Product Description:
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Part number 2n4427
BRAND Motorola, Inc [Motorola]
Packaging can
Date code 10+
Price 0.55~0.98usd
Summary NPN overlay transistor, TO-39, 40 V, 0.4 A, 200 K/W, 3.5 W
Description as follow:
The 2N4427 is a NPN overlay transistor in TO-39 metal packages with the collector connected to the case. It is primarily intended for class-A, B or C amplifiers, frequency multiplier and oscillator circuits. The applications of the 2N4427 include output, driver or pre-driver stages in VHF and UHF equipment.
Parametrics
2N4427 absolute maximum ratings: (1)collector-base voltage open emitter: 40 V; (2)collector-emitter voltage: 40 V at RBE = 10 W; (3)collector-emitter voltage open base: 20 V; (4)emitter-base voltage open collector: 2.0 V; (5)collector current (DC): 0.4 A; (6)average collector current measured over any 20 ms; (7)period: 0.4 A; (8)collector current peak value: 0.4 A; (9)total power dissipation: 3.5 W at up to Tmb = 25 ℃; (10)storage temperature: -65 to +200 ℃; (11)junction temperature: 200 ℃.
Features
2N4427 characteristics: (1)thermal resistance from junction to ambient in free air: 200 K/W; (2)Rth j-mb thermal resistance from junction to mounting base: 50 K/W; (3)Rth mb-h thermal resistance from mounting base to heatsink: 2.5 K/W.
Diagrams
Company Contact:
Contact Name: John
Company Name: Excellent Integrated System Limited (eis Limited)
Email:
Tel: 00852-30777742
Fax: 00852-30777843
Street Address: Rm 906, Workingberg
Comm Bldg, 41-47 Marble Rd, Hong Kong
Member name: EISLIMITED
Country:
Hong Kong
Member Since: 29 August 2012
Total Leads:
537 EISLIMITED Import Export Business Leads
Business focus: Electronic Components, Active Component, Integrated Circuit, Semiconductor, Chips
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