Littelfuse LL-34 MiniMELF Thermistors
Littelfuse LL-34 "MiniMELF" style interchangeable glass encapsulated surface mount thermistors are manufactured using super stable NTC chips hermetically sealed in a glass package. This design ensures excellent long-term reliability and stability, even under severe environmental or thermal conditions. Their interchangeability eliminates the need for costly individual circuit calibration, and their uniform dimensions make them ideal for automatic insertion equipment. They are well suited for uses requiring high temperature capability up to +220C.
Product Attributes
- Brand: Littelfuse
- Style: MiniMELF
- Package Type: Glass encapsulated, surface mount
- Material: NTC chips, glass package
- Origin: Not specified
- Certifications: Not specified
Technical Specifications
| Part Number | Resistance Ohms @25C | Resistance Tol. % @ 25C | Accuracy (0C to +50C) | R-T Curve | Temperature Coefficient (% / C) @ 25C | Beta (K) 0-50C | Dissipation Constant, Nominal (mW/C) | Thermal Time Constant, Max. - Still Air (seconds) | Temperature Rating (C) |
| HM103J1A | 10000 | 0.5 | 0.5 C | J | -4.4 | 3892 | 2 | 8 | -55 to +220 |
| HM153J1A | 15000 | 0.5 | 0.5C | J | -4.4 | 3892 | 2 | 8 | -55 to +220 |
| HM203J1A | 20000 | 0.5 | 0.5C | J | -4.4 | 3892 | 2 | 8 | -55 to +220 |
| HM503J1A | 50000 | 0.5 | 0.5C | J | -4.4 | 3892 | 2 | 8 | -55 to +220 |
| HM104J1A | 100000 | 0.5 | 0.5C | J | -4.4 | 3892 | 2 | 8 | -55 to +220 |
Note: Resistance tolerances of 1%, 2%, and 5% are available upon request.
2412111059_Littelfuse-HM103J1A_C17655084.pdf
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