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B57560G0502H000 NTC Thermistor - Equivalent & Substitute Parts
Part Overview
The B57560G0502H000 is an NTC (Negative Temperature Coefficient) thermistor manufactured by EPCOS - TDK Electronics, designed for temperature sensing applications. This component features a 5kΩ resistance at 25°C with a glass bead package and through-hole mounting configuration. The part is classified as "Not For New Designs," indicating it has been superseded in the manufacturer's product line. Identifying equivalent substitute parts is necessary for ongoing maintenance, repair, and legacy system support where this component remains in service.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance @ 25°C | 5kΩ |
| Resistance Tolerance | ±3% |
| B Value Tolerance | ±1% |
| B25/85 Value | 3480K |
| Operating Temperature Range | -55°C ~ 200°C |
| Power Dissipation (Max) | 50 mW |
| Mounting Type | Through Hole |
| Package Type | Bead, Glass |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for NTC thermistors is determined by the following criteria:
- Resistance Value: Must match at 25°C (5kΩ required)
- Resistance Tolerance: Must be ±3% or tighter
- B Value Tolerance: Must be ±1% or tighter
- B25/85 Thermal Coefficient: Must be within acceptable range (3480K baseline)
- Operating Temperature Range: Must encompass or exceed the original specification
- Power Dissipation: Must meet or exceed 50 mW requirement
- Package Type: Must be Bead, Glass with Through Hole mounting
- Compliance: Must maintain ROHS3 compliance
The B57560G1502H000 qualifies as a direct substitute based on matching all critical electrical parameters and exceeding the operating temperature range.
Parameter Comparison
| Parameter | B57560G0502H000 (Original) | B57560G1502H000 (Substitute) | Compatibility |
|---|---|---|---|
| Resistance @ 25°C | 5kΩ | 5kΩ | Match |
| Resistance Tolerance | ±3% | ±3% | Match |
| B Value Tolerance | ±1% | ±1% | Match |
| B25/85 Value | 3480K | 3483K | Compatible (3K variance within tolerance) |
| B25/100 Value | 3497K | 3497K | Match |
| Operating Temperature Range | -55°C ~ 200°C | -55°C ~ 300°C | Substitute exceeds specification |
| Power Dissipation (Max) | 50 mW | 50 mW | Match |
| Mounting Type | Through Hole | Through Hole | Match |
| Package Type | Bead, Glass | Bead, Glass | Match |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Match |
Engineering Selection Recommendations
The B57560G1502H000 is the qualified substitute for the B57560G0502H000. Selection is based on the following factors:
- Electrical Equivalence: Both components maintain identical resistance values, tolerances, and B-value characteristics within specified limits.
- Thermal Performance: The substitute component extends the maximum operating temperature to 300°C, providing enhanced thermal capability beyond the original specification of 200°C.
- Compliance Alignment: Both parts maintain ROHS3 compliance and identical regulatory classifications (REACH Unaffected, ECCN EAR99, HTSUS 8533.40.8070).
- Product Status: The substitute is classified as "Active," ensuring ongoing availability and manufacturer support, whereas the original is marked "Not For New Designs."
- Physical Compatibility: Identical package configuration (Bead, Glass) and mounting type (Through Hole) ensure direct mechanical and electrical interchangeability.
Frequently Asked Questions (FAQ)
Q: Can the B57560G1502H000 be used as a direct replacement for the B57560G0502H000?
A: Yes. Both components share identical electrical specifications at the critical operating points (5kΩ @ 25°C, B25/85 within 3K variance, B25/100 match). The substitute maintains all required tolerances and compliance certifications.
Q: What is the significance of the extended operating temperature range in the substitute part?
A: The B57560G1502H000 operates to 300°C versus 200°C for the original. This extended range provides additional thermal margin in applications approaching the upper temperature limit. If your application operates below 200°C, both parts perform identically.
Q: Are there any mechanical differences between these components?
A: Both components use identical Bead, Glass packaging with Through Hole mounting. No mechanical modifications to PCB layouts or mounting fixtures are required.
Q: Why is the original part marked "Not For New Designs"?
A: This designation indicates the manufacturer has superseded the B57560G0502H000 in favor of the B57560G1502H000 series. For new designs, the B57560G1502H000 is the recommended selection. For legacy system maintenance, both parts remain functionally equivalent.
Q: How do the B-value specifications compare?
A: The B25/85 values differ by 3K (3480K vs. 3483K), which falls within the ±1% B Value Tolerance specification. The B25/100 values match exactly at 3497K. This minimal variance ensures thermal response characteristics remain equivalent for practical applications.
Q: Are both parts RoHS compliant?
A: Yes. Both the B57560G0502H000 and B57560G1502H000 are ROHS3 compliant with identical regulatory status (REACH Unaffected, ECCN EAR99).
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