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MMBT6427
NPN SURFACE MOUNT DARLINGTON TRANSISTOR
Features
• Epitaxial Planar Die Construction
• Ideal for Low Power Amplification and Switching
• High Current Gain
• Lead, Halogen and Antimony Free, RoHS Compliant
"Green" Device (Notes 1 and 4)
Mechanical Data
• Case: SOT-23
• Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020D
• Terminals: Solderable per MIL-STD-202, Method 208
• Lead Free Plating (Matte Tin Finish annealed over Alloy
42 leadframe).
• Terminal Connections: See Diagram
• Marking (See Page 3): K1D
• Ordering & Date Code Information: See Page 3
• Weight: 0.008 grams (approximate)
Maximum Ratings @T
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current - Continuous
= 25°C unless otherwise specified
A
Characteristic Symbol Value Unit
E
B
C
TOP VIEW
G
H
B
A
E
D
C
B
C
K
J
E
L
V
CBO
V
CEO
V
EBO
IC
M
40 V
40 V
12 V
500 mA
SOT-23
Dim Min Max
A 0.37 0.51
B 1.20 1.40
C 2.30 2.50
D 0.89 1.03
E 0.45 0.60
G 1.78 2.05
H 2.80 3.00
J 0.013 0.10
K 0.903 1.10
L 0.45 0.61
M 0.085 0.180
α
0° 8°
All Dimensions in mm
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 2) @ TA = 25°C PD
Thermal Resistance, Junction to Ambient (Note 2)@ TA = 25°C
Operating and Storage Temperature Range
Electrical Characteristics @T
OFF CHARACTERISTICS (Note 3)
Collector-Base Breakdown Voltage
Collector-Emitter Breakdown Voltage
Emitter-Base Breakdown Voltage
Collector Cutoff Current
Collector Cutoff Current
Emitter Cutoff Current
ON CHARACTERISTICS (Note 3)
DC Current Gain
Collector-Emitter Saturation Voltage
Base-Emitter Saturation Voltage
Base-Emitter On Voltage
SMALL SIGNAL CHARACTERISTICS
Output Capacitance
Input Capacitance
Notes: 1. No purposefully added lead. Halogen and Antimony Free.
2. Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which
can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
3. Short duration pulse test used to minimize self-heating effect.
4. Product manufactured with Data Code V9 (week 33, 2008) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code V9 are built with Non-Green Molding Compound and may contain Halogens or Sb
DS30048 Rev. 9 - 2 1 of 3
Characteristic Symbol Min Max Unit Test Condition
= 25°C unless otherwise specified
A
TJ, T
V
(BR)CBO
V
(BR)CEO
V
(BR)EBO
I
CBO
I
CEO
I
EBO
40
40
12
⎯
⎯
⎯
10,000
20,000
hFE
14,000
V
CE(SAT)
V
BE(SAT)
V
BE(ON)
C
C
obo
ibo
⎯
⎯
⎯
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R
JA
θ
STG
⎯
⎯
⎯
V
V
V
50 nA
1.0
μA
50 nA
100,000
200,000
⎯
140,000
1.2
1.5
V
2.0 V
1.75 V
8.0 Typical pF
15 Typical pF
Fire Retardants.
2O3
300 mW
417
-55 to +150
°C/W
°C
IC = 100μA, IE = 0
IC = 10mA, IB = 0
IE = 10μA, IC = 0
VCB = 30V, IE = 0
V
= 25V, IB = 0
CE
V
= 10V, IC = 0
EB
IC = 10mA, VCE = 5.0V
IC = 100mA, V
CE
= 5.0V
IC = 500mA, VCE = 5.0V
IC = 50mA, IB = 0.5mA
IC = 500mA, IB = 0.5mA
IC = 500mA, IB = 0.5mA
IC = 50mA, VCE =5.0V
VCB = 10V, f = 1.0MHz, IE = 0
VEB = 0.5V, f = 1.0MHz, IC = 0
MMBT6427
© Diodes Incorporated
400
350
300
250
200
150
100
D
P , POWER DISSIPATION (mW)
50
0
0
25 50
T , AMBIENT TEMPERATURE (°C)
Fig. 1, Max Power Dissipation vs Ambient Temperature
1,000,000
100,000
10,000
FE
h , DC CURRENT GAIN
1,000
100
1000
A
1
I , COLLECTOR CURRENT (mA)
C
Fig. 3, DC Current Gain vs Collector Current
75
10
100 125
100
150
175
200
1000
1.10
1.05
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0.50
CE(SAT)
V , COL L E C T O R T O E MITT E R
SA T U R ATION V O LTA G E (V )
0.45
0.40
1
I , COLLECTOR CURRENT (mA)
Fig. 2, Collector Emitter Saturation Voltage vs. Collector Current
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
BE(ON)
0.4
V , BASE EMITTER VOLTAGE (V)
0.3
0.2
0.1 1
C
Fig. 4, Base Emitter Voltage vs. Collector Current
10
I , COLLECTOR CURRENT (mA)
C
100
10
1000
100
100
10
T
f , GAIN BANDWIDTH PRODUCT (MHz)
1
110
Fig. 5, Gain Bandw idth Product vs Collector Curr ent
I , COLLECTOR CURRENT (mA)
C
100
DS30048 Rev. 9 - 2 2 of 3
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MMBT6427
© Diodes Incorporated