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Transistors

1

Publication date: April 2007

SJC00363AED

This product complies with the RoHS Directive (EU 2002/95/EC).

2SC3937G

Silicon NPN epitaxial planar type

For UHF band low-noise amplification

Features

Low noise figure NF

High forward transfer gain 

S

21e

2

High transition frequency f

T

S-Mini type package, allowing downsizing of the equipment
and automatic insertion through the tape packing and the maga-
zine packing

Absolute Maximum Ratings  

T

a

 

=

 25

°

C

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Collector-base cutoff current (Emitter open)

I

CBO

V

CB

 

=

 15 V, I

E

 

=

 

0

1

µ

A

Emitter-base cutoff current (Collector open)

I

EBO

V

EB

 

=

 1 V, I

C

 

=

 

0

1

µ

A

Forward current transfer ratio

h

FE1

V

CE

 

=

 8 V, I

C

 

=

 20 mA

50

300

h

FE2

V

CE

 

=

 1 V, I

C

 

=

 3 mA

80

280

Transition frequency

f

T

V

CE

 

=

 8 V, I

C

 

=

 20 mA, f 

=

 0.8 GHz

6

GHz

Collector output capacitance

C

ob

V

CB

 

=

 10 V, I

E

 

=

 0, f 

=

 1 MHz

0.7

1.2

pF

(Common base, input open circuited)

Forward transfer gain

S

21e

2

V

CE

 

=

 8 V, I

C

 

=

 20 mA, f 

=

 0.8 GHz

13

dB

Maximum unilateral power gain

G

UM

V

CE

 

=

 8 V, I

C

 

=

 20 mA, f 

=

 0.8 GHz

14

dB

Noise figure

NF

V

CE

 

=

 8 V, I

C

 

=

 7 mA, f 

=

 0.8 GHz

1.0

1.7

dB

Electrical Characteristics  

T

a

 

=

 25

°

±

 3

°

C

Note) Measuring methods are based on JAPANESE INDUSTRIAL STANDARD JIS C 7030 measuring methods for transistors.

Parameter

Symbol

Rating

Unit

Collector-base voltage (Emitter open)

V

CBO

15

V

Collector-emitter voltage (Base open)

V

CEO

10

V

Emitter-base voltage (Collector open)

V

EBO

2

V

Collector current

I

C

80

mA

Collector power dissipation

P

C

150

mW

Junction temperature

T

j

150

°

C

Storage temperature

T

stg

55 to 

+

150

°

C

Package

Code
SMini3-F2

Marking Symbol: 2W

Pin Name

1. Base
2. Emitter
3. Collector

Summary of Contents for Transistors 2SC3937G

Page 1: ...hFE2 VCE 1 V IC 3 mA 80 280 Transition frequency fT VCE 8 V IC 20 mA f 0 8 GHz 6 GHz Collector output capacitance Cob VCB 10 V IE 0 f 1 MHz 0 7 1 2 pF Common base input open circuited Forward transfer gain S21e 2 VCE 8 V IC 20 mA f 0 8 GHz 13 dB Maximum unilateral power gain GUM VCE 8 V IC 20 mA f 0 8 GHz 14 dB Noise figure NF VCE 8 V IC 7 mA f 0 8 GHz 1 0 1 7 dB Electrical Characteristics Ta 25 C...

Page 2: ...100 0 01 0 1 1 10 100 IC IB 10 Ta 75 C 25 C 25 C Collector emitter saturation voltage V CE sat V Collector current IC mA 0 1 1 10 100 0 600 500 400 300 200 100 VCE 8 V Ta 75 C 25 C 25 C Forward current transfer ratio h FE Collector current IC mA 0 1 1 10 100 0 12 10 8 6 4 2 VCE 8 V f 800 MHz Ta 25 C Transition frequency f T GHz Collector current IC mA 0 1 1 10 100 0 2 4 2 0 1 6 1 2 0 8 0 4 IE 0 f ...

Page 3: ... product complies with the RoHS Directive EU 2002 95 EC SMini3 F2 Unit mm 0 30 0 05 0 02 0 13 0 05 0 02 2 00 0 20 0 89 0 90 0 10 0 65 0 65 1 30 0 10 1 25 0 10 2 10 0 10 0 425 0 050 0 49 0 to 0 10 5 5 3 1 2 ...

Page 4: ...ard applications intended 4 The products and product specifications described in this book are subject to change without notice for modification and or im provement At the final stage of your design purchasing or use of the products therefore ask for the most up to date Product Standards in advance to make sure that the latest specifications satisfy your requirements 5 When designing your equipmen...

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