Alternatives to the originally requested DC/DC CONVERTER 12V/2W

I’m wondering if our customers are perhaps able to verify one of these two alternatives to the originally requested DC/DC CONVERTER 12V/2W as

PCN2-S12-S12-S / 102-2723-ND with this possible degraded substitutions with listed little inventory for 1st substitution checks:

PDME2-S12-S12-S / 102-PDME2-S12-S12-S-ND as DC-DC ISOLATED, 2 W, 10.8~13.2 V -40°C to +105°C (with power reduction) also from CUI Inc. or

PUS-1212-2W / 4369-PUS-1212-2W-ND as DC DC CONVERTER 12V 2W with reduced Temperature range from -40°C to +71°C from Diwell Electronics.