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CGB4B3JB1A225M055AB Equivalent & Substitute Parts
Part Overview
The CGB4B3JB1A225M055AB is a 2.2 µF ±20% 10V ceramic capacitor in 0805 (2012 Metric) surface mount package manufactured by TDK Corporation. This part is classified as obsolete and requires identification of suitable alternatives for new designs or production continuity. The CGB series represents a legacy product line, making equivalent substitutes necessary for ongoing component sourcing and system reliability.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | CGB4B3JB1A225M055AB |
| Manufacturer | TDK Corporation |
| Capacitance | 2.2 µF |
| Tolerance | ±20% |
| Voltage - Rated | 10V |
| Temperature Coefficient | JB |
| Operating Temperature Range | -25°C ~ 85°C |
| Package / Case | 0805 (2012 Metric) |
| Mounting Type | Surface Mount, MLCC |
| Size / Dimension | 0.079" L x 0.049" W (2.00mm x 1.25mm) |
| Thickness (Max) | 0.022" (0.55mm) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the CGB4B3JB1A225M055AB is determined by the following critical parameters:
Mandatory Compatibility Parameters:
- Capacitance: 2.2 µF (exact match required)
- Package / Case: 0805 (2012 Metric) (physical footprint compatibility)
- Mounting Type: Surface Mount, MLCC (assembly process compatibility)
- Size / Dimension: 0.079" L x 0.049" W (2.00mm x 1.25mm) (PCB layout compatibility)
Allowable Variation Parameters:
- Voltage - Rated: 10V or higher (substitutes must meet or exceed rated voltage)
- Tolerance: ±10% or ±20% (tighter tolerance acceptable)
- Temperature Coefficient: JB, X5R, X6S, or X7R (different coefficients acceptable if operating temperature range is maintained or extended)
- Operating Temperature Range: -25°C ~ 85°C or wider (extended range acceptable)
Substitute parts are grouped into three categories based on voltage rating and temperature coefficient characteristics:
Category 1 - Same Voltage (10V), JB Temperature Coefficient: CGB4B3JB1A225K055AB (±10% tolerance variant)
Category 2 - Higher Voltage (16V-25V), JB Temperature Coefficient: CGB4B3JB1C225K055AB (16V, ±10%) CGB4B3JB1C225M055AB (16V, ±20%) CGB4B1JB1E225K055AC (25V, ±10%) CGB4B1JB1E225M055AC (25V, ±20%)
Category 3 - Higher Voltage (16V-25V), Extended Temperature Coefficient (X5R, X6S, X7R): CGB4B1X5R1E225K055AC (25V, X5R, ±10%) CGB4B1X5R1E225M055AC (25V, X5R, ±20%) CGB4B1X6S1C225K055AC (16V, X6S, ±10%) CGB4B1X6S1C225M055AC (16V, X6S, ±20%) CGB4B1X7R1A225K055AC (10V, X7R, ±10%)
Parameter Comparison
| Part Number | Capacitance | Tolerance | Voltage | Temp Coeff | Operating Temp | Package | Inventory |
|---|---|---|---|---|---|---|---|
| CGB4B3JB1A225M055AB | 2.2 µF | ±20% | 10V | JB | -25°C ~ 85°C | 0805 | 4935 Pcs |
| CGB4B3JB1A225K055AB | 2.2 µF | ±10% | 10V | JB | -25°C ~ 85°C | 0805 | 4859 Pcs |
| CGB4B3JB1C225K055AB | 2.2 µF | ±10% | 16V | JB | -25°C ~ 85°C | 0805 | 3546 Pcs |
| CGB4B3JB1C225M055AB | 2.2 µF | ±20% | 16V | JB | -25°C ~ 85°C | 0805 | 5057 Pcs |
| CGB4B1JB1E225K055AC | 2.2 µF | ±10% | 25V | JB | -25°C ~ 85°C | 0805 | 2442 Pcs |
| CGB4B1JB1E225M055AC | 2.2 µF | ±20% | 25V | JB | -25°C ~ 85°C | 0805 | 4298 Pcs |
| CGB4B1X5R1E225K055AC | 2.2 µF | ±10% | 25V | X5R | -55°C ~ 85°C | 0805 | 2346 Pcs |
| CGB4B1X5R1E225M055AC | 2.2 µF | ±20% | 25V | X5R | -55°C ~ 85°C | 0805 | 1478 Pcs |
| CGB4B1X6S1C225K055AC | 2.2 µF | ±10% | 16V | X6S | -55°C ~ 105°C | 0805 | 8647 Pcs |
| CGB4B1X6S1C225M055AC | 2.2 µF | ±20% | 16V | X6S | -55°C ~ 105°C | 0805 | 5895 Pcs |
| CGB4B1X7R1A225K055AC | 2.2 µF | ±10% | 10V | X7R | -55°C ~ 125°C | 0805 | 93281 Pcs |
Engineering Selection Recommendations
Direct Replacement (Same Voltage, Same Temperature Coefficient): CGB4B3JB1A225K055AB provides direct substitution with identical electrical and thermal characteristics. The only difference is tighter tolerance (±10% vs ±20%), which is acceptable for general-purpose applications. Both parts are ROHS3 compliant and MSL 1 rated.
Voltage Upgrade Path (Higher Voltage Rating): Parts rated at 16V or 25V are suitable substitutes when circuit design permits higher voltage operation. These include CGB4B3JB1C225K055AB, CGB4B3JB1C225M055AB, CGB4B1JB1E225K055AC, and CGB4B1JB1E225M055AC. All maintain JB temperature coefficient and -25°C ~ 85°C operating range. Higher voltage rating provides additional design margin without affecting form factor or mounting compatibility.
Extended Temperature Range Substitutes (X5R, X6S, X7R Coefficients): CGB4B1X5R1E225K055AC, CGB4B1X5R1E225M055AC, CGB4B1X6S1C225K055AC, CGB4B1X6S1C225M055AC, and CGB4B1X7R1A225K055AC offer extended operating temperature ranges (-55°C minimum and/or 105°C-125°C maximum). These are suitable when applications require operation beyond the original -25°C ~ 85°C specification. All substitute parts maintain ROHS3 compliance and MSL 1 rating.
Highest Availability Option: CGB4B1X7R1A225K055AC offers the largest inventory (93,281 Pcs) with extended temperature range (-55°C ~ 125°C), making it the most readily available substitute for production continuity.
Frequently Asked Questions (FAQ)
Q: Can I use a 25V rated capacitor in place of the 10V original part? A: Yes. Higher voltage-rated capacitors are electrically compatible substitutes. The 10V circuit will operate safely with a 25V-rated component. Voltage rating indicates the maximum safe operating voltage; using a higher-rated part does not affect circuit performance.
Q: What is the difference between JB and X5R temperature coefficients? A: JB temperature coefficient specifies capacitance change over -25°C ~ 85°C operating range. X5R specifies change over -55°C ~ 85°C. X5R provides wider temperature stability. For applications operating within -25°C ~ 85°C, both are functionally equivalent. X5R is preferred for extended low-temperature operation.
Q: Are ±10% and ±20% tolerance parts interchangeable? A: Yes, for general-purpose applications. ±10% tolerance (tighter) is a direct upgrade to ±20% tolerance (looser). If circuit design requires ±20% tolerance, ±10% parts are acceptable. If design requires ±10%, ±20% parts may not meet specifications.
Q: Does the 0805 package dimension apply to all substitutes? A: Yes. All listed substitutes use identical 0805 (2012 Metric) package with 0.079" L x 0.049" W (2.00mm x 1.25mm) dimensions and 0.022" (0.55mm) maximum thickness. PCB footprints and assembly processes are fully compatible.
Q: Why is CGB4B1X7R1A225K055AC recommended as the primary substitute? A: This part combines highest inventory availability (93,281 Pcs), extended temperature range (-55°C ~ 125°C), and identical 10V voltage rating to the original. It provides superior thermal performance with no design modifications required.
Q: Are all substitutes ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original part's environmental certifications.
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