The KV1770S is a 5 volt range variable capacitance diode
designed for FM tuner applications. It contains two
elements housed in the miniature SOT23-3 surface mount
package.
CLASSIFICATION
RANK
C
MIN
C
1
MAX
1
65.80
69.25
2
68.27
71.72
(Unit: pF)
KV1770S
3
70.74
74.20
3
Note: Rank is determined after testing and marked on the
reel. All the diodes on a reel have the same rank, but rank
can not be specified when ordering.
C7
20P
1
2
ORDERING INFORMATION
KV1770S
Tape/Reel Code
TAPE/REEL CODE
TL: Tape Left
November 2000 TOKO, Inc.
Page 1
KV1770S
ABSOLUTE MAXIMUM RATINGS
Reverse Voltage ...................................................... 18 V
Forward Current ................................................... 50 mA
Power Dissipation .............................................. 100 mW
Storage Temperature Range ................... -55 to +150 °C
Operating Temperature Range .................. -55 to +85 °C
Lead Soldering Temperature (10 s) ..................... 235 °C
ELECTRICAL CHARACTERISTICS
Test conditions: T
A
= 25 °C
SYMBOL
V
REV
I
REV
PARAMETER
Reverse Voltage
Reverse Current
Diode Capacitance 1
Diode Capacitance 4.5
Series Resistance
Capacitance Ratio
TEST CONDITIONS
I
REV
= 10 µA
V
REV
= 10.0 V
V
REV
= 1.0 V, f = 1 MHz
V
REV
= 4.5 V, f = 1 MHz
V
REV
= 1.5 V, f = 100 MHz
C
1
/ C
5
MIN
16
TYP
MAX
UNITS
V
50
65.80
12.00
70.00
13.40
0.43
5.0
74.20
14.80
0.5
nA
pF
pF
Ω
2
C
1
C
4.5
R
S
A
Note 1: Diode Capacitance measured with HP 4279A or equivalent instruments (at OSC level 20 mVrms, ± 5 mVrms).
Note 2: Series Resistance measured with HP 4291B or equivalent instruments.
Note 3: The tolerance of two adjacent parts on a reel is within 6% at C1, C3 and C4.5.
Note 4: The value of capacitance is the average of 2 back to back type diodes.
Page 2
November 2000 TOKO, Inc.
KV1770S
TYPICAL PERFORMANCE CHARACTERISTICS
C(TA°C)/C(25°C) vs.
REVERSE VOLTAGE
1.06
1.05
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
0.95
0.94
0.93
0
TA = +85°C
+55°C
+25°C
f = 1MHz
REVERSE VOLTAGE vs.
CAPACITANCE
100
TA = +25°C
f = 1MHz
CAPACITANCE (pF)
C(TA°C) / C(25°C)
-15°C
-55°C
10
0
1
2
3
VREV (V)
4
5
1
2
3
VREV (V)
4
5
REVERSE CURRENT vs.
REVERSE VOLTAGE
1
Q vs. REVERSE VOLTAGE
1000
TA = +25°C
0.1
TA = +85°C
f = 50MHz
70MHz
IREV (nA)
Q
0.01
+55°C
+25°C
100
100MHz
0.001
0.0001
0
2
4
6
8 10
VREV (V)
12 14 16
10
0
1
2
3
VREV (V)
4
5
1
SERIES RESISTANCE vs.
FREQUENCY
VREV = 1.5v
TA = +25°C
TEMPERATURE-COEFFICIENT
(ppm / °C)
1000
REVERSE VOLTAGE vs.
TEMPERATURE-COEFFICIENT
Rs (Ω)
0.5
TA = +55°C~+85°C
f = 1MHz
300
0.3
0.1
10
100
FREQUENCY (MHz)
1000
100
0
1
2
3
VREV (V)
4
5
November 2000 TOKO, Inc.
Page 3
KV1770S
PACKAGE OUTLINE
Marking Information
Product Code
C7
SOT23-3
Mark
0.4
- 0.05
e
e
+0.10
Recommended Mounting Pad
2.9
1.6
1.3 max
± 0.1
1.1
0~ 0.1
+0.10
- 0.05
2.4
0.4
2.8
Dimensions are shown in millimeters
Tolerance: x.x = ± 0.2 mm (unless otherwise specified)
Toko America, Inc. Headquarters
1250 Feehanville Drive, Mount Prospect, Illinois 60056
Tel: (847) 297-0070 Fax: (847) 699-7864
TOKO AMERICA REGIONAL OFFICES
Midwest Regional Office
Toko America, Inc.
1250 Feehanville Drive
Mount Prospect, IL 60056
Tel: (847) 297-0070
Fax: (847) 699-7864
Western Regional Office
Toko America, Inc.
2480 North First Street , Suite 260
San Jose, CA 95131
Tel: (408) 432-8281
Fax: (408) 943-9790
Semiconductor Technical Support
Toko Design Center
4755 Forge Road
Colorado Springs, CO 80907
Tel: (719) 528-2200
Fax: (719) 528-2375
Visit our Internet site at http://www.tokoam.com
The information furnished by TOKO, Inc. is believed to be accurate and reliable. However, TOKO reserves the right to make changes or improvements in the design, specification or manufacture of its
products without further notice. TOKO does not assume any liability arising from the application or use of any product or circuit described herein, nor for any infringements of patents or other rights of
third parties which may result from the use of its products. No license is granted by implication or otherwise under any patent or patent rights of TOKO, Inc.
