MIL-SPEC Cross-Reference
Military Part
M55310/04-0200
Commercial Equivalent
FX135A-20.000
Pin-compatibleMIL-PRF-55310Fox Electronics
Cross-Reference Details
| Military Part | M55310/04-0200 |
| Specification | MIL-PRF-55310 |
| Commercial Equivalent | FX135A-20.000 |
| Manufacturer | Fox Electronics |
| Compatibility | Pin-compatible |
Technical Notes
20.000 MHz HC-49/US package crystal. Direct pin-out match, but commercial grade lacks MIL screening for hermeticity and extended temperature performance.
More Cross-References — MIL-PRF-55310
HC49USM10.000MABJ-UB→HC49US10.000MABJ-UB
TXCO · Pin-compatible
MXO45HS-3C-10M0000→MXO45HS-3C-10M0000
CTS · Similar
M55310/01-0001→HC49US
ECS Inc. · Similar
M55310/02-0050→ATS049B
Abracon · Functional
M55310/04-0100→FA-20H
Seiko Epson · Pin-compatible
M55310/03-0025→CX3225SB
Kyocera · Drop-in
HC49USM10.000MABJ-UB→HC49US-S10.000MABJ-UB
TXC Corporation · Functional
M55310/01-0001→HC49US-S-10.000-20-50-30-60-20
ECS Inc. · Functional
M55310/02-0050→ABLS-8.000MHZ-B2-T
Abracon · Similar
M55310/04-0020→NX3225SA-16.000000MHZ
NDK · Functional