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TAP334M035SCS Equivalent & Substitute Parts
Part Overview
The TAP334M035SCS is a 0.33 µF conformal coated tantalum capacitor rated for 35 V operation in a radial through-hole package. Manufactured by KYOCERA AVX, this component is classified as Active product status and is suitable for general-purpose applications requiring reliable energy storage in compact form factors. Substitute parts are identified when design requirements permit tolerance upgrades, voltage rating increases, or inventory optimization while maintaining electrical and mechanical compatibility.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 0.33 µF |
| Tolerance | ±20% |
| Voltage Rating | 35 V |
| Type | Conformal Coated |
| ESR | 15 Ohm |
| Mounting Type | Through Hole |
| Package | Radial |
| Size Code | A (0.177" Dia / 4.50mm) |
| Operating Temperature Range | -55°C to 125°C |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the TAP334M035SCS is determined by the following criteria:
Mandatory Compatibility Parameters:
- Capacitance value: 0.33 µF (fixed)
- Mounting type: Through Hole (fixed)
- Package type: Radial (fixed)
- Physical dimensions: 0.177" Dia / 4.50mm (fixed)
- ESR: 15 Ohm (fixed)
- Conformal coating: Required (fixed)
Allowable Variation Parameters:
- Tolerance: May upgrade from ±20% to ±10%
- Voltage rating: May upgrade from 35 V to 50 V or higher
- Product status: Must remain Active
Both identified substitutes maintain all mandatory parameters while offering improvements in tolerance specification and/or voltage rating capability.
Parameter Comparison
| Parameter | TAP334M035SCS | TAP334K035SCS | TAP334K050SCS |
|---|---|---|---|
| Manufacturer | KYOCERA AVX | KYOCERA AVX | KYOCERA AVX |
| Capacitance | 0.33 µF | 0.33 µF | 0.33 µF |
| Tolerance | ±20% | ±10% | ±10% |
| Voltage Rating | 35 V | 35 V | 50 V |
| Type | Conformal Coated | Conformal Coated | Conformal Coated |
| ESR | 15 Ohm | 15 Ohm | 15 Ohm |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | Radial | Radial | Radial |
| Size / Dimension | 0.177" Dia (4.50mm) | 0.177" Dia (4.50mm) | 0.177" Dia (4.50mm) |
| Height - Seated (Max) | 0.276" (7.00mm) | 0.276" (7.00mm) | 0.276" (7.00mm) |
| Lead Spacing | 0.098" (2.50mm) | 0.098" (2.50mm) | 0.098" (2.50mm) |
| Operating Temperature | -55°C to 125°C | -55°C to 125°C | -55°C to 125°C |
| Lifetime @ Temp. | 1000 Hrs @ 85°C | 1000 Hrs @ 85°C | 1000 Hrs @ 85°C |
| Product Status | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
TAP334K035SCS is a direct functional upgrade of the TAP334M035SCS. It maintains identical electrical and mechanical specifications while improving tolerance from ±20% to ±10%. This substitution is applicable when circuit design requires tighter capacitance accuracy. Both parts carry Active product status and ROHS3 compliance.
TAP334K050SCS provides both tolerance improvement (±20% to ±10%) and voltage rating elevation (35 V to 50 V). This substitution is applicable when circuit operating conditions permit higher voltage margin or when design specifications require enhanced voltage headroom. The part maintains identical physical dimensions, ESR characteristics, and thermal performance. Both parts carry Active product status and ROHS3 compliance.
Selection between substitutes depends on circuit voltage requirements and tolerance specifications. All three parts are ROHS3 compliant and REACH unaffected, supporting equivalent regulatory compliance.
Frequently Asked Questions (FAQ)
Q: Can TAP334K035SCS replace TAP334M035SCS in existing designs? A: Yes. TAP334K035SCS is electrically and mechanically compatible. The tolerance improvement from ±20% to ±10% makes it suitable for applications where the original tolerance was acceptable. No circuit modifications are required.
Q: What is the primary difference between TAP334K035SCS and TAP334K050SCS? A: Both parts share ±10% tolerance and identical physical dimensions. TAP334K050SCS is rated for 50 V operation compared to 35 V for TAP334K035SCS. Select TAP334K050SCS when circuit voltage exceeds 35 V or when additional voltage margin is required.
Q: Are all three parts physically interchangeable? A: Yes. All three parts share identical radial package dimensions (0.177" Dia / 4.50mm), height (0.276" / 7.00mm), and lead spacing (0.098" / 2.50mm). Direct PCB footprint compatibility is confirmed.
Q: Do substitute parts maintain the same thermal and reliability characteristics? A: Yes. All three parts specify identical operating temperature range (-55°C to 125°C) and lifetime rating (1000 Hrs @ 85°C). ESR remains constant at 15 Ohm across all variants.
Q: Are there any compliance differences between the main part and substitutes? A: No. All three parts are ROHS3 compliant, REACH unaffected, and classified under identical ECCN (EAR99) and HTSUS (8532.21.0040) codes.
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