P4KE200CA-B Equivalent & Substitute Parts

Part Overview

The P4KE200CA-B is an active Transient Voltage Suppressor (TVS) diode manufactured by Littelfuse Inc., designed for general-purpose overvoltage protection applications. This bidirectional zener diode operates in the DO-204AL (DO-41) axial through-hole package and provides 274V maximum clamping voltage with 1.5A peak pulse current capability. The part is ROHS3 compliant and maintains unlimited moisture sensitivity rating (MSL 1). Finding equivalent substitute parts is necessary to ensure supply chain flexibility, manage inventory across multiple manufacturers, and maintain design continuity when primary sources experience allocation constraints.

Substiute Parts

P4KE200CA-B

Littelfuse Inc.In Stock: 895P4KE200CA-B Datasheet

Current PartRFQ

P4KE200CA

Taiwan Semiconductor CorporationIn Stock: 1112P4KE200CA Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the P4KE200CA-B is determined by strict equivalence across the following critical parameters:

Voltage specifications must match exactly: Reverse Standoff Voltage of 171V (Typ), Breakdown Voltage minimum of 190V, and Clamping Voltage maximum of 274V at peak pulse current. Current handling capability must be rated for 1.5A peak pulse current (10/1000µs waveform). Power dissipation must support 400W peak pulse rating. The package must be DO-204AL (DO-41) axial through-hole configuration. Operating temperature range must span -55°C to 175°C (TJ). All substitute parts must maintain ROHS3 compliance and MSL 1 rating.

The P4KE200CA-B from Littelfuse Inc. has one qualified substitute: P4KE200CA from Taiwan Semiconductor Corporation. Both parts share identical base product designation (P4KE200) and belong to the same TVS diode series, confirming functional and electrical equivalence.

Parameter Comparison

Engineering Selection Recommendations

Both the P4KE200CA-B and P4KE200CA are active products with confirmed ROHS3 compliance and REACH unaffected status. The P4KE200CA from Taiwan Semiconductor Corporation is electrically equivalent, with peak pulse current specification of 1.51A exceeding the 1.5A requirement of the primary part. Both devices maintain identical voltage parameters, power ratings, and operating temperature specifications.

Selection between these parts should be based on packaging requirements and supply availability. The P4KE200CA-B is supplied in bulk packaging, while the P4KE200CA is supplied in Tape & Reel format. For automated assembly processes, the Tape & Reel format may provide handling advantages. For manual assembly or prototype applications, bulk packaging may be more practical. Both parts are suitable for direct substitution in general-purpose TVS diode applications requiring 171V standoff voltage protection.

Frequently Asked Questions (FAQ)

Q: Can P4KE200CA replace P4KE200CA-B in production designs? A: Yes. The P4KE200CA meets all electrical specifications and compliance requirements. The primary difference is packaging format (Tape & Reel versus Bulk). Verify your assembly process compatibility with the selected packaging format.

Q: What is the significance of the 1.51A versus 1.5A peak pulse current difference? A: The P4KE200CA specification of 1.51A exceeds the 1.5A requirement, providing equivalent or superior performance. This minor variation is within normal manufacturing tolerance ranges for TVS diodes and does not affect substitution eligibility.

Q: Are both parts suitable for the same circuit applications? A: Yes. Both parts are rated for general-purpose overvoltage protection with identical voltage clamping characteristics (274V maximum), breakdown voltage (190V minimum), and operating temperature range (-55°C to 175°C). Circuit performance will be equivalent.

Q: What packaging considerations apply to these parts? A: The P4KE200CA-B (Bulk) is suitable for manual assembly, prototyping, and low-volume applications. The P4KE200CA (Tape & Reel) is optimized for automated pick-and-place assembly and high-volume production. Both use identical DO-204AL (DO-41) axial through-hole package dimensions.

Q: Do both parts meet the same compliance standards? A: Yes. Both P4KE200CA-B and P4KE200CA are ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity rating. Compliance documentation is equivalent for both parts.