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CIB31P700NE Ferrite Bead 70 Ohm 1206 Equivalent & Substitute Parts
Part Overview
The CIB31P700NE is a 1206 surface mount ferrite bead manufactured by Samsung Electro-Mechanics, rated at 70 Ohms impedance at 100 MHz with a maximum current rating of 1.5A and 100mOhm DC resistance. This component is classified as obsolete product status. Due to its obsolete designation, equivalent and substitute ferrite beads with comparable or enhanced electrical and mechanical specifications are available from active manufacturers to support ongoing design requirements and procurement needs.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Impedance @ 100 MHz | 70 Ohms |
| Package / Case | 1206 (3216 Metric) |
| Current Rating (Max) | 1.5A |
| DC Resistance (Max) | 100mOhm |
| Number of Lines | 1 |
| Operating Temperature | -55°C ~ 125°C |
| Mounting Type | Surface Mount |
| Size / Dimension | 0.126" L x 0.063" W (3.20mm x 1.60mm) |
| Height (Max) | 0.051" (1.30mm) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the CIB31P700NE is determined by the following critical parameters: package type (1206/3216 Metric), number of lines (1), operating temperature range (-55°C ~ 125°C), and mechanical dimensions (0.126" L x 0.063" W, 0.051" max height). These parameters are fixed requirements for mechanical and thermal compatibility.
Electrical parameters including impedance at 100 MHz, current rating, and DC resistance define functional equivalence. The CIB31P700NE operates at 70 Ohms impedance with 1.5A maximum current and 100mOhm DC resistance. Substitute parts are grouped into two categories:
Direct Electrical Equivalents: Parts with identical impedance (70 Ohms @ 100 MHz) and compatible current ratings.
Parametric Equivalents: Parts with impedance values within the 60-80 Ohm range at 100 MHz, higher current ratings (3A), and lower DC resistance values (25-40mOhm). These parts provide enhanced performance characteristics while maintaining the same package footprint and thermal specifications.
All substitute candidates meet ROHS3 compliance, MSL Level 1, and the -55°C ~ 125°C operating temperature range.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Impedance @ 100 MHz | Current Rating (Max) | DC Resistance (Max) | Package / Case | Product Status | Operating Temperature | RoHS Status |
|---|---|---|---|---|---|---|---|---|
| CIB31P700NE | Samsung Electro-Mechanics | 70 Ohms | 1.5A | 100mOhm | 1206 (3216 Metric) | Obsolete | -55°C ~ 125°C | ROHS3 Compliant |
| ILB1206ER700V | Vishay Dale | 70 Ohms | 600mA | 100mOhm | 1206 (3216 Metric) | Active | -55°C ~ 125°C | ROHS3 Compliant |
| 74279215 | Würth Elektronik | 80 Ohms | 3A | 30mOhm | 1206 (3216 Metric) | Active | -55°C ~ 125°C | ROHS3 Compliant |
| BBPY00321611800Y00 | Pulse Electronics | 80 Ohms | 3A | 25mOhm | 1206 (3216 Metric) | Active | -55°C ~ 125°C | ROHS3 Compliant |
| FBH321611T-600Y-S | Cal-Chip Electronics, Inc. | 60 Ohms | 3A | 30mOhm | 1206 (3216 Metric) | Active | -55°C ~ 125°C | RoHS Compliant |
| FBH321611T-800Y-S | Cal-Chip Electronics, Inc. | 80 Ohms | 3A | 40mOhm | 1206 (3216 Metric) | Active | -55°C ~ 125°C | RoHS Compliant |
| HCB20-750-RC | Allied Components International | 75 Ohms | 3A | 25mOhm | 1206 (3216 Metric) | Active | -55°C ~ 125°C | RoHS Compliant |
| HCB20-800-RC | Allied Components International | 80 Ohms | 3A | 25mOhm | 1206 (3216 Metric) | Active | -55°C ~ 125°C | RoHS Compliant |
| ILHB1206ER750V | Vishay Dale | 75 Ohms | 3A | 30mOhm | 1206 (3216 Metric) | Active | -55°C ~ 125°C | ROHS3 Compliant |
Engineering Selection Recommendations
Direct Electrical Equivalent:
ILB1206ER700V (Vishay Dale) provides identical impedance at 70 Ohms @ 100 MHz with matching DC resistance of 100mOhm. This part is active product status with ROHS3 compliance and unlimited moisture sensitivity level. The current rating of 600mA is lower than the original 1.5A specification; selection of this part is appropriate for applications where the circuit current requirement does not exceed 600mA.
Parametric Equivalents with Enhanced Performance:
Parts with 75-80 Ohm impedance and 3A current ratings provide higher current capacity and lower DC resistance compared to the original specification. These include:
ILHB1206ER750V (Vishay Dale) at 75 Ohms with 3A rating and 30mOhm DCR, active status, ROHS3 compliant.
HCB20-750-RC (Allied Components International) at 75 Ohms with 3A rating and 25mOhm DCR, active status, RoHS compliant.
HCB20-800-RC (Allied Components International) at 80 Ohms with 3A rating and 25mOhm DCR, active status, RoHS compliant.
74279215 (Würth Elektronik) at 80 Ohms with 3A rating and 30mOhm DCR, active status, ROHS3 compliant.
BBPY00321611800Y00 (Pulse Electronics) at 80 Ohms with 3A rating and 25mOhm DCR, active status, ROHS3 compliant.
FBH321611T-800Y-S (Cal-Chip Electronics, Inc.) at 80 Ohms with 3A rating and 40mOhm DCR, active status, RoHS compliant.
Parametric Equivalent with Lower Impedance:
FBH321611T-600Y-S (Cal-Chip Electronics, Inc.) at 60 Ohms with 3A rating and 30mOhm DCR, active status, RoHS compliant. This part provides lower impedance with enhanced current capacity.
All substitute parts maintain the 1206 package footprint, surface mount configuration, and -55°C ~ 125°C operating temperature range. Selection between direct equivalents and parametric equivalents depends on circuit impedance requirements and maximum current specifications.
Frequently Asked Questions (FAQ)
Q: Can ILB1206ER700V directly replace CIB31P700NE?
A: ILB1206ER700V provides identical electrical specifications at 70 Ohms impedance and 100mOhm DC resistance with the same 1206 package. However, the current rating is 600mA compared to the original 1.5A. Direct replacement is applicable only if circuit current does not exceed 600mA.
Q: What is the difference between direct equivalents and parametric equivalents?
A: Direct equivalents match the impedance value of 70 Ohms @ 100 MHz. Parametric equivalents have impedance values in the 60-80 Ohm range with enhanced current ratings (3A) and lower DC resistance. Parametric equivalents provide improved performance characteristics while maintaining package compatibility.
Q: Are all substitute parts compatible with the 1206 package footprint?
A: All listed substitute parts use the 1206 (3216 Metric) package with identical dimensions of 0.126" L x 0.063" W and 0.051" maximum height. All parts are surface mount components with the same mechanical footprint.
Q: What is the significance of impedance tolerance in ferrite bead selection?
A: Ferrite beads with impedance values between 60-80 Ohms at 100 MHz are functionally compatible in most EMI suppression applications. The original CIB31P700NE operates at 70 Ohms; substitute parts at 75 or 80 Ohms provide slightly higher impedance with enhanced attenuation characteristics. Parts at 60 Ohms provide lower impedance with reduced attenuation.
Q: How does DC resistance affect ferrite bead performance?
A: DC resistance (DCR) represents the resistive loss of the component. Lower DCR values reduce power dissipation and heat generation. Parametric equivalents with 25-30mOhm DCR provide lower losses compared to the original 100mOhm specification, resulting in improved thermal performance in high-current applications.
Q: What is the current rating significance?
A: Current rating defines the maximum continuous current the ferrite bead can handle without exceeding thermal limits. The original CIB31P700NE is rated at 1.5A. Parametric equivalents rated at 3A support higher current applications. Selection must ensure circuit current does not exceed the component's rated maximum.
Q: Are all substitute parts RoHS compliant?
A: All listed substitute parts are RoHS compliant. Most are ROHS3 compliant (Vishay Dale, Würth Elektronik, Pulse Electronics). Cal-Chip Electronics and Allied Components International parts are RoHS compliant. Compliance status is suitable for applications requiring environmental regulations adherence.
Q: What is Moisture Sensitivity Level (MSL) and why is it important?
A: MSL indicates the component's sensitivity to moisture during storage and handling. All listed parts have MSL Level 1 (Unlimited), meaning they have unlimited shelf life and do not require special moisture control during storage or assembly.
Q: Can parametric equivalents with higher impedance be used in all applications?
A: Parametric equivalents with 75-80 Ohm impedance provide higher attenuation than the original 70 Ohm specification. Selection depends on circuit EMI suppression requirements. Higher impedance values increase filtering effectiveness but may affect circuit performance if impedance matching is critical.
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