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CDR02BX472BKSS Equivalent & Substitute Parts
Part Overview
The CDR02BX472BKSS is a military-grade ceramic capacitor manufactured by KEMET, rated at 4700 pF with 100V voltage rating and ±10% tolerance. This Surface Mount MLCC (Multilayer Ceramic Capacitor) operates across -55°C to 125°C and conforms to MIL-PRF-55681 specifications for high-reliability applications. The part is currently active in production with 864 units in stock. Substitute parts are identified when electrical parameters, mechanical dimensions, and compliance certifications remain identical across manufacturing batches or packaging variants.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 4700 pF |
| Tolerance | ±10% |
| Voltage Rating | 100V |
| Temperature Coefficient | BX |
| Operating Temperature Range | -55°C to 125°C |
| Mounting Type | Surface Mount, MLCC |
| Package / Case | 1805 (4512 Metric) |
| Size | 0.180" L x 0.050" W (4.57mm x 1.27mm) |
| Thickness | 0.055" (1.40mm) |
| Series | Military, MIL-PRF-55681, CDR02 |
| Failure Rate | S (0.001%) |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the CDR02BX472BKSS is determined by strict equivalence across the following parameters: capacitance value (4700 pF), voltage rating (100V), tolerance (±10%), temperature coefficient (BX), operating temperature range (-55°C to 125°C), package type (1805 / 4512 Metric), physical dimensions, series designation (MIL-PRF-55681 CDR02), and failure rate classification (S). The identified substitute CDR02BX472BKUS7185 maintains identical electrical and mechanical specifications. Substitution is valid only when all parameters match exactly; deviation in any single parameter disqualifies the part as a direct equivalent.
Parameter Comparison
| Parameter | CDR02BX472BKSS | CDR02BX472BKUS7185 |
|---|---|---|
| Manufacturer | KEMET | KEMET |
| Capacitance | 4700 pF | 4700 pF |
| Tolerance | ±10% | ±10% |
| Voltage Rating | 100V | 100V |
| Temperature Coefficient | BX | BX |
| Operating Temperature | -55°C to 125°C | -55°C to 125°C |
| Mounting Type | Surface Mount, MLCC | Surface Mount, MLCC |
| Package / Case | 1805 (4512 Metric) | 1805 (4512 Metric) |
| Size | 0.180" L x 0.050" W (4.57mm x 1.27mm) | 0.180" L x 0.050" W (4.57mm x 1.27mm) |
| Thickness | 0.055" (1.40mm) | 0.055" (1.40mm) |
| Series | Military, MIL-PRF-55681, CDR02 | Military, MIL-PRF-55681, CDR02 |
| Failure Rate | S (0.001%) | S (0.001%) |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Active |
| RoHS Status | RoHS non-compliant | RoHS non-compliant |
| REACH Status | REACH Affected | REACH Affected |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8532.24.0020 | 8532.24.0020 |
Engineering Selection Recommendations
Both CDR02BX472BKSS and CDR02BX472BKUS7185 are active production parts with identical electrical performance, mechanical compatibility, and military-grade certifications. Selection between these parts is based on inventory availability and packaging variant requirements. The CDR02BX472BKUS7185 offers higher stock availability (1367 units versus 864 units). Both parts maintain RoHS non-compliant and REACH Affected status, with identical export classification (EAR99) and tariff codes. No technical differentiation exists between these parts for circuit design or application purposes.
Frequently Asked Questions (FAQ)
Q: Can CDR02BX472BKUS7185 be used as a direct replacement for CDR02BX472BKSS? A: Yes. Both parts are parametrically equivalent across all electrical and mechanical specifications, including capacitance, voltage rating, tolerance, temperature coefficient, operating range, package dimensions, and military certifications.
Q: Are there differences in reliability or failure rate between these parts? A: No. Both parts carry identical failure rate classification (S, 0.001%) and moisture sensitivity level (MSL 1, Unlimited).
Q: What determines substitution eligibility for this capacitor? A: Substitution requires exact matching of capacitance (4700 pF), voltage rating (100V), tolerance (±10%), temperature coefficient (BX), operating temperature range (-55°C to 125°C), package type (1805 / 4512 Metric), and series designation (MIL-PRF-55681 CDR02). Deviation in any parameter disqualifies the part.
Q: Are packaging differences between these part numbers significant? A: Both parts are supplied in Tape & Reel (TR) packaging. No functional or mechanical differences exist between packaging variants for these equivalent parts.
Q: Do compliance certifications differ between these parts? A: No. Both parts share identical RoHS status (non-compliant), REACH status (Affected), ECCN classification (EAR99), and HTSUS code (8532.24.0020).
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