Amazon.com: Honeywell HIH-4000-002 Board Mount IC Humidity Sensors 1.27mm Lead Pitch SIP, HR:0-100 RH, Linear Vout~RH, Accuracy ±3.5% RH, Resp t: 5s, V Supply: 4-5.8V, Through Hole : Electronics
1PCS HIH-4000-003 Honeywell High Accuracy Humidity Sensor - AliExpress
1pcs/lot New Original SIP-3 HIH-4000-003 HIH 4000 003 Humidity Sensors In Stock - AliExpress