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Diodes 2DD2679 User Manual

Features, Mechanical data, Maximum ratings

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2DD2679

Document number: DS31629 Rev. 2 - 2

1 of 4

www.diodes.com

December 2008

© Diodes Incorporated

2DD2679

NEW PROD

UC

T


LOW V

CE(SAT)

NPN SURFACE MOUNT TRANSISTOR

Features

Epitaxial Planar Die Construction

Ideally Suited for Automated Assembly Processes

Ideal for Medium Power Switching or Amplification Applications

Complementary PNP Type (2DB1714) Available

Lead Free By Design/RoHS Compliant (Note 1)

"Green" Device (Note 2)

Mechanical Data

• Case:

SOT89-3L

Case Material: Molded Plastic, "Green” Molding Compound.
UL Flammability Classification Rating 94V-0

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

Terminals: Finish — Matte Tin annealed over Copper leadframe
(Lead Free Plating). Solderable per MIL-STD-202, Method 208

Marking Information: See Page 4

Ordering Information: See Page 4

Weight: 0.072 grams (approximate)










Maximum Ratings

@T

A

= 25°C unless otherwise specified

Characteristic Symbol

Value

Unit

Collector-Base Voltage

V

CBO

30 V

Collector-Emitter Voltage

V

CEO

30 V

Emitter-Base Voltage

V

EBO

6 V

Peak Pulse Current

I

CM

4 A

Continuous Collector Current

I

C

2 A

Thermal Characteristics

Characteristic Symbol

Value

Unit

Power Dissipation (Note 3) @ T

A

= 25°C

P

D

0.9 W

Thermal Resistance, Junction to Ambient Air (Note 3) @ T

A

= 25°C

R

θJA

139 °C/W

Power Dissipation (Note 4) @ T

A

= 25°C

P

D

2 W

Thermal Resistance, Junction to Ambient Air (Note 4) @ T

A

= 25°C

R

θJA

62.5 °C/W

Operating and Storage Temperature Range

T

J

, T

STG

-55 to +150

°C

Electrical Characteristics

@T

A

= 25°C unless otherwise specified

Characteristic Symbol

Min

Typ

Max

Unit

Conditions

OFF CHARACTERISTICS
Collector-Base Breakdown Voltage

V

(BR)CBO

30

V

I

C

= 10

μA, I

E

= 0

Collector-Emitter Breakdown Voltage (Note 5)

V

(BR)CEO

30

V

I

C

= 1mA, I

B

= 0

Emitter-Base Breakdown Voltage

V

(BR)EBO

6

V

I

E

= 10

μA, I

C

= 0

Collector Cut-Off Current

I

CBO

0.1

μA

V

CB

= 30V, I

E

= 0

Emitter Cut-Off Current

I

EBO

0.1

μA

V

EB

= 6V, I

C

= 0

ON CHARACTERISTICS (Note 5)
Collector-Emitter Saturation Voltage

V

CE(SAT)

80 370 mV

I

C

= 1.5A, I

B

= 75mA

DC Current Gain

h

FE

270

680

V

CE

= 2V, I

C

= 200mA

SMALL SIGNAL CHARACTERISTICS

Output Capacitance

C

obo

11

pF

V

CB

= 10V, I

E

= 0,

f = 1MHz

Current Gain-Bandwidth Product

f

T

240

MHz

V

CE

= 2V, I

C

= 100mA,

f = 100MHz

Notes:

1. No purposefully added lead.
2. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
3. Device mounted on FR-4 PCB with minimum recommended pad layout.

4. Device mounted on FR-4 PCB with 1 inch

2

Copper pad layout.

5. Measured under pulsed conditions. Pulse width = 300

μs. Duty cycle ≤2%.



Top View

Device Schematic

Pin Out Configuration

4

3

2

1

C

C

B

E

TOP VIEW

3

1

2,4

COLLECTOR

EMITTER

BASE

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