SMAJ36CA-13 Equivalent & Substitute Parts

Part Overview

The SMAJ36CA-13 is a transient voltage suppressor (TVS) diode manufactured by Diodes Incorporated, designed for general-purpose overvoltage protection in surface-mount applications. This part operates with a 36V reverse standoff voltage and provides 58.1V clamping at peak pulse current. The SMAJ36CA-13 is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. Active alternatives with identical or superior electrical characteristics are available from multiple manufacturers.

Substiute Parts

SMAJ36CA-13

Diodes IncorporatedIn Stock: 4747SMAJ36CA-13 Datasheet

Current PartRFQ

SMAJ36CA-13-F

Diodes IncorporatedIn Stock: 8040SMAJ36CA-13-F Datasheet

DirectRFQ

TV04A360JB-G

Comchip TechnologyIn Stock: 737TV04A360JB-G Datasheet

DirectRFQ

P4SMAJ36CAS_R1_00001

Panjit International Inc.In Stock: 2633P4SMAJ36CAS_R1_00001 Datasheet

MFR RecommendedRFQ

SMAJ36CA

MDDIn Stock: 25389SMAJ36CA Datasheet

MFR RecommendedRFQ

SMAJ36CA

MDDIn Stock: 25389SMAJ36CA Datasheet

MFR RecommendedRFQ

SMAJ36CA-TP

Micro Commercial CoIn Stock: 40783SMAJ36CA-TP Datasheet

MFR RecommendedRFQ

SMAJ36CAE3/TR13

Microchip TechnologyIn Stock: 1114SMAJ36CAE3/TR13 Datasheet

MFR RecommendedRFQ

SZ1SMA36CAT3G

Littelfuse Inc.In Stock: 80171SZ1SMA36CAT3G Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SMAJ36CA-13 is determined by strict equivalence in the following electrical and mechanical parameters:

• Voltage - Reverse Standoff: 36V (nominal)
• Voltage - Breakdown: 40V (minimum)
• Voltage - Clamping: 58.1V (maximum at Ipp)
• Current - Peak Pulse: 6.9A or greater (10/1000µs waveform)
• Power - Peak Pulse: 400W or greater
• Package / Case: DO-214AC, SMA (surface mount)
• Bidirectional Channels: 1
• Type: Zener TVS diode

Substitute parts meeting these criteria are functionally interchangeable. Parts with higher peak pulse current or power ratings provide enhanced protection margins and are acceptable substitutes. Operating temperature range variations are noted but do not preclude substitution when the application temperature remains within the substitute part's specified range.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts meet the core electrical specifications of the SMAJ36CA-13. Selection should prioritize active product status and regulatory compliance:

Primary Substitutes (Direct Equivalents):

• SMAJ36CA-13-F (Diodes Incorporated): Active status, ROHS3 compliant, identical electrical specifications, same manufacturer as original part
• P4SMAJ36CAS_R1_00001 (Panjit International Inc.): Active status, ROHS3 compliant, identical electrical specifications
• SZ1SMA36CAT3G (Littelfuse Inc.): Active status, ROHS3 compliant, extended temperature range (-65°C to 150°C), automotive-grade qualification (AEC-Q101)

Secondary Substitutes (Enhanced Performance):

• SMAJ36CAE3/TR13 (Microchip Technology): Active status, ROHS3 compliant, higher peak pulse current (8.6A) and power rating (500W), extended lower temperature limit (-65°C)
• SMAJ36CA-TP (Micro Commercial Co): Active status, ROHS3 compliant, extended upper temperature limit (-55°C to 175°C)

Alternative Substitutes:

• TV04A360JB-G (Comchip Technology): Active status, ROHS3 compliant, peak pulse current 6.88A (within tolerance)
• SMAJ36CA (MDD): Active status, ROHS3 compliant, minimum operating temperature -50°C (acceptable for most applications)

The SMAJ36CA-13-F is the recommended first choice due to manufacturer continuity and identical specifications. For applications requiring automotive qualification, SZ1SMA36CAT3G is specified. For enhanced protection margins, SMAJ36CAE3/TR13 provides superior current and power handling.

Frequently Asked Questions (FAQ)

Q: Can SMAJ36CA-13-F directly replace SMAJ36CA-13 in existing designs?

A: Yes. SMAJ36CA-13-F is electrically and mechanically identical to SMAJ36CA-13, with the primary difference being active product status and ROHS3 compliance. No design changes are required.

Q: What is the difference between SMAJ36CAE3/TR13 and other substitutes?

A: SMAJ36CAE3/TR13 provides higher peak pulse current (8.6A versus 6.9A) and power dissipation (500W versus 400W), offering enhanced transient protection. It is suitable for applications requiring greater surge handling capability.

Q: Is SZ1SMA36CAT3G suitable for automotive applications?

A: Yes. SZ1SMA36CAT3G carries AEC-Q101 automotive qualification and is rated for -65°C to 150°C operation, making it appropriate for automotive and harsh-environment applications.

Q: Do all substitutes use the same DO-214AC (SMA) package?

A: Yes. All listed substitutes use the DO-214AC (SMA) surface-mount package, ensuring mechanical and footprint compatibility with the original SMAJ36CA-13.

Q: What is the significance of ROHS3 compliance?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead and other hazardous materials. The original SMAJ36CA-13 is non-compliant; all active substitutes are ROHS3 compliant, meeting modern regulatory standards.

Q: Can SMAJ36CA (MDD) be used if the application operates below -50°C?

A: No. SMAJ36CA (MDD) is rated only to -50°C. For applications requiring operation below -50°C, use SMAJ36CAE3/TR13 or SZ1SMA36CAT3G, both rated to -65°C.

Q: Are there packaging differences between substitutes?

A: Packaging format varies (Cut Tape, Tape & Reel, or unspecified). All parts are supplied in DO-214AC (SMA) surface-mount packages. Verify packaging availability with your supplier for production requirements.