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DIODES INC. FMMT618 High-Power Switching Transistor

The FMMT618 is an NPN silicon power switching transistor suitable for high-power and switching applications. It features a power dissipation of 625mW, low saturation voltage, and can handle a peak pulse current of 12A. Designed for efficiency, it offers excellent current gain up to 12A and has a low on-resistance for minimal power loss. Its operating temperature range is from -55°C to 150°C, making it ideal for power management and industrial applications. Market demand has extended lead times, with fluctuating delivery dates, and it is not available for discounts.

Authorized Distributors
Source:Newark
Part No:FMMT618
Stock:1780
Inv Date:06-11-2026
Price: Unit price: $0.651
Buy/RFQ:
Source:DigiKey
Part No:FMMT618
Stock:1506
Inv Date:06-11-2026
Price: Unit price: $0.26
Buy/RFQ:

DIODES INC. FMMT618 High-Power Switching Transistor Specifications:

  • Case Material: Molded plastic, 'Green' molding compound
  • BVceo: > 20V
  • Collector Current: 2.5A continuous, peak pulse 12A
  • Power Dissipation: 625mW
  • Thermal Resistance, Junction to Ambient: 200°C/W
  • Temperature Range: -55°C to +150°C
  • Terminals Finish: Matte Tin Plated Leads, Solderable
  • Flammability: UL 94V-0
  • Maximum Ratings: Collector-Base Voltage 20V, Collector-Emitter Voltage 20V
  • Transition Frequency: 100-140 MHz
  • Dimensions (mm): Length approximately 2.40, width approximately 1.83, height approximately 1.83
  • Weight: Approximately 0.008 grams

Buy the ZETEX Series Power Transistor: FMMT618

Purchase the ZETEX FMMT618 high-power NPN transistor online today to ensure efficient power management in your industrial and electronic projects. This device offers low saturation voltage, high current gain, and a wide operating temperature range for maximum performance and durability. Whether used in power modules or industrial systems, it provides dependable switching capabilities with easy solderability due to matte tin-plated leads. Order now to benefit from fast shipping and ensure your high-power designs operate reliably with this essential component.

Buy ZETEX FMMT618 now and experience unmatched reliability and performance in high-power switching applications.

Frequently Asked Questions

Where can I buy DIODES INC. FMMT618?

You can click on the BUY or RFQ button to purchase FMMT618 from an authorized DIODES INC. distributor.

How do I troubleshoot issues or seek technical support for part FMMT618?

You can download the FMMT618 datasheet or visit the DIODES INC. website for support.

Who is the manufacturer of FMMT618?

DIODES INC.

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