Pb

Lead-free

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

a

0°

8°

All Dimensions in mm

DS30048 Rev. 8 - 2

1 of 4

MMBT6427

www.diodes.com

MMBT6427

NPN SURFACE MOUNT DARLINGTON TRANSISTOR

Characteristic

Symbol

Value

Unit

Collector-Base Voltage

40

V

Collector-Emitter Voltage

40

V

Emitter-Base Voltage

12

V

Collector Current - Continuous

500

mA

Maximum Ratings

A

C

B

E

J

L

TOP VIEW

M

B

C

H

G

D

K

E

Mechanical Data

·

Case: SOT-23

·

Case Material: Molded Plastic. UL Flammability

Classification Rating 94V-0

·

Moisture Sensitivity: Level 1 per J-STD-020C

·

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)

E

B

C

Features

·

Epitaxial Planar Die Construction

·

Ideal for Low Power Amplification and Switching

·

High Current Gain

·

Lead Free/RoHS Compliant (Note 1)

Note:

1. No purposefully added lead.

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.

Thermal Characteristics

Characteristic

Symbol

Value

Unit

300

mW

417

°

C/W

Operating and Storage Temperature Range

-55 to +150

°

C

SPICE MODEL: MMBT6427