 | |  | |
| PartNumber | STD840DN40 | STD845DN40 | STD840BLK |
| Description | Bipolar Transistors - BJT Dual NPN High Volt 400V Vceo 700V Vcbo | Bipolar Transistors - BJT Dual NPN High Volt Low Vce(sat) | LED Mounting Hardware .2" DIA X .84" BLACK |
| Manufacturer | STMicroelectronics | STMicroelectronics | VCC |
| Product Category | Transistors (BJT) - Arrays | Transistors (BJT) - Arrays | Accessories |
| Series | 500V to 1000V Transistors | STD845DN40 | - |
| Packaging | Tube | Tube | Bulk |
| Unit Weight | 0.080001 oz | 0.080001 oz | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package Case | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | - |
| Mounting Type | Through Hole | Through Hole | - |
| Supplier Device Package | 8-DIP | 8-DIP | - |
| Configuration | Dual | Dual | - |
| Power Max | 3W | 3W | - |
| Transistor Type | 2 NPN (Dual) | 2 NPN (Dual) | - |
| Current Collector Ic Max | 4A | 4A | - |
| Voltage Collector Emitter Breakdown Max | 400V | 400V | - |
| DC Current Gain hFE Min Ic Vce | 8 @ 2A, 5V | 12 @ 2A, 5V | - |
| Vce Saturation Max Ib Ic | 1V @ 400mA, 2A | 500mV @ 1A, 4A | - |
| Current Collector Cutoff Max | 250μA | 250μA | - |
| Frequency Transition | - | - | - |
| Pd Power Dissipation | 3 W | 45 W | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Collector Emitter Voltage VCEO Max | 400 V | 400 V | - |
| Transistor Polarity | NPN | NPN | - |
| Collector Emitter Saturation Voltage | 1 V | 500 mV | - |
| Collector Base Voltage VCBO | 700 V | 700 V | - |
| Emitter Base Voltage VEBO | 9 V to 18 V | 9 V to 18 V | - |
| Maximum DC Collector Current | 8 A | 8 A | - |
| Continuous Collector Current | 4 A | 4 A | - |
| DC Collector Base Gain hfe Min | 8 | 10 | - |
| Minimum Operating Temperature | - | - 65 C | - |
| RoHS | - | - | Details |
| Brand | - | - | VCC |
| Product | - | - | LED Standoffs |
| Material | - | - | Thermoplastic |
| Part # Aliases | - | - | STD_840_BLK |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
STMicroelectronics |
STD840DN40 | Bipolar Transistors - BJT Dual NPN High Volt 400V Vceo 700V Vcbo | |
| STD845DN40 | Bipolar Transistors - BJT Dual NPN High Volt Low Vce(sat) | ||
| STD840BLK | LED Mounting Hardware .2" DIA X .84" BLACK |