General purpose NPN transistor CBI C945 with low noise and excellent hFE linearity in SOT23 package
Key Attributes
Model Number:
C945
Product Custom Attributes
Emitter-Base Voltage(Vebo):
5V
Current - Collector Cutoff:
100nA
Pd - Power Dissipation:
200mW
Transition Frequency(fT):
150MHz
Type:
NPN
Number:
1 NPN
Current - Collector(Ic):
150mA
Collector - Emitter Voltage VCEO:
50V
Operating Temperature:
-
Mfr. Part #:
C945
Package:
SOT-23
Product Description
Product Overview
The C945 is an NPN transistor designed for general-purpose applications. It features excellent hFE linearity and low noise characteristics, making it suitable for various electronic circuits. This transistor is complementary to the A733 and is supplied in a SOT-23 package.
Product Attributes
- Marking: CR
- Package: SOT-23 (Plastic surface mounted package; 3 leads)
Technical Specifications
| Parameter | Symbol | Test Conditions | MIN | TYP | MAX | Units |
|---|---|---|---|---|---|---|
| MAXIMUM RATINGS (TA=25 unless otherwise noted) | ||||||
| Collector-Base Voltage | VCBO | 60 | V | |||
| Collector-Emitter Voltage | VCEO | 50 | V | |||
| Emitter-Base Voltage | VEBO | 5 | V | |||
| Collector Current -Continuous | IC | 150 | mA | |||
| Collector Power Dissipation | PC | 200 | mW | |||
| Junction Temperature | TJ | 150 | ||||
| Storage Temperature | Tstg | -55 | 150 | |||
| ELECTRICAL CHARACTERISTICS (Tamb=25 unless otherwise specified) | ||||||
| Collector-base breakdown voltage | V(BR)CBO | IC=100uA, IE=0 | 60 | V | ||
| Collector-emitter breakdown voltage | V(BR)CEO | IC=1mA , IB=0 | 50 | V | ||
| Emitter-base breakdown voltage | V(BR)EBO | IE=0.1mA, IC=0 | 5 | V | ||
| Collector cut-off current | ICBO | VCB=60V, IE=0 | 0.1 | A | ||
| Collector cut-off current | ICER | VCE=55V, R=10M | 0.1 | A | ||
| Emitter cut-off current | IEBO | VEB=5V, IC=0 | 0.1 | A | ||
| DC current gain | hFE(1) | VCE=6V, IC=1mA | 200 | 400 | ||
| DC current gain | hFE(2) | VCE=6V, IC=0.1mA | 40 | |||
| Collector-emitter saturation voltage | VCE(sat) | IC=100mA, IB=10mA | 0.3 | V | ||
| Base-emitter saturation voltage | VBE(sat) | IC=100mA, IB=10mA | 1 | V | ||
| Transition frequency | fT | VCE=6V,IC=10mA,f =30 MHz | 150 | MHz | ||
| Collector output capacitance | Cob | VCB=10V, IE=0, f=1MHZ | 3.0 | pF | ||
| Noise figure | NF | VCE=6V, IC=0.1mA Rg=10k, f=1kMHZ | 4 | 10 | dB | |
2410121242_CBI-C945_C2828451.pdf
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