 W -
Vce Saturation (Max) @ Ib, Ic 1.35V @ 4A, 70A 1.3V @ 2.4A, 60A 1.4V @ 2.8A, 50A -

ESM6045DV Datasheet PDF

Download ESM6045DV pdf datasheets and STMicroelectronics documentation for ESM6045DV - STMicroelectronics.

Datasheets
ESM6045DV.pdf
PCN Obsolescence/ EOL
Mult Devices OBS 21/Dec/2017.pdf

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Customer Reviews

Evaluation: 10 Articles

  • ECUb***h
    Sep 22, 2026

    Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.

  • RS48***ieldTech
    Sep 16, 2026

    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

  • Logi***b_Chris
    Sep 8, 2026

    Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.

  • Circ***FixerTom
    Sep 2, 2026

    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    Aug 28, 2026

    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
    Aug 20, 2026

    This product works considerably well. It secretly improves my basketball by a lot.

  • Indu***ialPower
    Aug 17, 2026

    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

  • Nikh***ech
    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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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.
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ESM6045DV Image

ESM6045DV

STMicroelectronics
32D-ESM6045DV

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