500L41N210XG4R [JOHANSON]
CAPACITOR, VARIABLE;
| 型号： | 500L41N210XG4R |
| 厂家： | 
JOHANSON TECHNOLOGY INC. |
| 描述： | CAPACITOR, VARIABLE 电容器 |
| 文件： | 总4页 (文件大小：554K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
LASERTRIM® SMT TUNER
CAPACITORS
Key
FeaTuReS
• RoHS Compliant Parts Available
• Automates Functional Tuning
• High Resolution, High Accuracy Tuning Capability
• Highly Stable and Reliable After Adjustment
• Small, Standard SMD Chip Sizes
• Lower Placement Cost vs Mechanical
appliCaTionS
• Portable Cellular Products • Wireless LAN
• Cable Modems
• RFID
• Wireless Transceivers
• Custom Applications
LASERtrim® tuning capacitors are laser adjustable monolithic ceramic surface mount devices for precise
functional tuning of RF circuits. LASERtrims® have the high reliability expected of conventional multi-layer chip
capacitors and do not experience capacitance drift, flux entrapment and other reliability concerns associated
with mechanical trimmers. Excellent post-trim Q and ESR performance are exhibited at frequencies of
100 - 2000 MHz. Offered in chip sizes 0603 to 1210 with nickel barrier terminations and tape and reel packaging,
LASERtrims® are compatible with high volume SMT auto-placement and reflow techniques. These high quality,
drift-free devices are ideally suited for functional tuning applications in oscillator, filter, and antenna circuits in a
variety of wireless RF products.
MODEL
SELECTION
CAPACITANCE
Tuning Range
QUALITY FACTOR
RoHS P/N
EIACase Size
Initial
200 MHz
900 MHz
500L14N6R0XG4
500L14N100XG4
500L14N120XG4
500L15M6R0XG4
500L15N100XG4
500L15N200XG4
500L18S2R0XG4
500L18M3R0XG4
500L18M4R0XG4
500L18M6R5XG4
500L18N100XG4
500L41S2R5XG4
500L41S3R2XG4
500L41M7R0XG4
101L41M7R0XG4
500L41M120XG4
500L41N210XG4
0603
0603
0603
0805
0805
0805
1206
1206
1206
1206
1206
1210
1210
1210
1210
1210
1210
6.0 pF
10.0 pF
12.0 pF
6.0 pF
10.0 pF
20.0 pF
2.0 pF
3.0 pF
4.0 pF
6.5 pF
10.0 pF
2.5 pF
3.2 pF
7.0 pF
7.0 pF
12.0 pF
21.0 pF
6.0 - 1.00 pF
10.0 - 2.00 pF
12.0 - 2.00 pF
6.0 - 1.00 pF
10.0 - 1.20 pF
20.0 - 1.50 pF
2.0 - 0.50 pF
3.0 - 1.0 pF
> 40
---
---
> 125
> 125
> 300
> 75
---
> 35
---
> 50
---
> 600
> 500
> 500
> 300
> 125
> 600
> 450
> 400
> 400
> 200
> 75
> 100
---
4.0 - 1.00 pF
6.5 - 1.20 pF
10.0 - 2.00 pF
2.5 - 0.50 pF
3.2 - 0.50 pF
7.0 - 1.50 pF
7.0 - 1.50 pF
12.0 - 2.00 pF
21.0 - 3.00 pF
---
> 40
---
> 125
> 125
---
---
> 25
---
Initial capacitance has a tolerance of + 25% - 0%. Trim ranges are approximate and vary with laser settings and trim pattern.
Custom LASERtrims® with features and performance tailored for specific applications are available.
46
Tuning
DeSCRipTion
LASERtrim® tuning capacitors are used to provide
functional RF circuitry tuning. The tuning is normally
performed at a laser station integrated into the
automated assembly line at a point beyond any
operations that may significantly alter the circuit’s RF
characteristics. Tuning is performed by a computer
controlled YAG laser beam which removes or “trims”
the top electrode material of the LASERtrim® thereby
decreasing it’s capacitance. Circuit parameters such
as frequency or voltage are monitored during tuning
and fed back to the laser controller achieving extremely
precise results. Typical capacitance change in relation
to the amount of electrode removal is shown in the
graphs below.
STIMULUS
POWER SUPPLY &
SIGNAL GENERATOR
VISION SYSTEM
CONTROLLER
CIRCUIT
(VCO, BAND PASS FILTER
LASER BEAM
MEASUREMENT
(SPECTRUM ANALYZER,
FREQUENCY COUNTER,
LASER STATION
Sectional Diagram: Sizes L14 & L15
Sectional Diagram: Sizes L18 & L41
End Terminations
Surface Electrode
End Terminations
Surface Electrode
U.S. PATENT 5264983
Electrode
Gold Plating
Nickel
Ceramic
Electrode
Gold Plating
Nickel
Ceramic
Typical Series Resonant Frequency
Trimming Effect on Capacitance
0%
10
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
L15N100
L18C2R0
L18L6R5
L41N210
L41 CAP
50%
L18 CAP
1
0%
10%
20%
30%
40%
60%
70%
80%
90% 100%
0
5
10
15
20
25
Electrode Area Removed
Frequency (MHz)
47
LASERTRIM®
TypiCal RF CHaRaCTeRiSTiCS
TYPICAL QUALITY FACTOR: L15N100
TYPICAL ESR: L15N100
10
1000
0% Trim, 12.36pF
25% Trim, 8.09pF
50% Trim, 5.76pF
100% Trim, 2.19pF
0% Trim, 12.36pF
25% Trim, 8.09pF
50% Trim, 5.76pF
100% Trim, 2.19pF
1
100
Q
0.1
10
10
0
0
0
500
500
500
1000
Frequency (MHz)
1500
2000
2000
2000
0
0
0
500
1000
Frequency (MHz)
1500
2000
2000
2000
TYPICAL QUALITY FACTOR: L18C2R0
TYPICAL ESR: L18C2R0
10000
1000
100
0% Trim, 2.10pF
25% Trim, 1.55pF
50% Trim, 1.27pF
0% Trim, 2.10pF
25% Trim, 1.55pF
50% Trim, 1.27pF
100% Trim, 0.48pF
100% Trim, 0.48pF
1
Q
0.1
10
10
1000
Frequency (MHz)
1500
500
1000
Frequency (MHz)
1500
TYPICAL QUALITY FACTOR: L18L6R5
TYPICAL ESR: L18L6R5
1000
100
0% (7.2 pF)
50% (4.1 pF)
100% (1.2 pF)
0% (7.2 pF)
50% (4.1 pF)
100% (1.2 pF)
25% (5.6 pF)
25% (5.6 pF)
1
Q
10
1
0.1
1000
1500
500
1000
1500
Frequency (MHz)
Frequency (MHz)
For L41 size electrical characteristics and graphs, please contact the factory.
48
MECHANICAL
CHARACTERISTICS
L14 (EIA 0603)
L15 (EIA 0805)
L18 (EIA 1206)
L41 (EIA 1210)
SIZE
(mm)
(mm)
(mm)
(mm)
Inches
Inches
Inches
Inches
.058 .008
.032 .008
.025 MAX
.004 MIN
.005 MAX
.012 MAX
(1.47 .20)
(0.81 .20)
(0.64 MAX)
(0.10 MIN)
(0.13 MAX)
(0.30 MAX)
.080 .008
.050 .008
.025 .005
.004 MIN
.005 MIN
(2.00 .20)
(1.27 .20)
(0.64 .13)
(0.10 MIN )
(0.13 MIN )
.122 .008
.060 .008
.025 .005
.004 MIN
.005 MIN
(3.09 .20)
(1.52 .20)
(0.64 .13)
(0.10 MIN )
(0.13 MIN )
.130 .008
.100 .008
.025 .005
.004 MIN
.005 MIN
(3.30 .20)
(2.54 .20)
(0.64 .13)
(0.10 MIN )
(0.13 MIN )
L
W
T
x & y
E/B
E/B*
N/A (L14 Only)
N/A (L14 Only)
N/A (L14 Only)
Top View
Side View
Bottom View
W
T
y
x
E/B
L
E/B*
ELECTRICAL
CHARACTERISTICS
1.0%
0.5%
0.0%
-0.5%
-1.0%
WORKING VOLTAGE:
50 Volts DC
0 30ppm ꢀ/C, -55 to 125/C
TEMPERATURE COEFFICIENT:
DISSIPATION FACTOR:
INSULATION RESISTANCE:
.001 (0.1%) max, 25/C
> 10 GΩ @ 25/C,WVDC;
125/C IR is 10% of 25/C rating.
2.5 X WVDC, 25/C, 50 mA max
DIELECTRIC STRENGTH:
TEST PARAMETERS:
ENVIRONMENTAL:
1MHz 50kHz, 1.0 0.2 VRMS, 25/C
Meets the mechanical & environmental
characteristics as given for the JTI S-
Series capacitors (see second page of
S-Series specification sheet), except
terminal adhesion for all sizes is > 2.0 lbs.
-55
-30
-5
20
45
70
95
120
Temperature (°C)
HOW TO
ORDER
500
L41
N
210
X
G
4
T
CASE SIZE
VOLTAGE
PRE-TRIM CAPACITANCE
TOLERANCE
TERMINATION
TAPE MODIFIER
Standard Voltage:
500 = 50 V
See Chart
1st two digits are significant; third
digit denotes number of zeros, R =
Tape
Code
T
R
Tape
Type
Paper
Paper
Reel
Size
7”
G = Gold flashed
Nickel Barrier
Initial
capacitance
tolerance is
+25% -0%
decimal point
.
DIELECTRIC
13”
2R0 = 2.0 pF
210 = 21 pF
MARKING
L = NPO
Tape specs. per EIA RS481.
Part marking not
available this series
C = HI-Q NPO
N, M = RoHS
NPO
S = RoHS Hi-Q
NPO
49
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