CS45-16IO1R Equivalent & Substitute Parts

Part Overview

The CS45-16IO1R is a 1.6 kV, 75 A standard recovery SCR (Silicon Controlled Rectifier) manufactured by IXYS in ISOPLUS247™ packaging. This thyristor is designed for high-voltage switching applications requiring reliable gate-triggered control in through-hole configurations. The part maintains active product status with 1658 units in current inventory. Substitute parts are identified when electrical parameters and mechanical compatibility align with application requirements, enabling component sourcing flexibility while maintaining circuit performance specifications.

Substiute Parts

CS45-16IO1R
IXYSIn Stock: 1721CS45-16IO1R Datasheet
CS45-16IO1R
Current Part
CS45-16IO1
IXYSIn Stock: 1416CS45-16IO1 Datasheet
CS45-16IO1
Parametric Equivalent

Key Parameters

Parameter Value Unit
Voltage - Off State 1.6 kV
Voltage - Gate Trigger (Vgt) Max 1.5 V
Current - Gate Trigger (Igt) Max 100 mA
Voltage - On State (Vtm) Max 1.64 V
Current - On State (It RMS) Max 75 A
Current - Hold (Ih) Max 100 mA
Current - Off State Max 5 mA
Current - Non Rep. Surge (50/60Hz) 520/560 A
Operating Temperature Range -40 to 140 °C
Mounting Type Through Hole
Package / Case TO-247-3
SCR Type Standard Recovery

Substitute Part Grouping Explanation

Substitution eligibility for the CS45-16IO1R is determined by strict equivalence across the following critical parameters:

  • Off-state voltage rating: 1.6 kV
  • Gate trigger voltage (Vgt) maximum: 1.5 V
  • Gate trigger current (Igt) maximum: 100 mA
  • On-state voltage (Vtm) maximum: 1.64 V
  • RMS on-state current (It RMS) maximum: 75 A
  • Hold current (Ih) maximum: 100 mA
  • Off-state leakage current maximum: 5 mA
  • Non-repetitive surge current: 520 A (50 Hz) / 560 A (60 Hz)
  • Operating temperature range: -40°C to 140°C
  • Mounting configuration: Through-hole
  • Package type: TO-247-3
  • Recovery type: Standard Recovery

The CS45-16IO1 qualifies as a parametric equivalent based on identical electrical specifications and compatible packaging within the TO-247 family.

Parameter Comparison

Parameter CS45-16IO1R (Main) CS45-16IO1 (Substitute) Match Status
Voltage - Off State 1.6 kV 1.6 kV Identical
Voltage - Gate Trigger (Vgt) Max 1.5 V 1.5 V Identical
Current - Gate Trigger (Igt) Max 100 mA 100 mA Identical
Voltage - On State (Vtm) Max 1.64 V 1.64 V Identical
Current - On State (It AV) Max 48 A 48 A Identical
Current - On State (It RMS) Max 75 A 75 A Identical
Current - Hold (Ih) Max 100 mA 100 mA Identical
Current - Off State Max 5 mA 5 mA Identical
Current - Non Rep. Surge 50/60Hz 520A / 560A 520A / 560A Identical
Operating Temperature -40°C to 140°C -40°C to 140°C Identical
Mounting Type Through Hole Through Hole Identical
Package / Case TO-247-3 TO-247-3 Identical
SCR Type Standard Recovery Standard Recovery Identical
RoHS Status ROHS3 Compliant ROHS3 Compliant Identical
Supplier Device Package ISOPLUS247™ TO-247AD Compatible Variant

Engineering Selection Recommendations

Both CS45-16IO1R and CS45-16IO1 maintain active product status and ROHS3 compliance. Selection between these parts is based on packaging variant availability and supply chain considerations. The CS45-16IO1R uses ISOPLUS247™ packaging, while CS45-16IO1 uses TO-247AD packaging. Both variants are mechanically compatible with TO-247-3 footprints and deliver identical electrical performance across all specified parameters. Component selection should prioritize current inventory levels and lead-time requirements, as electrical substitution is complete.

Frequently Asked Questions (FAQ)

Q: Can CS45-16IO1 replace CS45-16IO1R in existing designs?

A: Yes. All electrical parameters, thermal ratings, and mechanical mounting specifications are identical. The packaging variant difference (ISOPLUS247™ versus TO-247AD) does not affect circuit compatibility when both use TO-247-3 footprints.

Q: What is the difference between ISOPLUS247™ and TO-247AD packaging?

A: Both are TO-247-3 case variants. ISOPLUS247™ and TO-247AD represent different supplier designations for mechanically and electrically equivalent packages. Pin configuration and thermal performance remain unchanged.

Q: Are there any compliance differences between these parts?

A: No. Both parts carry identical RoHS3 compliance, REACH unaffected status, and EAR99 export classification. Moisture sensitivity level is 1 (Unlimited) for both variants.

Q: What parameters must remain constant for substitution?

A: Off-state voltage (1.6 kV), gate trigger specifications (Vgt 1.5 V max, Igt 100 mA max), on-state voltage (1.64 V max), RMS current rating (75 A), hold current (100 mA), and operating temperature range (-40°C to 140°C) must all match exactly.

Q: Can these parts be used interchangeably in PCB assembly?

A: Yes, provided the PCB footprint accommodates TO-247-3 mounting. Both parts use identical pin assignments and through-hole mounting configuration.

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