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FG18C0G1H181JNT06 Equivalent & Substitute Parts
Part Overview
The FG18C0G1H181JNT06 is a 180 pF ceramic capacitor rated at 50V with C0G (NP0) temperature coefficient, manufactured by TDK Corporation in radial through-hole configuration. This part is classified as "Not For New Designs," indicating it has been superseded in TDK's product portfolio. For new applications and ongoing production, equivalent substitute parts with active product status are available to ensure long-term supply continuity and access to current manufacturing processes.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 180 pF |
| Tolerance | ±5% |
| Voltage Rating | 50V |
| Temperature Coefficient | C0G, NP0 |
| Operating Temperature Range | -55°C to 125°C |
| Mounting Type | Through Hole |
| Package Type | Radial |
| Physical Dimensions | 0.157" L × 0.098" W (4.00mm × 2.50mm) |
| Lead Spacing | 0.098" (2.50mm) |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the FG18C0G1H181JNT06 is determined by strict equivalence across the following critical parameters:
- Capacitance value: 180 pF (exact match required)
- Tolerance: ±5% (exact match required)
- Voltage rating: 50V (exact match required)
- Temperature coefficient: C0G, NP0 (exact match required)
- Operating temperature range: -55°C to 125°C (exact match required)
- Mounting configuration: Through Hole Radial (exact match required)
- Physical footprint: 0.157" L × 0.098" W with 0.098" lead spacing (exact match required)
- Regulatory compliance: ROHS3 Compliant (exact match required)
The FA18C0G1H181JNU06 meets all substitution criteria and is classified as an active product with current manufacturing support.
Parameter Comparison
| Parameter | FG18C0G1H181JNT06 (Original) | FA18C0G1H181JNU06 (Substitute) |
|---|---|---|
| Manufacturer | TDK Corporation | TDK Corporation |
| Series | FG | FA |
| Capacitance | 180 pF | 180 pF |
| Tolerance | ±5% | ±5% |
| Voltage Rating | 50V | 50V |
| Temperature Coefficient | C0G, NP0 | C0G, NP0 |
| Operating Temperature | -55°C to 125°C | -55°C to 125°C |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | Radial | Radial |
| Physical Dimensions | 0.157" L × 0.098" W (4.00mm × 2.50mm) | 0.157" L × 0.098" W (4.00mm × 2.50mm) |
| Lead Spacing | 0.098" (2.50mm) | 0.098" (2.50mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Not For New Designs | Active |
| Ratings | — | AEC-Q200 |
| Applications | General Purpose | Automotive |
Engineering Selection Recommendations
The FA18C0G1H181JNU06 is the direct equivalent for the FG18C0G1H181JNT06. The substitute part carries active product status, ensuring ongoing manufacturing support and supply availability. The FA series includes AEC-Q200 automotive qualification, providing additional reliability assurance for applications requiring automotive-grade components. Both parts are ROHS3 compliant and electrically and mechanically identical across all specified parameters. Selection of the FA18C0G1H181JNU06 is appropriate for new designs and production transitions from the legacy FG series.
Frequently Asked Questions (FAQ)
Q: Can the FA18C0G1H181JNU06 be used as a direct replacement for the FG18C0G1H181JNT06 on existing PCBs?
A: Yes. Both parts are identical in physical dimensions, lead spacing, and electrical specifications. No PCB layout modifications are required.
Q: What is the difference between the FG and FA series designations?
A: The FG series is legacy and classified as "Not For New Designs." The FA series is the current active equivalent with AEC-Q200 automotive qualification and ongoing manufacturing support.
Q: Are there any electrical performance differences between these parts?
A: No. Both parts meet identical electrical specifications: 180 pF capacitance, ±5% tolerance, 50V rating, C0G temperature coefficient, and -55°C to 125°C operating range.
Q: Does the AEC-Q200 rating on the FA18C0G1H181JNU06 affect general-purpose applications?
A: No. AEC-Q200 qualification indicates enhanced reliability testing and is applicable to all applications, including general-purpose circuits. It does not restrict use to automotive applications only.
Q: Are both parts available in the same packaging format?
A: Yes. Both parts are supplied in Cut Tape (CT) packaging with radial through-hole configuration and identical physical footprint.
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