KOA SPEER RK73B1JTTD560J 56 OHM 5% 1/8W 0603 SMD THICK FILM RESISTOR 80 PCS NOS
$5.00
KOA Speer RK73B1JTTD560J thick-film surface-mount resistors supplied as a fixed lot of 80 NOS pieces from original Mouser distributor stock. These 0603 chip resistors provide a 56 ohm resistance value with 5% tolerance and a 1/8W power rating for general signal, bias, current-limiting, control, and board-level electronic applications.
Resistance: 56 ohm
Tolerance: 5%
Power rating: 1/8W / 0.125W
Package: 0603 / 1608 metric
Technology: Thick film
Mounting: SMD / SMT
Series: KOA Speer RK73B
Temperature coefficient: ±200 ppm/°C
Operating temperature: -55°C to +155°C
Voltage rating: 75V
Qualification: AEC-Q200
Included in this listing: 80 pieces
Distributor stock: Mouser Electronics
Distributor label date code: 1641
Country marking: China
HISTORICAL BACKGROUND: KOA Speer's RK73 family became widely used as electronic manufacturers moved toward compact automated surface-mount circuit boards. The 0603 package offered a useful balance of small physical size and practical power handling, allowing resistors to be placed densely in communications, automotive, industrial, consumer, and control electronics. The 56 ohm value is commonly used for current limiting, signal damping, transistor support circuits, logic interfaces, termination networks, and other general-purpose applications. The RK73B1JTTD560J remains an active-production component and is not obsolete.
Origin Tracker
NOS / New Old Stock
Unused new old stock from legacy inventory. Packaging, age, and cosmetic condition may vary.
Pipeline quantities are informational and may change after arrival, inspection, sorting, testing, or donor teardown.
Compatible Radios / Boards
Suitable for circuit boards requiring a 56 ohm, 5%, 1/8W resistor in the 0603 SMD footprint. Useful in communications equipment, RF support circuitry, automotive electronics, control boards, digital circuits, audio electronics, instrumentation, power supplies, and general PCB repair. Verify resistance, tolerance, power rating, voltage requirement, and footprint before installation.
RF Boneyard Bench Notes
NOS unused distributor stock. Not individually electrically tested.
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