2DD2656
Document number: DS31638 Rev. 2 - 2 1 of 4
www.diodes.com December 2008
© Diodes Incorporated
2DD2656
NEW PRODUCT
LOW VCE(SAT) NPN SURFACE MOUNT TRANSISTOR
Features
• Epitaxial Planar Die Construction
• Low Collector-Emitter Saturation Voltage
• Ideal for Low Power Amplification and Switching
• Complementary PNP Type Available (2DB1694)
• Ultra-Small Surface Mount Package
• Lead Free By Design/RoHS Compliant (Note 1)
• "Green Device" (Note 2)
Mechanical Data
• Case: SOT-323
• 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 Alloy 42 leadframe.
Solderable per MIL-STD-202, Method 208
• Terminal Connections: See Diagram
• Marking Information: See Page 3
• Ordering Information: See Page 3
• Weight: 0.006 grams (approximate)
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic Symbol Value Unit
Collector-Base Voltage VCBO 30 V
Collector-Emitter Voltage VCEO 30 V
Emitter-Base Voltage VEBO 6 V
Collector Current - Continuous IC 1 A
Peak Pulse Collector Current ICM 2 A
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 3) @ TA = 25°C PD 300 mW
Thermal Resistance, Junction to Ambient (Note 3) @ TA = 25°C R
JA 417 °C/W
Power Dissipation (Note 4) @ TA = 25°C PD 500 mW
Thermal Resistance, Junction to Ambient (Note 4) @ TA = 25°C R
JA 250 °C/W
Operating and Storage Temperature Range TJ, TSTG -55 to +150 °C
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic Symbol Min Typ Max Unit Conditions
OFF CHARACTERISTICS
Collector-Base Breakdown Voltage V
BR
CBO 30 ⎯ ⎯ V IC = 10μA, IE = 0
Collector-Emitter Breakdown Voltage (Note 5) V
BR
CEO 30 ⎯ ⎯ V IC = 1mA, IB = 0
Emitter-Base Breakdown Voltage V
BR
EBO 6 ⎯ ⎯ V IE = 10μA, IC = 0
Collector Cut-Off Current ICBO ⎯ ⎯ 0.1 μA VCB = 15V, IE = 0
Emitter Cut-Off Current IEBO ⎯ ⎯ 0.1 μA VEB = 6V, IC = 0
ON CHARACTERISTICS (Note 5)
Collector-Emitter Saturation Voltage VCE
SAT
⎯ 100 350 mV
IC = 500mA, IB = 25mA
DC Current Gain hFE 270 ⎯ 680 ⎯ VCE = 2V, IC = 100mA
SMALL SIGNAL CHARACTERISTICS
Output Capacitance Cobo ⎯ 5 ⎯ pF VCB = 10V, IE = 0,
f = 1MHz
Current Gain-Bandwidth Product fT ⎯ 270 ⎯ MHz VCE = 2V, IC = 100mA,
f = 100MHz
Notes: 1. No purposefully added lead.
2. Diode’s 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 inch2 copper pad layout.
5. Measured under pulsed conditions. Pulse width = 300μs. Duty cycle ≤2%.
Top View Device Schematic
E
B
C