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High Voltage DC Pulse Capacitors STH series

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Applications

High Voltage and High Current application
Can be used for repetition frequency 1Hz to 10Hz
High Voltage Switch Absorption
Filter applications
Pulse Discharge Circuit and Vibration
Can be used in High-End Medical equipments
Can be used in Semiconductor Industry
Can be used in large electromechanical
equipment protection facilities

Features

Polypropylene film dielectric
Low inductance
Excellent Frequency Response
RMS Current Rating
High peak Pulse Current Ratings (dv/dt)
Higher Temperature range
DC Blocking / Ultra-Low Leakage version on request

When compare with traditional Paper Dielectric, Oil Impregnated and Metal Enclosure Capacitor：

Plastic enclosure：safer when compare with oil impregnated capacitor.
Dry construction：Epoxy Resin end seal and doesn't have impregnant leakage problem
Plastic enclosure and Epoxy Resin are flame retardant UL94-V0 grade
higher Insulation Resistance and Insulation Voltage

Electrical Characteristics

Rated Voltage：10kVdc – 20kVdc / 2,500Vac – 4,000Vac

Capacitance range：0.1uF – 0.68uF with Tolerance：+/-10% at 23℃

Rated Temperature：+70℃ / +85℃

Insulation Resistance：250Vdc +23C >= 50,000Mohm

Testing Voltage Terminal to Terminal：Vpeak：1.4 x rated Vdc 10 seconds at 23℃

Vac：1.4 x rated Vac 10 seconds at 23℃

Accelerated Life：1.25 x Vdc or Vac at rated Temperature for 2,000 hours

Maximum Ripple Current：up to 50A

Peak discharge current - I peak：up to 4500A

Temperature range： -25℃to +70℃ / -25℃to +85℃(depends on capacitor raw materials)

Ultra-Low Leakage version is available on request

Specifications and Size

STH：10kVdc / 2500Vac

P/N：	Cn uF	Diameter D mm	Length L mm	dv/dt v/us	Peak Current Ip~p A	ESL nH	ESR(mohm) 100KHz	Max. Amp70C	Max. Amp85C
STH224K4AcO0	0.22	65	185	5500	1210	45	5.5	20	15
STH254K4AcO0	0.25	90	185	5500	1370	45	5.1	20	15
STH334K4AcO0	0.33	90	185	5500	1810	45	4.6	30	25
STH404K4AcO0	0.4	90	185	5500	2200	45	4.3	40	35
STH504K4AcO0	0.5	90	185	5500	2750	45	3.9	45	40
STH684K4AdO0	0.68	90	230	4300	2920	55	3.6	50	45

STH：12kVdc / 3000Vac

P/N：	Cn uF	Diameter D mm	Length L mm	dv/dt v/us	Peak Current Ip~p A	ESL nH	ESR(mohm) 100KHz	Max. Amp70C	Max. Amp85C
STH224K4BdO0	0.22	65	230	6000	1320	55	5.2	20	15
STH254K4BdO0	0.25	65	230	6000	1500	55	4.8	20	15
STH334K4BdO0	0.33	90	230	6000	1980	55	4.4.	30	25
STH404K4BdO0	0.4	90	230	6000	2400	55	4	40	35
STH504K4BdO0	0.5	90	230	6000	3000	55	3.7	45	40

STH：15kVdc / 3500Vac

P/N：	Cn uF	Diameter D mm	Length L mm	dv/dt v/us	Peak Current Ip~p A	ESL nH	ESR(mohm) 100KHz	Max. Amp70C	Max. Amp85C
STH154K4CeO0	0.15	65	295	6500	970	80	5.6	20	15
STH224K4CeO0	0.22	90	295	6500	1430	80	5.2	25	20
STH334K4CeO0	0.33	90	295	6500	2140	80	4.7	40	35
STH504K4CeO0	0.5	90	295	6500	3250	80	4.2	50	40

STH：20kVdc / 4000Vac

P/N：	Cn uF	Diameter D mm	Length L mm	dv/dt v/us	Peak Current Ip~p A	ESL nH	ESR(mohm) 100KHz	Max. Amp70C	Max. Amp85C
STH104K4DeO0	0.1	65	295	9000	900	80	6	15	10
STH124K4DeO0	0.12	65	295	9000	1080	80	5.5	15	10
STH154K4DeO0	0.15	90	295	9000	1350	80	5	20	15
STH224K4DeO0	0.22	90	295	9000	1980	80	4.6	30	25
STH254K4DeO0	0.25	90	295	9000	2250	80	4.2	40	35
STH274K4DeO0	0.27	90	295	9000	2430	80	3.9	40	35
STH334K4DeO0	0.33	90	295	9000	2970	80	3.8	40	35
STH504K4DeO0	0.5	90	295	9000	4500	80	3.6	40	35

Specifications and Size

STH：10kVdc / 2500Vac

P/N：	Cn uF	Diameter D mm	Length L mm	dv/dt v/us	Peak Current Ip~p A	ESL nH	ESR(mohm) 100KHz	Max. Amp70C	Max. Amp85C
STH224K4AcO0	0.22	65	185	5500	1210	45	5.5	20	15
STH254K4AcO0	0.25	90	185	5500	1370	45	5.1	20	15
STH334K4AcO0	0.33	90	185	5500	1810	45	4.6	30	25
STH404K4AcO0	0.4	90	185	5500	2200	45	4.3	40	35
STH504K4AcO0	0.5	90	185	5500	2750	45	3.9	45	40
STH684K4AdO0	0.68	90	230	4300	2920	55	3.6	50	45

STH：12kVdc / 3000Vac

P/N：	Cn uF	Diameter D mm	Length L mm	dv/dt v/us	Peak Current Ip~p A	ESL nH	ESR(mohm) 100KHz	Max. Amp70C	Max. Amp85C
STH224K4AdO0	0.22	65	230	6000	1320	55	5.2	20	15
STH254K4AdO0	0.25	65	230	6000	1500	55	4.8	20	15
STH334K4AdO0	0.33	90	230	6000	1980	55	4.4.	30	25
STH404K4AdO0	0.4	90	230	6000	2400	55	4	40	35
STH504K4AdO0	0.5	90	230	6000	3000	55	3.7	45	40

STH：15kVdc / 3500Vac

P/N：	Cn uF	Diameter D mm	Length L mm	dv/dt v/us	Peak Current Ip~p A	ESL nH	ESR(mohm) 100KHz	Max. Amp70C	Max. Amp85C
STH154K4CeO0	0.15	65	295	6500	970	80	5.6	20	15
STH224K4CeO0	0.22	90	295	6500	1430	80	5.2	25	20
STH334K4CeO0	0.33	90	295	6500	2140	80	4.7	40	35
STH504K4CeO0	0.5	90	295	6500	3250	80	4.2	50	40

STH：20kVdc / 4000Vac

P/N：	Cn uF	Diameter D mm	Length L mm	dv/dt v/us	Peak Current Ip~p A	ESL nH	ESR(mohm) 100KHz	Max. Amp70C	Max. Amp85C
STH104K4DeO0	0.1	65	295	9300	930	80	6	15	10
STH124K4DeO0	0.12	65	295	9300	1100	80	5.5	15	10
STH154K4DeO0	0.15	90	295	9300	1390	80	5	20	15
STH224K4DeO0	0.22	90	295	9300	2040	80	4.6	30	25
STH254K4DeO0	0.25	90	295	9300	2320	80	4.2	40	35
STH274K4DeO0	0.27	90	295	9300	2510	80	3.9	40	35
STH334K4DeO0	0.33	90	295	9300	3060	80	3.8	40	35
STH454K4DeO0	0.45	90	295	9300	4180	80	3.6	40	35
STH504K4DeO0	0.5	90	295	9300	4650	80	3.4	45	40

Specifications and Size

STH：1100Vrms / 1600Vpeak

P/N：	Cn uF	Diameter D mm	Length L mm	Cont.Irms +70C	Rθ C/W +70C	Cont.Power KVAR +70C	Cont.Irms +85C	Rθ C/W +85C	Cont.Power KVAR +85C	ESR mohm 100khz 25C	Stray Inductance nH
STH503K3aLO0	0.05	65	65	15	6.1	16.2	12	8.8	13.5	3.8	20
STH683K3aLO0	0.068	65	65	15	6.1	16.5	12	9.5	13.2	3.65	20
STH753K3aLO0	0.075	65	65	15	6.3	16.5	12	9.9	13.2	3.5	20
STH823K3aLO0	0.082	65	65	15	6.5	16.5	12	10.2	13.2	3.4	20
STH104K3aLO0	0.1	90	65	25	2.4	27.5	20	3.8	22.0	3.3	20
STH124K3aLO0	0.12	90	65	30	1.8	33.0	25	2.5	27.5	3.15	20
STH154K3aLO0	0.15	90	65	40	1.1	44.0	30	1.9	33.0	2.9	20

STH：1700Vrms / 2500Vpeak

P/N：	Cn uF	Diameter D mm	Length L mm	Cont.Irms +70C	Rθ C/W +70C	Cont.Power KVAR +70C	Cont.Irms +85C	Rθ C/W +85C	Cont.Power KVAR +85C	ESR mohm 100khz 25C	Stray Inductance nH
STH503K3CUO0	0.05	65	120	18	3.6	30.6	15	5.2	25.5	4.3	37
STH683K3CUO0	0.068	65	120	18	3.7	30.6	15	5.3	25.5	4.2	37
STH753K3CUO0	0.075	65	120	25	2.0	42.5	20	3.1	34.0	4.0	37
STH104K3CUO0	0.1	90	120	35	1.1	59.7	25	2.2	42.5	3.6	37
STH124K3CUO0	0.12	90	120	35	1.2	59.5	25	2.4	42.5	3.4	37
STH154K3CUO0	0.15	90	120	45	0.8	76.5	35	1.3	59.5	3.2	37

STH：1900Vrms / 2800Vpeak

P/N：	Cn uF	Diameter D mm	Length L mm	Cont.Irms +70C	Rθ C/W +70C	Cont.Power KVAR +70C	Cont.Irms +85C	Rθ C/W +85C	Cont.Power KVAR +85C	ESR mohm 100khz 25C	Stray Inductance nH
STH503K3jUO0	0.05	65	120	15	5.3	28.5	12	8.3	22.8	4.2	37
STH683K3jUO0	0.068	65	120	15	5.6	28.5	12	8.7	22.8	4.0	37
STH753K3jUO0	0.075	65	120	20	3.3	38.0	15	5.8	28.5	3.8	37
STH104K3jUO0	0.1	90	120	30	1.5	57.0	25	2.2	47.5	3.6	37
STH124K3jUO0	0.12	90	120	30	1.6	57.0	25	2.3	47.5	3.45	37
STH154K3jUO0	0.15	90	120	35	1.2	66.5	30	1.7	57.0	3.3	37

STH：2100Vrms / 3000Vpeak

P/N：	Cn uF	Diameter D mm	Length L mm	Cont.Irms +70C	Rθ C/W +70C	Cont.Power KVAR +70C	Cont.Irms +85C	Rθ C/W +85C	Cont.Power KVAR +85C	ESR mohm 100khz 25C	Stray Inductance nH
STH333K3LbO0	0.033	65	175	18	2.5	37.8	13	4.8	27.3	6.2	55
STH503K3LbO0	0.05	65	175	20	2.4	42.0	15	4.3	31.5	5.2	55
STH683K3LbO0	0.068	90	175	30	1.2	63.0	25	1.8	52.5	4.5	55
STH753K3LbO0	0.075	90	175	30	1.4	63.0	25	2.1	52.5	3.9	55
STH104K3LbO0	0.1	90	175	40	0.9	84.0	35	1.1	73.5	3.6	55

STH：2500Vrms / 3600Vpeak

P/N：	Cn uF	Diameter D mm	Length L mm	Cont.Irms +70C	Rθ C/W +70C	Cont.Power KVAR +70C	Cont.Irms +85C	Rθ C/W +85C	Cont.Power KVAR +85C	ESR mohm 100khz 25C	Stray Inductance nH
STH253K3EdO0	0.025	65	230	18	1.6	45.0	13	3.1	32.5	9.4	75
STH333K3EdO0	0.033	65	230	18	2.2	45.0	13	4.2	32.5	7.1	75
STH503K3EdO0	0.05	90	230	25	1.4	62.5	20	2.1	50.0	5.9	75
STH683K3EdO0	0.068	90	230	30	1.1	75.0	25	1.6	62.5	4.9	75
STH753K3EdO0	0.075	90	230	30	1.3	75.0	25	1.9	62.5	4.3	75

STH：2650Vrms / 3750Vpeak

P/N：	Cn uF	Diameter D mm	Length L mm	Cont.Irms +70C	Rθ C/W +70C	Cont.Power KVAR +70C	Cont.Irms +85C	Rθ C/W +85C	Cont.Power KVAR +85C	ESR mohm 100khz 25C	Stray Inductance nH
STH253K3MdO0	0.025	65	230	16	2.0	42.4	12	3.6	31.8	9.6	75
STH333K3MdO0	0.033	65	230	16	2.6	42.4	12	4.7	31.8	7.4	75
STH503K3MdO0	0.05	90	230	20	2.0	53.0	15	3.6	39.8	6.2	75
STH683K3MdO0	0.068	90	230	25	1.6	66.3	20	2.5	53.0	5.1	75
STH753K3MdO0	0.075	90	230	30	1.2	79.5	25	1.8	66.3	4.5	75

STH：3400Vrms / 4500Vpeak

P/N：	Cn uF	Diameter D mm	Length L mm	Cont.Irms +70C	Rθ C/W +70C	Cont.Power KVAR +70C	Cont.Irms +85C	Rθ C/W +85C	Cont.Power KVAR +85C	ESR mohm 100khz 25C	Stray Inductance nH
STH153K3NeO0	0.015	65	294	13	2.0	40.3	10	3.4	31.0	14.5	90
STH223K3NeO0	0.022	65	294	15	2.0	46.5	12	3.2	37.2	11.0	90
STH253K3NeO0	0.025	65	294	18	1.6	55.8	13	3.0	40.3	9.9	90
STH333K3NeO0	0.033	90	294	20	1.6	62.0	15	2.9	46.5	7.6	90
STH503K3NeO0	0.05	90	294	30	0.9	93.0	25	1.3	77.5	6.1	90

STH：3500Vrms / 5000Vpeak

P/N：	Cn uF	Diameter D mm	Length L mm	Cont.Irms +70C	Rθ C/W +70C	Cont.Power KVAR +70C	Cont.Irms +85C	Rθ C/W +85C	Cont.Power KVAR +85C	ESR mohm 100khz 25C	Stray Inductance nH
STH123K3PeO0	0.012	65	294	13	2.5	45.5	10	4.2	35.0	12	90
STH153K3eO0	0.015	65	294	15	2.3	52.	11	4.2	38.5	9.8	90
STH223K3PeO0	0.022	65	294	20	1.6	70.0	15	2.8	52.5	8.0	90
STH253K3PeO0	0.025	65	294	25	1.2	87.5	18	2.3	63.0	6.6	90
STH333K3PeO0	0.033	90	294	30	1.0	105	22	1.8	77.0	5.8	90

For any Capacitance, Voltage, dv/dt and Peak Pulse Discharge Current not listed, please contact us for a suggestion.

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