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Details, datasheet, quote on part number:1T379
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Datasheet text preview:
1T379
Silicon Variable Capacitance Diode for Electronic Tuning of BS and CS Tuners
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Description T h e 1T379 is a variable capacitance diode designed for the electronic tuning of BS and CS tuners, and it has a super miniature package. Features · Super miniature package · Small series resistance 1.50 Max. (f=470 MHz) · Large capacitance ratio 12.0 Typ. (C1/C25) · Small capacitance 0.60 pF Max. (VR=25 V) Structure Silicon epitaxial planar-type diode M-235
Absolute Maximum Ratings (Ta=25 °C) · Reverse voltage VR 30 V · Maximum reverse voltage VRM 35 V (RL10 k) · Operating temperature Topr 20 to +75 °C · Storage temperature Tstg 65 to +150 °C
Electrical Characteristics Item Reverse current Reverse voltage Diode capacitance Capacitance ratio Series resistance Capacitance deviation in a matching group Symbol IR VR C1 C25 C1/C25 rs C Conditions VR=25 V IR=1 µA VR=1 V, f=1 MHz VR=25 V, f=1 MHz f=1 MHz VR=5 V, f=470 MHz VR=1 to 25 V, f=1 MHz Min. 30 6.0 0.5 10.0 Typ. Max. 10 7.2 0.6 12.0 1.50 6
(Ta=25 °C) Unit nA V pF pF %
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
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E94205B82-TE
1T379
Thermal coefficient of diode capacitance (ppm/°C)
Diode capacitance vs. Reverse voltage 10.0 f=1MHz Ta=25°C
Thermal coefficient of diode capacitance 1000
C-Diode capacitance (pF)
1.0
100
50
1
10 VR-Reverse voltage (V)
100
0.1
1
10 VR-Reverse voltage
100
Diode capacitance vs. Ambient temperature 1.03 f=1MHz 0.90
Forward voltage vs. Ambient temperature
VF-Forward voltage (V)
VR=1V 1.02
IF=1mA 0.86 0.82 0.78 0.74 0.70 -20 0 20 40 60 80
Diode capacitance
VR=2V VR=7V VR=15V VR=25V
1.01
C (25°C)
1.00
C (Ta)
Ta-Ambient temperature (°C) 0.99
0.98 -20
0
20
40
60
80
Ta-Ambient temperature (°C)
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1T379
Reverse voltage vs. Ambient temperature 44
VR-Reverse voltage (V)
IR=10µA 42 40 38 36 34 -20
0
20
40
60
80
Ta-Ambient temperature (°C)
Reverse current vs. Ambient temperature 100 VR=28V 100
Reverse current vs. Reverse voltage
Ta=80°C
Ta=60°C 10 10
IR-Reverse current (pA)
IR-Reverse current (pA)
Ta=25°C
1.0
1.0
0.1 -20 0 20 40 60 80
0.1 1 10 VR-Reverse voltage (V) 100
Ta-Ambient temperature (°C)
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1T379
Package Outline
Unit : mm
M
+ 0.2 1.25 0.1 2
-235
0.9 ± 0.1 + 0.1 0.3 0.05 0.2
1.7 ± 0.1
1 + 0.1 0.3 0.05
2.5 ± 0.2
0 ± 0.05 + 0.1 0.11 0.06
0° to 10°
NOTE: Dimension "" does not include mold protrusion.
SONY CODE EIAJ CODE JEDEC CODE
M-235
PACKAGE WEIGHT
0.1g
Marking
CATHODE MARK
2
79 B
Notes 1) B:Lot No.(Year and Month of manufacture) Year;Last one digit Month;A,B,C(for Oct. to Dec.) 1 to 9(for Jan.to Sept.)
1
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