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SMPS Switch-Mode Stacked Capacitors


SMPS stacked ceramic capacitors for high power, high frequency, and 200°C applications by Johanson Dielectrics

SMPS Stacked Ceramic Capacitors for High Power, High Frequency, and 200°C Applications

SMPS Switch-Mode Stacked ceramic capacitors feature large capacitance values and exhibit low ESR (equivalent series resistance) and low ESL (equivalent series inductance) making them well suited for high power and high frequency applications where tantalum or aluminum electrolytic capacitors may not be suitable.

Johanson offers three series Stacked assemblies.

1. American Case Sizes (Formerly P-Series)

  • Compliant with DSCC 87106 and 88011 specifications
  • Ideal for U.S.-based and military-grade power systems
  • Configurable mechanical and pin-out designs

2. European Case Sizes (Formerly E-Series)

  • Designed to align with European design standards
  • Matches common footprints and pin-outs used in European OEMs

Versatile for global high-reliability applications

3. T-Series: For 200°C High-Temperature Environments

  • Engineered to withstand up to 200°C
  • Suitable for oil exploration, aviation, and harsh industrial environments
  • Ensures reliable operation in thermally challenging conditions


American Case Sizes (Formerly known as P-Series)

P-Series Mechanical Characteristics
Global Size Code
Legacy
NP0 Max Capacitance (μF)BX Max Capacitance (μF)X7R Max Capacitance (μF)
50V 100V 200V 500V 50V 100V 200V 500V 50V 100V 200V 500V
EM

PX5

0.07 0.05 0.04 0.02 1.3 0.70 0.37 0.17 3.0 2.2 1.0 .50
0.14 0.10 0.08 0.04 2.6 1.4 0.74 0.34 6.0 4.4 2.0 1.0
0.21 0.15 0.12 0.06 3.9 2.1 1.1 0.51 9 6.6 3.0 1.5
0.28 0.20 0.16 0.08 5.2 2.8 1.5 0.68 12 8.8 4.0 2.0
0.35 0.25 0.20 0.10 6.5 3.5 1.8 0.85 15 11 5.0 2.5
FP

PX4

0.22 0.15 0.12 0.07 4.0 2.0 1.1 0.50 9 6.5 3.0 1.5
0.44 0.30 0.24 0.14 8.0 4.0 2.2 1.0 18 13 6 3.0
0.66 0.45 0.36 0.21 12 6.0 3.3 1.5 27 19 9 4.5
0.88 0.60 0.48 0.28 16 8 4.4 2.0 36 26 12 6.0
1.1 0.75 0.60 0.35 20 10 5.5 2.5 45 32 15 7.5
NF

PX3

0.70 0.50 0.39 0.22 10 6.8 3.5 1.5 28 20 9.5 4.7
1.4 1.0 0.78 0.44 20 13 7.0 3.0 56 40 19 9.4
2.1 1.5 1.2 0.66 30 20 10 4.5 84 60 28 14
2.8 2.0 1.5 0.88 40 27 14 6.0 112 80 38 18
3.5 2.5 2.0 1.1 50 34 17 7.5 140 100 47 23
NH

PX1

1.4 1.0 0.75 0.44 20 13 7 3.5 50 40 19 9.4
2.8 2.0 1.5 0.88 40 27 14 6.0 100 80 38 18
4.2 3.0 2.2 1.3 60 40 21 9.0 150 120 57 27
5.6 4.0 3.0 1.8 80 54 28 12 200 160 76 36
7.0 5.0 3.7 2.2 100 68 35 15 250 200 95 46
NF

PX3

1.4 1.0 0.75 0.44 20 13 7 3.0 50 40 19 9.4
2.8 2.0 1.5 0.88 40 27 14 6.0 100 80 38 18
4.2 3.0 2.2 1.3 60 40 21 9.0 150 120 57 27
5.6 4.0 3.0 1.8 80 54 28 12 200 160 76 36
7.0 5.0 3.7 2.2 100 68 35 15 250 200 95 46
NM

PX2

2.0 1.4 1.0 0.6 30 19 10 5 75 55 25 14
4.0 2.8 2.0 1.2 60 38 20 9 150 110 50 28
6.0 4.2 3.0 1.8 90 57 30 13 220 160 75 42
8.0 5.6 4.0 2.4 120 76 40 18 300 220 100 56
10 7.0 5.0 3.0 150 95 50 22 370 270 125 70
MH

PX6

4.0 2.8 2.0 1.2 60 38 20 9 150 110 50 28
8.0 5.6 4.0 2.4 120 76 40 18 300 220 100 56
12 8.4 6.6 3.6 200 120 60 27 480 330 150 75
16 11 8.8 4.8 270 160 80 36 640 440 200 100
20 14 11 6 340 200 100 45 800 550 250 125

European Capacitance Values (Formerly known as E-Series)

E-Series Capacitance & Voltage Selection
Global Size Code
Legacy
NP0 Max Capacitance (μF) BX Max Capacitance (μF) X7R Max Capacitance (μF)
50V 100V 200V 500V 50V 100V 200V 500V 50V 100V 200V 500V
FB

E04

0.13 0.09 0.07 0.045 2.2 1.5 0.8 0.35 5.0 4.0 2.5 1.0
0.26 0.18 0.14 0.09 4.4 3.0 1.6 0.70 10 8.0 5.0 2.0
0.39 0.27 0.21 0.13 6.6 4.5 2.4 1.0 15 12 7.5 3.0
0.52 0.36 0.28 0.18 8.8 6.0 3.2 1.4 20 16 10 4.0
FP

E05

0.22 0.15 0.12 0.08 3.9 2.5 1.4 0.60 9.0 6.5 4.0 1.8
0.44 0.30 0.24 0.16 7.8 5.0 2.8 1.2 18 13 8.0 3.6
0.66 0.45 0.36 0.24 11 7.5 4.2 1.8 27 19 12 5.4
0.88 0.60 0.48 0.32 15 10 5.6 3.0 36 26 16 7.2
HH

E06

0.4 0.30 0.22 0.15 7.0 4.5 2.5 1.0 16 12 7.5 3.3
0.8 0.60 0.44 0.30 14 9.0 5.0 2.0 32 24 15 6.6
1.2 0.90 0.66 0.45 21 13 7.5 3.0 48 36 22 9.9
1.6 1.2 0.9 0.60 28 18 10 4.0 64 48 30 13
HV

E07

0.7 0.5 0.40 0.25 13 8.5 4.5 2.0 30 22 14 6.0
1.4 1.0 0.8 0.5 26 17 9.0 4.0 60 44 28 12
2.1 1.5 1.2 0.8 39 25 13 6.0 90 66 42 18
2.8 2.0 1.6 1.0 52 34 18 8.0 120 88 56 24
KH

E01

0.7 0.5 0.40 0.25 13 8.5 4.5 2.2 30 22 14 6.0
1.4 1.0 0.8 0.5 26 17 9.0 4.0 60 44 28 12
2.1 1.5 1.2 0.8 39 25 13 6.0 90 66 42 18
2.8 2.0 1.6 1.0 52 34 18 8.0 120 88 56 24
ND

E08

0.8 0.6 0.50 0.30 15 10 5.5 2.2 35 25 16 7.0
1.6 1.2 1.0 0.60 30 20 11 4.4 70 50 32 14
2.4 1.8 1.5 0.90 45 30 16 6.6 100 75 48 21
3.2 2.4 2.0 1.2 60 40 22 8.8 140 100 64 28
NK

E02

1.4 1.0 0.75 0.50 24 15 8.5 3.5 50 40 25 11
2.8 2.0 1.5 1.0 48 30 17 7.0 100 80 50 22
3.2 3.0 2.2 2.0 72 45 25 10 150 120 75 33
5.6 4.0 3.0 3.0 96 60 34 14 200 160 100 44
NM

E09

2.0 1.4 1.0 0.70 33 22 12 5.0 75 50 35 16
4.0 2.8 2.0 1.4 66 44 24 10 150 100 70 32
6.0 4.2 3.0 2.1 99 66 36 15 220 150 100 48
8.0 5.6 4.0 2.8 130 88 48 20 300 200 140 64

SMPS Switchmode Mechanical Specifications
P-Series Mechanical Characteristics
Case Size A B C D (min) D (max) E F Leads per side
EM

PX5

.120 .185 .250 0.224 0.275 .300 .080 3
.240 .305
.360 .425
.480 .545
.650 .715
FP

PX4

.120 .185 .400 0.350 0.425 .440 .180 4
.240 .305
.360 .425
.480 .545
.650 .715
NF

PX3

.120 .185 .450 0.950 1.075 .500 .180 10
.240 .305
.360 .425
.480 .545
.650 .715
NH

PX1

.120 .185 .450 1.950 2.075 .500 .180 20
.240 .305
.360 .425
.480 .545
.650 .715
MH

PX5

.120 .185 1.250 1.950 2.075 1.350 .980 20
.240 .305
.360 .425
.480 .545
.650 .715
E-Series Mechanical Characteristics
Size Code A (max.) C +/- 0.5mm (.20") D (max.) E (max.) Leads per side
mm in. mm in. mm in. mm in.
FB

E04

3.8 0.150 8.2 0.322 8.7 0.342 9.2 0.362 3
7.4 0.291
11.1 0.437
14.8 0.583
FP

E05

3.8 0.150 10.2 0.400 10.7 0.421 10.7 0.421 4
7.4 0.291
11.1 0.437
14.8 0.583
HH

E06

3.8 0.150 14.0 0.551 13.6 0.535 14.9 0.586 5
7.4 0.291
11.1 0.437
14.8 0.583
HV

E07

3.8 0.150 15.2 0.600 21.6 0.850 16.8 0.661 5
7.4 0.291
11.1 0.437
14.8 0.583
KH

E01

3.8 0.150 20.3* 0.800* 16.6 0.653 21.6 0.850 6
7.4 0.291
11.1 0.437
14.8 0.583
ND

E08

3.8 0.150 10.2 0.400 38.2 1.503 18.9 0.744 14
7.4 0.291
11.1 0.437
14.8 0.583
NK

E02

3.8 0.150 15.2 0.600 38.2 1.503 12.0 0.472 14
7.4 0.291
11.1 0.437
14.8 0.583
NM

E09

3.8 0.150 20.3* 0.800* 40.6 1.598 24.0 0.944 14
7.4 0.291
11.1 0.437
14.8 0.583

 NPO DielectricX7R Dielectric
Temperature Coefficient:0 ±30ppm/°C (-55 to +125°C)±15% (-55 to +125°C)
Dissipation Factor:0.1% max2.5% max
AgingNone-2.5% per decade hour
Insulation Resistance (Min. @ 25°C, WVDC)1000 ΩF or 100 GΩ, whichever is less500 ΩF or 50 GΩ, whichever is less
Dielectric Strength:For 500V Ratings: 750VDC, 25ºC, 50mA max
For 200V Ratings: 2xWVDC, 25ºC, 50mA max
For 25-100V Ratings: 2.5xWVDC, 25ºC, 50mA max
Test Conditions:1kHz ±50Hz;1.0±0.2 VRMS
switchmode-dielectric.gif

Features:

  • E-Series Common European Lead Styles
  • NPO & X7R Dielectrics, 50 to 500 VDC Ratings
  • Low ESR / Low ESL, Ideal for SMPS Filtering Applications
  • Custom Sizes, Voltages, and Values Available

Impedance vs Frequency:

The left-hand portion of the curves represents the capacitive reactance of two typical values. The impedance decreases until series resonance is reached. At this point (the bottom of the V), the only component of the impedance is the ESR. At higher frequencies (the inductive portion) the ESR remains relatively low so that effective filtering is maintained.

ESR vs Frequency:

These curves reflect the very low ESR of two typical values. These ESRs are much lower than Tantalums or Aluminum electrolytics of the same values. The result is the ability to provide filtering (low loss) and to handle high power requirements.

Ripple Current vs Frequency:

Here are two examples of the ability of Switch-Mode capacitors to handle high values of ripple current (high power) at various frequencies. Refer to the "AC Power Computations" applications note or contact Johanson Dielectrics Applications Engineering for more information.

Soldering Precautionary Specifications:

The large ceramic mass of Switch-Mode capacitors increases their susceptibility to damage from thermal shock during soldering. Parts should be pre-heated to within 50°C of the peak soldering temperature and the preheating cycle's thermal gradient should be limited to a maximum of 2°C per second.

How to Order

Valid options are shown except for Capacitance
A typical PN is M2EM201B474K3J1001W. This part number breaks down as follows:

M2EM201B474K3J1001W Capacitors SMPS P-Series - 2 chips, 2324, BX, 200V, 0.47µF±10%, "J" Leads, Waffle Pack


New Johanson Global Part Number Breakdown

* Not all combinations create valid part numbers, ask our Apps Engineering Team for assistance creating a valid part number Request for assistance


Click below to see the new Global Part Number Reference Chart for this product

The legacy info below is for reference only.

Johanson has instituted a new Global Part Numbering (GPN) system.

Only the part number is changing. The parts are produced with the exact same materials, manufacturing processes, manufacturing controls, dimensions, physical attributes and testing as the parts supplied with the legacy part numbers.

The GPNs will be phased in over the next several years and are planned to be completed by January 1, 2026.

We will continue to quote and accept orders with the current (legacy) part numbers throughout this period.

Beginning January 1, 2022, all samples will be provided with the GPN.

Updates associated with this change will occur periodically.

A database for the approximate 2 million crosses can be accessed at: https://www.johansontechnology.com/pn-search

Legacy Info SMPS Switchmode Capacitors