Manufacturer: ON Semiconductor
Win Source Part Number: 789043-MMSZ5249BT1G
Packaging: Reel package
Operating Temperature Range: -55°C ~ 150°C
Package: SOD-123
Mounting: SMD
Tolerance: ±5%
Power - Max: 500mW
Current - Reverse Leakage @ Vr: 100nA @ 14V
Voltage - Zener (Nom) (Vz): 19V
Family Name: MMSZ5249B
Categories: Discrete Semiconductor Products
Manufacturer Package: SOD-123
Voltage - Forward (Vf) (Maximum) @ If: 900mV @ 10mA
Impedance (Maximum) (Zzt): 23 Ohm
Alternative Parts (Cross-Reference): SZMMSZ5249BT1G; MMSZ5249BT3; MMSZ5249BT1; MMSZ5250B-E3-18;
Introduction Date: July 15, 1996
ECCN: EAR99
Country of Origin: China
Estimated EOL Date: 2025
Halogen Free: Compliant
Popularity: Medium
Fake Threat In the Open Market: 80 pct.
Supply and Demand Status: Balance
Zener Diode 19V 500mW ±5% Surface Mount SOD-123
Zener Diode 19V 500mW ±5% Surface Mount SOD-123
Zener Diode 19V 500mW ±5% Surface Mount SOD-123
MMSZ5249BT1G, ZEN SOD123 REG 0.5W 19V
MMSZ5249BT1G, ZEN SOD123 REG 0.5W 19V
MMSZ5249BT1G, ZEN SOD123 REG 0.5W 19V
Zener Diode 500 mW SOD-123, SOD-123 2 LEAD, 3000-REEL Product overview: MMSZ5249BT1G from onsemi is a Zener Diode for voltage regulation, reference clamping, overvoltage protection, and compact board-level circuit 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, 500 mW. Search-friendly keywords include Zener diode, voltage reference, clamp, regulation, Zener, 500 mW, Single Zener Diodes. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 287-MMSZ5249BT1G can be used for catalog matching and distributor lookup.
Zener Diode 500 mW SOD-123
Zener Diode 500 mW SOD-123
DIODE ZENER 19V 500MW SOD123
ZENER DIODE, 500mW, 19V, SOD-123, FULL REEL; Zener Voltage Nom:19V; Power Dissipation:500mW; Diode Case Style:SOD-123; No. of Pins:2Pins; Operating Temperature Max:150°C; Diode Mounting:Surface Mount; Product Range:-; Qualification:-RoHS Compliant: Yes
ZENER DIODE, AEC-Q101, 19V, 0.5W, SOD-123; Zener Voltage Nom:19V; Power Dissipation:500mW; Diode Case Style:SOD-123; No. of Pins:2Pins; Operating Temperature Max:150°C; Diode Mounting:Surface Mount; Qualification:AEC-Q1
ZENER DIODE, AUTO, 19V, 0.5W, SOD-123; Zener Voltage Vz Typ:19V; Power Dissipation Pd:500mW; Diode Case Style:SOD-123; Zener Tolerance ±:5%; No. of Pins:2Pins; Operating Temperature Max:150°C; Product Range:SZMMSZ52xxxT1G
| Win Source Electronics | DigiKey | RS Components, Ltd. | RS Components, Ltd. | ERSAELECTRONICS PTE. LTD. | Rochester Electronics | Shenzhen Shengyu Electronics Technology Limited | VAST STOCK CO., LIMITED | Newark, An Avnet Company | Newark, An Avnet Company | Newark, An Avnet Company | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Product Category | Zener Diodes | Diodes | Zener Diodes | Zener Diodes | Zener Diodes | Zener Diodes | Zener Diodes | Zener Diodes | Zener Diodes | Zener Diodes | Zener Diodes |
| Product Number | 789043-MMSZ5249BT1G | MMSZ5249BT1GOSCT-ND | 8021910 | 8021910P | 287-MMSZ5249BT1G | MMSZ5249BT1G | MMSZ5249BT1G | MMSZ5249BT1G | 26K4597 | 13AC6119 | 13AC3672 |
| Product Name | Diodes - Zener - Single - MMSZ5249BT1G | Single Zener Diodes | Zener Diodes | Zener Diodes | 500 mW Zener Diode | Discrete Semiconductor Products - Diodes - Zener | Zener Diodes | Zener Diode, 500Mw, 19V, Sod-123, Full Reel; Zener Voltage Nom Onsemi | Zener Diode, Aec-Q101, 19V, 0.5W, Sod-123; Zener Voltage Nom Onsemi | Zener Diode, Auto, 19V, 0.5W, Sod-123; Zener Voltage Vz Typ Onsemi | |
| VZ | 19 volts | 19 volts | 19 volts | 19 volts | |||||||
| ZZT | 23 ohms | 23 ohms | 23 ohms | ||||||||
| IR | 1.00E-4 mA | 100 mA | |||||||||
| Tj | -55 to 150 C (-67 to 302 F) | -55 to 150 C (-67 to 302 F) | -55 C (-67 F) | -55 to 150 C (-67 to 302 F) | ? to 150 C (? to 302 F) | ? to 150 C (? to 302 F) | ? to 150 C (? to 302 F) | ||||
| Package | SOD-123; Sod-123 | SOD-123; SOD-123 | Tape and Reel | SOD-123; SOD-123 2 LEAD | SOD-123; SOD-123 | SOD-123; SOD-123-2 | SOD-123; SOD-123 | SOD-123; SOD-123 | SOD-123; SOD-123 |
