Diodes MMDT3946 User Manual download pdf

MMDT3946

Document number: DS30123 Rev. 11 - 2

1 of 6

www.diodes.com

October 2008

MMDT3946

COMPLEMENTARY NPN / PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR

Features

• Complementary Pair One 3904-Type NPN

One 3906-Type PNP

• Epitaxial Planar Die Construction

• Ideal for Low Power Amplification and Switching

• Ultra-Small Surface Mount Package

• Lead Free/RoHS Compliant (Note 3)

• "Green" Device (Note 4 and 5)

Mechanical Data

• Case: SOT-363

• Case Material: Molded Plastic, “Green” Molding Compound,

Note 5. UL Flammability Classification Rating 94V-0

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

• Terminals: Matte Tin Finish annealed over Alloy 42 leadframe

(Lead Free Plating) Solderable per MIL-STD-202, Method 208

• Terminal Connections: See Diagram

• Marking Information: See Page 5

• Ordering Information: See Page 5

• Weight: 0.006 grams (approximate)

E1, B1, C1 = PNP3906 Section

E2, B2, C2 = NPN3904 Section

Top View

Device Schematic

Maximum Ratings, NPN 3904 Section @T

= 25°C unless otherwise specified

Characteristic Symbol NPN 3904 Section Unit

Collector-Base Voltage

CBO

60 V

Collector-Emitter Voltage

CEO

40 V

Emitter-Base Voltage

EBO

6.0 V

Collector Current - Continuous (Note 1)

200 mA

Maximum Ratings, PNP 3906 Section @T

= 25°C unless otherwise specified

Characteristic Symbol PNP 3906 Section Unit

Collector-Base Voltage

CBO

-40 V

Collector-Emitter Voltage

CEO

-40 V

Emitter-Base Voltage

EBO

-5.0 V

Collector Current - Continuous (Note 1)

-200 mA

Thermal Characteristics, Total Device

Power Dissipation (Note 1, 2)

200 mW

Thermal Resistance, Junction to Ambient (Note 1)

625

°C/W

Operating and Storage Temperature Range

, T

STG

-55 to +150

°C

Notes: 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. Maximum combined dissipation.

3. No purposefully added lead.

4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.

5. Product manufactured with Date Code UO (week 40, 2007) and newer are built with Green Molding Compound. Product manufactured prior to Date

Code UO are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.

1 2 3 4 5 6

Summary of Contents

Page 1 - , Total Device

MMDT3946 Document number: DS30123 Rev. 11 - 2 1 of 6 www.diodes.com October 2008© Diodes Incorporated MMDT3946 COMPLEMENTARY NPN / PNP SMALL SIGNA

Page 2 - MMDT3946

MMDT3946 Document number: DS30123 Rev. 11 - 2 2 of 6 www.diodes.com October 2008© Diodes Incorporated MMDT3946 Electrical Characteristics, NPN 39

Page 3

MMDT3946 Electrical Characteristics, PNP 3906 Section @TA = 25°C unless otherwise specified Characteristic Symbol Min Max Unit Test Conditio

Page 4

MMDT3946 0.010.110.1 1 101001,000V, COLLECTOR-EMITTERSATURATION VOLTAGE CE(SAT)(V)I , COLLECTOR CURRENT (mA)Fig. 3 Typical Collector-Emitter Satura

MMDT3946 1100100.1110 100CAPACITANCE (pF)V , REVERSE VOLTAGE (V)Fig. 9 Typical Capacitance Characteristics (PNP-3906)R Ordering Information (Not

Page 6 - Suggested Pad Layout

MMDT3946 Document number: DS30123 Rev. 11 - 2 6 of 6 www.diodes.com October 2008© Diodes Incorporated MMDT3946 Suggested Pad Layout

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Summary of Contents

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