| PartNumber | DSS4240T-7 | DSS4240V-7 | DSS4220V-7 |
| Description | Bipolar Transistors - BJT NPN 40V 2A | Bipolar Transistors - BJT LOW VCE(SAT) NPN SMT | Bipolar Transistors - BJT LOW VCE(SAT) NPN SMT |
| Manufacturer | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | Bipolar Transistors - BJT |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOT-23-3 | SOT-563-6 | SOT-563-6 |
| Transistor Polarity | NPN | NPN | NPN |
| Configuration | Single | Single | Single |
| Collector Emitter Voltage VCEO Max | 40 V | 40 V | 20 V |
| Collector Base Voltage VCBO | 40 V | 40 V | 20 V |
| Emitter Base Voltage VEBO | 5 V | 5 V | 5 V |
| Collector Emitter Saturation Voltage | 320 mV | 400 mV | - |
| Maximum DC Collector Current | 3 A | 3 A | 2 A |
| Gain Bandwidth Product fT | 100 MHz | 150 MHz | 260 MHz |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Series | DSS42 | DSS42 | DSS42 |
| Height | 1 mm | 0.6 mm | 0.6 mm |
| Length | 2.9 mm | 1.6 mm | 1.6 mm |
| Packaging | Reel | Reel | Reel |
| Width | 1.3 mm | 1.2 mm | 1.2 mm |
| Brand | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated |
| DC Collector/Base Gain hfe Min | 150 at 2 A, 2 V | 75 at 2 A, 5 V | 120 |
| Pd Power Dissipation | 600 mW | 600 mW | 600 mW |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors |
| Factory Pack Quantity | 3000 | 3000 | 3000 |
| Subcategory | Transistors | Transistors | Transistors |
| Unit Weight | 0.000282 oz | 0.000106 oz | 0.000106 oz |
| DC Current Gain hFE Max | - | 300 at 1 mA, 5 V | 220 at 1 mA, 2 V |