BTN04G SMD NTC Thermistors

Bourns BTN04G SMD Negative Temperature Coefficient (NTC) Thermistors come in an EIA 0402 product size and are suitable for temperature sensing and compensation in mobile devices and electronic equipment. These small, high-precision 170mW thermistors feature a -40°C to +125°C operating temperature range, a highly reliable structure, and stable electrical characteristics. The devices offer a 3380K to 4250K B value range with a highly accurate tolerance of ±1% and 10kΩ to 100kΩ resistance with ±1% to ±5% tolerance. Bourns BTN04G SMD NTC Thermistors are UL / TÜV recognized, halogen free, and RoHS compliant. The series is designed for temperature sensing in a variety of electronic applications, including office automation, communications, IT, battery packs, and LED displays and lighting.

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Description Datasheet Availability Pricing (KRW) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
B Parameter
Resistance
Power Rating
Tolerance
Mounting Style
Termination Style
Minimum Operating Temperature
Maximum Operating Temperature
Package / Case
Length
Width
Height
Packaging
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 10kohm, 1%, 3380K, 1%
Datasheet
18,308In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

BTN04G 3380 K 10 kOhms 170 mW 1 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel, Cut Tape, MouseReel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 10kohm, 1%, 3900K, 1%
Datasheet
9,779In Stock
50,000Expected 10/14/2026
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

BTN04G 3900 K 10 kOhms 170 mW 1 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel, Cut Tape, MouseReel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 100kohm, 1%, 4250K, 1%
Datasheet
19,568In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

BTN04G 4250 K 100 kOhms 170 mW 1 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel, Cut Tape, MouseReel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 33kohm, 1%, 4050K, 1%
Datasheet
19,920In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

BTN04G 4050 K 33 kOhms 170 mW 1 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel, Cut Tape, MouseReel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 47kohm, 1%, 4050K, 1%
Datasheet
19,540In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

BTN04G 4050 K 47 kOhms 170 mW 1 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel, Cut Tape, MouseReel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 10kohm, 2%, 3380K, 1%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 50,000
Mult.: 10,000
: 10,000

BTN04G 3380 K 10 kOhms 170 mW 2 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 10kohm, 2%, 3900K, 1%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 50,000
Mult.: 10,000
: 10,000

BTN04G 3900 K 10 kOhms 170 mW 2 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 10kohm, 3%, 3380K, 1%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 50,000
Mult.: 10,000
: 10,000

BTN04G 3380 K 10 kOhms 170 mW 3 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 10kohm, 3%, 3900K, 1%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 50,000
Mult.: 10,000
: 10,000

BTN04G 3900 K 10 kOhms 170 mW 3 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 10kohm, 5%, 3380K, 1%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 50,000
Mult.: 10,000
: 10,000

BTN04G 3380 K 10 kOhms 170 mW 5 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 10kohm, 5%, 3900K, 1%
Datasheet
Non-Stocked Lead-Time 16 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

BTN04G 3900 K 10 kOhms 170 mW 5 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel, Cut Tape, MouseReel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 100kohm, 2%, 4250K, 1%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 50,000
Mult.: 10,000
: 10,000

BTN04G 4250 K 100 kOhms 170 mW 2 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 100kohm, 3%, 4250K, 1%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 50,000
Mult.: 10,000
: 10,000

BTN04G 4250 K 100 kOhms 170 mW 3 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 100kohm, 5%, 4250K, 1%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 50,000
Mult.: 10,000
: 10,000

BTN04G 4250 K 100 kOhms 170 mW 5 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 33kohm, 2%, 4050K, 1%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 50,000
Mult.: 10,000
: 10,000

BTN04G 4050 K 33 kOhms 170 mW 2 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 33kohm, 3%, 4050K, 1%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 50,000
Mult.: 10,000
: 10,000

BTN04G 4050 K 33 kOhms 170 mW 3 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 33kohm, 5%, 4050K, 1%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 50,000
Mult.: 10,000
: 10,000

BTN04G 4050 K 33 kOhms 170 mW 5 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 47kohm, 2%, 4050K, 1%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 50,000
Mult.: 10,000
: 10,000

BTN04G 4050 K 47 kOhms 170 mW 2 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 47kohm, 3%, 4050K, 1%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 50,000
Mult.: 10,000
: 10,000

BTN04G 4050 K 47 kOhms 170 mW 3 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel
Bourns NTC Thermistors NTC, SMD, Sensing, 0402, General, 47kohm, 5%, 4050K, 1%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 50,000
Mult.: 10,000
: 10,000

BTN04G 4050 K 47 kOhms 170 mW 5 % SMD/SMT SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.5 mm Reel