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MMBT4401 on a board, in 3D

MMBT4401

Diodes Incorporated

-55℃~+150℃ 1 NPN 100nA 250MHz 350mW 400mV 40V 600mA 6V 80 NPN SOT-23 Bipolar (BJT) ROHS

Extended
DatasheetJLCPCBLCSCdiodes/MMBT4401
Category
Bipolar (BJT)
Package
SOT-23
Pins
3

Overview

The MMBT4401 is a bipolar made by Diodes Incorporated in a SOT-23 package with 3 pins. -55℃~+150℃ 1 NPN 100nA 250MHz 350mW 400mV 40V 600mA 6V 80 NPN SOT-23 Bipolar (BJT) ROHS.

PCBKit's library has its KiCad symbol (Pinmap_Generic:Q_NPN_1B_2E_3C, from PCBKit's generic symbols) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 35,418 are in stock at JLCPCB (part C151826). 10 open-source boards in 10 repositories on GitHub use it.

Symbol

Pinmap_Generic:Q_NPN_1B_2E_3CFrom PCBKit's generic symbols

Footprint

123
Package_TO_SOT_SMD:SOT-23From KiCad's library

From the datasheet

10
Collector-emitter, most
40 V · Collector-emitter voltage, absolute max · p. 2
Collector current, most
600 mA · Collector current, absolute max at TA = +25°C · p. 2
Junction, hottest
150 °C · Junction temperature, max · p. 2
Junction to air (SOT23)
403 K/W · Junction to ambient, minimum recommended pad layout, Note 5 · p. 2
Junction to air (SOT23)
357 K/W · Junction to ambient, 15mm x 15mm copper, Note 6 · p. 2
Junction to case (SOT23)
120 K/W · Junction to case, Note 5 · p. 2
Current gain, least
20 · DC current gain, min at IC = 100uA, VCE = 1V · p. 4
Current gain, least
40 · DC current gain, min at IC = 1mA, VCE = 1V · p. 4
Current gain, least
80 · DC current gain, min at IC = 10mA, VCE = 1V · p. 4
Current gain, least
100 · DC current gain, min at IC = 150mA, VCE = 1V · p. 4

What it is and has

6
Construction
Epitaxial planar die · p. 1
Application
Medium power amplification and switching · p. 1
Complementary PNP
MMBT4403 · p. 1
Package
SOT23 · p. 1
Compliance
Lead-free and RoHS compliant · p. 1
Materials
Halogen and antimony free · p. 1

Specifications

41
ParameterConditionsAs printedPage
Collector-Base Voltage VCBOTA = +25°Cmax 60 V2
Collector-Emitter Voltage VCEOTA = +25°Cmax 40 V2
Emitter-Base Voltage VEBOTA = +25°Cmax 6 V2
Collector Current ICTA = +25°Cmax 600 mA2
Peak Collector Current ICMTA = +25°Cmax 1 A2
Peak Base Current IBMTA = +25°Cmax 200 mA2
Power Dissipation PDTA = +25°C; Note 5max 310 mW2
Power Dissipation PDTA = +25°C; Note 6max 350 mW2
Thermal Resistance, Junction to Ambient RθJATA = +25°C; Note 5max 403 C/W2
Thermal Resistance, Junction to Ambient RθJATA = +25°C; Note 6max 357 C/W2
Thermal Resistance, Junction to Leads RθJLTA = +25°C; Note 7max 350 C/W2
Thermal Resistance, Junction to Case RθJCTA = +25°C; Note 5max 120 C/W2
Operating and Storage Temperature Range TJ,TSTGmin -55 · max 150 C2
Electrostatic Discharge - Human Body Model ESD HBMNote 8; JEDEC Class 3Amax 4000 V2
Electrostatic Discharge - Machine Model ESD MMNote 8; JEDEC Class Cmax 400 V2
Electrostatic Discharge – Charged Device Model ESD CDMNote 8; JEDEC Class C3max 1000 V2
Collector-Base Breakdown Voltage BVCBOTA = +25°C; IC = 100uAmin 60 V4
Collector-Emitter Breakdown Voltage (Note 9) BVCEOTA = +25°C; IC = 10mAmin 40 V4
Emitter-Base Breakdown Voltage BVEBOTA = +25°C; IE = 100uAmin 6 V4
Collector Cutoff Current ICEXTA = +25°C; VCE = 35V, VEB(off) = 0.4Vmax 100 nA4
Base Cutoff Current IBLTA = +25°C; VCE = 35V, VEB(off) = 0.4Vmax 100 nA4
DC Current Gain hFETA = +25°C; IC = 100uA, VCE = 1V; Note 9min 20 4
DC Current Gain hFETA = +25°C; IC = 1mA, VCE = 1V; Note 9min 40 4
DC Current Gain hFETA = +25°C; IC = 10mA, VCE = 1V; Note 9min 80 4
DC Current Gain hFETA = +25°C; IC = 150mA, VCE = 1V; Note 9min 100 · max 300 4
DC Current Gain hFETA = +25°C; IC = 500mA, VCE = 2V; Note 9min 40 4
Collector-Emitter Saturation Voltage VCE(sat)TA = +25°C; IC = 150mA, IB = 15mA; Note 9max 0.4 V4
Collector-Emitter Saturation Voltage VCE(sat)TA = +25°C; IC = 500mA, IB = 50mA; Note 9max 0.75 V4
Base-Emitter Saturation Voltage VBE(sat)TA = +25°C; IC = 150mA, IB = 15mA; Note 9min 0.75 · max 0.95 V4
Base-Emitter Saturation Voltage VBE(sat)TA = +25°C; IC = 500mA, IB = 50mA; Note 9max 1.2 V4
Output Capacitance CcbTA = +25°C; VCB = 5V, f = 1MHzmax 6.5 pF4
Input Capacitance CebTA = +25°C; VEB = 0.5V, f = 1MHzmax 30 pF4
Input Impedance hieTA = +25°C; VCE = 10V, IC = 1mA, f = 1kHzmin 1 · max 15 kΩ4
Voltage Feedback Ratio hreTA = +25°C; VCE = 10V, IC = 1mA, f = 1kHzmin 0.1 · max 8 x 10-44
Small Signal Current Gain hfeTA = +25°C; VCE = 10V, IC = 1mA, f = 1kHzmin 40 · max 500 4
Output Admittance hoeTA = +25°C; VCE = 10V, IC = 1mA, f = 1kHzmin 1 · max 30 uS4
Current Gain-Bandwidth Product fTTA = +25°C; VCE = 10V, IC = 20mA, f = 100MHzmin 250 MHz4
Delay Time tdTA = +25°C; VCC = 30V, IC = 150mA, VBE(off) = 2V, IB1 = 15mAmax 15 ns4
Rise Time trTA = +25°C; VCC = 30V, IC = 150mA, VBE(off) = 2V, IB1 = 15mAmax 20 ns4
Storage Time tsTA = +25°C; VCC = 30V, IC = 150mA, IB1 = -IB2 = 15mAmax 225 ns4
Fall Time tfTA = +25°C; VCC = 30V, IC = 150mA, IB1 = -IB2 = 15mAmax 30 ns4

Ordering codes, by the datasheet

2
MMBT4401-7-F
SOT23 · 7-inch reel, 8 mm tape, 3,000 pieces · p. 1
MMBT4401-13-F
SOT23 · 13-inch reel, 8 mm tape, 10,000 pieces · p. 1

Parameters

15
Collector - Emitter Voltage VCEO
40V
Configuration
Standalone
Current - Collector Cutoff
100nA
Current - Collector(Ic)
600mA
DC Current Gain
80
Emitter-Base Voltage(Vebo)
6V
Junction Temperature(Max)
150℃
Number
1 NPN
Operating Temperature
-55℃~+150℃
Pd - Power Dissipation
350mW
Thermal Resistance(Junction to Ambient)
403℃/W
Thermal Resistance(Junction to Case)
120℃/W
Transition frequency(fT)
250MHz
Vce Saturation(VCE(sat))
400mV
type
NPN

Order codes

2

Pinout

3
The pins of the MMBT4401
PinNameType
1BInput
2EPassive
3CPassive

Open-source boards using it

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  • 4 layers449.2 × 272.9 mmBoard v4 pre v5, the printed circuit board in 3D

    Board v4 pre v5

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Questions

Is there a KiCad symbol and footprint for the MMBT4401?

Yes. The symbol is Pinmap_Generic:Q_NPN_1B_2E_3C and the footprint Package_TO_SOT_SMD:SOT-23, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the MMBT4401?

SOT-23, with 3 pins. Its footprint is drawn on this page.

Where is the MMBT4401 datasheet?

Diodes Incorporated publishes it: the Datasheet link on this page opens it.

Where can I order the MMBT4401?

JLCPCB lists it as part C151826, with 35,418 in stock; the sellers' links on this page open their listings.

What can replace the MMBT4401?

Parts like it in the library: the MMBT2907ALT1G by onsemi, the MMBT2222A by STMicroelectronics, the 2N5551S-RTK/P by KEC Semicon and the MMBT8050D by STMicroelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the MMBT4401?

10 boards in 10 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8