SR721SW is out of stock and can be placed on backorder.
Available Substitutes:
Parametric Equivalent

Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
SR721SW | |
|---|---|
DigiKey Part Number | 728-1098-ND |
Manufacturer | |
Manufacturer Part Number | SR721SW |
Description | BATTERY SLVR OX 1.55V COIN 7.9MM |
Manufacturer Standard Lead Time | 13 Weeks |
Customer Reference | |
Detailed Description | Coin, 7.9mm Silver Oxide 1.55 V Battery Non-Rechargeable (Primary) |
Datasheet | Datasheet |
Product Attributes
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Category | Voltage - Rated |
Mfr | Capacity |
Series | Size / Dimension 0.31" Dia x 0.08" H (7.9mm x 2.0mm) |
Packaging Tray | Termination Style Requires Holder |
Part Status Active | Discharge Rate 40µA |
Battery Chemistry | Weight 0.42 g |
Battery Cell Size |
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Substitutes (2)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| SR721W | Seiko Instruments | 0 | 728-1112-ND | $1.58000 | Parametric Equivalent |
| SR721W-5SE | Seiko Instruments | 0 | 728-1121-ND | $0.00000 | Parametric Equivalent |
In-Stock: 0
100 estimated in stock on 18-Jan-2027
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Quantity
All prices are in USD
Tray
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | $1.31000 | $1.31 |
| 10 | $1.08800 | $10.88 |
| 50 | $0.95380 | $47.69 |
| 100 | $0.90120 | $90.12 |
| 300 | $0.82367 | $247.10 |
| 500 | $0.78990 | $394.95 |
| 1,000 | $0.74630 | $746.30 |
| 2,500 | $0.69234 | $1,730.85 |
| 5,000 | $0.65413 | $3,270.65 |
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.


