• mhbs / mhbm

mhbs / mhbm

MHBM455575*RST

Extended and upgraded
MKP
box with muliple radial or lug terminals
high energy density
DC-Link
suitable for high Irms switching applications (*)
MHBM only: also suitable for AC applications (*) (*) upon restrictions


  • Capacitance tolerance code. See "Description"
  • terminal lenght. Please refer to type specification and terminal drawings
  • lug terminals style. Please refer to type specification and terminal drawings
Dimensions
B (mm)38
H (mm)57.5
L (mm)57.5
D (mm) -
d (mm)1.2
P (mm)52.5
P1 (mm)10.2
Main applications
MHBS: DC-Link, medium-high freq. switching capacitor for industrial and motor speed controls, SMPS, solar inverters, power converters and UPS; not for new AC design, refer to MHBM (or MHBA, THZ)
MHBM: DC-Link, medium-high freq. switching capacitor for industrial and motor speed controls, SMPS, solar inverters, power converters and UPS, also suitable for AC/ output AC filtering (not for across the line) applications
Main characteristic
High voltage and high capacitance in small size with long life expectancy, high current and high frequency operation capability
Dielectric
Polypropylene
Electrodes
Vacuum deposited metal layers
Coating
Solvent resistant plastic case with resin sealing (UL 94 V-0). Flame retardant execution
Construction
MHBS: extended metallized film (refer to General Technical Information). Note: with the present specification, ratings have been updated without any modification of the design, material and construction
MHBM: extended metallized film with segmented pattern (refer to General Technical Information). New execution that guarantees a higher safety level
Terminals
6x terminals
Degree of protection
IP00
Installation
Whatever position assuring correct heat dissipation. Arrangement of many components with box walls in contact not admitted; suggested minimum distance between side by side elements ≥ 1/8 of the box thickness (B size). Box with lugs terminals must be free to correctly dissipate from all the body faces
Reference standard
IEC 61071, IEC 60068, RoHS compliant
Climatic category
40/85/56 (IEC 60068/1), GPD (DIN40040)
Please refer also to paragraph C10 (humid ambient) of the General Technical Information
Operating temperature range (case)
-40°...+85°C (+100°C observing voltage and current de-rating)
Max. permissible ambient temperature (operation at rated power, rated current and natural cooling)
+70°C (+85°C observing voltage and current de-rating); at Tamb > +95°C superimposed Irms not admitted (Irms= 0 at Tamb> +95°C)
Nominal Capacitance (Cn) µF
57.5 µF
Capacitance tolerance (at 1kHz)
±10% (code=K), ±5% (code=J). Other tolerances upon request
Capacitance temperature coefficient
Refer to General Technical Information
Long term stability (at 1kHz)
Capacitance variation ≤ ±1% after a period of 2 years at standard environmental conditions
Rated voltage (Ur) (Vdc) at T = +85°C, case (continuous operation)
800 Ur (Vdc)
Temperature de-rated voltage and current
For operating temperature (case)> +85°C, Ur, Urms, Upkr and Upk must be decreased 1.5% for every °C exceeding +85°C. For current de-rating please also refer to the ∆T/Tamb data in function of the applied Irms listed in the article table
Permissible AC voltage (Urms) (Vac) at T = +85°C, case (continuous operation)
300 Urms (Vac)
Max. admissible voltage at T = +70°C, case (continuous operation)
800 Ur (Vdc)
Max. applicable peak to peak ripple voltage (Upp)
MHBS: 0,2 x Ur (respecting current ratings)
Max. repetitive peak voltage (Upkr), total max 1 hour/day
920 Upkr (Vdc)
Non recurrent surge voltage (Upk)
1040 Upk (Vdc)
Self inductance
≤ 1nH/mm of fixing pitch
Maximum pulse rise time V/µs
16.5 V/µs
Maximum peak current (Ipeak)
948.5 A
RMS current (Irms)
23 A (ΔT=+15°C)
Dissipation factor (DF), max.
22 x 10-4 @1kHz
Typical Equivalent Series Resistance (ESR) at the reference frequency
3.5 mΩ
Insulation resistance (RINS)
≥ 3000s (10000s typical) but need not exceed 3 GΩ, between terminals, at ±25°C, after 1 minute of electrification at 100 Vdc
Test voltage between terminals (Ut)
MHBS and MHBM: 1,5xUr (DC); MHBM only: 1,5xUrms (AC), applied for 10s, at 25 ±5°C
Test voltage between terminals and case (Utc)
3kV 50÷60Hz applied for 60s at 25 ±5°C
Damp heat test (steady state)
List of admitted high humidity and temperature tests (please refer to paragraph C10 of the GTI);
Biased tests applicable from 03/2019 production codes only
Test ID Reference Permissible
a Damp heat test (steady state) not biased - IEC60068 YES
b Damp heat test (steady state) biased - AEC Q-200 cockpit YES
c Robustness under high humidity, Grade II - IEC 60384-17:2019 YES (MHBS ONLY)
d High robustness under high humidity, Grade III - IEC 60384-17:2019 NO
e Damp heat test (steady state) biased - 70/70/1000 NO
f Humidity load test, Test Cy, Severity II - IEC 60068-2-67 NO
g Humidity load test, Test Cy, Severity III - IEC 60068-2-67 and 85/85/1000 Level 1 - AEC Q-200 NO
Rated Ur (DC ONLY) applied for biased tests
Performance:
Capacitance change ≤ ±3% (for test "a")
Capacitance change ≤ ±10% (for test "b" and "c")
DF change ≤ 2 x initial limit at 1kHz (for test "a", "b" and "c")
RINS ≥ 50% of initial limit value
Box distorsion ≤ 1/16 of the nominal box thickness (B size) or ≤ 1,5mm whichever is the highest
Life expectancy
MHBS: ≥ 200000 hours at Ur with T(case) ≤ +70°C: expected life max. absolute limit reference. ≥ 100000 hours at Ur with T(case) = + 85°C: reference for expected life calculations at different operating conditions (and expected life at max. admissible voltage at +70°C, case). ≥ 30000 hours at de-rated Ur (Ur x 0.8) at T(case) = +100°C without superimposed ripple current applied.
MHBM: ≥ 60000 hours at Urms or ≥ 200000 hours at Ur with T(case) ≤ +70°C: expected life max. absolute limit reference. ≥ 30000 hours at Urms or ≥ 100000 hours at Ur with T(case) = + 85°C: reference for expected life calculations at different operating conditions. ≥ 10000 hours at de-rated Urms (Urms x 0.8) or ≥ 30000 hours at de-rated Ur (Ur x 0.8) at T(case) = +100°C without superimposed ripple current applied.
For humidity effects potentially affecting the expected life, please refer to GTI chapter.
Failure quota
MHBS and MHBM: upon DC applications, 300/109 component hours (standard failure quota reference)
MHBM: upon AC applications, 1.5 x standard failure quota reference
Typical capacitance change versus operating time (at Tcase=+70°C)
MHBS: ±5% after 100000 hours at Ur
MHBM: ±10% after 30000 hours at Urms or after 100000 hours at Ur
Resistance to soldering heat test
Test conditions:
Solder bath temperature= +260 ±5°C
Dipping time (with heat screen)= 10 ±1s
Performance:
Capacitance change ≤ ±1%
DF change ≤ 0.0010 at 1kHz
RINS ≥ 50% of initial limit value
Warning
This page do not represent the official specification. For reference aims, please refer to the full series specification
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