B&K Precision Corp. · Electronic Components
1901B
Power Supply
Part Number1901B
ManufacturerB&K Precision Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN6120-01-680-9096 (NSN)
Federal Item NamePOWER SUPPLY
Federal Supply Class6120 — Transformers: Distribution and Power
Input Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE OPERATING POWER RQMT
Output Wattage Rating960.0 WATTS NOMINAL SINGLE POWER OUTPUT
Output Current Rating0.1 DC AMPERES MINIMUM AND 30.0 DC AMPERES MAXIMUM SINGLE POWER OUTPUT
Operating Ambient Temp Range-0.1 TO 40.0 CELSIUS
Ventilation Design TypeSINGLE FAN
Output Frequency Rating75.0 KILOHERTZ MINIMUM AND 85.0 KILOHERTZ MAXIMUM SINGLE POWER OUTPUT
Input Current Rating4.5 AC AMPERES MINIMUM AND 9.0 AC AMPERES MAXIMUM SINGLE OPERATING POWER RQMT
Ripple Voltage At Full Load5.0 MILLIVOLTS RMS AND 50.0 MILLIVOLTS PEAK SINGLE POWER OUTPUT
Input PhaseSINGLE SINGLE OPERATING POWER RQMT
Output Voltage Rating1.0 DC VOLTS MINIMUM AND 32.0 DC VOLTS MAXIMUM SINGLE POWER OUTPUT
Overall Length10.8 INCHES NOMINAL
Vendor Part Numbers121-7540
ESD/EMICode A — ESD/EMI sensitive item
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 1901B available?
We can source 1901B even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 1901B by B&K Precision Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1901B has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 1901B?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 1901B?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.