MMBT4401
NPN GENERAL PURPOSE SWITCHING TRANSISTOR
VOLTAGE
40 Volts
POWER
225 mWatts
FEATURES
• NPN epitaxial silicon, planar design
• Collector-emitter voltage VCE = 40V
• Collector current IC = 600mA
• Lead free in comply with EU RoHS 2011/65/EU directives
• Green molding compound as per IEC61249 Std. .
(Halogen Free)
MECHANICAL DATA
• Case: SOT-23, Plastic
• Terminals: Solderable per MIL-STD-750, Method 2026
• Approx. Weight: 0.008 gram
• Marking: M4A
0.056(1.40)
0.047(1.20)
0.079(2.00)
0.070(1.80)
0.004(0.10)
0.000(0.00)
0.120(3.04)
0.110(2.80)
0.006(0.15)MIN.
0.008(0.20)
0.003(0.08)
0.044(1.10)
0.035(0.90)
0.020(0.50)
0.013(0.35)
ABSOLUTE RATINGS
egatloVrettimE-rotcelloC V
egatloVesaB-rotcelloC V
egatloVesaB-rettimE V
suounitnoC-tnerruCrotcelloC I
THERMAL CHARACTERISTICS
)1etoN(noitapissiDrewoPxaM P
erutarepmeTnoitcnuJ T
erutarepmeTegarotS IT
RETEMARAPlobmySeulaVstinU
CEO
CBO
EBO
C
04V
06V
0.6V
006Am
RETEMARAPlobmySeulaVstinU
tneibmAotnoitcnuJ,ecnatsiseRlamrehT Rθ
TOT
JA
J
STG
522Wm
655
051ot55-
051ot55-
O
W/C
O
C
O
C
Note 1: Transistor mounted on FR-5 board 1.0 x 0.75 x 0.062 in.
March 4,2013-REV.02
PAGE . 1
MMBT4401
ELECTRICAL CHARACTERISTICS
RETEMARAPlobmySnoitidnoCtseT.NIM.PYT.XAMstinU
egatloVnwodkaerBrettimE-rotcelloCV
egatloVnwodkaerBesaB-rotcelloCV
egatloVnwodkaerBesaB-rettimEV
tnerruCffotuCesaBI
tnerruCffotuCrotcelloCI
(BR)
(BR)
(BR)
BL
CEX
OECICI,Am0.1=
OBCICI,Au001=
OBEIEI,Au001=
V
V
B
0=04--V
E
0=06--V
C
0=0.6--V
EC
V,V53=
BE
V4.0=--001An
EC
V,V53=
BE
V4.0=--001An
)2etoN(niaGtnerruCCDh
egatloVnoitarutaSrettimE-rotcelloC
)2etoN(
egatloVnoitarutaSrettimE-esaB
)2etoN(
V
V
ecnaticapaCesaB-rotcelloCC
ecnaticapaCesaB-rettimEC
tcudorPhtdiwdnaB-niaGtnerruCF
emiTyaleDdt
emiTesiRrt
emiTegarotSst
emiTllaFft
EF
CE(SAT)
BE(SAT)
CBO
EBO
T
I
C
I
C
C
I
I
C
I
C
I
C
I
C
I
C
I
C
V
V
V
V
I
C
V
I
C
V
I
B
V
I
B
V,Am1.0=
EC
V0.1=
V,Am0.1=
EC
V,Am01=
BC
I,V5=
E
BC
EC
I,V01=
CC
V,V03=
I,Am051=
CC
V,V03=
I,Am051=
CC
I,V03=
C
I=1
B
CC
I,V03=
C
I=1
B
V0.1=
EC
V0.1=
V,Am051=
EC
V0.1=
V,Am005=
EC
V0.2=
I,Am051=
B
Am51=
I,Am005=
B
Am05=
I,Am051=
B
Am51=
I,Am005=
B
Am05=
zHM1=f,0=--5.6Fp
I,V5.0=
C
C
EB
1B
EB
1B
zHM1=f,0=--03Fp
zHM001=f,Am02=052--zHM
,V0.2=
Am51=
,V0.2=
Am51=
Am051=
Am51=2
Am051=
Am51=2
02
04
08
001
04
--
57.0
-
--51sn
--02sn
-- 522sn
--03sn
-
-
-
-
-
-
-
-
-
-
-
003
-
04.0
57.0
59.0
02.1
V
V
March 4,2013-REV.02
PAGE . 2
MMBT4401
1.1
1
0.9
0.8
0.7
0.6
Saturation Voltage (V)
0.5
0.4
0.3
(sat), Base−Emitter
BE
V
TJ= 25°C
1 10 100 1000
TJ= 75°C
TJ= 125°C
IC/IB= 10
IC, Collector Current (mA)
Fig.1 Base Emitter Saturation Voltage vs. Collector Current
0.45
0.4
IC/IB= 10
0.35
0.3
0.25
0.2
0.15
0.1
(sat), Collector−Emitter
Saturation Voltage (V)
0.05
CE
V
0
1 10 100 1000
TJ= 125°C
TJ= 75°C
TJ= 25°C
IC, Collector Current (mA)
1
0.9
0.8
0.7
0.6
0.5
Voltage (V)
(on), Base−Emitter
V
0.4
BE
0.3
0.2
TJ= 25°C
0.1 1 10 100
TJ= 75°C
VCE= 5V
TJ= 125°C
IC, Collector Current (mA)
Fig.2 Base Emitter Voltage vs. Collector Current
1000
100
TJ= 25°C
10
, DC Current Gain
FE
h
1
0.1 1 10 100 1000
TJ= 75°C
TJ= 125°C
VCE= 1 V
IC, Collector Current (A)
Fig.3 Collector Emitter Saturation Voltage vs. Collector Current
100
C
ib
10
1
Cob(CB)
TA= 25°C
(BE)
C, Capacitance (pF)
0.1
0.1 1 10 100
VR, Reverse Voltage (V)
Fig.5 Typical Capacitance
Fig.4 DC Current Gain vs. Collector Current
March 4,2013-REV.02
PAGE . 3