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ROHM PTZTFTE2539B Voltage Regulation Diode

The PTZTF3.9B is a high-reliability Zener diode designed for voltage regulation in electronic circuits. It features AEC-Q101 qualification, a DO-2144C (SMA) package, and a maximum power dissipation of 1000 mw. Suitable for industrial applications, it offers stable operation with a junction temperature of 150°C and a storage temperature range of -55°C to 150°C. The diode's compact molded design ensures small size and durability, making it ideal for precise voltage regulation and protection in automotive, industrial, and consumer electronic devices.

Authorized Distributors
Source:Newark
Part No:PTZTFTE253.9B
Stock:1015
Inv Date:06-10-2026
Price: Unit price: $0.876
Buy/RFQ:
Source:DigiKey
Part No:PTZTFTE253.9B
Stock:388
Inv Date:06-10-2026
Price: Unit price: $0.92
Buy/RFQ:

ROHM PTZTFTE2539B Voltage Regulation Diode Specifications:

  • Package Type: DO-2144C (SMA)
  • Power Dissipation: Pp 1000 mw
  • Junction Temperature: Tj 150°C
  • Storage Temperature: Tstg -55°C to 150°C
  • Maximum Reverse Power: 1000 mw
  • Marking: 3.9B
  • Repetitive Peak Reverse Voltage: 40V
  • Reverse Current: ≤40μA at Vr (Max. 40V)
  • Zener Voltage Range: 2.00V to 36.00V across series
  • Maximum Zener Voltage (at 1mA): 4.4V for PTZTF3.9B
  • Temperature Coefficient: Typical -2 mV/°C
  • Operating Frequency Range: 1 MHz typical
  • Package Dimensions: AB 7.80±0.2mm, b 1.30–1.70mm, D 2.40–2.80mm, H 4.30–4.70mm, He 4.70–5.30mm, ls 0.90–1.20mm
  • Material: Glass epoxy substrate, molded plastic case
  • Compliance: AEC-Q101 qualified for automotive use

Buy the ROHM PTZTF3.9B – Reliable Zener Diode for Industrial Applications

Secure your electronics project by purchasing the ROHM PTZTF3.9B Zener diode online today. With its AEC-Q101 qualification, 1000 mw power dissipation, and compact SMA package, it ensures robust voltage regulation and circuit protection across automotive, industrial, and consumer electronics. Its durable design and precise temperature operation make it ideal for demanding applications. Enjoy fast delivery and trusted quality when you order this high-reliability diode online, ensuring your project’s stability and longevity.

Buy ROHM PTZTF3.9B now and experience unmatched reliability and performance in voltage regulation for industrial devices.

Frequently Asked Questions

Where can I buy ROHM PTZTFTE2539B?

You can click on the BUY or RFQ button to purchase PTZTFTE2539B from an authorized ROHM distributor.

How do I troubleshoot issues or seek technical support for part PTZTFTE2539B?

You can download the PTZTFTE2539B datasheet or visit the ROHM website for support.

Who is the manufacturer of PTZTFTE2539B?

ROHM

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