The SMA4F series TVS diode, specifically the 94AC2120 part number, is designed for transient voltage suppression with a peak pulse power rating of 400 W for 10/1000 ¬µs pulses and 2.5 kW for 8/20 ¬µs pulses. It features a unidirectional configuration with a reverse stand-off voltage of 24 V and a maximum clamping voltage of 38.9 V. The device exhibits low leakage current, rated at 0.2 ¬µA at 25 ¬8C and 1 ¬µA at 85 ¬8C, ensuring minimal impact on circuit performance. It operates effectively within a junction temperature range of -55 ¬8C to 175 ¬8C, making it suitable for high-temperature applications. The diode is housed in a DO-221AC package and complies with various industry standards, including UL94 V0 and IEC 61000-4-2, indicating robust performance in surge protection applications.
Win Source Part Number: 1298472-SMA4F24A
Category: Circuit Protection>TVS - Diodes
Series: SMA4F, TRANSIL™
Type: Zener
Package: Tape & Reel
Applications: General Purpose
Standard Package: 10,000
Mounting: SMD (SMT)
Unidirectional Channels: 1
Voltage - Reverse Standoff (Typ): 24V
Voltage - Breakdown (Min): 26.7V
Voltage - Clamping (Max) @ Ipp: 50V
Power - Peak Pulse: 400W
Power Line Protection: No
Current - Peak Pulse (10/1000µs): 10.3A
Package / Case: DO-221AC, SMA Flat Leads
Supplier Device Package: SMAflat
Temperature Range - Operating: -55°C ~ 175°C (TJ)
ECCN: EAR99
Fake Threat In the Open Market: 62 pct.
MSL Level: 1 (Unlimited)
REACH Status: REACH Unaffected
HTSUS: 8541.10.0080
Mfr: STMicroelectronics
Other Names: -1138-SMA4F24ACT,497
Base Product Number: SMA4F24
400 W, 24 V TVS in SMA Flat Product overview: SMA4F24A from STMicroelectronics is a TVS Protection Diode for ESD protection, surge suppression, transient voltage clamping, communication ports, and industrial electronics. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include TVS, 400 W, 24 V. Search-friendly keywords include TVS diode, ESD protection, surge suppression, transient voltage, TVS, 400 W, 24 V, TVS Protection Diode, TVS Diodes. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 144-SMA4F24A can be used for catalog matching and distributor lookup.
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TVS DIODE, 400W, 24V, UNIDIR, DO-221AC; Product Range:SMA4F Transil Series; TVS Polarity:Unidirectio
| Win Source Electronics | ERSAELECTRONICS PTE. LTD. | DigiKey | ODG (Origin Data Global) | VAST STOCK CO., LIMITED | Shenzhen Shengyu Electronics Technology Limited | Newark, An Avnet Company | |
|---|---|---|---|---|---|---|---|
| Product Category | Transient Voltage Suppressor Diodes (TVS) | Transient Voltage Suppressor Diodes (TVS) | Transient Voltage Suppressor Diodes (TVS) | Transient Voltage Suppressor Diodes (TVS) | Transient Voltage Suppressor Diodes (TVS) | Transient Voltage Suppressor Diodes (TVS) | Transient Voltage Suppressor Diodes (TVS) |
| Product Number | 1298472-SMA4F24A | 144-SMA4F24A | 497-18204-1-ND | SMA4F24A | SMA4F24A | SMA4F24A | 94AC2120 |
| Product Name | Circuit Protection - TVS - Diodes | 400 W 24 V TVS Protection Diode | TVS Diodes | TVS Diodes | TVS Diodes / ESD Suppressors | Circuit Protection - Transient Voltage Suppressors (TVS) - TVS Diodes | Tvs Diode, 400W, 24V, Unidir, Do-221Ac; Product Range Stmicroelectronics |
| Package | DO-221AC, SMA Flat Leads | SMA; DO-221AC, SMA Flat Leads | SMA; DO-221AC, SMA Flat Leads | DO-214AC-2 (SMA) | SMA; SMAflat | DO-221AC | |
| Peak Pulse Power | 400 watts | 400 watts | 400 watts | 400 watts | |||
| VC | 50 volts | 50 volts | 50 volts | 50 volts | 38.9 volts | ||
| VBR | 26.7 volts | 26.7 volts | 26.7 volts | 26.7 volts | |||
| Tj | -55 to 175 C (-67 to 347 F) | -55 to 175 C (-67 to 347 F) | -55 to 175 C (-67 to 347 F) | -55 to 175 C (-67 to 347 F) |
