Aluminum electrolytic capacitors
Capacitors with screw terminals
Series/Type: B43750, B43770
Date: November 2012
© EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
Long-life grade capacitors
Applications
Traction
Power electronics
Professional power supplies
Features
Extremely high ripple current capability (up to 110 A)
High reliability
Long useful life
Wide temperature range
All-welded construction ensures reliable electrical contact
No base insulation for max. cooling
(insulated solution "heat sink mounting" upon request)
Version with low-inductance design available for
diameter 76.9 mm
Self-extinguishing electrolyte
RoHS-compatible
Construction
Charge-discharge proof, polar
Aluminum case, partially insulated
Poles with screw terminal connections
Mounting with ring clips, clamps or threaded stud
B43750 B43770
Capacitors with screw terminals B43750, B43770
Extremely high ripple current 105 °C
Page 2 of 16Please read Cautions and warnings and
Important notes at the end of this document.
1) Refer to chapter "General technical information, 5 Useful life" on how to interpret useful life.
Specifications and characteristics in brief
Rated voltage V
R
Surge voltage V
S
350 ... 450 V DC
1.1 V
R
Rated capacitance C
R
Capacitance tolerance
560 ... 5300 µF
±20% M
Dissipation factor tan δ
(20 °C, 120 Hz)
0.20
Leakage current I
leak
(20 °C, 5 min)
Self-inductance ESL d = 64.3 mm: approx. 14 nH
d 76.9 mm: approx. 18 nH
Capacitors with low-inductance design:
d 76.9 mm: approx. 13 nH
Useful life
1)
Requirements:
105 °C; V
R
; I
AC,R
> 8000 h C/C ≤ ±15% of initial value
85 °C; V
R
; I
AC,R
> 40000 h tan δ 1.75 times initial specified limit
40 °C; V
R
; 3 I
AC,R
> 250000 h I
leak
initial specified limit
Voltage endurance test Post test requirements:
105 °C, V
R
; I
AC,R
2000 h C/C ≤ ±10% of initial value
tan δ 1.3 times initial specified limit
I
leak
initial specified limit
Vibration resistance test To IEC 60068-2-6, test Fc:
Frequency range 10 ... 55 Hz, displacement amplitude 0.75 mm,
acceleration max. 10 g, duration 3 × 2 h.
Capacitor mounted by its body which is rigidly clamped to the work
surface.
Characteristics at low
temperature
Max. impedance ratio
Z
-25
°
C
/ Z
20
°
C
4
at 100 Hz Z
-40
°
C
/ Z
20
°
C
10
IEC climatic category To IEC 60068-1:
40/105/56 (40 °C/+105 °C/56 days damp heat test)
Sectional specification IEC 60384-4
B43750, B43770
Extremely high ripple current 105 °C
Page 3 of 16Please read Cautions and warnings and
Important notes at the end of this document.

B43750A5857M003

Mfr. #:
Manufacturer:
EPCOS / TDK
Description:
Aluminum Electrolytic Capacitors - Screw Terminal 450VDC 850uF 20% Ring clip/clamp mnt
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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