Manufacturer: STMicroelectronics
Win Source Part Number: 031146-STD4NK50ZT4
Packaging: Reel - TR
Mounting: SMD (SMT)
Technology: MOSFET
Polarity: N-Channel
Power Dissipation (Max): 45W (Tc)
Family Name: STD4NK50
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: D-Pak
Dimension: TO-252-3, DPak (2 Leads + Tab), SC-63
Drain-Source Breakdown Voltage: 500V
Continuous Drain Current at 25°C: 3A (Tc)
Gate-Source Threshold Voltage: 4.5V @ 50μA
Max Gate Charge: 12nC @ 10V
Max Input Capacitance: 310pF @ 25V
Maximum Gate-Source Voltage: ±30V
Maximum Rds On at Id,Vgs: 2.7 Ohm @ 1.5A, 10V
Alternative Parts (Cross-Reference): TSM4ND50CP RO; TSM4NB50CP ROG; NDD04N50ZT4G; SiHFR420A;
Introduction Date: December 13, 2002
ECCN: EAR99
Country of Origin: China
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 68 pct.
Supply and Demand Status: Sufficient
500V 3A N-CH MOSFET DPAK 2.4 Ohm Zener-Protected Product overview: STD4NK50ZT4 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 Zener, 500V, 3A, 2.4 Ohm, DPAK. Search-friendly keywords include MOSFET, power transistor, switching, N-channel, P-channel, Zener, 500V, 3A, 2.4 Ohm, MOSFET Transistor. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 278-STD4NK50ZT4 can be used for catalog matching and distributor lookup.
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| Win Source Electronics | ERSAELECTRONICS PTE. LTD. | ODG (Origin Data Global) | DigiKey | VAST STOCK CO., LIMITED | Newark, An Avnet Company | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|
| Product Category | Metal-Oxide Semiconductor FET (MOSFET) | Metal-Oxide Semiconductor FET (MOSFET) | Metal-Oxide Semiconductor FET (MOSFET) | Transistors | Metal-Oxide Semiconductor FET (MOSFET) | Metal-Oxide Semiconductor FET (MOSFET) | RF Transistors |
| Product Number | 031146-STD4NK50ZT4 | 278-STD4NK50ZT4 | STD4NK50ZT4 | 497-4103-1-ND | STD4NK50ZT4 | 33X1196 | STD4NK50ZT4 |
| Product Name | TRANSISTORS - Transistors - FETs, MOSFETs - RF - STD4NK50ZT4 | Zener 500V 3A 2.4 Ohm MOSFET Transistor | Single FETs, MOSFETs | Single FETs, MOSFETs | MOSFET | Mosfet Transistor, N Channel, 3 A, 500 V, 2.3 Ohm, 10 V, 3.75 V Rohs Compliant Stmicroelectronics | Discrete Semiconductor Products - Transistors - FETs, MOSFETs |
| Polarity | N-Channel; N-Channel | N-Channel | N-Channel; N-Channel | N-Channel | N-Channel | ||
| V(BR)DSS | 500 volts | 500 volts | |||||
| PD | 45000 milliwatts | 45000 milliwatts | 45000 milliwatts | ||||
| TJ | -55 to 150 C (-67 to 302 F) | -55 C (-67 F) | -55 to 150 C (-67 to 302 F) |
