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PJ-033A Equivalent & Substitute Parts
Part Overview
The PJ-033A is a power barrel connector jack manufactured by CUI Devices, designed for 2.10mm ID (0.083") and 5.50mm OD (0.217") mating applications. This component features panel mount, through-hole construction with solder termination and a single normally closed internal switch. The part is classified as obsolete, making identification of suitable substitutes essential for ongoing system support and component procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | PJ-033A |
| Manufacturer | CUI Devices |
| Category | Barrel Connectors |
| Connector Type | Jack |
| Gender | Male |
| Industry Recognized Mating Diameter | 2.10mm ID (0.083"), 5.50mm OD (0.217") |
| Number of Positions/Contacts | 2 Conductors, 3 Contacts |
| Internal Switch(s) | Single Switch, Normally Closed |
| Mounting Type | Panel Mount, Through Hole |
| Termination | Solder |
| Voltage - Rated | 24VDC |
| Current Rating (Amps) | 2.5 A |
| Operating Temperature | -25°C ~ 85°C |
| Material Flammability Rating | UL94 V-0 |
| Housing Material | Polybutylene Terephthalate (PBT) |
| Contact Material | Brass, Copper Alloy |
| Body Color | Black |
| RoHS Status | ROHS3 Compliant |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution eligibility for the PJ-033A is determined by the following critical parameters:
- Industry Recognized Mating Diameter: 2.10mm ID (0.083"), 5.50mm OD (0.217")
- Number of Positions/Contacts: 2 Conductors, 3 Contacts
- Internal Switch Configuration: Single Switch, Normally Closed
- Mounting Type: Panel Mount
- Termination Method: Solder
- Voltage Rating: 24VDC
- Current Rating: 2.5 A
- Operating Temperature Range: -25°C ~ 85°C
- Material Flammability Rating: UL94 V-0
- Housing Material: Polybutylene Terephthalate (PBT)
- RoHS Compliance: ROHS3 Compliant
The PJ-008A meets all critical substitution criteria, maintaining electrical and mechanical compatibility with the PJ-033A while offering active product status and improved inventory availability.
Parameter Comparison
| Parameter | PJ-033A | PJ-008A |
|---|---|---|
| Manufacturer Part Number | PJ-033A | PJ-008A |
| Manufacturer | CUI Devices | CUI Devices |
| Product Status | Obsolete | Active |
| Connector Type | Jack | Jack |
| Gender | Male | Male |
| Industry Recognized Mating Diameter | 2.10mm ID (0.083"), 5.50mm OD (0.217") | 2.10mm ID (0.083"), 5.50mm OD (0.217") |
| Number of Positions/Contacts | 2 Conductors, 3 Contacts | 2 Conductors, 3 Contacts |
| Internal Switch(s) | Single Switch, Normally Closed | Single Switch, Normally Closed |
| Mounting Type | Panel Mount, Through Hole | Panel Mount |
| Termination | Solder | Solder Eyelet(s) |
| Voltage - Rated | 24VDC | 24VDC |
| Current Rating (Amps) | 2.5 A | 2.5 A |
| Operating Temperature | -25°C ~ 85°C | -25°C ~ 85°C |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 |
| Housing Material | Polybutylene Terephthalate (PBT) | Polybutylene Terephthalate (PBT) |
| Body Color | Black | Black |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Mating Length/Depth | 0.323" (8.20mm) | 0.354" (9.00mm) |
Engineering Selection Recommendations
The PJ-008A is a direct functional substitute for the PJ-033A. Both components maintain identical electrical ratings (24VDC, 2.5 A), mechanical mating dimensions (2.10mm ID, 5.50mm OD), contact configuration (2 Conductors, 3 Contacts), and internal switch behavior (Single Switch, Normally Closed). Both components are ROHS3 compliant and feature UL94 V-0 flammability ratings.
The primary distinction is product status: PJ-033A is obsolete while PJ-008A is active. The PJ-008A offers superior long-term availability and supply chain stability. Termination differences (solder versus solder eyelet) and minor dimensional variations in mating depth do not affect electrical or mechanical compatibility for standard applications.
Frequently Asked Questions (FAQ)
Q: Can PJ-008A directly replace PJ-033A in existing designs?
A: Yes. Both components share identical mating dimensions (2.10mm ID, 5.50mm OD), electrical ratings (24VDC, 2.5 A), contact configuration (2 Conductors, 3 Contacts), and internal switch characteristics (Single Switch, Normally Closed). The components are mechanically and electrically interchangeable.
Q: What is the difference between solder and solder eyelet termination?
A: PJ-033A uses direct solder termination, while PJ-008A uses solder eyelet(s). Both methods provide equivalent electrical connection when properly soldered to PCB pads. Solder eyelets provide a defined contact area for solder connection.
Q: Are there packaging differences between PJ-033A and PJ-008A?
A: PJ-033A packaging is not specified in available documentation. PJ-008A is supplied in bag packaging. Packaging differences do not affect component functionality or compatibility.
Q: Do both components meet the same compliance standards?
A: Yes. Both PJ-033A and PJ-008A are ROHS3 compliant, feature UL94 V-0 flammability ratings, and operate across the identical temperature range (-25°C ~ 85°C).
Q: Why is PJ-033A listed as obsolete?
A: PJ-033A has been discontinued by the manufacturer. PJ-008A is the active equivalent and is recommended for new designs and ongoing procurement.
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