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1SMB5939BT3G

Zener diode for voltage regulation

Manufacturer:

Onsemi
Mfr.Part #:

1SMB5939BT3G
Datasheet:

1SMB5939BT3G Datasheet (PDF)
Compliance:

PbAHP
Case Outline:

403A-03
MSL Type:

1
MSL Temp (°C):

260
EDA/CAD Models:

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1SMB5939BT3G General Description

The 1SMB5939BT3G is a surface mount, 3.3V, 3W Zener diode manufactured by ON Semiconductor. It belongs to the SMB (DO-214AA) package family, which is designed for high-efficiency voltage clamping applications. The device features a maximum power dissipation of 3 watts with a forward voltage of 3.3 volts at a forward current of 200 mA. Its reverse standoff voltage is 3.3V, and it has a reverse voltage of 2.8V at a reverse current of 5 mA. The 1SMB5939BT3G has a low leakage current and fast response time, making it suitable for voltage regulation, transient voltage suppression, and overvoltage protection in various electronic circuits. It operates over a wide temperature range from -55°C to 150°C, ensuring reliability in diverse environmental conditions. This Zener diode is RoHS compliant, indicating it meets the Restriction of Hazardous Substances directive, making it environmentally friendly. With its compact size, high power dissipation capability, and reliable performance, the 1SMB5939BT3G is commonly used in telecommunications, automotive, consumer electronics, and industrial applications where precise voltage regulation and protection are crucial

Key Features

The 1SMB5939BT3G is a 3W, 36V Zener diode designed for voltage regulation and transient overvoltage protection

It features a reverse standoff voltage of 30V, a forward voltage of 3

5V, and a maximum reverse leakage current of 5μA

It comes in a SMB package, making it suitable for surface mount applications where space is limited

Application

The 1SMB5939BT3G is a surface mount Zener diode typically used in voltage regulation, surge protection, and voltage clamping applications

Its primary applications include automotive electronics, industrial power supplies, consumer electronics, and telecommunications equipment

It's particularly useful for protecting sensitive components from voltage spikes and regulating voltage in various electronic circuits

Specifications

Status	Active	Compliance	PbAHP
Case Outline	403A-03	MSL Type	1
MSL Temp (°C)	260	Container Type	REEL
Container Qty.	2500	ON Target	N
VZ Typ (V)	39	P Max (W)	3
Pricing ($/Unit)	$0.0819