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ECQ-B2153JF Film Capacitor Equivalent & Substitute Parts
Part Overview
The ECQ-B2153JF is a 0.015 µF film capacitor rated for 200V DC with ±5% tolerance, manufactured by Panasonic Electronic Components in the ECQ-B(F) series. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement. The radial through-hole configuration with polyester dielectric serves general-purpose applications requiring stable capacitance across the operating temperature range of -40°C to 105°C.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 0.015 µF |
| Tolerance | ±5% |
| Voltage Rating (DC) | 200V |
| Dielectric Material | Polyester |
| Mounting Type | Through Hole |
| Package Type | Radial |
| Operating Temperature Range | -40°C to 105°C |
| Lead Spacing | 0.295" (7.50mm) |
| Termination | PC Pins |
Substitute Part Grouping Explanation
Substitution for the ECQ-B2153JF is determined by the following critical parameters: capacitance value (0.015 µF), tolerance (±5%), voltage rating (minimum 200V DC), dielectric type (polyester-based), mounting configuration (through-hole radial), and lead spacing (0.295" / 7.50mm). All identified substitutes maintain the same capacitance and tolerance specifications. Voltage ratings of 250V DC exceed the original 200V requirement, providing enhanced margin. Lead spacing compatibility is verified for each substitute to ensure direct board-level replacement capability.
Parameter Comparison
| Parameter | ECQ-B2153JF (Main) | ECQ-E2153JF | 168153J250A-F | B32529C3153J000 |
|---|---|---|---|---|
| Manufacturer | Panasonic | Panasonic | Cornell Dubilier Electronics | EPCOS - TDK Electronics |
| Capacitance | 0.015 µF | 0.015 µF | 0.015 µF | 0.015 µF |
| Tolerance | ±5% | ±5% | ±5% | ±5% |
| Voltage Rating (DC) | 200V | 250V | 250V | 250V |
| Voltage Rating (AC) | — | 150V | 160V | 160V |
| Dielectric Material | Polyester | Polyester, Metallized | Polyester, Metallized | Polyester, PET, Metallized - Stacked |
| Operating Temperature | -40°C to 105°C | -40°C to 105°C | -55°C to 125°C | -55°C to 125°C |
| Package / Case | Radial | Radial | Radial | Radial |
| Lead Spacing | 0.295" (7.50mm) | 0.295" (7.50mm) | 0.197" (5.00mm) | 0.197" (5.00mm) |
| Product Status | Obsolete | Active | Active | Active |
| RoHS Status | — | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
ECQ-E2153JF (Panasonic) is the primary substitute, maintaining identical lead spacing (7.50mm) and operating temperature range (-40°C to 105°C) as the original ECQ-B2153JF. This part is active in production with ROHS3 compliance and represents the most direct replacement for existing board layouts.
168153J250A-F (Cornell Dubilier Electronics) and B32529C3153J000 (EPCOS - TDK Electronics) both feature reduced lead spacing (5.00mm) and extended operating temperature range (-55°C to 125°C). These parts require PCB layout modification due to different lead spacing but offer enhanced temperature performance. B32529C3153J000 carries AEC-Q200 automotive qualification and is suitable for applications requiring automotive-grade reliability.
All three substitutes provide 250V DC rating, exceeding the original 200V specification, and maintain ±5% tolerance and 0.015 µF capacitance across the polyester dielectric family.
Frequently Asked Questions (FAQ)
Q: Can ECQ-E2153JF be used as a direct replacement without PCB modification? A: Yes. ECQ-E2153JF maintains the same 0.295" (7.50mm) lead spacing as ECQ-B2153JF, enabling direct board-level substitution without layout changes.
Q: What is the impact of using 250V-rated substitutes in a 200V application? A: A higher voltage rating provides additional safety margin and does not negatively affect circuit performance. The capacitance, tolerance, and dielectric properties remain functionally equivalent.
Q: Are 168153J250A-F and B32529C3153J000 interchangeable with ECQ-B2153JF? A: Both parts are electrically equivalent but require PCB modification due to 0.197" (5.00mm) lead spacing versus the original 0.295" (7.50mm). Electrical performance is maintained; physical layout compatibility must be verified.
Q: What is the difference between standard polyester and metallized polyester dielectric? A: Metallized polyester dielectric (used in ECQ-E2153JF, 168153J250A-F, and B32529C3153J000) provides self-healing properties and typically offers improved frequency response. Both types maintain the specified 0.015 µF capacitance and ±5% tolerance.
Q: Which substitute is recommended for automotive applications? A: B32529C3153J000 carries AEC-Q200 automotive qualification and is specified for automotive and EMI/RFI suppression applications.
Q: Does operating temperature range affect substitution compatibility? A: ECQ-E2153JF matches the original -40°C to 105°C range. 168153J250A-F and B32529C3153J000 extend to -55°C to 125°C, providing broader environmental capability without compromising the original specification.
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