Miniature aluminum electrolytic capacitor SAMWHA SD1H478M18040BB100 featuring safety vent and performance

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Product Description

Product Overview

The SD series miniature aluminum electrolytic capacitors are designed for general purposes, offering a wide voltage range from 6.3V to 500V and high capacitance options. These capacitors comply with the RoHS directive and are suitable for various applications requiring reliable performance. The series features standard construction with a safety vent for enhanced safety.

Product Attributes

Series: SD
Compliance: RoHS directive
Construction: Insulating sleeve, Tinned copper-ply wire, Safety vent (6.3V up)

Technical Specifications

Item	Characteristics	Value
Operating temperature range	6.3 ~ 450V	-40 ~ +85 C
Operating temperature range	500V	-25 ~ +85 C
Capacitance tolerance		±20% at 120Hz, 20 C
Leakage current max.	WV ≤ 100V	I = 0.01CV or 3 μA whichever is greater (after 2 min)
	WV > 100V	I = 0.02CV + 15 μA (after 5 min)
	WV > 100V (for Capacitance > 1000 μF)	I = 0.03CV or 4 μA whichever is greater (after 1 min)
Dissipation factor max. (at 120Hz, 20 C)	WV 6.3V	0.28
Dissipation factor max. (at 120Hz, 20 C)	WV 10V	0.24
Dissipation factor max. (at 120Hz, 20 C)	WV 16V	0.20
Dissipation factor max. (at 120Hz, 20 C)	WV 25V	0.16
Dissipation factor max. (at 120Hz, 20 C)	WV 35V	0.14
Dissipation factor max. (at 120Hz, 20 C)	WV 50V	0.12
Dissipation factor max. (at 120Hz, 20 C)	WV 63V	0.10
Dissipation factor max. (at 120Hz, 20 C)	WV 100V	0.08
Dissipation factor max. (at 120Hz, 20 C)	WV 160 ~ 250V	0.15
Dissipation factor max. (at 120Hz, 20 C)	WV 350 ~ 500V	0.20
Dissipation factor max. (at 120Hz, 20 C)	Capacitance > 1000 μF	tan increases by 0.02 for each 1000 μF from below value.
Low temperature characteristics (Impedance ratio at 120Hz)	Z-25 C/Z+20 C	See table below
Low temperature characteristics (Impedance ratio at 120Hz)	Z-40 C/Z+20 C	See table below
Load life (after application of the rated voltage for 2000 hours at 85 C)	Capacitance change	Within ±20% of initial value
	Leakage current	Less than specified value
Load life (after application of the rated voltage for 2000 hours at 85 C)	Dissipation factor	Less than 200% of specified value
	Solvent Proof	15 min.
Shelf life (at 85 C)	(after 1000 hours no load test, leakage current, capacitance and tan are same as load life value. The measurement shall be performed at 20 C by the KS C IEC 60384 - 4)	See table below
Dimensions & Maximum Permissible Ripple Current	SD series WV	See table below

WV	Z-25 C/Z+20 C	Z-40 C/Z+20 C	D (mm)	L (mm)	Ripple current (mA rms) at 85 C, 120Hz
6.3	5	12	5	11	21
10	4	10	6.3	11	26
16	3	8	6.3	11	32
25	2	5	8	11	39
35	2	4	8	11.5	46
50	2	3	10	11.5	56
63	2	3	10	12.5	68
100	2	3	12.5	16	83
160	4	6	16	16	101
200	4	6	16	16	123
250	4	6	18	16	169
350	10	5	11	18	203
400	10	5	11	18	291
450	12	5	11	22	414
500	12	5	11.5	25	501