U.S. Sensor’s NTC LL-34 “MELF” style glass encapsulated surface mount thermistors are manufactured using super stable NTC chips which are hermetically sealed in a glass package. The result is an extremely reliable surface mount package which is capable of withstanding the most severe environmental conditions. Tape and reeling for use with automatic insertion equipment is available.

 

Features
•	Surface mountable	•	Low cost
•	Hermetically sealed glass package	•	High stability
				"LL-34" SERIES  View Photo
Options
•	Non-standard resistance values and tolerances
•	Point matched at specified temperatures
•	Tape and reel packaging
Specifications
•	Thermal time constant: 8 seconds max
•	Dissipation constant: 2 mW/°C
•	Maximum operating temperature: 220°C

SURFACE MOUNT NTC LL-34 MINIMELF STYLE (220°C) Part Number Resistance Ohms @25°C * Resistance Tol. ± % R-T Curve Beta (K) 0-50°C View R-T Chart SM103J1K 10000 10 J 3890 SM153J1K 15000 10 J 3890 SM203J1K 20000 10 J 3890 SM253J1K 25000 10 J 3890 SM303J1K 30000 10 J 3890 SM403J1K 40000 10 J 3890 SM503J1K 50000 10 J 3890 SM104J1K 100000 10 J 3890 SM104R1K 100000 10 R 4140 SM254R1K 250000 10 R 4140 SM105R1K 1000000 10 R 4140 SURFACE MOUNT NTC LL-34 MINIMELF INTERCHANGEABLE (220°C) ± 0.5 Accuracy Part Number (±0.5°C 0-50°C ) Resistance Ohms @25°C R-T Curve Beta (K) 0-50°C View R-T Chart HM103J1A 10000 J 3890 HM153J1A 15000 J 3890 HM203J1A 20000 J 3890 HM503J1A 50000 J 3890 HM104J1A 100000 J 3890 SURFACE MOUNT NTC LL-34 MINIMELF INTERCHANGEABLE (220°C) ± 1.0 Accuracy Part Number (±1.0°C 0-100°C ) Resistance Ohms @25°C R-T Curve Beta (K) 0-50°C View R-T Chart WM103J1A 10000 J 3890 WM153J1A 15000 J 3890 WM203J1A 20000 J 3890 WM503J1A 50000 J 3890 WM104J1A 100000 J 3890

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