Traditional High Q (>10,000) Low ESR Capacitors
3838C/P (.380” x .380”)
3838C/P (.380” x .380”)
Product
Features
High Q, High RF Current/Voltage, High RF Power, Low ESR/ESL, Low Noise,
Ultra-Stable Performance.
Product Application
Typical Functional Applications: Bypass, Coupling, Tuning, Impedance Matching and D.C. Blocking.
Typical Circuit Applications: HF/RF Power Amplifiers, Transmitters, Antenna Tuning,
Plasma Chambers, and Medical.
3838C/P Capacitance Table
Cap.
Code
pF
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
1.9
2.0
2.1
2.2
2.4
2.7
3.0
0R5
0R6
0R7
0R8
0R9
1R0
1R1
1R2
1R3
1R4
1R5
1R6
1R7
1R8
1R9
2R0
2R1
2R2
1R9
2R0
2R1
2R2
2R4
2R7
3R0
B,
C,D
3600V
Code
362
or
7200V
Code
722
Tol.
Rated Cap.
Code
WVDC pF
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
3R3
3R6
3R9
4R3
4R7
5R1
5R6
6R2
6R8
7R5
8R2
9R1
100
110
120
130
150
160
180
200
220
240
270
300
330
NP0= C; P90=P
Tol.
Rated Cap.
Code
WVDC pF
36
39
43
47
B,
C,D
51
56
62
68
75
3600V
Code
362
or
7200V
Code
722
82
91
100
110
120
130
150
160
F,G,
J,K
180
200
220
240
270
300
330
360
360
390
430
470
510
560
620
680
750
820
910
101
111
121
131
151
161
181
201
221
241
271
301
331
361
F,G,
J,K
3600V
Code
362
or
5000V
Code
502
3600V
Code
362
or
7200V
Code
722
Tol.
Rated Cap.
Code
WVDC pF
390
430
470
510
560
620
680
750
820
910
1000
1100
1200
1500
1800
2200
2400
2700
3000
3300
3600V 3600
Code 3900
362 4300
4700
5100
391
431
471
511
561
621
681
751
821
911
102
112
122
152
182
222
242
272
302
332
362
392
432
472
512
500V
Code
501
F,G,
J,K
1000V
Code
102
2500V
Code
252
Tol.
Rated
WVDC
Remark: special capacitance, tolerance and WVDC are available, consult with PASSIVE PLUS.
www.passiveplus.com
(631) 425-0938
sales@passsiveplus.com
Traditional High Q (>10,000) Low ESR Capacitors
Part Numbering
3838C
101
J
W
362
X
T
3838C/P (.380” x .380”)
C=NP0;P=P90
Capacitor Code
101=10x10
1
=100; 1R0=1.0pF
Capacitance Tolerance: See below list
Capacitance Tolerance
Code
A
B
C
D
F
G
J
K
±10%
Packaging Type
T- Chip capacitor, Tape & Reel (7")
300 pcs/reel
C- Lead capacitor, Waffle Packaging
Laser Marking
Rated Voltage
Termination Type
Tol.
±0.05pF ±0.1pF ±0.25pF ±0.5pF ±1% ±2% ±5%
3838C/P Lead Type and Dimensions
Capacitor Dimensions
Series
Term.
Code
Type/
Outlines
Length
Lc
Width
Wc
unit:inch(millimeter)
Overlap and Lead
Dimensions
Thick
Thick-
Overlap Length Width
-ness
ness
B
L
L
W
L
Tc
T
L
.063
(1.60)
max
Plated
Material
Plated
Nickel
Overlap
Plated Sn,
and
RoHS
Compliant
Lead
3838C
3838P
W
Chip
.380+.015 .380
.170
to - .010
±.010
(4.32)
(9.65+0.38 (9.65±
max
Width Thickness
to -0.25) 0.25)
-
-
-
(W
C
)
(T
C
)
(T
L
)
Material
3838C
3838P
MS
Microstrip
3838C
3838P
.35
.008
.750
±
.01
±
.001
(19.05)
(8.89± (0.20±
min
0.25) 0.025)
AR
Axial Ribbon
3838C
3838P
RR
Radial Ribbon
.380
.380+.015
±.010
.177
to -.010
(9.65± (4.50)
(9.65+0.38
max
to -0.25) 0.25)
-
.118± .012±
.394
.001
.005
(10.00)
(3.0± (0.3±
Min
0.13)
0.05)
.787
(20.00)
Min
Dia.=.031±.004
0.80
±
0.10
.984
(25.00)
min
Silver-
plated
Copper
3838C
3838P
RW
Radial Wire
3838C
3838P
AW
Axial Wire
www.passiveplus.com
(631) 425-0938
sales@passsiveplus.com
Traditional High Q (>10,000) Low ESR Capacitors
3838C/P (.380” x .380”)
Performance
Item
Quality Factor (Q)
Specifications
greater than 10000 at 1MHz.
Test Voltage: 500V
Megohms min. @ +25℃ at rated WVDC.
4
Megohms min. @ +125℃ at rated WVDC.
10
10
5
See Rated Voltage Table.
250% of Voltage for 5seconds, Rated Voltage≦500VDC
150% of Voltage for 5seconds, 500VDC<RatedVoltage≦1250VDC
120% of Voltage for 5 seconds, Rated Voltage>1250VDC
-55℃ to +125℃
;C: 0±30ppm/℃; P: +90±20ppm/℃
±0.02%
or
±0.02pF,
whichever is greater.
None
See Termination Type Table.
Insulation Resistance (IR)
Rated Voltage
Dielectric Withstanding Voltage (DWV)
Operating Temperature Range
Temperature coefficient (TC)
Capacitance Drift
Piezoelectric Effects
Termination Type
Capacitors are designed and manufactured to meet the requirements of MIL-PRF-55681 and MIL-PRF-123.
Environmental Tests
Item
Specifications
DWV: the initial value
IR: Shall not be less than 30%
of the initial value
Capacitance change:
no more than 0.5% or 0.5 pF.
whichever is greater.
Method
MIL-STD-202, Method 107, Condition A.
At the maximum rated temperature(-55℃ and 125℃) stay 30min,The time of
removing shall not be more than 3 minutes. Perform the five cycles.
Thermal
shock
Moisture
resistance
DWV: the initial value
IR: the initial value
Capacitance change:
no more than 0.3% or 0.3pF.
whichever is greater.
IR: Shall not be less than 30%
of the initial value
Capacitance change:
no more than 2.0% or 0.5pF
whichever is greater.
MIL-STD-202, Method 106.
MIL-STD-202, Method 103, Condition A,
With 1.5 Volts D.C. applied while subjected to an environment of 85℃ with
85% relative humidity for 240 hours minimum.
Humidity
（steady
state）
Life
MIL-STD-202, Method 108,for2000hours,at125℃,
200% of Voltage for Capacitors, RatedVoltage≦500VDC;
120% of Voltage for Capacitors, 500VDC< Rated Voltage
≦
1250VDC;
100% of Voltage for Capacitors, RatedVoltage>1250VDC.
www.passiveplus.com
(631) 425-0938
sales@passsiveplus.com
Traditional High Q (>10,000) Low ESR Capacitors
3838C/P (.380” x .380”)
3838C/P Performance Curve
ESR vs Capacitance
Q vs Capacitance
Series Resonance vs Capacitance
Current Rating vs Capacitance
The current depends on voltage limited:
The current depends on power dissipation limited:
Note: If the thermal resistance of mounting surface is 12oC/W. then a
power dissipation of 5 W will result in the current limited we can
calculate the current limited
www.passiveplus.com
(631) 425-0938
sales@passsiveplus.com
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