silicon npn transistor BLUE ROCKET 2SC945 suitable for audio amplification and switching applications
Key Attributes
Model Number:
2SC945
Product Custom Attributes
Emitter-Base Voltage(Vebo):
5V
Current - Collector Cutoff:
100nA
Pd - Power Dissipation:
250mW
Transition Frequency(fT):
450MHz
Type:
NPN
Number:
1 NPN
Current - Collector(Ic):
150mA
Collector - Emitter Voltage VCEO:
50V
Operating Temperature:
-
Mfr. Part #:
2SC945
Package:
TO-92
Product Description
Product Overview
The 2SC945 Rev.E is a Silicon NPN transistor housed in a TO-92 plastic package. It offers high voltage capability and excellent hFE linearity, making it suitable for audio amplification and low-speed switching applications. This transistor is designed for reliability and consistent performance in its intended applications.
Product Attributes
- Brand: FSB (implied by "fsbrec.com")
- Package Type: TO-92 Plastic Package
- Transistor Type: NPN Silicon
Technical Specifications
| Parameter | Symbol | Value / Rating | Unit | Notes |
|---|---|---|---|---|
| Absolute Maximum Ratings (Ta=25) | ||||
| Collector to Base Voltage | VCBO | 60 | V | |
| Collector to Emitter Voltage | VCEO | 50 | V | |
| Emitter to Base Voltage | VEBO | 5.0 | V | |
| Collector Current - Continuous | IC | 150 | mA | |
| Base Current Continuous | IB | 20 | mA | |
| Collector Power Dissipation | PC | 250 | mW | |
| Junction Temperature | Tj | 150 | ||
| Storage Temperature Range | Tstg | -55150 | ||
| Electrical Characteristics (Ta=25) | ||||
| Collector Cut-Off Current | ICBO | 0.1 | A | VCB=60V, IE=0 |
| Emitter Cut-Off Current | IEBO | 0.1 | A | VEB=5.0V, IC=0 |
| DC Current Gain | hFE(1) | 90 - 600 | VCE=6.0V, IC=1.0mA | |
| hFE(2) | 50 | VCE=6.0V, IC=0.1mA | ||
| Collector to Emitter Saturation Voltage | VCE(sat) | 0.15 - 0.3 | V | IC=100mA, IB=10mA |
| Base to Emitter Saturation Voltage | VBE(sat) | 0.86 - 1.0 | V | IC=100mA, IB=10mA |
| Base to Emitter Voltage | VBE | 0.62 - 0.65 | V | VCE=6.0V, IC=1.0mA |
| Transition Frequency | fT | 150 - 450 | MHz | VCE=6.0V, IC=10mA |
| Collector Output Capacitance | Cob | 3.0 - 4.0 | pF | VCB=6.0V, IE=0, f=1.0MHz |
| Noise Figure | NF | 0.8 - 15 | dB | VCE=6.0V, IC=0.1mA, Rg=2.0K, f=1.0KHz |
hFE Classifications
| Symbol | hFE Range |
|---|---|
| R | 90~180 |
| Q | 135~270 |
| P | 200~400 |
| K | 300~600 |
Pin Configuration
| Pin 1 | Pin 2 | Pin 3 |
|---|---|---|
| Base | Collector | Emitter |
Marking Instructions
- BR: Company Code
- C945: Product Type
- R: hFE Classification Code
- ****: Lot No. Code (changes with Lot No.)
Packaging Specifications
BULK Package
| Package Type | Units/Bag | Bags/Inner Box | Units/Inner Box | Inner Boxes/Outer Box | Units/Outer Box | Bag Dimension (mm) | Inner Box Dimension (mm) | Outer Box Dimension (mm) |
|---|---|---|---|---|---|---|---|---|
| TO-92 | 1,000 | 10 | 10,000 | 5 | 50,000 | 135190 | 237172102 | 560245195 |
| TO-92 | 1,000 | 10 | 10,000 | 10 | 100,000 | 135190 | 237172102 | 560245375 |
AMMO Package
| Package Type | Units/Tape | Tape/Inner Box | Rows/Inner Box | Inner Boxes/Outer Box | Units/Outer Box | Tape Dimension (mm) | Inner Box Dimension (mm) | Outer Box Dimension (mm) |
|---|---|---|---|---|---|---|---|---|
| TO-92 | 3,000 | 1 | 120 | 10 | 30,000 | 32823042 | Small Box: 480346235 | Large Box: 547407268 |
Soldering Information
Temperature Profile for Dip Soldering (Pb-Free)
- Preheating: 25~150, Time: 60~90 sec.
- Peak Temp.: 2555, Duration: 50.5 sec.
- Cooling Speed: 2~10/sec.
Resistance to Soldering Heat Test Conditions
- Temp: 2705
- Time: 101 sec.
2410121231_BLUE-ROCKET-2SC945_C328603.pdf
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