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LaB6 and CeB6 cathodes
Greater brightness from low work function yielding higher currents at lower temps than tungsten. Ideal for small spot sizes in SEM, TEM, surface analysis and metrology.Available:
Greater brightness from low work function yielding higher currents at lower temps than tungsten. Ideal for small spot sizes in SEM, TEM, surface analysis and metrology.
Available:
| Code | Manufacturer | Description |
| EMS80920-L |
AMRAY all SEM models |
LaB6 90/16 |
| EMS80920 | CeBix 90/16 | |
| EMS80921-L |
Cameca EPMA SX50, SX100 |
LaB6 90/16 non-shunted |
| EMS80921 | CeBix 90/16 non-shunted | |
| EMS80922-20-L |
Camscan all SEM models |
LaB6 90/20 non-shunted |
| EMS80922-20 | CeBix 90/20 non-shunted | |
| EMS80922-16-L | LaB6 90/16 non-shunted | |
| EMS80922-16 | CeBix 90/16 non-shunted | |
| EMS80923-L |
Electronscan Philips ESEM 2020, E-3, XL |
LaB6 90/16 |
| EMS80923 | CeBix 90/16 | |
| EMS80919-L |
ETEC Lithography |
LaB6 90/30 non-shunted |
| EMS80919 | LaB6 90/30 non-shunted | |
| EMS80924-L-S |
Hitachi SEM |
LaB6 90/16 |
| EMS80924-S | CeBix 90/16 | |
| EMS80924-L-T | TEM | LaB6 90/16 |
| EMS80924-T | CeBix 90/16 | |
| EMS80924-L-HT | High Res TEM, recommended for 200 kV+ | LaB6 90/5 |
| EMS80924-HT | CeBix 60/5 | |
| EMS80925-L | ICT / Advantest SEM | LaB6 90/16 non-shunted |
| EMS80925 | CeBix 90/16 non-shunted | |
| EMS80926-L-S1 |
ISI / Topcon DS-130, DS-150, SS, IC and WB/CL series, SEM |
LaB6 90/16 non-shunted |
| EMS80926-S1 | CeBix 90/16 non-shunted | |
| EMS80926-L-S2 | DS-701, SM-501, ABT series, SX,-40, CCCD | LaB6 90/16 |
| EMS80926-S2 | CeBix 90/16 | |
| EMS80926-L-T | 002B TEM | LaB6 60/5 |
| EMS80926-T | CeBix 60/5 | |
| EMS80926-L-T1 | LaB6 90/16 | |
| EMS80927-L |
JEOL SEM, TEM, JAMP30, JXA 8600 |
LaB6 90/16 |
| EMS80927 | CeBix 90/16 | |
| EMS80927-L-HT | High Resolution TEM | LaB6 60/5 |
| EMS80927-HT | CeBix 60/5 | |
| EMS80928-L |
Leica / Leo (Cambridge SMVM base) 200, 400 Series SEM |
LaB6 90/16 |
| EMS80928 | CeBix 90/16 | |
| EMS80928-L-S | 360 SEM | LaB6 90/16 |
| EMS80929-L-P |
Leica Lithography (Philips base) EBPG, EBL, VB series |
LaB6 90/16 |
| EMS80929-P | CeBix 90/16 | |
| EMS80929-L-CM | (Cambridge MVM base) EBMF series 1-10.5, EBML | LaB6 90/20 non-shunted |
| EMS80929-CM | CeBix 90/20 non-shunted | |
| EMS80929-L-20 | (Cambridge SMVM base) EBMF constant voltage | LaB6 90/20 |
| EMS80929-20 | CeBix 90/20 | |
| EMS80929-L-20S | LaB6 60/40 | |
| EMS80929-20S | CeBix 60/40 | |
| EMS80930-L | Omicron LEED | LaB6 90/100 |
| EMS80930 | CeBix 90/100 | |
| EMS80931-L |
Philips/FEI SEM, TEM, EBPG |
LaB6 90/16 |
| EMS80931 | CeBix 90/16 | |
| EMS80933-L |
Zeiss Leo SEM, TEM |
LaB6 90/16 |
| EMS80933 | CeBix 90/16 |
Please choose carefully. Returns of this item are subject to approval.
Updated: 04-06-2026
| Code | Type | EM | Pack Size | Availability | Price | Updated: 04-06-2026 |
|---|---|---|---|---|---|---|
| EMS80920-L | LaB6, 90/16 | AMRAY | Each | No ETA | P.O.R. | Quote |
| EMS80920 | CeB6, 90/16 | AMRAY | Each | No ETA | P.O.R. | Quote |
| EMS80921-L | LaB6, 90/16 non-shunted | Camca | Each | No ETA | P.O.R. | Quote |
| EMS80921 | CeB6, 90/16 non-shunted | Camca | Each | No ETA | P.O.R. | Quote |
| EMS80922-20-L | LaB6, 90/20 non-shunted | Camscan | Each | No ETA | P.O.R. | Quote |
| EMS80922-20 | CeB6, 90/20 non-shunted | Camscan | Each | No ETA | P.O.R. | Quote |
| EMS80922-16-L | LaB6, 90/16 non-shunted | Camscan | Each | No ETA | P.O.R. | Quote |
| EMS80922-16 | CeB6, 90/16 non-shunted | Camscan | Each | No ETA | P.O.R. | Quote |
| EMS80923-L | LaB6, 90/16 | Electronscan Philips | Each | No ETA | P.O.R. | Quote |
| EMS80923 | CeB6, 90/16 | Electronscan Philips | Each | No ETA | P.O.R. | Quote |
| EMS80919-L | LaB6, 90/30 non-shunted | ETEC | Each | No ETA | P.O.R. | Quote |
| EMS80924-L-S | LaB6, 90/16 | Hitachi , SEM | Each | No ETA | P.O.R. | Quote |
| EMS80924-S | CeB6, 90/16 | Hitachi , SEM | Each | No ETA | P.O.R. | Quote |
| EMS80924-L-T | LaB6, 90/16 | Hitachi , TEM | Each | No ETA | P.O.R. | Quote |
| EMS80924-T | CeB6, 90/16 | Hitachi, TEM | Each | No ETA | P.O.R. | Quote |
| EMS80924-L-HT | LaB6, 90/5 | Hitachi , TEM | Each | No ETA | P.O.R. | Quote |
| EMS80924-HT | CeB6, 60/5 | Hitachi , TEM | Each | No ETA | P.O.R. | Quote |
| EMS80925-L | LaB6, 90/16 non-shunted | ICT/Advantest | Each | No ETA | P.O.R. | Quote |
| EMS80926-L-S1 | LaB6, 90/16 non-shunted | ISI/Topcon | Each | No ETA | P.O.R. | Quote |
| EMS80926-S1 | CeB6, 90/16 non-shunted | ISI/Topcon | Each | No ETA | P.O.R. | Quote |
| EMS80926-L-S2 | LaB6, 90/16 | DS-701 | Each | No ETA | P.O.R. | Quote |
| EMS80926-S2 | CeB6 90/16 | DS-701 | Each | No ETA | P.O.R. | Quote |
| EMS80926-T | CeB6, 60/5 | 002B TEM | Each | No ETA | P.O.R. | Quote |
| EMS80926-L-T1 | LaB6, 90/16 | 002B TEM | Each | No ETA | P.O.R. | Quote |
| EMS80927-L | LaB6, 90/16 | JEOL | Each | No ETA | P.O.R. | Quote |
| EMS80927 | CeB6, 90/16 | JEOL | Each | No ETA | P.O.R. | Quote |
| EMS80927-L-HT | LaB6, 60/5 | JEOL | Each | No ETA | P.O.R. | Quote |
| EMS80927-HT | CaB6, 60/5 | JEOL | Each | No ETA | P.O.R. | Quote |
| EMS80928-L | LaB6, 200-400 SEM | LEICA/LEO | Each | No ETA | P.O.R. | Quote |
| EMS80928 | CeB6, 200-400 SEM | LEICA/LEO | Each | No ETA | P.O.R. | Quote |
| EMS80928-L-S | LaB6, 360 SEM | LEICA/LEO | Each | No ETA | P.O.R. | Quote |
| EMS80929-L-P | LaB6, 90/16 | VB Series | Each | No ETA | P.O.R. | Quote |
| EMS80929-P | CeB6, 90/16 | VB Series | Each | No ETA | P.O.R. | Quote |
| EMS80929-L-CM | LaB6, 90/20 non-shunted | EBML | Each | No ETA | P.O.R. | Quote |
| EMS80929-CM | CeB6, 90/20 non-shunted | EBML | Each | No ETA | P.O.R. | Quote |
| EMS80929-L-20 | LaB6, 90/20 | EBMF constant voltage | Each | No ETA | P.O.R. | Quote |
| EMS80929-20 | CeB6, 90/20 | EBMF constant voltage | Each | No ETA | P.O.R. | Quote |
| EMS80929-L-20S | LaB6, 60/40 | EBMF constant voltage | Each | No ETA | P.O.R. | Quote |
| EMS80929-20S | CeB6, 60/40 | EBMF constant voltage | Each | No ETA | P.O.R. | Quote |
| EMS80930-L | LaB6, 90/100 | Omicron | Each | No ETA | P.O.R. | Quote |
| EMS80930 | CaB6, 90/100 | Omicron | Each | No ETA | P.O.R. | Quote |
| EMS80931-L | LaB6, 90/16 | Philips/FEI | Each | No ETA | P.O.R. | Quote |
| EMS80931 | CeB6, 90/16 | Philips/FEI | Each | No ETA | P.O.R. | Quote |
| EMS80933-L | LaB6, 90/16 | Zeiss LEO | Each | No ETA | P.O.R. | Quote |
| EMS80933 | CaB6, 90/16 | Zeiss LEO | Each | No ETA | P.O.R. | Quote |
* Availability Explanation
X weeks – the estimated lead time, based on the average time taken previously to fill orders from this particular supplier. Lead times are from when we receive your order until when we fill your order. For delivery times, please see shipping information below.
In Stock – Plenty of stock on the shelf, ready to ship.
No ETA – our supplier has advised they cannot provide an accurate ETA. Generally there is some issue with supply, and it may be more than 6 months.
