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24-Hour Technical Support: 800-260-1312 -- International: 952-941-7600
SPS1872-xx
Technical Specifications
For use with Transition Networks Model SPS-1872-xx or equivalent.
Product is certified by the manufacturer to comply with DHHS Rule 21/CFR,
Subchapter J applicable at the date of manufacture.
Compliance UL listed EN60950; FCC & CISPR class A; CE Mark
Dimensions
SPS-1872-SA - 3.875 x 3.125 x 1.0 in (98 x 79 x 25 mm)
(length x width x height) SPS-1872-CC - 4.625 x 3.125 x 1.062 in (117 x 79 x 27 mm)
SPS-1872-PS - 4.625 x 3.375 x 1.062 in (117 x 86 x 27 mm)
SPS-1872-DPS - 4.625 x 3.375 x 1.75 in (117 x 86 x 45 mm)
Power Distribution 12.6 VDC at 1.0 A maximum
Power Consumption 6 W maximum @ 18 VDC input, 12.6 W output
Efficiency 70 % (typical)
Noise and Ripple ± 40 mV peak-to-peak
MTBF >290,000 hours Belcore with typical load at 50°C
ambient temperature (calculated according to Belcore).
>834,000 hours with typical load at 50°C ambient
temperature (calculated according to MIL-HDBK-217F).
Environment Tmra*: 0 to 50°C (32 to 122° F )
Storage Temp: -20 to 85°C
Humidity: 5 to 95%, non condensing
Altitude: 0 to 10,000 feet
(*Manufacturer’s rated ambient temperature)
Warranty Lifetime
techsupport@transition.com -- Click the “Transition Now” link for a live Web chat.
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Technical Specifications -- Continued
Input:
Input Voltage 18 - 60 VDC, 24 - 30 VRMS
Isolation Voltage (Dielectric withstand) Meets IEC 950 for one minute
1500 VAC: Output/Input
1500 VAC: Input/Safety GND
1500 VAC: Output/Case
Output:
Output Voltage 12.6 VDC
Output Current 1.0 A
Load Regulation ±5% at 10% load to full-rated load
Over Load Protection (OLP) When the average power rating exceeds 125%-
150% of the maximum power, the output voltage is
reduced to a safe dissipation level. This action protects
against output short circuit.
No Load Operation No damage to power supply when operating at no load.
Transient Protection No voltage spike at power-on, power-off, or power
failure.