NTC Chip Thermistor TCTR Series
The TCTR series NTC chip thermistor utilizes the 3rd generation thick film sintering process, offering high reliability and precise temperature detection suitable for automotive-grade applications meeting AEC-Q200 standards. Key features include an insulating glass protective layer, high-purity alumina substrate, and a special electrode structure designed to withstand thermal shock and mechanical stress from PCB bending. These thermistors are ideal for demanding applications in automotive electronics, medical devices, industrial control equipment, and smart home appliances.
Product Attributes
- Brand: (CBEureka)
- Origin: Shenzhen, China
- Certifications: AEC-Q200, some models comply with UL2459
Technical Specifications
| Series | Size | Resistance Range (25C) | B Value Range (25C/85C) | Resistance Tolerance | B Value Tolerance | Operating Temperature Range | Max. Operating Power | Dissipation Factor () | Thermal Time Constant () |
|---|---|---|---|---|---|---|---|---|---|
| TCTR0805 | 0805 | 1K ~ 1M | 3000K ~ 4800K | 1% ~ 10% | 1% ~ 5% | -40C ~ +125C | 120mW | ~1.2mW/ | ~2.0sec |
| TCTR0603 | 0603 | 1K ~ 1M | 3000K ~ 4800K | 1% ~ 10% | 1% ~ 5% | -40C ~ +125C | 110mW | ~1.1mW/ | ~1.5sec |
| TCTR0402 | 0402 | 1K ~ 1M | 3000K ~ 4800K | 1% ~ 10% | 1% ~ 5% | -40C ~ +125C | 5mW | ~1.5mW/ | ~5.0sec |
Resistance Temperature Characteristics Table (Example: 10K, B:3200K)
| Temperature (C) | Resistance () |
|---|---|
| -40 | 217,300.0 |
| -35 | 162,800.0 |
| -30 | 123,300.0 |
| -25 | 94,240.0 |
| -20 | 72,720.0 |
| -15 | 56,620.0 |
| -10 | 44,450.0 |
| -5 | 35,170.0 |
| 0 | 28,040.0 |
| 5 | 22,520.0 |
| 10 | 18,210.0 |
| 15 | 14,820.0 |
| 20 | 12,140.0 |
| 25 | 10,000.0 |
| 30 | 8,286.0 |
| 35 | 6,903.0 |
| 40 | 5,782.0 |
| 45 | 4,867.0 |
| 50 | 4,116.0 |
| 55 | 3,498.0 |
| 60 | 2,986.0 |
| 65 | 2,560.0 |
| 70 | 2,203.0 |
| 75 | 1,904.0 |
| 80 | 1,652.0 |
| 85 | 1,439.0 |
| 90 | 1,258.0 |
| 95 | 1,103.0 |
| 100 | 971.3 |
| 105 | 857.7 |
| 110 | 759.8 |
| 115 | 675.3 |
| 120 | 601.9 |
| 125 | 538.1 |
Dimensions
| Series | L (mm) | W (mm) | T (mm) | a (mm) | b (mm) | c (mm) |
|---|---|---|---|---|---|---|
| TCTR0805 | 2.000.20 | 1.250.20 | 0.550.10 | 0.400.20 | 1.600.15 | 0.800.15 |
| TCTR0603 | 1.600.15 | 0.800.15 | 0.500.10 | 0.300.20 | 1.000.05 | 0.500.05 |
| TCTR0402 | 1.000.05 | 0.500.05 | 0.350.05 | 0.25+0.05/-0.10 | 0.500.05 | 0.350.05 |
Part Numbering Scheme
Example: TCTR0805J1K00H3200T (TCTR 0805, 5% Resistance Tolerance, 1K, 3% B Value Tolerance, B Value 3200K, Standard Product)
| Component | Description |
|---|---|
| Series | TCTR |
| Size | 0402, 0603, 0805 |
| Resistance Tolerance | F=1%, G=2%, H=3%, J=5%, K=10% |
| B Value Tolerance | F=1%, G=2%, H=3%, J=5% |
| B Value | e.g., 3200=3200K, 4000=4000K |
| Packaging | T=Standard, H=High Temperature |
| Resistance | e.g., 390R=390, 1K00=1000, 1M00=1000000 |
Performance Indicators
| Test Item | Test Method | Standard | Requirement |
|---|---|---|---|
| High Temperature Storage | IEC 60068-2-2 | +255C~+260C, within 30sec. | R4% |
| High Temp/Humidity Storage | IEC 60068-2-30 | +90C, 96%RH, 1000h | R4% |
| Vibration | IEC 60068-2-6 | 10-500Hz, Amplitude 1.5mm peak-peak | R4% |
| Resistance to Soldering Heat | IEC 60068-2-21 | +260C tin bath, 10 seconds | R4% |
| Solderability | MIL-STD-202G Method 208 | Min. wettable area: 95% | R4% |
| Temperature Cycling | IEC 60068-2-14 | -55C, +125C, 41min each, 211 cycles | R4% |
| Board Flex Test | IEC 60068-2-21 | 6mm, holding time 20s | R4% |
| Low Temperature Storage | IEC 60068-2-1 | -55C, 1000 hours, no load | R4% |
Reflow Soldering Curve
Standard Curve: Peak Temp: 217C, 10s; Preheat: 150C~200C, 60~180s
High Temp Curve: Peak Temp: 265C, 10s; Preheat: 150C~200C, 60~180s
Marking
TCTR1513, TCTR1714, TCTR1916: No marking.
Packaging Dimensions
Refer to detailed diagrams for Reel and Hub dimensions.
Version Change Log
- V4 (2023/04/23): Added resistance range, products with operating temperature up to 110C, updated logo.
- V3 (2022/12/31): New style, added pad dimensions, soldering curve, tape packaging.
- V2 (2022/11/26): Changed "B Value" to "B30/100", deleted data below 4000K, added 150C data, added description notes, updated logo.
- V1: New product release.
Disclaimer: Information subject to change without notice. Shenzhen CBElectronics Co., Ltd. assumes no liability for errors or omissions. Product specifications do not extend or modify purchase terms. Customers are responsible for verifying suitability for specific applications. Latest versions available at resistor.today. Products are not intended for life-support applications unless explicitly stated.
2504101957_RESI-TCTR0805F100KF4310T_C525385.pdf
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