MMBT6427
NPN SURFACE MOUNT DARLINGTON TRANSISTOR
Features
SOT-23
·
·
Epitaxial Planar Die Construction
Ideal for Medium Power Amplification and
Switching
Dim
A
Min
0.37
1.20
2.30
0.89
0.45
1.78
2.80
0.013
0.903
0.45
0.085
0°
Max
0.51
1.40
2.50
1.03
0.60
2.05
3.00
0.10
1.10
0.61
0.180
8°
A
C
·
High Current Gain
B
B
C
C
Mechanical Data
TOP VIEW
B
E
D
D
G
·
·
Case: SOT-23, Molded Plastic
Case material - UL Flammability Rating
Classification 94V-0
Moisture sensitivity: Level 1 per J-STD-020A
Terminals: Solderable per MIL-STD-202,
Method 208
Terminal Connections: See Diagram
Marking (See Page 2): K1D
Ordering & Date Code Information: See Page 2
Weight: 0.008 grams (approx.)
E
E
H
G
H
K
M
·
·
J
J
L
K
C
·
·
·
·
L
M
a
E
B
All Dimensions in mm
@ TA = 25°C unless otherwise specified
Maximum Ratings
Characteristic
Symbol
VCBO
VCEO
VEBO
IC
MMBT6427
Unit
V
Collector-Base Voltage
40
40
Collector-Emitter Voltage
V
Emitter-Base Voltage
12
V
Collector Current - Continuous (Note 1)
Power Dissipation (Note 1)
500
mA
mW
°C/W
°C
Pd
300
RqJA
Thermal Resistance, Junction to Ambient (Note 1)
Operating and Storage and Temperature Range
417
Tj, TSTG
-55 to +150
@ TA = 25°C unless otherwise specified
Electrical Characteristics
Characteristic
OFF CHARACTERISTICS (Note 2)
Collector-Base Breakdown Voltage
Collector-Emitter Breakdown Voltage
Emitter-Base Breakdown Voltage
Collector Cutoff Current
Symbol
Min
Max
Unit
Test Condition
V(BR)CBO
V(BR)CEO
V(BR)EBO
ICBO
IC = 100mA, IE = 0
40
40
12
¾
¾
¾
¾
¾
V
V
IC = 100mA, IB = 0
IE = 10mA, IC = 0
VCB = 30V, IE = 0
VCE = 25V, IB = 0
VEB = 10V, IC = 0
¾
V
50
1.0
50
nA
mA
nA
ICEO
Collector Cutoff Current
IEBO
Emitter Cutoff Current
ON CHARACTERISTICS (Note 2)
IC
= 10mA, VCE = 5.0V
10,000
20,000
14,000
100,000
200,000
140,000
IC = 100mA, VCE = 5.0V
IC = 500mA, VCE = 5.0V
hFE
DC Current Gain
¾
IC = 50mA, IB = 0.5mA
IC = 500mA, IB = 0.5mA
1.2
1.5
VCE(SAT)
Collector-Emitter Saturation Voltage
¾
V
IC = 500mA, IB = 0.5mA
IC = 50mA, VCE =5.0V
VBE(SAT)
VBE(ON)
Base- Emitter Saturation Voltage
Base- Emitter On Voltage
SMALL SIGNAL CHARACTERISTICS
Output Capacitance
¾
¾
2.0
V
V
1.75
VCB = 10V, f = 1.0MHz, IE = 0
VEB = 0.5V, f = 1.0MHz, IC = 0
Cobo
Cibo
8.0 Typical
15 Typical
pF
pF
Input Capacitance
Note:
1. 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.
2. Short duration test pulse used to minimize self-heating effect.
DS30048 Rev. 3 - 2
1 of 2
MMBT6427
www.diodes.com