Manufacturer: STMicroelectronics
Win Source Part Number: 042908-STB21N90K5
Packaging: Reel - TR
Mounting: SMD (SMT)
Technology: MOSFET
FET Feature: Current Sensing
Polarity: N-Channel
Power Dissipation (Max): 250W (Tc)
Categories: Discrete Semiconductor Products
Drive Voltage (Max Rds On, Min Rds On): 10V
Status: Active
Temperature Range - Operating: -55°C to 150°C (TJ)
Case / Package: D2PAK
Dimension: TO-263-3, D2Pak (2 Leads + Tab), TO-263AB
Drain-Source Breakdown Voltage: 900V
Continuous Drain Current at 25°C: 18.5A (Tc)
Gate-Source Threshold Voltage: 5V @ 100μA
Max Gate Charge: 43nC @ 10V
Max Input Capacitance: 1645pF @ 100V
Maximum Gate-Source Voltage: ±30V
Maximum Rds On at Id,Vgs: 299 mOhm @ 9A, 10V
Popularity: Medium
Fake Threat In the Open Market: 33 pct.
Supply and Demand Status: Limited
N-Channel 900V 18.5A (Tc) 250W (Tc) Surface Mount D2PAK
N-Channel 900V 18.5A (Tc) 250W (Tc) Surface Mount D2PAK
N-Channel 900V 18.5A (Tc) 250W (Tc) Surface Mount D2PAK
900V N-Channel MOSFET, 18.5A, 299mR Rds On, D2PAK Product overview: STB21N90K5 from STMicroelectronics is a MOSFET Transistor for power switching, load control, motor drives, DC-DC converters, battery systems, and board-level power design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include N-Channel, 900V, 18.5A. Search-friendly keywords include MOSFET, power transistor, switching, N-channel, P-channel, 900V, 18.5A, MOSFET Transistor, Single FETs, MOSFETs. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 278-STB21N90K5 can be used for catalog matching and distributor lookup.
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| Win Source Electronics | DigiKey | ERSAELECTRONICS PTE. LTD. | ODG (Origin Data Global) | Shenzhen Shengyu Electronics Technology Limited | VAST STOCK CO., LIMITED | |
|---|---|---|---|---|---|---|
| Product Category | Metal-Oxide Semiconductor FET (MOSFET) | Transistors | Metal-Oxide Semiconductor FET (MOSFET) | Metal-Oxide Semiconductor FET (MOSFET) | RF Transistors | Metal-Oxide Semiconductor FET (MOSFET) |
| Product Number | 042908-STB21N90K5 | 497-12851-2-ND | 278-STB21N90K5 | STB21N90K5 | STB21N90K5 | STB21N90K5 |
| Product Name | TRANSISTORS - Transistors - FETs, MOSFETs - RF - STB21N90K5 | Single FETs, MOSFETs | N-Channel 900V 18.5A MOSFET Transistor | Single FETs, MOSFETs | Discrete Semiconductor Products - Transistors - FETs, MOSFETs | MOSFET |
| Polarity | N-Channel; N-Channel | N-Channel | N-Channel | N-Channel; N-Channel | ||
| V(BR)DSS | 900 volts | 900 volts | ||||
| PD | 250000 milliwatts | 250000 milliwatts | 250000 milliwatts | |||
| TJ | -55 to 150 C (-67 to 302 F) | -55 C (-67 F) | -55 to 150 C (-67 to 302 F) |
