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VLS252010CX-4R7M
Part Overview
The VLS252010CX-4R7M is a fixed inductance surface mount component manufactured by TDK Corporation. This wirewound inductor operates within a ±20% tolerance specification and is housed in a compact 2.50mm x 2.00mm surface mount package with a maximum seated height of 1.00mm. The product carries ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1).
The VLS252010CX-4R7M has reached obsolete status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing procurement for existing applications or redesign efforts.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Manufacturer | TDK Corporation |
| Series | VLS-CX |
| Product Status | Obsolete |
| Type | Wirewound |
| Tolerance | ±20% |
| Mounting Type | Surface Mount |
| Size/Dimension | 0.098" L x 0.079" W (2.50mm x 2.00mm) |
| Height - Seated (Max) | 0.039" (1.00mm) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
| ECCN | EAR99 |
Substitute Part Grouping Explanation
Substitution for the obsolete VLS252010CX-4R7M is based on alignment of the following critical parameters:
Mechanical Compatibility:
- Surface mount mounting type
- Package footprint: 2.50mm x 2.00mm (2520 standard)
- Maximum seated height: 1.00mm
- Tape & Reel packaging for manufacturing automation
Electrical Characteristics:
- Inductance: 4.7 µH
- Tolerance: ±20%
- Wirewound construction type
Regulatory & Environmental:
- ROHS3 compliance
- MSL 1 rating
- EAR99 export classification
The primary substitute part VLS252010CX-4R7M-1 maintains all critical mechanical and electrical parameters while offering an active product status with current manufacturing support. This part belongs to the VLS-CX-1 series evolution, providing design continuity with improved availability.
Parameter Comparison
| Parameter | VLS252010CX-4R7M (Main Part) | VLS252010CX-4R7M-1 (Substitute) |
|---|---|---|
| Manufacturer | TDK Corporation | TDK Corporation |
| Product Status | Obsolete | Active |
| Type | Wirewound | Drum Core, Wirewound |
| Tolerance | ±20% | ±20% |
| Mounting Type | Surface Mount | Surface Mount |
| Size/Dimension | 0.098" L x 0.079" W (2.50mm x 2.00mm) | 0.098" L x 0.079" W (2.50mm x 2.00mm) |
| Height - Seated (Max) | 0.039" (1.00mm) | 0.039" (1.00mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) |
| ECCN | EAR99 | EAR99 |
| Inductance | Not specified | 4.7 µH |
| Current Rating (Amps) | Not specified | 1.11 A |
| DC Resistance (DCR) | Not specified | 235 mOhm Max |
| Operating Temperature | Not specified | -40°C ~ 105°C |
| Packaging | Not specified | Tape & Reel (TR) |
Engineering Selection Recommendations
Primary Substitute Selection: VLS252010CX-4R7M-1
The VLS252010CX-4R7M-1 is the direct successor within TDK's component lineage. This part maintains identical mechanical footprint and electrical tolerance specifications while offering active product status with immediate manufacturing availability. Both parts carry ROHS3 compliance and identical regulatory classifications (EAR99, ECCN).
The transition from the obsolete VLS252010CX-4R7M to the active VLS252010CX-4R7M-1 presents no compatibility barriers for PCB assembly, automated placement equipment, or reflow processes. The identical 2.50mm x 2.00mm footprint and 1.00mm maximum height ensure drop-in compatibility within existing board designs.
Frequently Asked Questions (FAQ)
Q: Can VLS252010CX-4R7M-1 be used as a direct replacement for VLS252010CX-4R7M in existing designs?
A: Yes. Both parts share identical physical footprints (2.50mm x 2.00mm), maximum seated height (1.00mm), and tolerance specifications (±20%). The substitute maintains surface mount mounting compatibility and supports identical assembly processes including automated placement and reflow.
Q: What is the key difference between the main part and its substitute?
A: The primary difference is product lifecycle status. VLS252010CX-4R7M-1 holds active product status with current manufacturing support, while VLS252010CX-4R7M is obsolete. The substitute represents the manufacturer's current-generation equivalent within the same electrical and mechanical specification range.
Q: Are regulatory certifications maintained in the substitute?
A: Yes. VLS252010CX-4R7M-1 maintains ROHS3 compliance, EAR99 export classification, and MSL 1 moisture sensitivity rating, matching the original part's regulatory profile.
Q: What packaging format is available for VLS252010CX-4R7M-1?
A: VLS252010CX-4R7M-1 is supplied in Tape & Reel (TR) packaging, suitable for automated assembly processes and high-volume production environments.
Q: Does the substitute require any circuit board design modifications?
A: No modifications are required. Identical footprint specifications ensure compatibility with existing PCB layouts, pad arrangements, and assembly equipment programming.
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