Filter & Surge Protection xppower.com DSF/FSO Series Up to 28 A Output Current Up to 500 W Output Power Active Surge Protection MIL-STD 461 and DEF-STAN 59-411 MIL-STD 1275 and DEF-STAN 61-5 MIL-STD 810 3 Year Warranty Specification Input General Efficiency See Table Input Voltage Range See Models & Ratings table Isolation Voltage 500 VDC Input & Output to Case Input Transient 250 V for 70 s 2 J, 100 V for 50 ms 0.5 Series Resistance 0.07 DSF100, 0.26 DSF200LV, 0.018 DSF500, 0.013 FS0461 per MIL-STD-1275A-E Disabled Input Current 25 mA Input Reverse Voltage Continuous Protection Disable (DIS) On=open circuit or up to 40V Off=short circuit or <1V Fuse Protection None No Load Current 75 mA Package Style Photo-etched nickel-silver case & aluminium cooling baseplate Output MTBF DSF100: 2496 kHrs, Output Voltage Tracks input voltage & clamps <36 VDC DSF200LV: 2218 kHrs, Output Power See Models & Ratings table DSF500: 573 kHrs, Output Module Inhibit Open collector transistor rated FSO461: 8737 kHrs, (INH) 70 VDC with 5 mA sink current referenced to MIL-HDBK-217F at 40 C, GB to -Vin/-Vout. When the output current is: Environmental >4 A: DSF100, >7.77 A : DSF200LV Operating Temperature -40 C to +100 C baseplate >28 A: DSF500 then the INH pin is pulled Storage Temperature -55 C to +100 C logic low. Salt Atmosphere MIL-STD-810G method 509.4 This can be used to inhibit downstream DC-DC converters and reduce the load on Humidity MIL-STD-810G 507.4 the filter. When the output current is lower Altitude MIL-STD-810G 500.4 than above the INH pin is logic high. Shock MIL-STD-810G 516.5 function test for Overtemperature Shuts down output by pulling disable pin ground equipment 40 g in 3 axes Protection low when baseplate >100 C. Typical Vibration MIL-STD-810G method 514.5C-17. hysteresis 5 C auto recovery Minimum integrity test for military equipment (1 Hr/axis, 3 axes). Vibration 5-33 Hz, 0.5 mm displacement EMC & Safety Safety Approvals CE marked LVD Immunity MIL-STD-1275A-E, MIL-STD-461E/F/G (CS101, CS114, CS115 & CS116) MIL-STD-704A, DEF-STAN 61-5 part 6 issue 5 Contact Sales when DEF-STAN-61-5 part 6 issue 6 is required EMC Performance DSF100 & DSF200LV: MIL-STD 461E/F CE102 & DEF STAN 59-411 DCE01/DCE02 is achieved with external components. DSF500: Compliance to MIL-STD 461E/F/G CE102 & DEF STAN 59-411 DCE01/DCE02 is achieved when used in conjuction with FS0461. See longform datasheet for more information. DC-DCDC-DC DSF/FSO Models & Ratings Output Output Power Input Voltage Typical Efficiency Model Number Voltage Max Current 100 W 10-33 VDC <36 VDC 3.7 A 98% DSF100 30 - 54 W 10-18 VDC <36 VDC 3.0 A 92% DSF200 LV 126 - 230 W 18-33 VDC <36 VDC 7.0 A 93% (1) (3) 280 - 500 W 10-33 VDC <36 VDC 28.0 A 98% DSF500 (2) 500 W 0-100 VDC Vin - Iin x 0.013 28.0 A 99% FSO461 Notes 1. For input voltages above 18 V, maximum load is 500 W. 2. FSO461 has filter circuitry only. To be used with DSF500 for conducted immunity compliance. 3. DSF500 has surge protection only. To meet stated EMC performance it must be used with FSO461. Mechanical Details DSF100 - Surge protection and filter DSF200LV - Surge protection and filter 0.20 0.19 Customer mounting holes (5.1) (4.9) 3.2mm - 4 places 0.13 (3.2) in 2 places -VOUT 1.10 (27.9) INH 1.25 -VIN -VOUT 0.90 (31.8) 1.06 (22.9) -VIN DIS 1.25 INH 1.45 (26.9) (31.9) (36.8) 0.71 1.02 DIS +VOUT (17.9) 0.82 (25.9) 0.75 (20.9) (18.9) +VIN 0.51 +VOUT 0.63 (12.9) (15.9) 0.43 +VIN (10.9) 0.15 0.19 0.20 (3.9) (4.9) (5.0) 1.37 (34.9) 2.21 (56.1) 0.75 0.24 (6.2) 0.04 (1.0) (19.2) 0.75 (19.20) 0.508 0.508 (12.9) (12.9) 1.57 (39.9) 2.41 (61.2) DSF500 - Surge protection FSO461 - Filter Mounting holes 0.126 (3.2) 0.13 (3.2) in 4 places 4 places 2.09 -VOUT -VIN -VOUT (53.2) -VIN -VOUT -VIN -VOUT 1.83 1.83 -VIN 1.63 (46.4) (46.4) (41.4) INH 2.28 1.63 2.28 2.09 (57.9) (41.4) (57.9) (53.2) 1.43 DIS (36.4) 1.24 1.63 +VIN (31.4) (41.4) 1.04 0.84 +VIN +VIN +VOUT +VOUT (26.4) (21.4) 0.19 0.64 0.65 +VOUT +VIN +VOUT (4.7) 0.65 (16.4) (16.4) (16.4) 0.45 0.45 (11.4) 0.18 (11.4) (4.7) 0.19 0.18 (4.7) (4.7) 2.09 2.09 (53.2) (53.2) 0.75 0.75 (19.2) (19.2) 0.508 0.508 (12.9) (12.9) 2.28 (57.9) 2.28 (57.9) Notes 1. All dimensions in inches (mm). 3. Tolerance 0.011 (0.3). If using multiple modules, please consider variations 2. Weights: DSF100: 0.11 lbs (50 g) in module tolerances. DSF200LV: 0.18 lbs (80 g) 4. Pin diameter 0.04 (1.0) DSF500: 0.36 lbs (160 g) 5. Pin Material: Copper - tin alloy FSO461: 0.36 lbs (160 g) Finish: 2.5 copper and 2.5 Sn (tin) 09 March 2021