Diodes DSS4540X User Manual download pdf

DSS4540X

Document number: DS31592 Rev. 2 - 2

1 of 4

www.diodes.com

December 2008

DSS4540X

NEW PRODUCT

LOW V

CE(SAT)

NPN SURFACE MOUNT TRANSISTOR

Features

• Complementary PNP Type Available (DSS5540X)

• Ultra Low Collector-Emitter Saturation Voltage

• Ideally Suited for Automated Assembly Processes

• Ideal for Medium Power Switching or Amplification Applications

• 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

= 25°C unless otherwise specified

Characteristic Symbol Value Unit

Collector-Base Voltage

CBO

40 V

Collector-Emitter Voltage

CEO

40 V

Emitter-Base Voltage

EBO

6 V

Continuous Collector Current

4 A

Repetitive Collector Current (Note 3)

CRM

5 A

Peak Pulse Collector Current

10 A

Continuous Base Current

1 A

Peak Pulse Base Current

2 A

Thermal Characteristics

Characteristic Symbol Value Unit

Power Dissipation (Note 4) @ T

= 25°C P

0.9 W

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

= 25°C

139 °C/W

Power Dissipation (Note 5) @ T

= 25°C P

2 W

Thermal Resistance, Junction to Ambient Air (Note 5) @ T

= 25°C

62.5 °C/W

Operating and Storage Temperature Range

, T

STG

-55 to +150 °C

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. Operated under pulsed conditions: pulse width ≤ 10ms; duty cycle ≤ 0.2.

4. Device mounted on FR-4 PCB with minimum recommended pad layout.

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

copper pad layout.

Top View

Device Schematic Pin Out Configuration

2,4

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Summary of Contents

Page 1

DSS4540X Document number: DS31592 Rev. 2 - 2 1 of 4 www.diodes.com December 2008© Diodes Incorporated DSS4540XNEW PRODUCT LOW VCE(SAT) NPN SURFAC

Page 2 - NEW PRODUCT

DSS4540X Document number: DS31592 Rev. 2 - 2 2 of 4 www.diodes.com December 2008© Diodes Incorporated DSS4540XNEW PRODUCT Electrical Characteris

Page 3

DSS4540X Document number: DS31592 Rev. 2 - 2 3 of 4 www.diodes.com December 2008© Diodes Incorporated DSS4540XNEW PRODUCT 010020030040050060070

DSS4540X Document number: DS31592 Rev. 2 - 2 4 of 4 www.diodes.com December 2008© Diodes Incorporated DSS4540XNEW PRODUCT Ordering Information

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