SL1011B075C Equivalent & Substitute Parts

Part Overview

The SL1011B075C is a Gas Discharge Tube (GDT) rated for 75V DC spark-over voltage with 10kA impulse discharge current capacity in a 2-pole configuration. This component is classified as obsolete, making identification of suitable alternatives essential for ongoing system support and procurement planning. The SL1011B series has been superseded by the SL1411A series, which maintains identical electrical and mechanical specifications while offering active product status and improved availability.

Substiute Parts

SL1011B075C

Littelfuse Inc.In Stock: 879SL1011B075C Datasheet

Current PartRFQ

SL1411A075C

Littelfuse Inc.In Stock: 1056SL1411A075C Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SL1011B075C is determined by strict equivalence across the following critical parameters:

• Voltage - DC Spark Over (Nominal): 75 V
• Impulse Discharge Current (8/20µs): 10000A (10kA)
• Number of Poles: 2
• Package / Case: Cylinder No Lead
• Fail Short characteristic: No
• RoHS Status: ROHS3 Compliant

The SL1411A075C meets all these criteria and is the manufacturer-recommended substitute. Both parts are manufactured by Littelfuse Inc. and share identical electrical performance specifications and physical form factors.

Parameter Comparison

Engineering Selection Recommendations

The SL1411A075C is the direct equivalent for the SL1011B075C. Selection should prioritize the SL1411A075C due to its active product status, which ensures long-term availability and supply chain continuity. Both parts carry ROHS3 compliance and identical electrical ratings, making them functionally interchangeable in 75V, 10kA 2-pole gas discharge tube applications. The transition from the obsolete SL1011B series to the active SL1411A series represents a standard product line evolution by Littelfuse Inc. with no degradation in performance or reliability characteristics.

Frequently Asked Questions (FAQ)

Q: Can the SL1411A075C directly replace the SL1011B075C?

A: Yes. Both parts share identical voltage ratings (75V DC spark-over), impulse discharge current (10kA), pole configuration (2-pole), package type (Cylinder No Lead), and RoHS compliance status. Direct substitution is supported.

Q: Why is the SL1011B075C listed as obsolete?

A: The SL1011B series has been superseded by the SL1411A series as part of Littelfuse Inc.'s product line consolidation. The SL1411A075C provides equivalent performance with active manufacturing status.

Q: Are there any packaging differences between these parts?

A: Both parts use identical Cylinder No Lead packaging and have the same Moisture Sensitivity Level (MSL 1 - Unlimited). No packaging modifications are required for substitution.

Q: What are the critical parameters for GDT substitution?

A: For Gas Discharge Tubes, the critical parameters are voltage rating (DC spark-over), impulse discharge current capacity, number of poles, and physical package type. All these parameters are identical between the SL1011B075C and SL1411A075C.

Q: Is the SL1411A075C available in the same quantities as the SL1011B075C?

A: The SL1411A075C has higher current inventory (1041 Pcs) compared to the SL1011B075C (824 Pcs), providing improved procurement flexibility.