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STS2DPF80
STMicroelectronics
MOSFET 2P-CH 80V 2A 8SOIC
2736 Pcs New Original In Stock
Mosfet Array 80V 2A 2.5W Surface Mount 8-SOIC
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5.0 / 5.0
- (467 Ratings)
STS2DPF80
Product Overview
12875620
DiGi Electronics Part Number
STS2DPF80-DGManufacturer
STMicroelectronics
STS2DPF80
Description
MOSFET 2P-CH 80V 2A 8SOICInventory
2736 Pcs New Original In Stock
Mosfet Array 80V 2A 2.5W Surface Mount 8-SOIC
Quantity
Minimum 1
Minimum 1
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STS2DPF80 Technical Specifications
Category
Transistors, FETs, MOSFETs, FET, MOSFET Arrays
Packaging
Cut Tape (CT) & Digi-Reel®
Series
STripFET™
Product Status
Obsolete
Technology
MOSFET (Metal Oxide)
Configuration
2 P-Channel (Dual)
FET Feature
Logic Level Gate
Drain to Source Voltage (Vdss)
80V
Current - Continuous Drain (Id) @ 25°C
2A
Rds On (Max) @ Id, Vgs
250mOhm @ 1A, 10V
Vgs(th) (Max) @ Id
4V @ 250µA
Gate Charge (Qg) (Max) @ Vgs
20nC @ 10V
Input Capacitance (Ciss) (Max) @ Vds
739pF @ 25V
Power - Max
2.5W
Operating Temperature
150°C (TJ)
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width)
Supplier Device Package
8-SOIC
Base Product Number
STS2D
Datasheet & Documents
HTML Datasheet
STS2DPF80-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.29.0095
Additional Information
Other Names
STS2DPF80-DG
-497-8040-1
-497-8040-2
497-8040-6
-497-8040-6
497-8040-2
497-8040-1
Standard Package
2,500
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
서비스가 훌륭하고 상담도 친절하게 도와줘서 매우 만족스럽습니다. 앞으로도 계속 이용할 거예요.
December 02, 2025
Les délais de livraison de DiGi Electronics sont toujours respectés, ce qui permet de maintenir nos projets sans retard.
December 02, 2025
Sehr attraktive Preise und eine prompte, hilfreiche Kundenbetreuung überzeugen mich voll.
December 02, 2025
Shipping always arrives swiftly, and their team is always ready to help.
December 02, 2025
Having reliable inventory levels has made DiGi Electronics our go-to partner for ongoing needs.
December 02, 2025
The delivery process was hassle-free and speedy. I am very pleased with their logistics service.
December 02, 2025
Combining user-friendliness with affordability, DiGi Electronics is excellent.
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Frequently Asked Questions (FAQ)
Can the STS2DPF80 be used in high-temperature environments where the junction temperature approaches 150°C, and what design considerations are needed to avoid thermal runaway in a dual P-channel configuration?
Yes, the STS2DPF80 is rated for a maximum junction temperature of 150°C, making it suitable for high-temperature operation. However, when operating near this limit, ensure adequate PCB copper for thermal dissipation—use thermal vias and wide traces connected to drain pads. In dual P-channel configurations, uneven current sharing between channels can lead to localized heating; balance load distribution and consider derating power dissipation above 70°C ambient. Monitor Rds(on) variation with temperature, as it increases with heat and may affect efficiency in logic-level switching applications.
Is the STS2DPF80 a viable drop-in replacement for the SI4948BEY-T1-E3 in a 24V motor control circuit with 1.5A peak load, and what are the key differences affecting reliability?
The STS2DPF80 can function as a replacement for the SI4948BEY-T1-E3 in 24V motor control, but with critical trade-offs. Both are dual P-channel 80V MOSFETs with logic-level gates, yet the STS2DPF80 has a higher Rds(on) of 250mΩ vs. SI4948BEY-T1-E3’s 130mΩ, increasing conduction losses and temperature rise under 1.5A loads. Additionally, the STS2DPF80 is marked as obsolete—use only for legacy repair, not new designs. Ensure thorough thermal evaluation and consider lifetime availability risks.
How does the 20nC gate charge of the STS2DPF80 impact switching performance in high-frequency PWM applications, and what driver compatibility issues should be anticipated?
With a gate charge (Qg) of 20nC at 10V, the STS2DPF80 is not ideal for high-frequency PWM (e.g., >100kHz), as higher Qg increases switching losses and gate driver power requirements. Use a strong gate driver capable of sourcing/sinking at least 50mA to minimize transition times and prevent shoot-through in H-bridge or load-switching circuits. Avoid weak microcontroller pins; instead, pair the STS2DPF80 with dedicated drivers like TC4427 to reduce switching stress and enhance efficiency in 8-SOIC surface-mount designs.
What are the risks of using the STS2DPF80 in a battery-powered system operating at 3.3V logic, and does the logic-level gate guarantee full enhancement at this voltage?
Although the STS2DPF80 features a logic-level gate, its Rds(on) is specified at Vgs = 10V. At 3.3V, the device will not be fully enhanced—expect significantly higher Rds(on), potentially exceeding 1Ω, leading to excessive heat and voltage drop. The gate threshold (Vgs(th)) max is 4V, meaning it may barely turn on at 3.3V under high temperature or process variation. For reliable 3.3V operation, consider gate-boost circuits or a more suitable low-threshold P-MOSFET. The STS2DPF80 is better suited for 5V logic systems.
Given that the STS2DPF80 is obsolete, what are the long-term reliability and supply chain risks when designing it into a new production line, and what alternatives should be considered?
Using the STS2DPF80 in new designs carries significant risk due to its obsolete status—STMicroelectronics no longer guarantees supply, increasing chance of sudden unavailability. For long-term reliability, consider obsolescence mitigation: stockpile or qualify second sources like the SI4948BEY-T1-E3 (Vishay), which offers lower Rds(on) and active status. Alternatively, redesign with modern pin-to-pin equivalents such as the DMG2305LQ (Diodes Inc.) with better 3.3V performance and availability to ensure sustainable production and reduced lifecycle cost.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
STS2DPF80 CAD Models
STMicroelectronics STS2DPF80 PCB symbols & footprints
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