HIT 2SC4261 Datasheet

Application

UHF Local oscillator

Outline

CMPAK

2SC4261

Silicon NPN Epitaxial

3

1

2

1. Emitter

2. Base

3. Collector

2SC4261

Absolute Maximum Ratings (Ta = 25°C)

Item Symbol Ratings Unit

Collector to base voltage V
Collector to emitter voltage V
Emitter to base voltage V
Collector current I
Collector power dissipation P

CBO

CEO

EBO

C

C

Junction temperature Tj 150 °C
Storage temperature Tstg –55 to +150 °C

Electrical Characteristics (Ta = 25°C)

Item Symbol Min Typ Max Unit Test conditions

Collector to base breakdown

V

(BR)CBO

voltage
Collector cutoff current I

Emitter cutoff current I
Collector to emitter saturation

I

V

CBO

CEO

EBO

CE(sat)

voltage
DC current transfer ratio h

FE

Collector output capacitance Cob — 0.7 1.0 pF VCB = 10 V, IE = 0, f = 1MHz
Gain bandwidth product f
Oscillating output voltage V

T

OSC

Note: Marking is “QI–”.

25——V I

— — 0.3 µAVCB = 15 V, IE = 0
——10µAVCE = 15 V, RBE = ∞
— — 1.0 µAVEB = 3 V, IC = 0
— — 0.3 V IC = 20 mA, IB = 4 mA

50 — 180 VCE = 5 V, IC = 5 mA

1.8 2.4 — GHz VCE = 5 V, IC = 20 mA
— 200 — mV VCC = 5 V, IC = 5 mA,

25 V
15 V
3V
50 mA
100 mW

= 10 µA, IE = 0

C

f = 930 MHz

See characteristic curves of 2SC4196.

2