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Part: 1T399
Category:
Description: Variable Capacitance Diode
Company: Sony Electronics
Datasheet: Download 1T399 datasheet File size : 110 kB
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1T399
Variable Capacitance Diode For the availability of this product, please contact the sales office.
Description T h e 1T399 is a variable capacitance diode d e s i g n e d for the electronic tuning of wide-band CATV tuners, and it has a super miniature package. Features · Super miniature package · Small series resistance 0.75 Max. (f=470 MHz) · Large capacitance ratio 11.7 Typ. (C2/C25) 18.0 Typ. (C1/C28) · Small leak current 10 nA Max. (VR=28 V) · Capacitance deviation in a matching group: within 2 % Applications Electronic tuning of wide-band CATV tuners Structure Silicon epitaxial planar-type diode M-235
Absolute Maximum Ratings (Ta=25 °C) · Reverse voltage VR 34 · Operating temperature Topr 20 to +75 · Storage temperature Tstg 65 to +150
V °C °C
Electrical Characteristics Item Reverse current Diode capacitance Capacitance ratio Series resistance Capacitance deviation in a matching group Symbol IR C2 C25 C2/C25 C25/C28 rs C Conditions VR=28 V VR=2 V, f=1 MHz VR=25 V, f=1 MHz Min. 29.50 2.53 11.0 1.03 Typ. Max. 10 35.50 2.93
(Ta=25 °C) Unit nA pF pF
11.7 0.75 2 %
CD=14 pF, f=470 MHz VR=2 to 25 V, f=1 MHz
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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E97454A82-TE
1T399
Example of Representative Characteristics
Diode capacitance vs. Reverse voltage 100 Ta = 25°C 50
Reverse current vs. Ambient temperature VR = 28V
C Diode capacitance (pF)
20 10 5
100
2 1 1 2 5 10 20 50 VR Reverse voltage (V)
IR Reverse current (pA)
10
1 20
0
20
40
60
80
Ta Ambient temperature [°C]
Forward voltage vs. Ambient temperature 0.80 IF = 1mA 50
Reverse voltage vs. Ambient temperature IR = 10µA
VR Reverse voltage (V)
0 20 40 60 80
VF Forward voltage (V)
0.70
45
0.60
40
0.50 20
35 20
0
20
40
60
80
Ta Ambient temperature (°C)
Ta Ambient temperature (°C)
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1T399
Diode capacitance vs. Ambient temperature 1.03 VR = 1V VR = 2V
C (Ta)/C (25°C) Diode capacitance
1.02
1.01
VR = 7V VR = 15V VR = 25V
1.00
0.99
0.98 20
0
20
40
60
80
Ta Ambient temperature (°C)
Reverse current vs. Reverse voltage 100 Ta = 80°C Ta = 60°C 1000
Temperature coefficient of diode capacitance
Temperature coefficient (ppm/°C)
500
Ta = 25°C
IR Reverse current (pA)
10
200
100
50 1 1 2 5 10 20 50 VR Reverse voltage (V)
0.1 1 3 10 30 VR Reverse voltage (V)
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1T399
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
99 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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Others parts begin by 1t
1T-1
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