Tadiran TL-5101 vs TL-5902 – Direct Replacement Comparison
The Tadiran TL-5101 and Tadiran TL-5902 are both 3.6V lithium thionyl chloride (Li-SOCl₂) 1/2 AA batteries (ER14252) with identical physical dimensions. The TL-5902 is a full, drop-in replacement for the TL-5101 and can be used in 100% of TL-5101 applications.
| Specification | TL-5101 | TL-5902 (Lithium XTRA) |
|---|---|---|
| Nominal Voltage | 3.6 V | 3.6 V |
| Nominal Capacity (@ 0.5 mA to 2.0V) |
0.95 Ah | 1.20 Ah |
| Continuous Current Capability | Low-drain applications | Up to 50 mA |
| Pulse Current Capability | Not specified | Up to 100 mA |
| Operating Temperature | -55°C to +85°C | -55°C to +85°C |
| Physical Size | 1/2 AA (ER14252) | 1/2 AA (ER14252) |
| Compatibility | Original low-drain specification | Fully compatible with all TL-5101 applications |
Important:
The TL-5902 fully replaces the TL-5101 in 100% of applications, offering higher capacity and superior current handling with no mechanical or electrical compatibility concerns. When in doubt, choose the TL-5902.
The TL-5902 fully replaces the TL-5101 in 100% of applications, offering higher capacity and superior current handling with no mechanical or electrical compatibility concerns. When in doubt, choose the TL-5902.