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DIODES INC. FMMT558TA High Voltage PNP Transistor

The FMMT558TA is a high-voltage PNP transistor designed in SOT23 packaging, capable of withstanding voltages up to -400V. It features a continuous collector current of -150mA, peak pulse current of -500mA, and a power dissipation of 500mW. The device is RoHS compliant, lead-free, with matte tin-plated leads for soldering, and meets AEC-Q101 standards for reliability. Ideal for high-voltage switching applications, it offers excellent thermal characteristics and robust electrostatic discharge ratings.

Authorized Distributors
Source:Newark
Part No:FMMT558TA
Stock:1
Inv Date:06-11-2026
Price: Unit price: $0.714
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Source:DigiKey
Part No:FMMT558TA
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.13912
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Part No:FMMT558TA
Stock:24578
Inv Date:06-12-2026
Price: Unit price: $0.75
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Part No:FMMT558TA
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.45
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Part No:FMMT558TA
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.108
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Part No:FMMT558TA
Stock:422
Inv Date:06-12-2026
Price: N/A
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DIODES INC. FMMT558TA High Voltage PNP Transistor Specifications:

  • Maximum Collector-Base Voltage: -400V
  • Maximum Collector-Emitter Voltage: -400V
  • Maximum Emitter-Base Voltage: V
  • Continuous Collector Current: -150mA
  • Peak Pulse Current: -500mA
  • Power Dissipation: 500mW
  • Thermal Resistance Junction to Ambient: 250°C/W
  • Thermal Resistance Junction to Lead: 197°C/W
  • Electrostatic Discharge (ESD) Ratings: 8,000V (Human Body Model), 400V (Machine Model)
  • Case Material: Molded plastic, RoHS and Halogen free
  • Operating Temperature Range: -55°C to +150°C
  • Package: SOT23, with matte tin-plated leads
  • UL Flammability Rating: 94V-0
  • Level 1 Moisture Sensitivity (J-STD-020)

Buy the Buy Diodes FMMT558TA Part Number FMMT558TA Online

Purchase the Diodes FMMT558TA high-voltage PNP transistor online today for reliable switching applications. This RoHS-compliant device operates at -400V with a collector current of -150mA, peak pulse of -500mA, and dissipation of 500mW, making it ideal for demanding high-voltage environments. It offers excellent thermal characteristics, robust ESD ratings up to 8,000V human body model, and meets AEC-Q101 standards for automotive reliability. Secure fast delivery and technical support for your electronics projects now.

Order your Diodes FMMT558TA high-voltage PNP transistor today and ensure reliable high voltage switching in your electronic designs.

Frequently Asked Questions

Where can I buy DIODES INC. FMMT558TA?

You can click on the BUY or RFQ button to purchase FMMT558TA from an authorized DIODES INC. distributor.

How do I troubleshoot issues or seek technical support for part FMMT558TA?

You can download the FMMT558TA datasheet or visit the DIODES INC. website for support.

Who is the manufacturer of FMMT558TA?

DIODES INC.

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