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ONSEMI 1SMB5947BT3G Zener Regulator

This series of 3 W surface-mount Zener voltage regulators offers precise voltage regulation from 3.3 V to 200 V, with flat handling surfaces for accurate placement. Compliant with AEC-Q101, Pb-Free, and UL 94 V-0 flammability standards, these devices feature corrosion-resistant external surfaces, modified leads for better contact, and a maximum soldering temperature of 260°C. They are designed for automotive and industrial applications, providing high reliability, thermal resistance, and efficient power dissipation, suitable for use in protected electronic circuits, voltage regulation, and surge suppression.

Authorized Distributors
Source:Newark
Part No:1SMB5947BT3G
Stock:23600
Inv Date:06-11-2026
Price: Unit price: $0.165
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Source:DigiKey
Part No:1SMB5947BT3G
Stock:12500
Inv Date:06-11-2026
Price: Unit price: $0.11458
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Part No:1SMB5947BT3G
Stock:39565
Inv Date:06-12-2026
Price: Unit price: $0.51
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Part No:1SMB5947BT3G
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.16
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Part No:1SMB5947BT3G
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.0876
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Part No:1SMB5947BT3G
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.0876
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Part No:1SMB5947BT3G
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.0869
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Part No:1SMB5947BT3G
Stock:2500
Inv Date:06-12-2026
Price: N/A
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ONSEMI 1SMB5947BT3G Zener Regulator Specifications:

  • Package: Voided, transfer-molded plastic with corrosion-resistant external surfaces
  • Maximum Lead Soldering Temperature: 260°C for 10 seconds
  • Leads: Modified L—Bend for better contact with pads
  • Flammability Rating: UL 94 V-0
  • Maximum Steady State Power Dissipation: 3.0 W at 75°C, Derates 40 mW/°C above 75°C
  • Thermal Resistance Junction-to-Lead: 25°C/W
  • Thermal Resistance Junction-to-Ambient: 226°C/W
  • Operating Temperature Range: -65°C to +150°C
  • Reverse Zener Voltage Range: 3.3 V to 200 V
  • ESD Rating: Class 3 (> 16 kV) Human Body Model
  • Materials: Corrosion-resistant exterior, Pb-Free device

Buy the ON Semiconductor 1SMB5947BT3G – Reliable Zener Voltage Regulator for Industrial Applications

Purchase the ON Semiconductor Zener Regulator 1SMB5947BT3G online today to ensure reliable voltage regulation in your electronic applications. Designed with robust construction, high power dissipation capacity, and corrosion-resistant coating, this 3 W surface-mount device meets automotive and industrial standards. It offers a wide voltage range of 3.3 V to 200 V, with enhanced thermal resistance and Pb-Free compliance for environmentally friendly designs. Order now for fast delivery and improve your circuit protection and stabilization needs efficiently.

Get ON Semiconductor 1SMB5947BT3G today—built for precise voltage regulation and long-lasting durability in industrial and automotive circuits.

Frequently Asked Questions

Where can I buy ONSEMI 1SMB5947BT3G?

You can click on the BUY or RFQ button to purchase 1SMB5947BT3G from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part 1SMB5947BT3G?

You can download the 1SMB5947BT3G datasheet or visit the ONSEMI website for support.

Who is the manufacturer of 1SMB5947BT3G?

ONSEMI

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