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參數資料
| 型號： | DC725E825MA5710 |
| 廠商： | AVX CORP |
| 元件分類： | 數據傳輸濾波器 |
| 英文描述： | 1 FUNCTIONS, 50 V, FEED THROUGH CAPACITOR |
| 文件頁數： | 1/8頁 |
| 文件大小： | 87K |
| 代理商： | DC725E825MA5710 |
100
Discoidal MLC
Feed-Through Capacitors and Filters
DC Style (US Preferred Sizes) / XB Style (European Preferred Sizes)
XF Style (Feed-Through Discoidal)
LOWEST CAPACITANCE IMPEDANCES TO GROUND
Temperature Coefficient
C0G: A Temperature Coefficient - 0 ±30 ppm/°C, -55° +125°C
X7R: C Temperature Coefficient - ±15%, -55° to +125°C
Z5U: E Temperature Coefficient - +22, -56%, +10° to +85°C
Capacitance Test (MIL-STD-202 Method 305)
C0G: 25°C, 1.0±0.2 Vrms at 1KHz, for
≤100 pF use 1 MHz
X7R: 25°C, 1.0±0.2 Vrms at 1KHz
Z5U: 25°C, 0.5 Vrms max at 1KHz
Dissipation Factor 25°C
C0G: 0.15% Max @ 25°C, 1.0±0.2 Vrms at 1KHz, for
≤100 pF use 1 MHz
X7R: 2.5% Max @ 25°C, 1.0±0.2 Vrms at 1KHz
Z5U: 3.0% Max @ 25°C, 0.5 Vrms max at 1KHz
Insulation Resistance 25°C (MIL-STD-202 Method 302)
C0G and X7R: 100K M
Ω or 1000 MΩ-F, whichever is less.
Z5U: 10K M
Ω or 1000 MΩ-F, whichever is less.
Insulation Resistance 125°C (MIL-STD-202 Method 302)
C0G and X7R:
10K M
Ω or 100 MΩ-F, whichever is less.
Z5U: 1K M
Ω or 100 MΩ-F, whichever is less.
Dielectric Withstanding Voltage 25°C (Flash Test)*
C0G and X7R: 250% rated voltage for 5 seconds with 50 mA max
charging current. 500V rated units will be tested at 750 VDC
Z5U: 200% rated voltage for 5 seconds with 50 mA max charging current.
Life Test (1000 hrs)
C0G and X7R: 200% rated voltage at +125°C (500 Volt units
@ 600 VDC)
Z5U: 150% rated voltage at +85°C
Moisture Resistance (MIL-STD-202 Method 106)
C0G, X7R, Z5U: Ten cycles with no voltage applied.
Thermal Shock (MIL-STD-202 Method 107, Condition A)
Immersion Cycling (MIL-STD-202 Method 104, Condition B)
DC61
5
A
561
K
A
5
1
06
AVX
Voltage Temperature
Capacitance Code
Capacitance
Test
Termination
Inside
Maximum
Style
50V = 5
Coefficient
(2 significant digits
Tolerance
Level
5 = Silver
Diameter
Thickness
See Pages 100V = 1
C0G = A
+ no. of zeros)
C0G: J = ±5%
A = Standard
(AVX Standard)
See Pages 06 = 1.52 (0.060)
101-102
200V = 2
X7R = C
Examples:
K = ±10%
102-104
10 = 2.54 (0.100)
500V = 7
Z5U = E
M = ±20%
X7R: K = ±10%
M = ±20%
Z5U: M = ±20%
Z = +80 -20%
P = GMV
For dimensions, voltages or values not specified, please consult factory.
A discoidal MLC capacitor has very low impedance associated with its ground path
since the signal is presented with a multi-directional path. These electrode paths,
which can be as many as 100, allow for low ESR and ESL which are the major ele-
ments in impedance at high frequencies.
The assembled discoidal element or feed-thru allows signal to be fed in through a
chassis or bulkhead, conditioned as it passes through the discoidal, and isolated by
the chassis and discoidal from the original signal. An example of this application
would be in an AFT circuit where the AC noise signal would be required to be
stripped from the DC control signal. Other applications include single line EMI/RFI
suppression, L-C filter construction, and coaxial shield bypass filtering.
The shape of the discoidal lends itself to filter construction. The short length allows
compact construction where L-C construction is desired.
The size freedom associated with this element allows almost any inside/
outside diameter combination. By allowing the inside diameter to equal
the center insulator diameter of a coaxial signal line and special termination tech-
niques, this device will allow bypass filtering of a floating shield to ground.
Discoidal capacitors are available in three temperature coefficients (C0G, X7R, Z5U)
and a variety of sizes, the most standard of which appear in this catalog.
INSERTION LOSS
0
100
200
300
400
500
600
700
800
900
1000
SINGLE CHIP
DISCOIDAL
0
-10
-20
-30
-40
-50
-60
-70
-80
f (MHz)
(dB)
HOW TO ORDER
OD*
ID
T Max.
These surfaces are metallized
.127 (0.005). minimum wide except
for DC61, DC26 and DC63
where metallized surfaces
are .127 (0.005) maximum.
*Tol. = .254 (0.010) or 3%, whichever is greater
+
-
ELECTRICAL SPECIFICATIONS
APPLICATION INFORMATION ON DISCOIDAL
10 pF = 100
100 pF = 101
1,000 pF = 102
22,000 pF = 223
220,000 pF = 224
1 F = 105
AVX’s DC Series 50V, 100V, 200V, C0G
and X7R parts are capable of meeting
the requirements of MIL-PRF-31033.
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