From dd777bcecf1f7d5bcaec073a01c7c9aee3e990bc Mon Sep 17 00:00:00 2001
From: techdregs <127994432+techdregs@users.noreply.github.com>
Date: Sun, 27 Sep 2026 20:24:42 -0400
Subject: [PATCH] [core] Share conversion rate configuration constant (#19800)

---
 esphome/components/const/__init__.py   | 1 +
 esphome/components/emc2101/__init__.py | 2 +-
 esphome/components/tmp1075/sensor.py   | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/esphome/components/const/__init__.py b/esphome/components/const/__init__.py
index faa2a37670..97d757c9d4 100644
--- a/esphome/components/const/__init__.py
+++ b/esphome/components/const/__init__.py
@@ -15,6 +15,7 @@ CONF_CLIMATE_ID = "climate_id"
 CONF_CO2_EQUIVALENT = "co2_equivalent"
 CONF_COLOR_DEPTH = "color_depth"
 CONF_COLUMNS = "columns"
+CONF_CONVERSION_RATE = "conversion_rate"
 CONF_CRC_ENABLE = "crc_enable"
 CONF_DATA_BITS = "data_bits"
 CONF_DESCRIPTION = "description"
diff --git a/esphome/components/emc2101/__init__.py b/esphome/components/emc2101/__init__.py
index 639847345f..6cd122fb96 100644
--- a/esphome/components/emc2101/__init__.py
+++ b/esphome/components/emc2101/__init__.py
@@ -1,5 +1,6 @@
 import esphome.codegen as cg
 from esphome.components import i2c
+from esphome.components.const import CONF_CONVERSION_RATE
 import esphome.config_validation as cv
 from esphome.const import CONF_ID, CONF_INVERTED, CONF_RESOLUTION
 from esphome.types import ConfigType
@@ -13,7 +14,6 @@ MULTI_CONF = True
 CONF_PWM = "pwm"
 CONF_DIVIDER = "divider"
 CONF_DAC = "dac"
-CONF_CONVERSION_RATE = "conversion_rate"
 
 CONF_EMC2101_ID = "emc2101_id"
 
diff --git a/esphome/components/tmp1075/sensor.py b/esphome/components/tmp1075/sensor.py
index 3cbda4a57a..ab510db0c5 100644
--- a/esphome/components/tmp1075/sensor.py
+++ b/esphome/components/tmp1075/sensor.py
@@ -1,5 +1,6 @@
 import esphome.codegen as cg
 from esphome.components import i2c, sensor
+from esphome.components.const import CONF_CONVERSION_RATE
 import esphome.config_validation as cv
 from esphome.const import (
     DEVICE_CLASS_TEMPERATURE,
@@ -41,7 +42,6 @@ CONF_LIMIT_LOW = "limit_low"
 CONF_LIMIT_HIGH = "limit_high"
 CONF_FAULT_COUNT = "fault_count"
 CONF_POLARITY = "polarity"
-CONF_CONVERSION_RATE = "conversion_rate"
 CONF_FUNCTION = "function"
 
 CONFIG_SCHEMA = (