Product Overview
The CMF Chip NTC Thermistors are miniature, leadless surface-mount devices designed for high-density installations. They offer superior solderability and resistance to soldering heat, making them ideal for both wave and reflow soldering processes. These thermistors are utilized for temperature compensation and sensing in various electronic applications, including mobile communication equipment (IC, LCD, transistors, crystal oscillators), rechargeable batteries, and CPUs.
Product Attributes
- Brand: Cantherm
- Division: Microtherm
- Origin: Canada
- Mounting Type: Surface Mount (SMT)
- Soldering Compatibility: Wave or Reflow
Technical Specifications
| Series | Size Code (Inches) | Dimensions (mm) L x W x T (max) | Termination Width (min) | Resistance at 25C (K) | B-Constant (25/85C K) | Part Number Example |
|---|---|---|---|---|---|---|
| CMF (0402) | 0402 (1005) | 1.0 0.15 x 0.5 0.10 x 0.60 max | 0.10 min | 10, 47, 100 | 3950, 4050 | CMFX3950103_ |
| CMFA (0603) | 0603 (1608) | 1.6 0.15 x 0.8 0.15 x 0.95 max | 0.10 max | 10, 22, 47, 100, 220, 68 | 3450, 3970, 3900, 3950, 3550 | CMFA3450103_ |
| CMFB (0805) | 0805 (2012) | 2.0 0.20 x 1.25 0.2 x 1.25 max | 0.15 max | 4.7, 10, 22, 47, 100, 33, 2, 15 | 3435, 3550, 3900, 4000, 3970, 3200, 3650, 4050 | CMFB3435472_ |
| CMFC (1206) | 1206 (3216) | 3.2 0.20 x 1.6 0.20 x 1.6 max | 0.20 max | 0.22, 0.33, 0.47, 1.0, 2.2, 3.3, 4.7, 6.8, 10, 15, 22, 33, 47, 68, 100, 220 | 3200, 3250, 3350, 3400, 3500, 3900, 3950, 4000, 4100, 4200, 4300 | CMFC3200221_ |
Part Numbering Structure Example (CMF B 3950 103 J N T):
| Component | Description |
|---|---|
| CMF | Chip NTC Thermistor |
| B | Series |
| 3950 | B-value (25/85C) |
| 103 | Resistance at 25C (10 x 10^3 ) |
| J | Tolerance (4%) |
| N | Termination (Nickel Barrier) |
| T | Packaging (Tape & Reel) |
Tolerance Codes: F (1%), G (2%), H (3%), J (4%), K (10%)
Termination Codes: P (Pd), N (Nickel Barrier)
Packaging Codes: B (Bulk), T (Tape & Reel)
Size Codes: X (0402), A (0603), B (0805), C (1206)
2411220416_Cantherm-CMFA3435103FNT_C17611305.pdf
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