diff --git a/docs/Config_Reference.md b/docs/Config_Reference.md
index 41bcd8ab..ca601db3 100644
--- a/docs/Config_Reference.md
+++ b/docs/Config_Reference.md
@@ -701,10 +701,11 @@ heater_pin:
 #   periods) to the heater. The default is 1.0.
 sensor_type:
 #   Type of sensor - common thermistors are "EPCOS 100K B57560G104F",
-#   "ATC Semitec 104GT-2", "Generic 3950", "Honeywell 100K
-#   135-104LAG-J01", "NTC 100K MGB18-104F39050L32", "SliceEngineering
-#   450", and "TDK NTCG104LH104JT1". See the "Temperature sensors"
-#   section for other sensors. This parameter must be provided.
+#   "ATC Semitec 104GT-2", "ATC Semitec 104NT-4-R025H42G", "Generic
+#   3950","Honeywell 100K 135-104LAG-J01", "NTC 100K MGB18-104F39050L32",
+#   "SliceEngineering 450", and "TDK NTCG104LH104JT1". See the
+#   "Temperature sensors" section for other sensors. This parameter
+#   must be provided.
 sensor_pin:
 #   Analog input pin connected to the sensor. This parameter must be
 #   provided.
@@ -2058,9 +2059,9 @@ sections that use one of these sensors.
 ```
 sensor_type:
 #   One of "EPCOS 100K B57560G104F", "ATC Semitec 104GT-2",
-#   "Generic 3950", "Honeywell 100K 135-104LAG-J01",
-#   "NTC 100K MGB18-104F39050L32", "SliceEngineering 450", or
-#   "TDK NTCG104LH104JT1"
+#   "ATC Semitec 104NT-4-R025H42G", "Generic 3950",
+#   "Honeywell 100K 135-104LAG-J01", "NTC 100K MGB18-104F39050L32",
+#   "SliceEngineering 450", or "TDK NTCG104LH104JT1"
 sensor_pin:
 #   Analog input pin connected to the thermistor. This parameter must
 #   be provided.
diff --git a/klippy/extras/temperature_sensors.cfg b/klippy/extras/temperature_sensors.cfg
index f50fa47d..ebee3089 100644
--- a/klippy/extras/temperature_sensors.cfg
+++ b/klippy/extras/temperature_sensors.cfg
@@ -44,6 +44,15 @@ resistance2: 1360
 temperature3: 300
 resistance3: 80.65
 
+# Definition from (20211112): https://atcsemitec.co.uk/wp-content/uploads/2019/01/Semitec-NT-4-Glass-NTC-Thermistor.pdf
+[thermistor ATC Semitec 104NT-4-R025H42G]
+temperature1: 25
+resistance1: 100000
+temperature2: 160
+resistance2: 1074
+temperature3: 300
+resistance3: 82.78
+
 # Definition from (20211101): https://www.tdk-electronics.tdk.com/inf/50/db/ntc_09/Glass_enc_Sensors__B57560__G560__G1560.pdf
 # (B57560G104 is same definition as B57560G1104)
 [thermistor EPCOS 100K B57560G104F]