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TAP105M025GSB Equivalent & Substitute Parts
Part Overview
The TAP105M025GSB is a 1 µF conformal coated tantalum capacitor rated for 25 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 become necessary when addressing design requirements for higher voltage ratings, improved tolerance specifications, or alternative packaging configurations while maintaining core electrical and mechanical compatibility.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 1 µF |
| Voltage Rating | 25 V |
| Tolerance | ±20% |
| Type | Conformal Coated Tantalum |
| ESR | 10 Ohm |
| Operating Temperature Range | -55°C to 125°C |
| Mounting Type | Through Hole Radial |
| Package Size Code | A (0.177" Dia / 4.50mm) |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the TAP105M025GSB is determined by the following criteria:
Primary Compatibility Parameters:
- Capacitance value: 1 µF (fixed requirement)
- Mounting type: Through hole radial (fixed requirement)
- Package size code: A (fixed requirement)
- Operating temperature range: -55°C to 125°C (fixed requirement)
- Conformal coating type (fixed requirement)
Variable Parameters Allowing Substitution:
- Voltage rating: May be equal or higher than 25 V
- Tolerance: May be ±20% or tighter (±10%)
- ESR: May be equal or lower than 10 Ohm
- Lead spacing: May vary within mechanical constraints
Substitute parts TAP105K035GSB and TAP105M035GSB provide higher voltage ratings (35 V) with identical or improved electrical characteristics. TAP105M025SCS maintains the same voltage and tolerance but offers alternative lead spacing configuration.
Parameter Comparison
| Parameter | TAP105M025GSB (Main) | TAP105K035GSB (Upgrade) | TAP105M035GSB (Upgrade) | TAP105M025SCS (MFR Recommended) |
|---|---|---|---|---|
| Capacitance | 1 µF | 1 µF | 1 µF | 1 µF |
| Voltage Rating | 25 V | 35 V | 35 V | 25 V |
| Tolerance | ±20% | ±10% | ±20% | ±20% |
| ESR | 10 Ohm | 8 Ohm | 8 Ohm | 10 Ohm |
| Type | Conformal Coated | Conformal Coated | Conformal Coated | Conformal Coated |
| Operating Temperature | -55°C to 125°C | -55°C to 125°C | -55°C to 125°C | -55°C to 125°C |
| Mounting Type | Through Hole Radial | Through Hole Radial | Through Hole Radial | Through Hole Radial |
| Package Size Code | A | A | A | A |
| Height - Seated (Max) | 0.335" (8.50mm) | 0.335" (8.50mm) | 0.335" (8.50mm) | 0.276" (7.00mm) |
| Lead Spacing | 0.125" (3.18mm) | 0.125" (3.18mm) | 0.125" (3.18mm) | 0.098" (2.50mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
TAP105K035GSB serves as an upgrade option when circuit design requires higher voltage margin (35 V vs. 25 V) with improved tolerance specification (±10% vs. ±20%). This part maintains identical package dimensions and lead spacing while reducing ESR to 8 Ohm. All compliance certifications remain equivalent to the main part.
TAP105M035GSB provides voltage upgrade capability (35 V) while maintaining the ±20% tolerance specification. ESR improvement to 8 Ohm and identical package footprint make this suitable for designs requiring voltage derating without tolerance tightening. Compliance status is equivalent to the main part.
TAP105M025SCS is the manufacturer-recommended equivalent for the TAP105M025GSB, maintaining identical electrical specifications (1 µF, 25 V, ±20%, 10 Ohm ESR). This part features reduced lead spacing (0.098" vs. 0.125") and lower seated height (0.276" vs. 0.335"), making it suitable for space-constrained PCB layouts. All compliance certifications match the main part.
Selection between upgrade options depends on circuit voltage requirements and tolerance specifications. Selection of the MFR-recommended part depends on PCB layout constraints and lead spacing compatibility.
Frequently Asked Questions (FAQ)
Q: Can TAP105K035GSB or TAP105M035GSB be used as direct replacements for TAP105M025GSB?
A: Yes, both 35 V rated parts are electrically compatible as direct replacements. The higher voltage rating provides additional design margin. TAP105K035GSB offers tighter tolerance (±10%), while TAP105M035GSB maintains ±20% tolerance matching the original part. Both maintain identical package dimensions and lead spacing.
Q: What is the difference between TAP105K035GSB and TAP105M035GSB?
A: The primary difference is tolerance specification. TAP105K035GSB is rated ±10%, while TAP105M035GSB is rated ±20%. Both operate at 35 V with 8 Ohm ESR and identical physical dimensions. Selection depends on circuit tolerance requirements.
Q: Is TAP105M025SCS a direct pin-for-pin replacement?
A: TAP105M025SCS maintains electrical equivalence but features different lead spacing (0.098" vs. 0.125") and reduced seated height (0.276" vs. 0.335"). PCB layout compatibility must be verified before substitution. This part is suitable for compact designs where reduced spacing and height are advantageous.
Q: Are all substitute parts ROHS3 compliant?
A: Yes, all listed substitute parts maintain ROHS3 compliance status identical to the main part TAP105M025GSB.
Q: What determines whether a tantalum capacitor can substitute for TAP105M025GSB?
A: Substitution requires matching capacitance (1 µF), mounting type (through hole radial), package size code (A), and operating temperature range (-55°C to 125°C). Voltage rating may be equal or higher, tolerance may be equal or tighter, and ESR may be equal or lower. Lead spacing and seated height must be compatible with PCB layout.
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