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Specifications
Voltage Rating:
250V
Capacitance:
680pF
Temperature Coefficient:
X7R
Tolerance:
±10%
Mfr. Part #:
0805X7R681K251NT
Model Number:
0805X7R681K251NT
Package:
0805
Key Attributes
Product Description
Product Overview
This product is a Multi-Layer Ceramic Capacitor (MLCC) designed for high-voltage applications. It is suitable for coupling, wave filtering, and resonant functions in various power supply circuits, including switch power supplies, AC-DC and DC-DC power chargers, networking/communication interfaces, LCD backlight unit power supplies, and energy-saving lamps. These MLCCs are available in medium and high voltage ratings and offer different temperature characteristics like C0G, X7R, and X5R.
Product Attributes
- Terminal Composition: Au/Ag-Ni-Sn (From the inside out)
- RoHS/REACH Compliance: Meets RoHS and REACH standards.
Technical Specifications
Application Field
Applications include coupling, wave filtering, and resonant in high voltage circuits such as switch power suppliers, AC-DC power chargers, DC-DC power chargers, networking/communication interfaces, LCD backlight unit power suppliers, and energy-saving lamps.
Testing Conditions
Normal Condition: Temperature: 15~35, Humidity: 45~75%RH, Atmosphere: 86~106kPa
Relative Condition: Temperature: 252, Humidity: 60~70%RH, Atmosphere: 86~106kPa
Part Number Description
Example: 1812 X7R 684 M 251 N T
Breakdown:
- Dimension Code: e.g., 0201, 0402, 0603, 0805, 1206, 1210, 1808, 1812, 1825, 2211, 2225
- Temperature Characteristic: C0G (030 PPM/), X7R (15%), X5R (15%)
- Nominal Electrostatic Capacity: e.g., 8R0=8.0pF, 100=10pF, 101=100pF
- Tolerance of Electrostatic Capacity: B:0.1pF, C:0.25pF, D:0.5pF, F:1%, G: 2%, J:5%, K:10%, M:20%, Z:+80%/-20%
- Rated Voltage (DC): e.g., 250=25V, 251=250V, 252=2500V
- Terminal Composition: Au/Ag-Ni-Sn
- Packing: T (Tape/Reel), P (Bag packing)
Construction
- Ceramic dielectric
- Inner electrode
- Outer electrode
- Nickel layer
- Tin layer
Dimensions (mm)
| Part Number | Dimension (mm) L | Dimension (mm) W | Dimension (mm) T | WB (mm) |
|---|---|---|---|---|
| 0201 (0603) | 0.600.10 | 0.300.05 | 0.300.05 | 0.100.05 |
| 0402 (1005) | 1.000.15 | 0.500.15 | 0.500.10 | 0.200.10 |
| 0603 (1608) | 1.600.20 | 0.800.15 | 0.800.15 | 0.300.10 |
| 0805 (2012) | 2.000.20 | 1.250.20 | 0.800.20 | 0.500.20 |
| 1206 (3216) | 3.200.30 | 1.600.30 | 1.000.20 | 0.600.30 |
| 1210 (3225) | 3.200.30 | 2.500.30 | 2.70 | 0.800.30 |
| 1808 (4520) | 4.500.40 | 2.000.20 | 2.70 | 0.800.30 |
| 1812 (4532) | 4.500.40 | 3.200.30 | 3.50 | 0.800.30 |
| 1825 (4563) | 4.500.40 | 6.300.50 | 3.50 | 0.800.30 |
| 2220 (5750) | 5.700.50 | 5.000.50 | 3.50 | 1.000.40 |
| 2225 (5763) | 5.700.50 | 6.300.50 | 6.20 | 1.000.40 |
Specification and Testing Method
| No | Item | Specification/Requirement | Testing method |
|---|---|---|---|
| 1 | Temperature | -55~+125 | |
| 2 | Visual/Dimension | 1. No Damage 2. Dimension meet Spec | Naked eye (Visual inspection), Digital calliper |
| 3 | Static capacity | Meet standard specification and tolerance | NPO: 1MHz10%, 1.00.2Vrms (1000pF); 1KHz10%, 1.00.2Vrms (>1000pF). X7R/X7T/X7P: 1KHz10%, 1.00.2Vrms (10uF); 120Hz24, 0.50.1Vrms (>10uF). |
| 4 | Dissipation factor (DF) | NPO: DF0.56 (Cr5pF), DF1.5[(150/Cr)+7]10-4 (5pFCr50pF), DF0.15% (50pFCr). Testing frequency 110%MHz, Voltage 1V0.2rms (Cr1000pF); Testing frequency 110%KHz, Voltage 1V0.2rms (Cr1000pF). X7R/X7T/X7P: Cr10uF, Test frequency 110%KHz, Voltage 1V0.1rms. Cr10uF, Frequency 12024Hz, Voltage 0.5V0.1rms. (See Note 1 for exceptions) | |
| 5 | IR Insulation Resistance | NPO: IR50000M, C10nF; IR*Cr500S, C10nF. Testing condition: Rated voltage, Time: 605s, Humidity: 75%, Temperature: 255, Current: 50mA. X7R/X7T/X7P: IR10000M, C25nF; IR*Cr100S, C25nF. | |
| 6 | Hi-pot (DC) | No dielectric breakdown or damage. Ur=100V, 2.5 x rated voltage; Ur=200V/250V, 2.0 x rated voltage; Ur=450/500/630V, 1.5 x rated voltage; 1KVUr2KV, 1.2 x rated voltage; 2KVUr, 1.1 x rated voltage. Voltage Raising time: 110S, Voltage maintaining time: 2S. | |
| 7 | Solderability | soldering area90% | Pre-heating temperature 80-120, time 10-30s, lead free solder, flux. Soldering temperature 2455, Solder time 20.5s. |
| 8 | Resistance to the heat of soldering | Visual-No damage, soldering area90% | Pre-heating temperature 100-200, time 102 s, soldering temperature :2655, Soldering time:51s. Cleaning with solvent. Room temperature, time: 242 hours. |
| 9 | Flexural strength | No damage | Base board: Al2O3 /PCB. PCB dimension: Thickness: 1.6mm, Length: 100mm, Width: 40mm. Flexural depth: 1mm. Bend speed: 0.5mm/sec. Test under flexural status. Electro static capacity change rate: C/C10%. |
| 10 | Terminal bonding strength | No visual damage | Applied Force: 5N, Duration: 101S. |
| 11 | Thermal shock | NPO: C/C2.5% or 0.25pF. X7R/X7P: C/C0.5%. X7T: C/C10%. | Pre-condition (X7R h characteristic): Upper limit temperature 1 hour, place 241 hours, start testing. Run 5 cycles Thermal shock. Test after place 242 hours normal temp & humidity. |
| 12 | Temperature moisture exposure | Visual: No visual damage. Capacitance change rate: NPO: C/C2% or 1pF. X7R/X7T/X7P: C/C10%. DF 2 times initial standard. IR: NPO: IR2500M or IR*Cr25S. X7R/X7T/X7P: IR1000M or IR*Cr25S. | Temperature 402, Humidity 90~95%RH, time 50024 hours. Test after place 242 hours normal temp & humidity. |
| 13 | High temperature exposure | Visual: No visual damage. Capacitance change rate: NPO: C/C2% or 1pF. X7R/X7T/X7P: C/C20%. DF 2 X initial standard. IR: NPO: IR4000M or IR*Cr40S. X7R/X7T/X7P: IR2000M or IR*Cr50S. | Temperature 1253, Time 100048 hours. Voltage: 100VV250V (2x Rated voltage), 250VV1KV (1.5x rated voltage), 1KVV (1.2x rated voltage). Test after place 48 hours under normal pressure & temperature. |
| 14 | PCB flexural strength | No crack and other defect | IR Soldering the MLCC on the PCB, then pressing direction based on the photo. |
Embossed Plastic Taping
Embossed tape reel packing for 0805(2012)~1812(4532) type.
| Code | Tape size (A) | (B) | (C) | (D) | (E) | (F) | (G) | (H) | (J) | (T) |
|---|---|---|---|---|---|---|---|---|---|---|
| 0805 | 1.55 0.20 | 2.35 0.20 | 8.00 0.20 | 3.50 0.05 | 1.75 0.10 | 4.00 0.10 | 2.00 0.10 | 4.00 0.10 | 1.50 -0/+0.10 | 1.50 Max |
| 1206 | 1.95 0.20 | 3.60 0.20 | 8.00 0.20 | 3.50 0.05 | 1.75 0.10 | 4.00 0.10 | 2.00 0.10 | 4.00 0.1 | 1.50 -0/+0.10 | 1.85 Max |
| 1210 | 2.70 0.10 | 3.42 0.10 | 8.00 0.10 | 3.50 0.05 | 1.75 0.10 | 4.00 0.10 | 2.00 0.05 | 4.00 0.10 | 1.55 -0/+0.10 | 3.2 Max |
| 1808 | 2.20 0.10 | 4.95 0.10 | 12.00 0.10 | 5.50 0.05 | 1.75 0.10 | 4.00 0.10 | 2.00 0.05 | 4.00 0.10 | 1.50 -0/+0.10 | 3.0 Max |
| 1812 | 3.66 0.10 | 4.95 0.10 | 12.00 0.10 | 5.50 0.05 | 1.75 0.10 | 8.00 0.10 | 2.00 0.05 | 4.00 0.10 | 1.55 -0/+0.10 | 4.0 Max |
Paper Tape Reel Packing
For 10050402~12063216 types.
| Code | Paper size (W1) | (L1) | (D) | (C) | (B) | (P1) | (P2) | (P0) | (d) | (t) |
|---|---|---|---|---|---|---|---|---|---|---|
| 1005 | 0.24 0.02 | 0.45 0.02 | 8.00 0.10 | 3.50 0.05 | 1.75 0.10 | 2.00 0.05 | 2.00 0.05 | 4.00 0.10 | 1.50 -0/+0.10 | 0.30 Below |
| 0201 | 0.37 0.10 | 0.67 0.10 | 8.00 0.10 | 3.50 0.05 | 1.75 0.10 | 2.00 0.05 | 2.00 0.05 | 4.00 0.10 | 1.50 -0/+0.10 | 0.80 Below |
| 0402 | 0.65 0.10 | 1.15 0.10 | 8.00 0.10 | 3.50 0.05 | 1.75 0.10 | 2.00 0.05 | 2.00 0.05 | 4.00 0.10 | 1.50 -0/+0.10 | 0.80 Below |
| Code | Paper size (A) | (B) | (C) | (D) | (E) | (F) | (G) | (H) | (J) | (T) |
|---|---|---|---|---|---|---|---|---|---|---|
| 0603 | 1.10 0.10 | 1.90 0.10 | 8.00 0.10 | 3.50 0.05 | 1.75 0.10 | 4.00 0.10 | 2.00 0.10 | 4.00 0.10 | 1.50 -0/+0.10 | 1.10 Max |
| 0805 | 1.45 0.15 | 2.30 0.15 | 8.0 0.15 | 3.50 0.05 | 1.75 0.10 | 4.00 0.10 | 2.00 0.10 | 4.00 0.10 | 1.50 -0/+0.10 | 1.10 Max |
| 1206 | 1.80 0.20 | 3.40 0.20 | 8.00 0.20 | 3.50 0.05 | 1.75 0.10 | 4.00 0.10 | 2.00 0.10 | 4.00 0.10 | 1.50 -0/+0.10 | 1.10 Max |
Reel Dimensions
| Unit: mm | A | B | C | D | E | F | G |
|---|---|---|---|---|---|---|---|
| 7REEL | 1782.0 | 3.0 | 130.5 | 210.5 | 21 or Bigger | 1010.5 | 12max |
| 13REEL | 3302.0 | 3.0 | 130.5 | 210.5 | 21 or Bigger | 1010.5 | 12max |
Taping Specification
Top tape peeling strength: 0.1N < peeling strength < 0.7N. No paper dirty remains on the scotch when peeling, and sticks to top and bottom tape.
Packing Quantity
| Dimension | Paper T/R (Pcs) | Plastic T/R (Pcs) |
|---|---|---|
| 0603 | 4000 | |
| 0805 | 4000 | 3000 (T1.35mm) |
| 1206 | 3000 (T>1.35mm) | |
| 1210 | 2000 (T1.60mm) | |
| 1808 | 3000 (T>1.60mm) | |
| 1812 | 2000 | |
| 1812 | 1000 (T1.85mm) | |
| 1000 (T>1.85mm) | ||
| 800 | ||
| 500 |
Precautions For Use
MLCCs may fail in a short circuit mode when subjected to severe conditions beyond specified ratings. Following precautions and application notes are recommended.
- Soldering Profile: Follow the temperature profile to avoid cracks due to sudden temperature changes.
- Manual Soldering: Handle soldering iron carefully to avoid thermal cracks. Pay attention to tip selection and temperature.
- Optimum Solder Amount for Reflow Soldering
- Recommended Soldering amounts
Recommended Soldering Method
| Size | Temperature Characteristics | Rated Voltage | Capacitance | Soldering Method |
|---|---|---|---|---|
| 1005 | NPO | / | / | R |
| X7R/X5R/X7S/X6S | / | / | R | |
| 0201 | NPO | / | / | R |
| X7R/X5R/X7S/X6S | / | / | R | |
| Y5V | / | / | R | |
| 0402 | NPO | / | / | R |
| X7R/X5R/X7S/X6S | / | / | R | |
| Y5V | / | / | R | |
| 0603 | NPO | / | / | R/W |
| X7R/X5R/X7S/X6S | / | C1uf | R | |
| C1uf | R/W | |||
| Y5V | / | C1uf | R | |
| C1uf | R/W | |||
| 0805 | NPO | / | / | R/W |
| X7R/X5R/X7S/X6S | / | C4.7uf | R | |
| C4.7uf | R/W | |||
| Y5V | / | C1uf | R | |
| C1uf | R/W | |||
| 1206 | NPO | / | / | R/W |
| X7R/X5R/X7S/X6S | / | C10uf | R | |
| C10uf | R/W | |||
| Y5V | / | C10uf | R | |
| C10uf | R/W | |||
| 1210 | NPO | / | / | R |
| X7R/X5R/X7S/X6S | / | / | R | |
| Y5V | / | / | R |
Soldering method: RReflow Soldering, WWave Soldering
Soldering Temperature Profile
During preheating, keep the temperature difference between soldering temperature and surface temperature of chips as T150.
2509251626_AIDE-CAPACITOR-0805X7R681K251NT_C49326721.pdf
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