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MF-SMHT136-2-6 Equivalent & Substitute Parts
Part Overview
The MF-SMHT136-2-6 is a polymeric PTC resettable fuse manufactured by Bourns Inc. as part of the Multifuse® MF-SMHT series. This surface mount component is rated for 16V maximum voltage with a hold current of 1.36A and trip current of 2.72A. The part is currently active in production and maintains AEC-Q200 automotive qualification. Substitute parts are identified when packaging or inventory requirements necessitate alternative sourcing while maintaining identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Voltage - Max | 16V |
| Current - Hold (Ih) (Max) | 1.36 A |
| Current - Trip (It) | 2.72 A |
| Current - Max | 100 A |
| Time to Trip | 10 s |
| Resistance - Initial (Ri) (Min) | 85 mOhms |
| Resistance - Post Trip (R1) (Max) | 330 mOhms |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 2-SMD |
| Size / Dimension | 0.314" L x 0.264" W (7.98mm x 6.71mm) |
| Thickness (Max) | 0.118" (3.00mm) |
| Type | Polymeric |
| Ratings | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
The MF-SMHT136-2 qualifies as a parametric equivalent to the MF-SMHT136-2-6 based on identical electrical and mechanical specifications. Substitution is valid when the following criteria are met:
- Voltage rating: 16V maximum
- Hold current: 1.36A
- Trip current: 2.72A
- Operating temperature range: -40°C to 125°C
- Package type: 2-SMD surface mount
- Physical dimensions: 7.98mm L x 6.71mm W x 3.00mm maximum thickness
- Polymeric PTC resettable fuse technology
- AEC-Q200 qualification maintained
- ROHS3 compliance and REACH unaffected status
The primary distinction between MF-SMHT136-2-6 and MF-SMHT136-2 is packaging format: the former uses standard packaging while the latter is supplied in Tape & Reel (TR) format. Both parts are manufactured by Bourns Inc. within the same Multifuse® MF-SMHT series and maintain active product status.
Parameter Comparison
| Parameter | MF-SMHT136-2-6 | MF-SMHT136-2 |
|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. |
| Series | Multifuse®, MF-SMHT | Multifuse®, MF-SMHT |
| Product Status | Active | Active |
| Type | Polymeric | Polymeric |
| Voltage - Max | 16V | 16V |
| Current - Hold (Ih) (Max) | 1.36 A | 1.36 A |
| Current - Trip (It) | 2.72 A | 2.72 A |
| Current - Max | 100 A | 100 A |
| Time to Trip | 10 s | 10 s |
| Resistance - Initial (Ri) (Min) | 85 mOhms | 85 mOhms |
| Resistance - Post Trip (R1) (Max) | 330 mOhms | 330 mOhms |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Ratings | AEC-Q200 | AEC-Q200 |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 2-SMD | 2-SMD |
| Size / Dimension | 0.314" L x 0.264" W (7.98mm x 6.71mm) | 0.314" L x 0.264" W (7.98mm x 6.71mm) |
| Thickness (Max) | 0.118" (3.00mm) | 0.118" (3.00mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| Packaging Format | Standard | Tape & Reel (TR) |
Engineering Selection Recommendations
Both MF-SMHT136-2-6 and MF-SMHT136-2 are suitable for applications requiring a 16V polymeric PTC resettable fuse with 1.36A hold current. Selection between these parts should be based on procurement and assembly requirements:
The MF-SMHT136-2-6 is appropriate for applications with standard packaging requirements and lower volume needs. The MF-SMHT136-2 in Tape & Reel format is suitable for high-volume automated assembly operations where continuous reel feeding is required.
Both parts maintain active product status from Bourns Inc., carry AEC-Q200 automotive qualification, and comply with ROHS3 and REACH regulatory requirements. Electrical performance, thermal characteristics, and mechanical compatibility are identical across both variants.
Frequently Asked Questions (FAQ)
Q: Can MF-SMHT136-2 be used as a direct replacement for MF-SMHT136-2-6?
A: Yes. Both parts are electrically and mechanically identical. The only difference is packaging format: MF-SMHT136-2-6 uses standard packaging while MF-SMHT136-2 is supplied in Tape & Reel format. Substitution is valid for any application where the electrical specifications match the circuit requirements.
Q: What are the critical parameters that define substitution eligibility?
A: Substitution is valid when voltage rating (16V), hold current (1.36A), trip current (2.72A), operating temperature range (-40°C to 125°C), and physical dimensions (7.98mm x 6.71mm x 3.00mm) remain constant. All other parameters must also match exactly.
Q: Does packaging format affect electrical performance?
A: No. Tape & Reel packaging (MF-SMHT136-2) and standard packaging (MF-SMHT136-2-6) contain identical components with identical electrical characteristics. Packaging format only affects handling, storage, and assembly processes.
Q: Are both parts suitable for automotive applications?
A: Yes. Both MF-SMHT136-2-6 and MF-SMHT136-2 carry AEC-Q200 qualification, confirming suitability for automotive-grade applications.
Q: What is the moisture sensitivity level for these parts?
A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.
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