TECHNICAL DATA SHEET
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 620-2600 / Fax: ( 978) 689-0803
Website: http: //www.microsemi.com
RADIATION HARDENED
NPN SILICON SWITCHING TRANSISTOR
Qualified per MIL-PRF-19500/366
T4-LDS-0056 Rev. 1 (080812) Page 2 of 3
ELECTRICAL CHARACTERISTICS (TA = +25°C, unless otherwise noted)
Parameters / Test Conditions Symbol Min. Max. Unit
OFF CHARACTERISTICS
Emitter-Base Cutoff Current
VEB = 4.0Vdc
VEB = 6.0Vdc
IEBO 25
10
ηAdc
μAdc
ON CHARACTERISTICS (3)
Forward-Current Transfer Ratio
IC = 0.1mAdc, VCE = 10Vdc 2N3498, 2N3500
2N3499, 2N3501
20
35
IC = 1.0mAdc, VCE = 10Vdc 2N3498, 2N3500
2N3499, 2N3501
25
50
IC = 10mAdc, VCE = 10Vdc 2N3498, 2N3500
2N3499, 2N3501
35
75
IC = 150mAdc, VCE = 10Vdc 2N3498, 2N3500
2N3499, 2N3501
40
100
120
300
IC = 300mAdc, VCE = 10Vdc 2N3500
2N3501
15
20
IC = 500mAdc, VCE = 10Vdc 2N3498
2N3499
hFE
15
20
Collector-Emitter Saturation Voltage
IC = 10mAdc, IB = 1.0mAdc
IC = 300mAdc, IB = 30mAdc
IC = 150mAdc, IB = 15mAdc
All Types
2N3498, 3N3499
2N3500, 2N3501
VCE(sat) 0.2
0.6
0.4
Vdc
Base-Emitter Saturation Voltage
IC = 10mAdc, IB = 1.0mAdc
IC = 300mAdc, IB = 30mAdc
IC = 150mAdc, IB = 15mAdc
All Types
2N3498, 3N3499
2N3500, 2N3501
VBE(sat) 0.8
1.4
1.2
Vdc
DYNAMIC CHARACTERISTICS
Parameters / Test Conditions Symbol Min. Max. Unit
Magnitude, Forward Current Transfer Ratio
IC = 20mAdc, VCE = 20Vdc, f = 100MHz |hfe| 1.5 8.0
Output Capacitance
VCB = 10Vdc, IE = 0, 100kHz ≤ f ≤ 1.0MHz 2N3498, 2N3499
2N3500, 2N3501
Cobo 10
8.0 pF
Input Capacitance
VEB = 0.5Vdc, IC = 0, 100kHz ≤ f ≤ 1.0MHz Cibo 80 pF