Silicon epitaxial planer transistor digital circuits Feature
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UN2121/2122/2123/2124/212X/212Y
Silicon epitaxial planer transistor
digital circuits
Features
0.65±0.15
-0.3
+0.2
Unit:
0.65±0.15
-0.05
+0.25
-0.05
1.9±0.2
0.95
Costs reduced through downsizing equipment reduction number parts. Mini type package, allowing downsizing equipment automatic insertion through tape packing magazine packing.
0.95
+0.2
1.45
Resistance Part Number
-0.1
+0.2
UN2121 UN2122 UN2123 UN2124 UN212X UN212Y
Marking Symbol (R1) 2.2k 4.7k 2.2k 0.27k 3.1k
(R2) 2.2k 4.7k 4.6k
0.4±0.2
1:Base 2:Emitter 3:Collector
EIAJ:SC-59 Mini Type Package
Absolute Maximum Ratings
Parameter Collector base voltage Collector emitter voltage Collector current Total power dissipation Junction temperature Storage temperature Symbol VCBO VCEO Tstg
(Ta=25°C)
Ratings -500 +150 Unit
Internal Connection
0.16 -0.06
+0.1
-0.05
+0.1
UN2121/2122/2123/2124/212X/212Y
Electrical Characteristics
Parameter Collector cutoff current UN212X Collector cutoff current UN212X Emitter cutoff current UN2121 UN2122/212X/212Y UN2123/2124
(Ta=25°C)
Symbol ICBO ICBO ICEO ICEO IEBO VCBO Conditions -50V, -50V, -50V, -50V, -6V, -10µA, -10V, -100mA VCE(sat) VCE(sat) VCE(sat) -100mA, -5mA -10mA, 0.3mA -50mA, -5mA -5V, 0.5V, -5V, -3.5V, -10V, 50mA, 200MHz (-30%) 0.27 R1/R2 0.22 0.054 0.67 (+30%) -4.9 0.25 0.25 0.15 Unit
Collector base voltage Forward current transfer ratio UN2121 UN2122/212Y UN2123/2124 UN212X
Collector emitter saturation voltage UN212X UN212Y Output voltage high level Output voltage level Transition frequency UN2121 Input resistance UN2122 UN2123 UN212X UN212Y Resistance ratio UN2124 UN212X UN212Y
Common characteristics chart
Total power dissipation (mW)
Ambient temperature (°C)
Characteristics charts UN2121
-240 -100
UN2121/2122/2123/2124/212X/212Y
VCE(sat)
Collector emitter saturation voltage VCE(sat)
Ta=25°C IC/IB=10
VCE= -10V
-200
Ta=75°C -0.3 25°C -0.1 -0.03 -0.01
Forward current transfer ratio
Collector current (mA)
Ta=75°C
-160
IB=-1.0mA -0.9mA -0.8mA -0.7mA -0.6mA -0.5mA -0.4mA -0.3mA
-120
25°C
-0.2mA -0.1mA
-25°C
-25°C -100 -300 -1000 -100 -300 -1000
Collector emitter voltage
Collector current (mA)
Collector current (mA)
f=1MHz IE=0 Ta=25°C
VO=-5V Ta=25°C
-100 -0.2V Ta=25°C
-10000 -3000
Collector output capacitance (pF)
Output current (µA)
Input voltage
-1000 -300 -100
-0.3 -0.1 -0.03 -0.01 -0.1 -0.3
-0.1 -0.3
-100
-0.4
-0.6
-0.8
-1.0
-1.2
-1.4
-100
Collector base voltage
Input voltage
Output current (mA)
Characteristics charts UN2122
-300
VCE(sat)
-100
IC/IB=10
VCE= -10V Ta=75°C
Collector emitter saturation voltage VCE(sat)
Ta=25°C -250
-0.3 25°C -0.1 -0.03 -0.01 -25°C
Forward current transfer ratio
Collector current (mA)
IB=-1.0mA -200 -0.9mA -0.8mA -150 -0.7mA -0.6mA -0.5mA -100 -0.4mA -0.3mA -0.2mA -0.1mA
25°C
Ta=75°C
-25°C
-100 -300 -1000
-100 -300 -1000
Collector emitter voltage
Collector current (mA)
Collector current (mA)
UN2121/2122/2123/2124/212X/212Y
VO=-5V Ta=25°C -100 -0.2V Ta=25°C
Collector output capacitance (pF)
f=1MHz IE=0 Ta=25°C
-10000 -3000
Output current (µA)
-300 -100
Input voltage
-0.6 -0.8 -1.0 -1.2 -1.4
-1000
-0.3 -0.1 -0.03 -0.01 -0.1 -0.3
-0.1 -0.3
-100
-0.4
-100
Collector base voltage
Input voltage
Output current (mA)
Characteristics charts UN2123
-240
VCE(sat)
Collector emitter saturation voltage VCE(sat)
Ta=25°C -100 Ta=75°C -0.3 25°C -0.1 -0.03 -25°C -0.01 -100 -300 -1000 IC/IB=10 VCE= -10V
Ta=75°C 25°C
-200
-160
IB=-1.0mA -0.9mA -0.8mA -0.7mA -0.6mA -0.5mA
Forward current transfer ratio
Collector current (mA)
-120
-25°C
-0.4mA -0.3mA
-0.2mA -0.1mA
-100 -300 -1000
Collector emitter voltage
Collector current (mA)
Collector current (mA)
-10000
f=1MHz IE=0 Ta=25°C
VO=-5V Ta=25°C
-100 VO=-0.2V Ta=25°C
Collector output capacitance (pF)
-3000
Output current (µA)
-300 -100
Input voltage
-0.6 -0.8 -1.0 -1.2 -1.4
-1000
-0.3 -0.1 -0.03 -0.01 -0.1 -0.3
-0.1 -0.3
-100
-0.4
-100
Collector base voltage
Input voltage
Output current (mA)
Characteristics charts UN2124
-300
UN2121/2122/2123/2124/212X/212Y
VCE(sat)
-100
IC/IB=10
VCE= -10V
Collector emitter saturation voltage VCE(sat)
Ta=25°C -250
Ta=75°C -0.3 -0.1 -0.03 -0.01 -25°C 25°C
Forward current transfer ratio
Ta=75°C 25°C -25°C
Collector current (mA)
IB=-1.0mA -200 -0.9mA -0.8mA -0.7mA -0.6mA -0.5mA -100 -0.4mA -0.3mA -0.2mA -0.1mA
-150
-100 -300 -1000
-100 -300 -1000
Collector emitter voltage
Collector current (mA)
Collector current (mA)
-10000 f=1MHz IE=0 Ta=25°C -3000
VO=-5V Ta=25°C -100
-0.2V Ta=25°C
Collector output capacitance (pF)
Output current (µA)
Input voltage
-0.6 -0.8 -1.0 -1.2 -1.4
-1000 -300 -100
-0.3 -0.1 -0.03 -0.01 -0.1 -0.3
-0.1 -0.3
-100
-0.4
-100
Collector base voltage
Input voltage
Output current (mA)
Characteristics charts UN212X
-240
VCE(sat)
-100
IC/IB=10
VCE= -10V
Collector emitter saturation voltage VCE(sat)
Ta=25°C -200
-0.3 25°C -0.1 -0.03 -0.01
Forward current transfer ratio
Collector current (mA)
IB=-1.6mA -160 -1.4mA -1.2mA -120 -1.0mA -0.8mA -0.6mA -0.4mA -0.2mA
Ta=75°C 25°C -25°C
Ta=75°C -25°C
-100 -300 -1000
-100 -300 -1000
Collector emitter voltage
Collector current (mA)
Collector current (mA)
UN2121/2122/2123/2124/212X/212Y
Collector output capacitance (pF)
f=1MHz IE=0 Ta=25°C
-100
VO=-0.2V Ta=25°C
Input voltage
-0.3 -0.1 -0.03
-100
-0.01 -0.1 -0.3
-100
Collector base voltage
Output current (mA)
Characteristics charts UN212Y
-240
VCE(sat)
-100
IC/IB=10
VCE= -10V
Collector emitter saturation voltage VCE(sat)
Ta=25°C -200
Forward current transfer ratio
-0.3 -0.1 -0.03 -0.01 Ta=75°C 25°C -25°C
Collector current (mA)
IB=-1.2mA -160 -1.0mA -0.8mA -0.6mA -0.4mA -0.2mA
Ta=75°C 25°C -25°C
-120
-100 -300 -1000
-100 -300 -1000
Collector emitter voltage
Collector current (mA)
Collector current (mA)
-100
f=1MHz IE=0 Ta=25°C
VO=-0.2V Ta=25°C
Collector output capacitance (pF)
Input voltage
-0.3 -0.1 -0.03
-100
-0.01 -0.1 -0.3
-100
Collector base voltage
Output current (mA)
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