FEATURES
• Resettable overtemperature and
overcurrent protection
• Can be used as a resettable
overtemperature sensor
• Trip temperature range of 55 ˚C up to 150 ˚C
• High trip temperature accuracy of just ±5 ˚C
• Highly repeatable with ratings of up to
10,000 cycles
• Surface mount (SD Series) or axial leaded/
weldable (AD Series)
• Option for either non-automatically
resettable (self-hold function)
or automatically resettable
(non self-hold function)
• Very low resistance values of just 4 mΩ max.
• Tested to AEC-Q200 equivalent
test standards
• RoHS compliant

The versatility of the new Model SD and AD Series
TCOs means the devices can be used in traditional
notebook and tablet PC, smartphone and
wearable device applications.
In addition, the Bourns® Model SD and AD series
provide extended temperature operation support
for a broad range of additional designs such as:
• Cosmetic and medical* diagnostic
equipment heaters
APPLICATIONS