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| PartNumber | QS5W2TR | QS5W1TR | QS5W2 |
| Description | Bipolar Transistors - BJT Isolated DC/DC Converter | Bipolar Transistors - BJT Isolated AC/DC Converter | |
| Manufacturer | ROHM Semiconductor | ROHM Semiconductor | Rohm Semiconductor |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | Transistors (BJT) - Arrays |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOT-25T-5 | SOT-25T-5 | - |
| Transistor Polarity | NPN | NPN | - |
| Configuration | Dual | Dual | - |
| Collector Emitter Voltage VCEO Max | 50 V | 30 V | - |
| Collector Base Voltage VCBO | 50 V | 30 V | - |
| Emitter Base Voltage VEBO | 6 V | 6 V | - |
| Collector Emitter Saturation Voltage | 130 mV | 200 mV | - |
| Maximum DC Collector Current | 3 A | 3 A | - |
| Gain Bandwidth Product fT | 320 MHz | 270 MHz | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| DC Current Gain hFE Max | 450 | 500 at 500 mA, 2 V | - |
| Packaging | Reel | Reel | Digi-ReelR Alternate Packaging |
| Brand | ROHM Semiconductor | ROHM Semiconductor | - |
| DC Collector/Base Gain hfe Min | 180 | 200 at 500 mA, 2 V | - |
| Pd Power Dissipation | 500 mW | 1.25 W | - |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | - |
| Factory Pack Quantity | 3000 | 3000 | - |
| Subcategory | Transistors | Transistors | - |
| Part # Aliases | QS5W2 | QS5W1 | - |
| Continuous Collector Current | - | 3 A | - |
| Series | - | - | - |
| Package Case | - | - | SOT-23-5 Thin, TSOT-23-5 |
| Mounting Type | - | - | Surface Mount |
| Supplier Device Package | - | - | TSMT5 |
| Power Max | - | - | 1.25W |
| Transistor Type | - | - | 2 NPN (Dual) Common Emitter |
| Current Collector Ic Max | - | - | 3A |
| Voltage Collector Emitter Breakdown Max | - | - | 50V |
| DC Current Gain hFE Min Ic Vce | - | - | 180 @ 50mA, 3V |
| Vce Saturation Max Ib Ic | - | - | 350mV @ 50mA, 1A |
| Current Collector Cutoff Max | - | - | 1μA (ICBO) |
| Frequency Transition | - | - | 320MHz |