Guangdong Uchi Electronics Co.,Ltd
Guangdong Uchi Electronics Co.,Ltd Manufactuer of Varistor, Thermistor, Capacitor,Fuse & Resistor since 2006 !
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Chip Type Electronic NTC Thermistor For IC And Semiconductor Protecting
| FEATURES |
| 1. All sizes are constructed 4-side glass encapsulatio,high reliability and stability available. 2. Highly reliable multilayer and monolithic structure, Leadless, ideal for high density SMT installation. 3. Excellent Temperature Coefficient, Wide ranges of operating temperature (-40°C to 125°C) |
| APPLICATION |
| TCXO, Temperature compensating circuit of LCD. Temperature sensing in rechargeable batteries and chargers CPU. IC and Semiconductor protecting. Printer temperature compensating circuit. Player Driver. Telecom exchanger. DC/AC transformer and HIC over heat protecting. |
| Part Number Identification |
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| Product Series Code | Resistance @25℃ | Tolerance | B constance | Test temp. Of B | Dimension. | ||||||||||
| CT | Chip NTC Thermistor | 202 | 20×102Ω | F | ±1% | B3435: B=3435 | A | 25℃/50℃ | 02 | 0201 | |||||
| G | ±2% | 04 | 0402 | ||||||||||||
| 103 | 10×103Ω | H | ±3% | B4100: B=4100 | B | 25℃/85℃ | 06 | 0603 | |||||||
| J | ±5% | 08 | 0805 | ||||||||||||
| 473 | 47×103Ω | K | ±10% | 12 | 1206 | ||||||||||
| Electronic parameter Specification |
| Part No. | R25℃ (KΩ) | B (K) | Rated Power @25℃(mw) | Dissipation factor(δ) (mW/℃) | Thermal time constant (s) |
| CT101□2700A-□ | 0.1 | 2700 | 0402: 100 mw
0603: 200 mw
0805: 300 mw
1206: 350 mw | 0402: 1 mw℃
0603: 2 mw℃
0805: 3 mw℃
1206: 3.5 mw℃ | 0402: 3 S
0603: 3 S
0805: 5 S
1206: 5 S |
| CT221□2900A-□ | 0.22 | 2900 | |||
| CT331□3000A-□ | 0.33 | 3000 | |||
| CT471□3100A-□ | 0.47 | 3100 | |||
| CT681□3150A-□ | 0.68 | 3150 | |||
| CT102□3200A-□ | 1.0 | 3200 | |||
| CT222□3250A-□ | 2.2 | 3250 | |||
| CT332□3300A-□ | 3.3 | 3300 | |||
| CT472□3350A-□ | 4.7 | 3350 | |||
| CT682□3400A-□ | 6.8 | 3400 | |||
| CT103□3435A-□ | 10 | 3435 | |||
| CT103□3950A-□ | 10 | 3900 | |||
| CT153□3500A-□ | 15 | 3500 | |||
| CT223□3600A-□ | 22 | 3600 | |||
| CT333□3800A-□ | 33 | 3800 | |||
| CT473□3900A-□ | 47 | 3900 | |||
| CT683□3950A-□ | 68 | , , , , 3950 | |||
| CT104□4100A-□ | 100 | 4100 | |||
| CT224□4200A-□ | 220 | 4200 | |||
| CT334□4300A-□ | 330 | 4300 | |||
| CT474□4500A-□ | 470 | 4500 | |||
| CT564□4500A-□ | 560 | 4500 |
| Packaging |
| Code | A | B | F | T |
| 0402 | 0.65±0.1 (0.026±0.004) | 1.15±0.1 (0.02±0.004) | 2.0±0.05 (0.079±0.002) | 0.8max (0.031max) |
| 0603 | 1.0±0.2 (0.039±0.008) | 1.8±0.2 (0.071±0.008) | 4.0±0.2 (0.157±0.008) | 0.8max (0.031max) |
| 0805 | 1.5±0.2 (0.059±0.008) | 2.3±0.2 (0.091±0.008) | 4.0±0.2 (0.157±0.008) | 1.1max (0.043max) |