| Part Number | T491B686K004ZT | T491B686K006ZT | 
|---|---|---|
| Manufacturer | KEMET | KEMET | 
| Category | Tantalum Capacitors | Tantalum Capacitors | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Capacitance | 68 µF | 68 µF | 
| Tolerance | ±10% | ±10% | 
| Voltage - Rated | 4 V | 6.3 V | 
| Type | Molded | Molded | 
| ESR (Equivalent Series Resistance) | 1.8Ohm | 900mOhm | 
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | 
| Lifetime @ Temp. | 2000 Hrs @ 125°C | 2000 Hrs @ 125°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 1411 (3528 Metric) | 1411 (3528 Metric) | 
| Size / Dimension | 0.138" L x 0.110" W (3.50mm x 2.80mm) | 0.138" L x 0.110" W (3.50mm x 2.80mm) | 
| Height - Seated (Max) | 0.083" (2.10mm) | 0.083" (2.10mm) | 
| Lead Spacing | - | - | 
| Manufacturer Size Code | B | B | 
| Ratings | - | - | 
| Features | General Purpose | General Purpose | 
| Failure Rate | - | - |