1N6038 Equivalent & Substitute Parts

Part Overview

The 1N6038 is a Transient Voltage Suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose transient voltage protection applications. This through-hole component operates with a 7V reverse standoff voltage and provides 13.8V clamping at peak pulse current. The part is currently in active production status with 1020 units available in inventory.

TVS diodes are essential components in electronic circuits requiring protection against voltage transients and electrostatic discharge events. Equivalent and substitute parts are identified when they maintain compatibility across critical electrical parameters including reverse standoff voltage, clamping voltage, peak pulse current capacity, and thermal operating range, while accommodating different package configurations or manufacturer sourcing requirements.

Substiute Parts

1N6038

Microchip TechnologyIn Stock: 10311N6038 Datasheet

Current PartRFQ

SA7.0CA

onsemiIn Stock: 12480SA7.0CA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 1N6038 are identified based on electrical parameter compatibility within defined tolerance ranges. The primary substitution criteria are:

Voltage Parameters: The reverse standoff voltage must match at 7V (typical). The breakdown voltage minimum and clamping voltage maximum establish the operating window for transient suppression. Substitute parts must maintain these voltage characteristics to ensure equivalent circuit protection performance.

Current Capacity: Peak pulse current rating determines the component's ability to handle transient events. While the 1N6038 specifies 109A peak pulse current, substitute parts with lower current ratings may be acceptable in applications with reduced transient severity, provided all other parameters remain compatible.

Power Dissipation: Peak pulse power rating reflects the component's thermal handling capability during transient events. This parameter correlates directly with current capacity and clamping voltage.

Thermal Range: Operating temperature range must encompass the application environment. Both the 1N6038 and identified substitutes operate across -55°C to 175°C, ensuring thermal compatibility.

Package Configuration: Through-hole mounting type is maintained across substitutes. Package variants (DO-13, DO-204AC/DO-15) are physically different but electrically equivalent when mounted in compatible footprints.

Parameter Comparison

Engineering Selection Recommendations

1N6038 (Microchip Technology): Select this part when maximum peak pulse current capacity (109A) and power dissipation (1500W) are required. The DO-13 package provides a compact through-hole form factor. This component is in active production status with established inventory availability. RoHS non-compliance status must be evaluated against application regulatory requirements.

SA7.0CA (onsemi): This substitute provides equivalent voltage protection characteristics with a 7V reverse standoff voltage and 12V clamping voltage. The reduced peak pulse current rating (42.5A) and power dissipation (500W) make this part suitable for applications with lower transient severity. The DO-204AC (DO-15) axial package requires different PCB footprint accommodation compared to the 1N6038. This part is in active production status with higher inventory availability (12400 units). Regulatory compliance status should be confirmed for specific applications.

Selection Basis: Choose the 1N6038 for high-current transient protection requirements. Choose the SA7.0CA when lower current capacity is acceptable and alternative sourcing or package configuration is beneficial. Both parts maintain identical operating temperature ranges and bidirectional channel configuration, ensuring thermal and functional compatibility within their respective current ratings.

Frequently Asked Questions (FAQ)

Q: Can the SA7.0CA directly replace the 1N6038 in all applications?

A: The SA7.0CA provides equivalent voltage protection (7V standoff, 12V clamping) but with reduced peak pulse current capacity (42.5A versus 109A). Direct substitution is valid only in applications where transient current does not exceed 42.5A. Circuit analysis must confirm that peak pulse current requirements fall within the SA7.0CA rating.

Q: What are the physical differences between DO-13 and DO-204AC packages?

A: The 1N6038 uses DO-13 package while the SA7.0CA uses DO-204AC (also designated DO-15). Both are through-hole axial packages but have different lead spacing and body dimensions. PCB footprints must be verified for compatibility before substitution. Mechanical fit and lead hole spacing must match the selected package.

Q: Are there voltage parameter differences that affect circuit protection?

A: The 1N6038 has a breakdown voltage minimum of 8.19V and clamping voltage maximum of 13.8V. The SA7.0CA has a breakdown voltage minimum of 7.78V and clamping voltage maximum of 12V. Both maintain the 7V reverse standoff voltage. The SA7.0CA provides slightly lower clamping voltage, which may be advantageous in sensitive circuits but must be verified against circuit design specifications.

Q: What inventory considerations apply to these parts?

A: The 1N6038 has 1020 units in stock. The SA7.0CA has 12400 units in stock. For applications requiring immediate availability or high-volume procurement, the SA7.0CA offers superior inventory position. Long-term sourcing strategy should account for production status (both parts are active) and supply chain requirements.

Q: How do power dissipation ratings affect component selection?

A: The 1N6038 dissipates 1500W peak pulse power while the SA7.0CA dissipates 500W. Higher power dissipation capability allows the 1N6038 to handle more severe transient events without thermal stress. Applications with high-energy transients require the 1N6038. Lower-energy transient environments can use the SA7.0CA.

Q: Are there regulatory compliance differences between these parts?

A: The 1N6038 is RoHS non-compliant. The SA7.0CA compliance status should be confirmed with the manufacturer. Applications subject to RoHS regulations must verify substitute part compliance before implementation. Both parts carry EAR99 ECCN classification and are REACH unaffected.