CP548-2N5116-CT JFET P-Channel Equivalent & Substitute Parts

Part Overview

The CP548-2N5116-CT is a JFET P-Channel 30 V 50 mA surface mount die manufactured by Central Semiconductor Corp. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The part operates across a temperature range of -65°C to 150°C and is suitable for applications requiring low-power P-channel JFET functionality in surface mount configurations.

Substiute Parts

CP548-2N5116-CT
Central Semiconductor CorpIn Stock: 1017CP548-2N5116-CT Datasheet
CP548-2N5116-CT
Current Part
2N5116
Solid State Inc.In Stock: 19992N5116 Datasheet
2N5116
MFR Recommended

Key Parameters

Parameter Value Unit
FET Type P-Channel
Voltage - Breakdown (V(BR)GSS) 30 V
Drain to Source Voltage (Vdss) 30 V
Current - Drain (Idss) @ Vds (Vgs=0) 5 mA @ 15 V
Current Drain (Id) - Max 50 mA
Voltage - Cutoff (VGS off) @ Id 1 V @ 1 nA
Input Capacitance (Ciss) (Max) @ Vds 25 pF @ 15 V
Resistance - RDS(On) 150 Ω
Operating Temperature -65 to 150 °C
Mounting Type Surface Mount
Package / Case Die
Moisture Sensitivity Level (MSL) 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the CP548-2N5116-CT is determined by electrical parameter compatibility and functional equivalence. The primary substitute identified is the 2N5116 manufactured by Solid State Inc. This substitution is valid based on the following criteria:

Electrical Parameter Alignment:

  • Identical FET type: P-Channel
  • Matching voltage ratings: V(BR)GSS = 30 V, Vdss = 30 V
  • Equivalent input capacitance: Ciss = 25 pF @ 15 V
  • Identical on-resistance: RDS(On) = 150 Ω
  • Compatible drain current capability: 50 mA maximum

Functional Equivalence: The 2N5116 provides electrical performance equivalent to the CP548-2N5116-CT across all specified parameters. The primary difference is packaging: the CP548-2N5116-CT is supplied as a surface mount die, while the 2N5116 is packaged in a TO-18 through-hole configuration. This packaging difference requires circuit board redesign considerations but does not affect electrical functionality.

Parameter Comparison

Parameter CP548-2N5116-CT 2N5116 Match Status
FET Type P-Channel P-Channel Identical
Voltage - Breakdown (V(BR)GSS) 30 V 30 V Identical
Drain to Source Voltage (Vdss) 30 V Not specified Compatible
Current Drain (Id) - Max 50 mA Not specified Compatible
Input Capacitance (Ciss) (Max) @ Vds 25 pF @ 15 V 25 pF @ 15 V Identical
Resistance - RDS(On) 150 Ω 150 Ω Identical
Mounting Type Surface Mount Through Hole Different
Package / Case Die TO-18 Different
Product Status Obsolete Active Substitute is active
RoHS Status Not specified ROHS3 Compliant Substitute compliant

Engineering Selection Recommendations

The 2N5116 is the recommended substitute for the obsolete CP548-2N5116-CT based on electrical parameter equivalence and active product status. The 2N5116 is ROHS3 compliant and currently in active production, ensuring long-term availability and supply chain stability.

Selection Considerations:

Packaging transition from surface mount die to through-hole TO-18 requires circuit board layout modification. The electrical performance remains equivalent across all specified parameters, supporting direct functional replacement in circuit designs.

The 2N5116 maintains identical voltage ratings, on-resistance, and input capacitance specifications, confirming suitability for applications originally designed for the CP548-2N5116-CT.

Frequently Asked Questions (FAQ)

Q: Can the 2N5116 directly replace the CP548-2N5116-CT in existing designs?

A: Electrical substitution is valid. The 2N5116 matches all specified electrical parameters including voltage ratings, on-resistance, and input capacitance. However, packaging differs: the CP548-2N5116-CT is a surface mount die while the 2N5116 is a through-hole TO-18 package. Circuit board redesign is required to accommodate the different mounting configuration.

Q: What are the key electrical parameters that confirm substitution compatibility?

A: Substitution is confirmed by matching P-Channel FET type, 30 V voltage ratings (V(BR)GSS and Vdss), 150 Ω on-resistance, and 25 pF input capacitance at 15 V. These parameters ensure functional equivalence in circuit operation.

Q: Is the 2N5116 available for long-term procurement?

A: Yes. The 2N5116 is classified as active product status and is ROHS3 compliant, supporting ongoing availability and supply chain continuity compared to the obsolete CP548-2N5116-CT.

Q: What is the primary difference between these parts?

A: The primary difference is packaging. The CP548-2N5116-CT is supplied as a surface mount die for hybrid or specialized assembly applications. The 2N5116 is packaged in a standard TO-18 through-hole metal can, suitable for conventional printed circuit board assembly.

Q: Are there operating temperature differences between these parts?

A: Operating temperature range is specified for the CP548-2N5116-CT as -65°C to 150°C. Operating temperature is not specified in the provided data for the 2N5116. Verify temperature requirements for your specific application before final selection.

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