S2016NTP Equivalent & Substitute Parts

Part Overview

The S2016NTP is a Silicon Controlled Rectifier (SCR) manufactured by Littelfuse Inc., rated for 200V off-state voltage and 16A RMS on-state current in a Surface Mount TO-263 (D2PAK) package. This component is classified as Obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Substiute Parts

S2016NTP

Littelfuse Inc.In Stock: 944S2016NTP Datasheet

Current PartRFQ

S4016NTP

Littelfuse Inc.In Stock: 830S4016NTP Datasheet

UpgradeRFQ

S6016NTP

Littelfuse Inc.In Stock: 1185S6016NTP Datasheet

UpgradeRFQ

TN1625-600G-TR

STMicroelectronicsIn Stock: 4407TN1625-600G-TR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the S2016NTP are selected based on the following criteria:

Mandatory Compatibility Parameters:

• Package / Case: TO-263-3, D2PAK (2 Leads + Tab) — ensures mechanical and thermal compatibility
• Mounting Type: Surface Mount — maintains PCB assembly compatibility
• Current - On State (It (RMS)): 16 A — preserves current handling capability
• Operating Temperature: -40°C ~ 125°C — maintains thermal operating range
• SCR Type: Standard Recovery — ensures switching characteristics compatibility

Allowable Variation Parameters:

• Voltage - Off State: Can be equal or higher (200V, 400V, or 600V) — higher voltage ratings provide backward compatibility
• Voltage - Gate Trigger (Vgt) (Max): 1.3V to 1.5V — minor variations acceptable within gate drive circuit tolerance
• Current - Gate Trigger (Igt) (Max): 25mA to 30mA — minor variations acceptable
• Current - Off State (Max): 5µA to 10µA — leakage current variations acceptable

Substitute Categories:

1. Upgrade Substitutes (Higher Voltage Rating): S4016NTP (400V), S6016NTP (600V) — same manufacturer, same package, higher voltage rating for enhanced circuit protection
2. Cross-Manufacturer Substitute (Highest Voltage Rating): TN1625-600G-TR (STMicroelectronics, 600V) — different manufacturer, equivalent electrical performance, higher voltage rating

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Same Voltage Rating): No direct equivalent with identical 200V rating is available from the provided substitute list. The S2016NTP is obsolete with no same-voltage active alternative.

For Upgraded Designs (Higher Voltage Rating):

• S4016NTP (400V): Littelfuse Inc. active product. Identical electrical characteristics except for doubled off-state voltage. Suitable for applications where circuit voltage margin can accommodate 400V rating. Same package, same manufacturer, same gate drive requirements.
• S6016NTP (600V): Littelfuse Inc. active product. Tripled off-state voltage compared to original. Suitable for applications requiring enhanced overvoltage protection. Same package, same manufacturer, same gate drive requirements.

For Cross-Manufacturer Substitution (Highest Voltage Rating):

• TN1625-600G-TR (STMicroelectronics, 600V): Active product with 600V off-state voltage. Gate trigger voltage is 1.3V (lower than 1.5V maximum), reducing gate drive current requirement to 25mA maximum. Off-state leakage current is 5µA (lower than 10µA). Identical package and mounting type. Suitable for applications where lower gate drive power consumption is beneficial.

All substitute parts maintain ROHS3 compliance and identical operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can S4016NTP or S6016NTP be used as direct replacements for S2016NTP?

A: Yes, both S4016NTP and S6016NTP are direct mechanical and electrical replacements. They share identical package (TO-263-3, D2PAK), mounting type (Surface Mount), current rating (16A RMS), on-state voltage (1.6V max), gate trigger parameters (1.5V max, 30mA max), and operating temperature range (-40°C to 125°C). The primary difference is higher off-state voltage rating (400V and 600V respectively), which provides additional circuit protection margin without affecting gate drive or thermal characteristics.

Q: What is the difference between Littelfuse and STMicroelectronics substitutes?

A: Both manufacturers provide 600V rated SCRs in identical TO-263-3 D2PAK packages. The TN1625-600G-TR (STMicroelectronics) has slightly lower gate trigger voltage (1.3V vs 1.5V) and lower off-state leakage current (5µA vs 10µA). These differences are within acceptable engineering tolerances and do not affect pin compatibility or thermal performance. Selection depends on availability and procurement preference.

Q: Is the package compatibility guaranteed across all substitutes?

A: Yes. All substitute parts use TO-263-3, D2PAK (2 Leads + Tab) package specification. This ensures identical PCB footprint, lead spacing, and thermal tab interface. Surface Mount mounting type is consistent across all parts.

Q: Can I use a 600V rated SCR in a circuit designed for 200V?

A: Yes. Higher voltage-rated SCRs are backward compatible in lower-voltage circuits. The 600V rating provides additional safety margin against transient overvoltages. No circuit modifications are required. Gate drive and current handling characteristics remain identical.

Q: What are the gate drive requirements for each substitute?

A: S2016NTP, S4016NTP, and S6016NTP require gate trigger voltage of 1.5V maximum and gate trigger current of 30mA maximum. TN1625-600G-TR requires 1.3V maximum and 25mA maximum, making it slightly easier to drive. All parts maintain 40mA hold current specification.