Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details. W-DFN2020-3 (SWP) (Type A)

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FMMT411FDBWQ

NPN LOW VOLTAGE AVALANCHE TRANSISTOR IN W-DFN2020-3 SWP

Datasheet

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Description

The DIODES^TM FMMT411FDBWQ is a silicon planar bipolar transistor designed for operating in avalanche mode. Tight process control and low inductance packaging combine to produce high on current pulses with fast edges.

This Bipolar Junction Transistor (BJT) is designed to meet the stringent requirements of automotive applications.

Feature(s)

I_USB = 35A typical
BV_CBO > 80V
BV_CEO > 15V
Specifically Designed for Low Voltage Avalanche Mode Operation
Low Profile 0.62mm High Package for Thin Applications

Sidewall Tin Plating for Wettable Flanks in AOI
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
The FMMT411FDBWQ is suitable for automotive applications requiring specific change control; this part is AEC-Q101 qualified, PPAP capable, and manufactured in IATF16949 certified facilities.

https://www.diodes.com/quality/product-definitions/

Application(s)

Laser diode drivers for ranging and measurement (LIDAR)
Radar systems
Fast edge switch generators
High-speed pulse generators

Specifications & Technical Documents

Product Parameters

Compliance (Only Automotive Supports PPAP)	Automotive
AEC Qualified	Yes
V_{CBO (V)}	80 V
V_CEO, V_{CES (V)}	15 V
I_{CM (A)}	60 A
P_{D (W)}	1.7 W
I_{SA (A)}	35 A
I_SA(@ V_C) (V)	70 V
I_SA(@ C_CE) (pF)	470 pF
h_{FE (min)}	100 Min
f_T Min (MHz)	80 MHz
@ I_{C (mA)}	10 mA

Technical Documents

Recommended Soldering Techniques

TN1.pdf

Purchase & Availability

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Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN #	Issue Date	Implementation Date	Subject
PCN-2770	2025-10-30	2025-10-30	Add Fab Site Code, Country of Diffusion (COD) and Assembly Site Origin (ASO) on Product and Shipping Labels for all Diodes Products