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  Datasheet File OCR Text:
 Composite Transistors
XN421L
Silicon NPN epitaxial planer transistor
Unit: mm
For switching/digital circuits
0.650.15 6
2.8 -0.3
+0.2 +0.25
1.5 -0.05
0.650.15 1
0.3 -0.05
0.95
2.9 -0.05
q
q
Two elements incorporated into one package. (Transistors with built-in resistor) Reduction of the mounting area and assembly cost by one half.
1.90.1
+0.2
5
2
0.95
4
3
s Basic Part Number of Element
q
1.1-0.1
0.40.2
s Absolute Maximum Ratings
Parameter Rating Collector to emitter voltage of element Collector current Total power dissipation Overall Junction temperature Storage temperature Collector to base voltage Symbol VCBO VCEO IC PT Tj Tstg
(Ta=25C)
Ratings 50 50 100 300 150 -55 to +150 Unit V V mA mW C C
1 : Collector (Tr1) 2 : Base (Tr2) 3 : Emitter (Tr2)
4 : Collector (Tr2) 5 : Base (Tr1) 6 : Emitter (Tr1) EIAJ : SC-74 Mini Type Package (6-pin)
Marking Symbol: DI Internal Connection
6 5 4 Tr1 1 2 3
Tr2
s Electrical Characteristics
Parameter Collector to base voltage Collector to emitter voltage Collector cutoff current Emitter cutoff current Forward current transfer ratio Collector to emitter saturation voltage Output voltage high level Output voltage low level Input resistance Resistance ratio Transition frequency
(Ta=25C)
Symbol VCBO VCEO ICBO ICEO IEBO hFE VCE(sat) VOH VOL R1 R1/R2 fT VCB = 10V, IE = -2mA, f = 200MHz Conditions IC = 10A, IE = 0 IC = 2mA, IB = 0 VCB = 50V, IE = 0 VCE = 50V, IB = 0 VEB = 6V, IC = 0 VCE = 10V, IC = 5mA IC = 10mA, IB = 0.3mA VCC = 5V, VB = 0.5V, RL = 1k VCC = 5V, VB = 2.5V, RL = 1k -30% 0.8 4.7 1.0 150 4.9 0.2 +30% 1.2 MHz 20 0.25 V V V k min 50 50 0.1 0.5 2.0 typ max Unit V V A A mA
0 to 0.05
UN121L x 2 elements
0.1 to 0.3
0.8
0.16-0.06
+0.2
+0.1
1.450.1
s Features
0.5 -0.05
+0.1
+0.1
1
Composite Transistors
PT -- Ta
500
XN421L
Total power dissipation PT (mW)
400
300
200
100
0 0 40 80 120 160
Ambient temperature Ta (C)
IC -- VCE
240
VCE(sat) -- IC
100
hFE -- IC
IC/IB=10
240 VCE=10V
Collector to emitter saturation voltage VCE(sat) (V)
Ta=25C 200
Forward current transfer ratio hFE
200
Collector current IC (mA)
10
160 IB=1.0mA 120 0.8mA 0.6mA 80 0.4mA
160
Ta=75C
1
120
25C
Ta=75C 25C 0.1 -25C
-25C 80
40 0.2mA 0 0 2 4 6 8 10 12
40
0.01 1 3 10 30 100 300 1000
0 1 3 10 30 100 300 1000
Collector to emitter voltage VCE (V)
Collector current IC (mA)
Collector current IC (mA)
Cob -- VCB
6
IO -- VIN
100
f=1MHz IE=0 Ta=25C
Collector output capacitance Cob (pF)
VO=0.2V Ta=25C
5
4
Input voltage VIN (V)
10
3
1
2
0.1
1
0 1 3 10 30 100
0.01 0.1
0.3
1
3
10
30
100
Collector to base voltage
VCB (V)
Output current IO (mA)
2


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