JANTX2N6990 vs JANTX2N3811U
| Part Number |
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| Category | Transistors - Bipolar (BJT) - Arrays | Transistors - Bipolar (BJT) - Arrays |
| Manufacturer | Microchip Technology | Microsemi Corporation |
| Description | TRANS 4NPN 50V 0.8A | TRANS 2PNP 60V 0.05A |
| Package | Tape & Reel (TR) | Cut Tape (CT) |
| Series | Military, MIL-PRF-19500/559 | Military, MIL-PRF-19500/336 |
| Operating Temperature | -65°C ~ 200°C (TJ) | -65°C ~ 200°C (TJ) |
| Mounting Type | Surface Mount | Through Hole |
| Package / Case | 14-Flatpack | TO-78-6 Metal Can |
| Supplier Device Package | 14-Flatpack | TO-78-6 |
| Power - Max | 400mW | 350mW |
| Transistor Type | 4 NPN (Quad) | 2 PNP (Dual) |
| Current - Collector (Ic) (Max) | 800mA | 50mA |
| Voltage - Collector Emitter Breakdown (Max) | 50V | 60V |
| Vce Saturation (Max) @ Ib, Ic | 1V @ 50mA, 500mA | 250mV @ 100µA, 1mA |
| Current - Collector Cutoff (Max) | 10µA (ICBO) | 10µA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 150mA, 10V | 300 @ 1mA, 5V |
| Frequency - Transition | - | - |
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1. What are BJT arrays used for?
BJT arrays are often used in analog circuits like amplifiers, switches, and oscillators where matched transistor pairs are required for balanced performance.
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2. What packages are BJT arrays available in?
Common packages include surface-mount types like SC-88, SOT-363, or TSSOP, which are compact and suitable for space-constrained designs.
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3. How do BJT arrays compare to MOSFET arrays?
BJT arrays are preferred for applications requiring high current gain and faster switching, while MOSFETs are better for low-power and high-efficiency applications.
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4. What are key specifications to consider when selecting a BJT array?
Important parameters include collector current (Ic), voltage rating (Vce), hFE (current gain), and thermal resistance for reliability in operation.
