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Equivalent & Substitute Parts Reference – VT40-2051
Part Overview
The Cinch Connectivity Solutions VT40-2051 is a coaxial RF connector specified as a TNC Jack (Female Socket), panel mount, for 50 Ohm RF applications, with crimp termination for both contact and shield. It is suitable for RG-58 cable groups and provides up to 4 GHz frequency operation. The component is currently active and available in bulk packaging.
Finding equivalent or substitute models is necessary due to potential inventory constraints, lifecycle changes, regulatory compliance updates, or the need for identical form, fit, and function in existing or new designs.
Substiute Parts
Key Parameters
| Parameter | VT40-2051 | Substitute Example |
|---|---|---|
| Manufacturer | Cinch Connectivity Solutions | TE Connectivity AMP Connectors |
| Part Number | VT40-2051 | 1-1478021-0 |
| Category | Coaxial Connectors (RF) | Coaxial Connectors (RF) |
| Connector Style | TNC | TNC |
| Connector Type | Jack, Female Socket | Jack, Female Socket |
| Impedance | 50 Ohms | 50 Ohms |
| Mounting Type | Panel Mount | Panel Mount |
| Mounting Feature | Bulkhead - Front Side Nut | Bulkhead - Front Side Nut |
| Cable Group | RG-58 | RG-58C, 141A |
| Fastening Type | Threaded | Threaded |
| Frequency - Max | 4 GHz | 11 GHz |
| Number of Ports | 1 | 1 |
| Housing Color | Silver | Silver |
| Center Contact Material | Brass | Brass |
| Body Material | Brass | Brass |
| Dielectric Material | Polytetrafluoroethylene (PTFE) | Polytetrafluoroethylene (PTFE) |
| Operating Temperature | -65°C ~ 165°C | -65°C ~ 165°C |
| Mating Cycles | 500 | 500 |
| Insertion Loss | 0.20dB | 0.2dB |
Substitute Part Grouping Explanation
Substitute parts for the Cinch Connectivity Solutions VT40-2051 TNC Jack must match core electrical and mechanical parameters specific to coaxial RF connectors. Substitute determination is based only on: connector style (TNC), connector type (Jack, Female Socket), impedance (50 Ohms), mounting type (Panel Mount), mounting feature (Bulkhead - Front Side Nut), cable group compatibility, frequency range, operating temperature, contact and housing materials, and mating cycle rating. Further differentiation includes termination method, dielectric material, and mechanical fastening.
Parameter Comparison
| Parameter | VT40-2051 | 1-1478021-0 |
|---|---|---|
| Manufacturer | Cinch Connectivity Solutions | TE Connectivity AMP Connectors |
| Part Number | VT40-2051 | 1-1478021-0 |
| Category | Coaxial Connectors (RF) | Coaxial Connectors (RF) |
| Connector Style | TNC | TNC |
| Connector Type | Jack, Female Socket | Jack, Female Socket |
| Contact Termination | Crimp | Solder |
| Shield Termination | Crimp | Clamp |
| Impedance | 50 Ohms | 50 Ohms |
| Mounting Type | Panel Mount | Panel Mount |
| Mounting Feature | Bulkhead - Front Side Nut | Bulkhead - Front Side Nut |
| Cable Group | RG-58 | RG-58C, 141A |
| Fastening Type | Threaded | Threaded |
| Frequency - Max | 4 GHz | 11 GHz |
| Number of Ports | 1 | 1 |
| Housing Color | Silver | Silver |
| Center Contact Material | Brass | Brass |
| Body Material | Brass | Brass |
| Dielectric Material | Polytetrafluoroethylene (PTFE) | Polytetrafluoroethylene (PTFE) |
| Operating Temperature | -65°C ~ 165°C | -65°C ~ 165°C |
| Mating Cycles | 500 | 500 |
| Insertion Loss | 0.20dB | 0.2dB |
| Part/Product Status | Active | Obsolete |
| Packaging | Bulk | - |
| Inventory | 663 Pcs | 840 Pcs |
Engineering Selection Recommendations
Selection should be based on product status and regulatory compliance data. The VT40-2051 is currently active with an unlimited MSL and no reported RoHS status. The 1-1478021-0 is obsolete but carries ROHS3 and REACH compliance, unlimited MSL, and brass/PTFE construction. Stock availability for both is reported.
Frequently Asked Questions (FAQ)
Q: What are the primary criteria for substituting a coaxial RF connector like VT40-2051?
A: Key criteria include connector style and type (TNC Jack, Female Socket), impedance, mounting and termination style, cable group compatibility, mechanical features, and specified electrical performance.
Q: Is 1-1478021-0 pin-to-pin and form-function compatible with VT40-2051?
A: Both meet core parameters such as TNC, 50 Ohms, panel mount, and bulkhead mounting. Contact and shield termination styles are not identical—verify mechanical and assembly compatibility.
Q: Should the product status (active, obsolete) influence the substitution decision?
A: Product status is a key factor; obsolete parts may be difficult to source or unsuitable for new designs. Only use active, in-stock parts for critical or forward-looking applications.
Q: Is there any difference in compliance or certification status between these options?
A: The substitute 1-1478021-0 lists ROHS3 and REACH compliance; compliance status is not provided for VT40-2051 in this reference.
Q: How does packaging or bulk shipment affect selection?
A: Packaging information affects logistics and handling but does not influence form, fit, or function substitution if electrical and mechanical parameters match.
Q: Are high-frequency applications supported by both parts?
A: Frequency ranges differ (4 GHz vs. 11 GHz maximum); select based solely on the required application frequency band within specified limits.
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