AXERONSystems
MIL-SPEC Cross-Reference

Military Part

M55310/04-003

Commercial Equivalent

FA-20H

Pin-compatibleMIL-PRF-55310Seiko Epson

Cross-Reference Details

Military PartM55310/04-003
SpecificationMIL-PRF-55310
Commercial EquivalentFA-20H
ManufacturerSeiko Epson
CompatibilityPin-compatible

Technical Notes

Tuning fork crystal for real-time clocks. Same package outline and pinout; commercial grade has wider frequency tolerance.

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

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