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EVN-5ESX50B13 Equivalent & Substitute Parts
Part Overview
The EVN-5ESX50B13 is a 1 kOhms surface mount trimmer potentiometer manufactured by Panasonic Electronic Components. This carbon-based, 0.05W (1/20W) J Lead device features top adjustment and is rated for 1 turn operation. The product is currently obsolete, making identification of functionally equivalent alternatives essential for ongoing maintenance, repair, and new design implementations where this component specification remains applicable.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 1 kOhms |
| Power Rating | 0.05W (1/20W) |
| Tolerance | ±30% |
| Temperature Coefficient | ±500ppm/°C |
| Number of Turns | 1 |
| Adjustment Type | Top Adjustment |
| Resistive Material | Carbon |
| Mounting Type | Surface Mount |
| Termination Style | J Lead |
| Size | Rectangular - 0.142" x 0.122" Face (3.60mm x 3.10mm) |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the EVN-5ESX50B13 is determined by the following critical parameters:
- Resistance Value: Must be 1 kOhms
- Mounting Type: Must be Surface Mount with J Lead termination
- Adjustment Type: Must be Top Adjustment, 1 Turn
- Physical Compatibility: Rectangular form factor with comparable dimensions
- Functional Parameters: Resistance tolerance, temperature coefficient, and power rating must meet or exceed application requirements
The 3313J-1-102E from Bourns Inc. satisfies these core substitution criteria. While this substitute employs Cermet resistive material instead of carbon and provides higher power rating (0.125W vs. 0.05W) and improved temperature coefficient (±100ppm/°C vs. ±500ppm/°C), it maintains electrical and mechanical compatibility with the original specification.
Parameter Comparison
| Parameter | EVN-5ESX50B13 (Panasonic) | 3313J-1-102E (Bourns) | Compatibility Notes |
|---|---|---|---|
| Resistance | 1 kOhms | 1 kOhms | Matched |
| Power Rating | 0.05W (1/20W) | 0.125W (1/8W) | Substitute rated higher; acceptable |
| Tolerance | ±30% | ±20% | Substitute tighter; acceptable |
| Temperature Coefficient | ±500ppm/°C | ±100ppm/°C | Substitute superior; acceptable |
| Number of Turns | 1 | 1 | Matched |
| Adjustment Type | Top Adjustment | Top Adjustment | Matched |
| Mounting Type | Surface Mount | Surface Mount | Matched |
| Termination Style | J Lead | J Lead | Matched |
| Size | 0.142" x 0.122" (3.60mm x 3.10mm) | 0.138" x 0.126" (4.60mm x 3.20mm) | Dimensionally compatible |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | Matched |
| Resistive Material | Carbon | Cermet | Different material; Cermet provides improved stability |
| Product Status | Obsolete | Active | Substitute actively manufactured |
Engineering Selection Recommendations
The 3313J-1-102E (Bourns Trimpot® 3313 - Sealed) is the primary equivalent for the obsolete EVN-5ESX50B13. Selection is based on:
- Electrical Equivalence: Identical 1 kOhms resistance, 1 turn top adjustment, and J Lead surface mount configuration
- Mechanical Compatibility: Rectangular form factor with dimensions within acceptable tolerance for PCB layout
- Performance Enhancement: The substitute provides superior specifications including higher power rating (0.125W), tighter tolerance (±20%), and improved temperature coefficient (±100ppm/°C)
- Compliance & Availability: The 3313J-1-102E is ROHS3 compliant, REACH unaffected, and actively manufactured with established supply chain availability
- Moisture Sensitivity: Both components share MSL 1 (Unlimited) rating, ensuring equivalent environmental performance
Frequently Asked Questions (FAQ)
Q: Can the 3313J-1-102E directly replace the EVN-5ESX50B13 in existing designs?
A: Yes. Both components share identical resistance value (1 kOhms), adjustment type (top adjustment, 1 turn), mounting method (surface mount J Lead), and physical form factor. The substitute's superior specifications (higher power rating, tighter tolerance, improved temperature coefficient) ensure functional compatibility.
Q: What is the significance of the resistive material difference (Carbon vs. Cermet)?
A: The EVN-5ESX50B13 uses carbon film resistive material, while the 3313J-1-102E employs Cermet. Cermet construction provides improved temperature stability and long-term reliability. This material difference represents a performance upgrade rather than a limitation.
Q: Are there packaging differences between these components?
A: The EVN-5ESX50B13 packaging is not specified in available data. The 3313J-1-102E is supplied in Tape & Reel (TR) format, standard for high-volume surface mount assembly. Verify packaging requirements for your specific application.
Q: Why is the EVN-5ESX50B13 listed as obsolete?
A: Panasonic has discontinued this product line. The 3313J-1-102E from Bourns represents the active market equivalent, ensuring continued availability for replacement and new design applications.
Q: Are both components RoHS compliant?
A: The 3313J-1-102E is ROHS3 compliant. RoHS status for the EVN-5ESX50B13 is not provided in available documentation. Verify compliance requirements for your specific application and regulatory jurisdiction.
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