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2N2218 Datasheet(PDF) 3 Page - Microsemi Corporation

Part No. 2N2218
Description  NPN-SWITCHING SILICON TRANSISTOR
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Maker  MICROSEMI [Microsemi Corporation]
Homepage  http://www.microsemi.com
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 3 page
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TECHNICAL DATA SHEET
6 Lake Street, Lawrence, MA 01841
Gort Road Business Park, Ennis, Co. Clare, Ireland
1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803
Tel: +353 (0) 65 6840044 Fax: +353 (0) 65 6822298
Website: http://www.microsemi.com
T4-LDS-0091 Rev. 2 (101484)
Page 3 of 4
DYNAMIC CHARACTERISTICS
Parameters / Test Conditions
Symbol
Min.
Max.
Unit
Magnitude of Small-Signal Forward Current Transfer Ratio
|hfe|
IC = 20mAdc, VCE = 20Vdc, f = 100MHz
2.5
12
Small-Signal Forward Current Transfer Ratio
hfe
IC = 1.0mAdc, VCE = 10Vdc, f = 1.0kHz
2N2218
2N2219
2N2218A, AL
2N2219A, AL
25
50
35
75
Output Capacitance
VCB = 10Vdc, IE = 0, 100 kHz ≤ f ≤ 1.0MHz
Cobo
8.0
pF
Input Capacitance
VEB = 0.5Vdc, IC = 0, 100 kHz ≤ f ≤ 1.0MHz
Cibo
25
pF
SWITCHING CHARACTERISTICS
Parameters / Test Conditions
Symbol
Min.
Max.
Unit
VCC = 30Vdc; IC = 150mAdc; IB1 = 15mAdc
Turn-On Time
(See Figure 3 of MIL-PRF-19500/251)
2N2218, 2N2219
2N2218A, 2N2219A / AL
ton
40
35
ηs
Turn-Off Time
(See Figure 4 of MIL-PRF-19500/251)
2N2218, 2N2219
2N2218A, 2N2219A / AL
toff
250
300
ηs
(3) Pulse Test: Pulse Width = 300
μs, Duty Cycle ≤ 2.0%.




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