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DIODES INC. FMMT558 High Voltage PNP Transistor

The FMMT558 is a PNP silicon planar high-voltage bipolar transistor with a collector-base voltage of -400V and continuous collector current of -150mA. It offers excellent current gain at 100mA, low saturation voltage, and is suitable for power management and industrial circuits. This device is RoHS compliant, and operates within -55°C to 150°C. Its molded plastic case features matte tin-plated leads that are solderable, with a weight of approximately 0.008 grams. Ideal for high-voltage switching and industrial applications, it is qualified to AEC-Q101 standards for high reliability.

Authorized Distributors
Source:Newark
Part No:FMMT558
Stock:433
Inv Date:06-11-2026
Price: Unit price: $0.504
Buy/RFQ:

DIODES INC. FMMT558 High Voltage PNP Transistor Specifications:

  • Collector-Base Voltage: -400V
  • Collector-Emitter Voltage: -400V
  • Emitter-Base Voltage: V
  • Continuous Collector Current: -150mA
  • Peak Pulse Current: -500mA
  • Power Dissipation: 500mW
  • Operating Temperature Range: -55°C to 150°C
  • Thermal Resistance Junction to Ambient: 250°C/W
  • Case Material: Molded plastic
  • Lead Finish: Matte Tin Plated
  • UL Flammability Rating: 94V-0
  • Moisture Sensitivity Level: 1 (J-STD-020)
  • RoHS compliant, Halogen and Antimony Free
  • Qualified to AEC-Q101 standards
  • Weight: 0.008 grams

Buy the Buy Diodes High Voltage Transistor Part Number FMMT558 Online

Purchase the Diodes FMMT558 high-voltage PNP transistor online now to ensure superior performance in power switching and industrial applications. This RoHS compliant device offers 400V voltage ratings, 150mA continuous current, and excellent current gain, making it ideal for power management, industrial automation, and high-reliability systems. With a molded plastic case, matte tin-plated leads, and a weight of just 0.008 grams, it guarantees ease of soldering and durability. Shop now for fast delivery and enhanced system reliability.

Buy Diodes FMMT558 high-voltage PNP transistor now and experience reliable performance in power management and industrial circuits.

Frequently Asked Questions

Where can I buy DIODES INC. FMMT558?

You can click on the BUY or RFQ button to purchase FMMT558 from an authorized DIODES INC. distributor.

How do I troubleshoot issues or seek technical support for part FMMT558?

You can download the FMMT558 datasheet or visit the DIODES INC. website for support.

Who is the manufacturer of FMMT558?

DIODES INC.

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