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MU2647 Schematic ( PDF Datasheet ) - Digitron Semiconductors

Teilenummer MU2647
Beschreibung SILICON UNIJUNCTION TRANSISTOR
Hersteller Digitron Semiconductors
Logo Digitron Semiconductors Logo 




Gesamt 2 Seiten
MU2647 Datasheet, Funktion
MU2646, MU2647
High-reliability discrete products
and engineering services since 1977
SILICON UNIJUNCTION TRANSISTOR
FEATURES:
Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number
Available Non-RoHS (standard) or RoHS compliant (add PBF suffix)
MAXIMUM RATINGS
Rating
Symbol
Value
Power dissipation(1)
PD 300
RMS emitter current
IE(RMS)
50
Peak pulse emitter current (2)
IE 2
Emitter reverse voltage
VB2E 30
Interbase voltage
VB2B1
35
Operating junction temperature range TJ -65 to 125
Storage temperature range
Tstg -65 to 150
Note 1: Derate 3mW/°C increase in ambient temperature. The total power dissipation must be limited by the external circuitry.
Note 2: Capacitor discharge – 10µF or less, 30 volts or less.
Unit
mW
mA
Amps
Volts
Volts
°C
°C
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
Parameter
Symbol
Min Typ Max Unit
Intrinsic standoff ratio
(VB2B1 = 10V) (1)
MU2646
MU2647
Interbase resistance
(VB2B1 = 3V, IE = 0)
Interbase resistance temperature coefficient
(VB2B1 = 3V, IE = 0, TA = -55° to 125°C)
Emitter saturation voltage
(VB2B1 = 10V, IE = 50mA)(2)
Modulated interbase current
(VB2B1 = 10V, IE = 50mA)
Emitter reverse current
(VB2E = 30V, IB1 = 0)
MU2646
MU2647
η
rBB
αrBB
VEB1(sat)
IB2(mod)
IEB2O
0.56 - 0.75 -
0.68 - 0.82
4.7 7 9.1 kohms
0.1 - 0.9 %/°C
- 3.5 - Volts
- 15 - mA
-
0.005
12
µA
-
0.005
0.2
Peak point emitter current
(VB2B1 = 25V)
MU2646
MU2647
IP
- 1 5 µA
- 12
Valley point current
(VB2B1 = 20V, RB2 = 100ohms)(2)
MU2646
MU2647
IV
4 6 - mA
8 10 18
Base-one peak pulse voltage(3)
MU2646
MU2647
VOB1
35
67
Note 1: Intrinsic standoff ratio: η = (VP-VF)/VB2B1, where VP = peak point emitter voltage , VB2B1 = interbase voltage, VF = emitter to base one junction diode drop
(≈ 0.45V @ 10µA).
Note 2: PW ≈ 300µs, duty cycle ≤ 2% to avoid internal heating due to interbase modulation which may result in erroneous readings
Note 3: Base one peak pulse voltage is used to ensure minimum pulse amplitude for applications in SCR firing circuits and other types of pulse circuits.
- Volts
-
Rev. 20121009





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