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ROHM TFZVTR39B Voltage Regulator Diode

The TFZV3.9B is a high-reliability, small mold type zener diode designed for voltage regulation applications. Featuring a maximum power dissipation of 500 milliwatts and a junction temperature of 150°C, it ensures stable operation. Packaged in an embossed tape reel with a size of 180 mm and a tape width of 8 mm, it is suitable for automated SMT processes. This diode exhibits a Zener voltage range from 3.89V (minimum) to 4.16V (maximum), with low dynamic impedance and reverse current levels, making it ideal for precision voltage regulation and clamp circuits.

Authorized Distributors
Source:DigiKey
Part No:TFZVTR3.9B
Stock:4984
Inv Date:06-09-2026
Price: Unit price: $0.35
Buy/RFQ:
Source:DigiKey
Part No:TFZVTR39B
Stock:824
Inv Date:06-09-2026
Price: Unit price: $0.35
Buy/RFQ:
Part No:TFZVTR39B
Stock:2687
Inv Date:06-10-2026
Price: Unit price: $0.35
Buy/RFQ:

ROHM TFZVTR39B Voltage Regulator Diode Specifications:

  • Power Dissipation: 500 mW
  • Junction Temperature: 150°C
  • Storage Temperature: -55°C to 150°C
  • Package: SO-8, Embossed Tape Reel, Reel Size 180mm, Taping Width 8mm
  • Voltage Regulation: 3.89V (min), 4.16V (max)
  • Reverse Current: 5μA at Vz
  • Dynamic Impedance: 50Ω (typical at 4V)
  • Marking: B7
  • Operating Temperature Range: -55°C to +150°C

Buy the Buy ROHM TFZV3.9B Part Number TFZVTR39B Online

Purchase the ROHM TFZV3.9B voltage regulator diode online for high reliability and precise voltage control. This small mold SOD-8 package features 500mW power dissipation, a maximum junction temperature of 150°C, and an embossed tape reel for easy SMT mounting. Ideal for voltage regulation, switching, and clamping circuits, it offers low dynamic impedance and consistent performance across a wide temperature range. Ensure your electronic designs are protected and accurate with this durable and high-quality diode, available now for quick online ordering.

Get ROHM TFZV3.9B today—built for precision voltage regulation and long-lasting durability.

Frequently Asked Questions

Where can I buy ROHM TFZVTR39B?

You can click on the BUY or RFQ button to purchase TFZVTR39B from an authorized ROHM distributor.

How do I troubleshoot issues or seek technical support for part TFZVTR39B?

You can download the TFZVTR39B datasheet or visit the ROHM website for support.

Who is the manufacturer of TFZVTR39B?

ROHM

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