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Panasonic ERJ-2RKF1272X 12.7K Ohm 1% 0402 Thick Film Resistor 45 pcs

Resistors • SKU RFB00736

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Full Description & History

Panasonic ERJ-2RKF1272X 12.7K ohm thick film surface-mount resistors with 1% tolerance in the compact 0402 package. This listing is for one NOS package containing 45 resistors. Suitable for precision voltage dividers, bias circuits, feedback networks, signal conditioning, control electronics, communications equipment, automotive electronics, audio circuits, and general SMD repair.

LIFECYCLE STATUS: OBSOLETE
Resistance: 12.7K ohm
Equivalent Resistance: 12700 ohm
Tolerance: 1%
Power Rating: 0.1W / 1/10W
Package: 0402
Metric Package: 1005
Technology: Thick Film
Mounting Style: Surface Mount
Series: ERJ-2RK
Qualification: Automotive Grade / AEC-Q200 Family
Manufacturer P/N: ERJ-2RKF1272X
Mouser P/N: 667-ERJ-2RKF1272X
Date Code: 2127
Country of Origin: China
Contents: 45 resistors

HISTORICAL BACKGROUND: Panasonic traces its origins to Osaka, Japan in 1918, when Konosuke Matsushita founded the business that grew into one of Japan's most influential electronics manufacturers. In addition to consumer electronics, Panasonic became a major global supplier of electronic components including resistors, capacitors, relays, switches, sensors, batteries, and other board-level parts. The ERJ family represents Panasonic's established thick film surface-mount resistor technology developed for compact automated PCB production. The 0402 package became increasingly important as electronic equipment moved toward higher component density and smaller circuit boards while still requiring stable, accurately controlled resistance values. Panasonic remains a Japanese-origin manufacturer, while the original Mouser distributor label on this specific package identifies China as the country of manufacture.

Part numberERJ-2RKF1272X
ManufacturerPanasonic
ConditionNOS
Quantity1
NOS / New Old Stock Origin Tracker NOS / New Old Stock

Unused new old stock from legacy inventory. Packaging, age, and cosmetic condition may vary.

⚡ Boneyard Pipeline
In Stock1 available
StatusGone When Gone

Pipeline quantities are informational and may change after arrival, inspection, sorting, testing, or donor teardown.

Compatible Radios / Boards

Compatible Radios / Boards

Suitable for circuits requiring a 12.7K ohm, 1% tolerance, 0402 surface-mount resistor rated at 0.1W or less. Typical applications include voltage divider networks, transistor bias circuits, feedback paths, pull-up and pull-down networks, signal conditioning, control boards, automotive electronics, communications equipment, audio electronics, and general SMD repair. Verify resistance, tolerance, package size, power rating, and circuit requirements before installation.

RF Boneyard Bench Notes

RF Boneyard Bench Notes

NOS components in original Mouser distributor packaging. Manufacturer part number, 12.7K ohm resistance value, 1% tolerance, 0402 package, country of origin, and 45-piece contents visually verified. Individual resistors have not been electrically tested.

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Also Filed Under
NOS Electronic Components
See Listing Tech Install New OLD Stock
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Part Number:
ERJ-2RKF1272X
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Manufacturer:
Panasonic
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Category:
RF Boneyard Part
🔧
Condition:
vintage stock
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Bench Status:
Distributor superplus package
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Docs:
See Listing
⚠
Install Level:
Technician Install
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Rarity:
New OLD Stock
Passport Key
Condition = source/physical state. Bench Status = what kind of bench check or note exists. Docs = datasheet or support file attached. Install Level = caution level for fitting the part. Rarity = how hard it may be to replace.
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