#2A3-TII,PSVANE TUBES,TII-Series.

Product Details:

Place of Origin:	China
Brand Name:	PSVANE
Certification:	ROHS
Model Number:	2A3-TII

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Detailed Product Description

TII-Series: Positioning in exceeding totally, not only exceed all the same types of productions that always been imitating on the market, but also to exceed itself.

2A3-TII is a direct-heated cathode power double triode, it is used in classA1, AB1 amplifier.

Heater

Uf ………………………2.5 V

If…………………………2.5 A

Maximum Rating

Ua…………………………300 V

Pa…………………………15 W

with cathode bias……………………0.5 MΩ

with fixed bias………………………0.05 MΩ

Direct Interelectrode Capacitances

input………………………… 7.5 PF

output…………………………16.5 PF

grid to plate…………………………5.5 PF

Static parameter

Ua………………………… 300 V

-Ug………………………… 45 V

Ia………………………… 60 mA

Gm………………………… 5.25 mA/V

ri………………………… 0.8 kΩ

μ………………………… 4.2

Pout…………………………3.5 W

Recommended Operating Conditions(reference value)

class A1.single tube.fixed bias.

Ua………………… 250 V

-Ug……………………45 V

RL……………………2.5 kΩ

Ia(0)…………………60 mA

Gm……………………5.25 Ma/V

ri……………………0.8 Kω

μ……………………4.2

Pout……………………3.5 W

Dtot……………………5 %

Push-full.class AB1

fixed bias cathode bias

Ua……………300 　　300 V

-Ug……………62　　Rk=780Ω V

RL……………3 　　　　5 kΩ

üg(pk)………87　　　110 V

Ia(0)…………80　　　80 mA

Ia(max.sig)…140　　100 mA

Pout……………15 　　10 W

Dtot……………2.5　　5 %

#2A3-TII,PSVANE TUBES,TII-Series.

Contact Details

Zhongshan Means Fabrication Co.,Ltd

Contact Person: Mr. David

Tel: 86-0760-88502953

Fax: 86-0760-88502952

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