The ATS260ASM-1 from CTS-Frequency Controls is a 26 MHz crystal with ±30 ppm tolerance, 20 pF load capacitance and 30 Ω resistance, in an HC-49/US package.
The ATS260ASM-1E from CTS-Frequency Controls is a 26 MHz crystal with ±30 ppm tolerance, 20 pF load capacitance and 30 Ω resistance, in an HC-49/US package.