Seiko Instruments, Inc.

Seiko Instruments, Inc.

Seiko Instruments, Inc. (SII) is a global manufacturer of electronic components and systems, including watches, semiconductors, printers, and other products. Founded in 1937, the company has a long history of innovation and excellence in engineering. SII's product portfolio includes high-precision quartz watches, RFID systems, thermal printers, and electronic components such as microcontrollers, sensors, and displays. The company is committed to delivering reliable, high-quality solutions that meet the evolving needs of its customers. With a focus on sustainability and social responsibility, SII strives to reduce its environmental impact and promote ethical business practices. With a global network of subsidiaries and distributors, SII serves customers in various industries, including healthcare, retail, transportation, and more.

Batteries Non-Rechargeable (Primary)

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Battery Cell Size
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Seiko Instruments, Inc.
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ImageProduct DetailPriceAvailabilityECAD ModelSeriesBattery ChemistryBattery Cell SizeVoltage - RatedCapacitySize / DimensionTermination Style
SR421SW
BATTERY SLVR OX 1.55V COIN 4.8MM
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PCB Symbol, Footprint & 3D Model
SR421
Silver Oxide
Coin, 4.8mm
1.55 V
12mAh
0.19" Dia x 0.08" H (4.8mm x 2.0mm)
Requires Holder
SR521SW
BATTERY SLVR OX 1.55V COIN 5.8MM
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Quantity
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PCB Symbol, Footprint & 3D Model
SR521
Silver Oxide
Coin, 5.8mm
1.55 V
16mAh
0.23" Dia x 0.08" H (5.8mm x 2.0mm)
Requires Holder
SR920SW
BATTERY SLVR OX 1.55V COIN 9.5MM
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Quantity
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PCB Symbol, Footprint & 3D Model
SR920
Silver Oxide
Coin, 9.5mm
1.55 V
46mAh
0.37" Dia x 0.08" H (9.5mm x 2.0mm)
Requires Holder
SR516SW
BATTERY SLVR OX 1.55V COIN 5.8MM
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Quantity
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PCB Symbol, Footprint & 3D Model
SR516
Silver Oxide
Coin, 5.8mm
1.55 V
12.5mAh
0.23" Dia x 0.06" H (5.8mm x 1.6mm)
Requires Holder
SR726SW
BATTERY SLVR OX 1.55V COIN 7.9MM
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Quantity
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PCB Symbol, Footprint & 3D Model
SR726
Silver Oxide
Coin, 7.9mm
1.55 V
34mAh
0.31" Dia x 0.10" H (7.9mm x 2.6mm)
Requires Holder
SR516SW-5SE
SILVER OXIDE HG FREE BATTERY. LO
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Quantity
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PCB Symbol, Footprint & 3D Model
SR516
Silver Oxide
Coin, 5.8mm
-
12.5mAh
0.23" Dia x 0.06" H (5.8mm x 1.6mm)
Requires Holder
SR521SW-5SE
SILVER OXIDE HG FREE BATTERY. LO
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Quantity
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PCB Symbol, Footprint & 3D Model
SR521
Silver Oxide
Coin, 5.8mm
-
16mAh
0.23" Dia x 0.08" H (5.8mm x 2.0mm)
Requires Holder
SR616SW-5SE
SILVER OXIDE HG FREE BATTERY. LO
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Quantity
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PCB Symbol, Footprint & 3D Model
SR616
Silver Oxide
Coin, 6.8mm
-
16mAh
0.27" Dia x 0.06" H (6.8mm x 1.6mm)
Requires Holder
SR621SW-5SE
SILVER OXIDE HG FREE BATTERY. LO
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Quantity
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PCB Symbol, Footprint & 3D Model
SR621
Silver Oxide
Coin, 6.8mm
-
23mAh
0.27" Dia x 0.08" H (6.8mm x 2.0mm)
Requires Holder
SR626SW-5SE
SILVER OXIDE HG FREE BATTERY. LO
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Quantity
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PCB Symbol, Footprint & 3D Model
SR626
Silver Oxide
Coin, 6.8mm
-
30mAh
0.27" Dia x 0.10" H (6.8mm x 2.6mm)
Requires Holder
SR716SW-5SE
BATTERY SLVR OX COIN 7.9MM
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Quantity
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PCB Symbol, Footprint & 3D Model
SR716
Silver Oxide
Coin, 7.9mm
-
21mAh
0.31" Dia x 0.06" H (7.9mm x 1.6mm)
Requires Holder
SR721SW-5SE
SILVER OXIDE HG FREE BATTERY. LO
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Quantity
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PCB Symbol, Footprint & 3D Model
SR721
Silver Oxide
Coin, 7.9mm
-
23mAh
0.31" Dia x 0.08" H (7.9mm x 2.0mm)
Requires Holder
SR726SW-5SE
SILVER OXIDE HG FREE BATTERY. LO
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Quantity
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PCB Symbol, Footprint & 3D Model
SR726
Silver Oxide
Coin, 7.9mm
-
34mAh
0.31" Dia x 0.10" H (7.9mm x 2.6mm)
Requires Holder
SR626W-5SE
SILVER OXIDE HG FREE BATTERY. HI
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Quantity
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PCB Symbol, Footprint & 3D Model
SR626
Silver Oxide
Coin, 6.8mm
-
28mAh
0.27" Dia x 0.10" H (6.8mm x 2.6mm)
Requires Holder
SR527SW-5SE
SILVER OXIDE HG FREE BATTERY. LO
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Quantity
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PCB Symbol, Footprint & 3D Model
SR527
Silver Oxide
Coin, 5.8mm
-
22mAh
0.23" Dia x 0.11" H (5.8mm x 2.8mm)
Requires Holder
SR41SW-5SE
SILVER OXIDE HG FREE BATTERY. LO
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Quantity
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PCB Symbol, Footprint & 3D Model
SR41
Silver Oxide
Coin, 7.9mm
-
45mAh
0.31" Dia x 0.14" H (7.9mm x 3.6mm)
Requires Holder
SR41W-5SE
SILVER OXIDE HG FREE BATTERY. HI
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Quantity
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PCB Symbol, Footprint & 3D Model
SR41
Silver Oxide
Coin, 7.9mm
-
45mAh
0.31" Dia x 0.14" H (7.9mm x 3.6mm)
Requires Holder
SR512SW-5SE
SILVER OXIDE HG FREE BATTERY. LO
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Quantity
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PCB Symbol, Footprint & 3D Model
SR512
Silver Oxide
Coin, 5.8mm
-
5.5mAh
0.23" Dia x 0.05" H (5.8mm x 1.3mm)
Requires Holder
SR731SW-5SE
SILVER OXIDE HG FREE BATTERY. LO
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Quantity
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PCB Symbol, Footprint & 3D Model
SR731
Silver Oxide
Coin, 7.9mm
-
36mAh
0.31" Dia x 0.12" H (7.9mm x 3.1mm)
Requires Holder
SR920W-5SE
BATTERY SLVR OX 1.55V COIN 9.5MM
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Quantity
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PCB Symbol, Footprint & 3D Model
SR920
Silver Oxide
Coin, 9.5mm
1.55 V
42mAh
0.37" Dia x 0.08" H (9.5mm x 2.0mm)
Requires Holder

About  Batteries Non-Rechargeable (Primary)

Non-rechargeable (primary) battery cells are electrochemical storage devices intended for disposal once depleted. These single-use cells generate energy through an irreversible chemical reaction when subjected to a load, offering stable long-term energy storage properties. Primary cells are generally more cost-effective compared to rechargeable (secondary) batteries of similar capacity. Certain types of primary batteries, such as alkaline cells, are susceptible to leakage and corrosion over time, particularly when fully discharged.