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UP025SL2R2D-B-BZ Equivalent & Substitute Parts
Part Overview
The UP025SL2R2D-B-BZ is a 2.2 pF ceramic capacitor manufactured by Taiyo Yuden, rated for 50V operation with SL temperature coefficient characteristics. This component is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity. The part features axial through-hole mounting with straight leads, suitable for general-purpose applications requiring low-capacitance filtering and coupling functions.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 2.2 pF |
| Tolerance | ±0.5pF |
| Voltage Rating | 50V |
| Temperature Coefficient | SL |
| Operating Temperature Range | -25°C ~ 85°C |
| Mounting Type | Through Hole |
| Package Type | Axial |
| Lead Style | Straight |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the UP025SL2R2D-B-BZ is determined by the following critical parameters:
Electrical Compatibility Requirements:
- Capacitance value must be 2.2 pF
- Tolerance must be ±0.5pF or tighter
- Voltage rating must equal or exceed 50V
- Temperature coefficient must maintain circuit performance within specified operating range
Mechanical Compatibility Requirements:
- Mounting type must be through-hole
- Package configuration must be axial
- Lead style must be straight
- Physical dimensions must accommodate existing PCB layouts
The substitute part MA101A2R2DAA meets these criteria with identical capacitance and tolerance specifications, higher voltage rating (100V), and compatible axial through-hole configuration. The enhanced voltage rating and C0G/NP0 temperature coefficient provide superior performance margin and temperature stability compared to the original SL specification.
Parameter Comparison
| Parameter | UP025SL2R2D-B-BZ (Main Part) | MA101A2R2DAA (Substitute) |
|---|---|---|
| Manufacturer | Taiyo Yuden | KYOCERA AVX |
| Capacitance | 2.2 pF | 2.2 pF |
| Tolerance | ±0.5pF | ±0.5pF |
| Voltage Rating | 50V | 100V |
| Temperature Coefficient | SL | C0G, NP0 |
| Operating Temperature Range | -25°C ~ 85°C | -55°C ~ 125°C |
| Mounting Type | Through Hole | Through Hole |
| Package Type | Axial | Axial |
| Lead Style | Straight | Straight |
| Size / Dimension | 0.079" Dia x 0.091" L (2.00mm x 2.30mm) | 0.090" Dia x 0.160" L (2.29mm x 4.07mm) |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Obsolete | Active |
| ECCN | EAR99 | EAR99 |
Engineering Selection Recommendations
The MA101A2R2DAA ceramic capacitor from KYOCERA AVX serves as a direct functional substitute for the obsolete UP025SL2R2D-B-BZ. Both components maintain identical capacitance and tolerance specifications (2.2 pF ±0.5pF) with compatible through-hole axial mounting configurations.
Advantages of MA101A2R2DAA:
- Active product status ensures long-term availability and supply chain continuity
- Doubled voltage rating (100V versus 50V) provides increased design margin
- C0G/NP0 temperature coefficient delivers superior temperature stability across extended operating range (-55°C ~ 125°C)
- Equivalent moisture sensitivity classification (MSL 1) maintains reliability characteristics
Physical Consideration: The substitute part exhibits slightly larger physical dimensions (0.090" Dia x 0.160" L versus 0.079" Dia x 0.091" L). PCB layout verification is required to confirm accommodation of the increased axial length within existing component placement constraints.
Both parts carry identical ECCN classification (EAR99) and maintain equivalent export compliance status.
Frequently Asked Questions (FAQ)
Q: Can MA101A2R2DAA replace UP025SL2R2D-B-BZ in existing designs?
A: Yes. Both components share identical capacitance (2.2 pF) and tolerance (±0.5pF) specifications. The substitute part's higher voltage rating (100V) and superior temperature coefficient (C0G/NP0) provide enhanced performance. Physical dimensions differ slightly; PCB layout verification is necessary to confirm fit within existing component placement.
Q: What is the primary difference between these two parts?
A: The main differences are product status (obsolete versus active), voltage rating (50V versus 100V), temperature coefficient (SL versus C0G/NP0), and operating temperature range (-25°C ~ 85°C versus -55°C ~ 125°C). Electrical performance at the 2.2 pF capacitance value remains equivalent.
Q: Are there any compliance or certification differences?
A: Both parts carry EAR99 ECCN classification and MSL 1 moisture sensitivity rating. The substitute part is RoHS non-compliant and REACH Affected, whereas the original part specifications do not indicate these compliance statuses. Design compliance requirements must be evaluated against project specifications.
Q: Does the larger physical size of MA101A2R2DAA create installation issues?
A: The substitute part measures 0.090" Dia x 0.160" L compared to 0.079" Dia x 0.091" L for the original. The increased axial length requires verification against PCB layout constraints and component spacing requirements. Radial diameter increase is minimal (0.011" difference).
Q: What is the significance of the C0G/NP0 temperature coefficient?
A: C0G/NP0 designation indicates negligible capacitance change across temperature extremes, providing superior stability compared to SL coefficient. This characteristic is advantageous for precision circuits and applications requiring consistent performance across wide temperature ranges.
Q: Are both parts suitable for general-purpose applications?
A: Yes. Both components are specified for general-purpose applications. The substitute part's enhanced specifications (higher voltage, better temperature stability) make it suitable for a broader range of circuit requirements while maintaining backward compatibility with the original design intent.
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