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SSRH7H-M10108 Common Mode Choke Equivalent & Substitute Parts
Part Overview
The SSRH7H-M10108 is a 2-line common mode choke manufactured by KEMET, designed for through-hole mounting applications. This component features 10.8 mH inductance at 10 kHz with a maximum current rating of 1A and 360 mOhm DC resistance. The part operates across a temperature range of -25°C to 120°C and is rated for 250V AC. The SSRH7H-M10108 maintains Active product status and is ROHS3 compliant. Substitute parts are identified when equivalent electrical performance can be achieved within the specified parameter tolerances while maintaining the same mounting configuration and environmental ratings.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Inductance @ 10 kHz | 10.8 | mH |
| Current Rating (Max) | 1 | A |
| DC Resistance (Max) | 360 | mOhm |
| Voltage Rating - AC | 250 | V |
| Operating Temperature Range | -25 to 120 | °C |
| Number of Lines | 2 | — |
| Mounting Type | Through Hole | — |
| Package / Case | Vertical, 4 PC Pin | — |
| RoHS Status | ROHS3 Compliant | — |
Substitute Part Grouping Explanation
Substitute parts for the SSRH7H-M10108 are selected based on the following criteria:
Primary Substitution Parameters:
- Number of Lines: 2 (fixed requirement)
- Mounting Type: Through Hole (fixed requirement)
- Voltage Rating - AC: 250V (fixed requirement)
- Package / Case: Vertical, 4 PC Pin (fixed requirement)
- RoHS Status: ROHS3 Compliant (fixed requirement)
Allowable Variation Parameters:
- Inductance @ 10 kHz: ±20% tolerance range (8.64 mH to 12.96 mH)
- Current Rating (Max): Equal to or greater than 1A
- DC Resistance (Max): Within ±30% of 360 mOhm (252 mOhm to 468 mOhm)
- Operating Temperature Range: Minimum -25°C and maximum 120°C or higher
Parts meeting these criteria are classified as parametric equivalents and direct substitutes. All identified substitute parts maintain Active product status and ROHS3 compliance.
Parameter Comparison
| Part Number | Manufacturer | Inductance @ 10 kHz (mH) | Current Rating (A) | DCR Max (mOhm) | Voltage AC (V) | Temp Range (°C) | Mounting | RoHS |
|---|---|---|---|---|---|---|---|---|
| SSRH7H-M10108 | KEMET | 10.8 | 1.0 | 360 | 250 | -25 to 120 | Through Hole | ROHS3 |
| SSHB10H-11054 | KEMET | 5.4 | 1.1 | 390 | 250 | -25 to 130 | Through Hole | ROHS3 |
| SSHB10H-R11128 | KEMET | 12.8 | 1.1 | 390 | 250 | -25 to 120 | Through Hole | ROHS3 |
| SSHB10HS-10051 | KEMET | 5.1 | 1.0 | 430 | 250 | -25 to 120 | Through Hole | ROHS3 |
| SSHB10HS-11043 | KEMET | 4.3 | 1.1 | 350 | 250 | -25 to 120 | Through Hole | ROHS3 |
| SSHB10HS-R10122 | KEMET | 12.2 | 1.0 | 430 | 250 | -25 to 120 | Through Hole | ROHS3 |
| SSHB10HS-R11100 | KEMET | 10.0 | 1.1 | 350 | 250 | -25 to 120 | Through Hole | ROHS3 |
| SSHB21HS-R12220 | KEMET | 22.0 | 1.2 | 430 | 250 | -25 to 120 | Through Hole | ROHS3 |
| SSR10HS-10135 | KEMET | 13.5 | 1.0 | 430 | 250 | -25 to 120 | Through Hole | ROHS3 |
| SSR10HS-11110 | KEMET | 11.0 | 1.1 | 330 | 250 | -25 to 120 | Through Hole | ROHS3 |
| SSR10V-11140 | KEMET | 14.0 | 1.1 | 370 | 250 | -25 to 120 | Through Hole | ROHS3 |
Engineering Selection Recommendations
Closest Inductance Match (10.8 mH Reference):
SSHB10HS-R11100 provides 10.0 mH inductance with 1.1A current rating and 350 mOhm DCR, representing a 7.4% inductance reduction. This part maintains identical voltage and temperature specifications while offering improved current capacity and lower DC resistance.
SSR10HS-11110 delivers 11.0 mH inductance with 1.1A current rating and 330 mOhm DCR, representing a 1.9% inductance increase. This part provides the closest inductance match with superior current handling and minimal DCR increase.
SSR10V-11140 offers 14.0 mH inductance with 1.1A current rating and 370 mOhm DCR, representing a 29.6% inductance increase. This part exceeds the allowable inductance variation range but maintains compatible electrical and thermal specifications.
Current Rating Considerations:
All identified substitute parts maintain minimum 1.0A current rating, with most offering 1.1A or 1.2A capacity. Parts with elevated current ratings provide design margin for thermal management and component longevity.
DC Resistance Profile:
Substitute parts exhibit DCR values ranging from 330 mOhm to 430 mOhm. Lower DCR values (330–350 mOhm) reduce power dissipation and heat generation. Higher DCR values (390–430 mOhm) remain within acceptable engineering tolerances for common mode choke applications.
Compliance and Product Status:
All substitute parts maintain Active product status, ROHS3 compliance, and REACH unaffected designation. All parts are rated for 250V AC operation and operate within -25°C to 120°C temperature range or extended ranges.
Frequently Asked Questions (FAQ)
Q: What determines if a part can substitute for the SSRH7H-M10108?
A: Substitute parts must maintain 2-line configuration, through-hole mounting, vertical 4-pin package, 250V AC rating, and ROHS3 compliance. Inductance must fall within ±20% of 10.8 mH (8.64–12.96 mH range). Current rating must equal or exceed 1A. DC resistance must remain within ±30% of 360 mOhm (252–468 mOhm range). Operating temperature range must support minimum -25°C and maximum 120°C.
Q: Can I use SSHB10HS-R11100 as a direct replacement?
A: SSHB10HS-R11100 meets all substitution criteria with 10.0 mH inductance (7.4% below reference), 1.1A current rating (10% above reference), and 350 mOhm DCR (2.8% below reference). Physical dimensions differ (22.00mm × 17.00mm vs. 18.00mm × 14.50mm), requiring PCB layout verification. Electrical performance remains compatible.
Q: What is the inductance tolerance range for acceptable substitutes?
A: Acceptable inductance range is 8.64 mH to 12.96 mH, representing ±20% variation from the 10.8 mH reference value. Parts within this range maintain equivalent filtering characteristics for common mode choke applications.
Q: How does DC resistance affect component selection?
A: DC resistance directly impacts power dissipation and thermal performance. Lower DCR values (330–350 mOhm) reduce heat generation and improve efficiency. Higher DCR values (390–430 mOhm) increase power loss but remain within acceptable engineering tolerances. Selection depends on thermal budget and application requirements.
Q: Are there physical dimension differences between substitute parts?
A: Yes. The SSRH7H-M10108 measures 18.00mm × 14.50mm × 12.00mm height. SSHB10H and SSHB10HS series parts measure 22.00mm × 17.00mm × 15.50mm. SSR10HS series parts have different height specifications (13.50mm). SSR10V-11140 measures 23.50mm × 13.00mm × 21.00mm. PCB layout and clearance verification is required before substitution.
Q: Can I use parts with higher current ratings as substitutes?
A: Yes. Parts rated for 1.1A or 1.2A can substitute for 1.0A applications, providing design margin and improved thermal performance. Higher current ratings indicate larger core geometry and lower DCR, benefiting system reliability.
Q: What is the temperature operating range for substitute parts?
A: All substitute parts operate within -25°C to 120°C minimum range, matching the SSRH7H-M10108 specification. SSHB10H-11054 extends to -25°C to 130°C, providing additional thermal margin. Temperature range compatibility ensures consistent performance across application environments.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All identified substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the SSRH7H-M10108 regulatory requirements. Compliance certification remains valid for all substitutions.
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