Alternative to TN-SFP-OC3SB42: Better-Value Equivalents in Stock
Comparing the TN-SFP-OC3SB42 (TN-SFP-OC3SB42 - Transition 100Mbps 100Base-FX Single-mode Fiber 1550nm TX/1310nm RX SM (LC) 40km SFP (mini-GBIC) Transceiver Module) against alternatives? Pro Disk Network stocks 12 similar parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the TN-SFP-OC3SB42
| SKU | TN-SFP-OC3SB42 |
|---|---|
| Product | TN-SFP-OC3SB42 - Transition 100Mbps 100Base-FX Single-mode Fiber 1550nm TX/1310nm RX SM (LC) 40km SFP (mini-GBIC) Transceiver Module |
| Current price | $363.16 |
| Stock status | In Stock |
| Detail page | View TN-SFP-OC3SB42 › |
Alternatives to TN-SFP-OC3SB42
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
TN-GLC-FE-100BX-U-40 - Transition 100Base-BX 1310nm Tx/1550nm Rx Single Fiber (Lc) Sm 40km/24.9 Mi SFP Transceiver Module
SKU: TN-GLC-FE-100BX-U-40
Price: $793.43
TN-GLC-FE-100BX-D-40 - Transition 100Base-BX 1550nm Tx/1310nm Rx Single Fiber (Lc) Sm 40km/24.9 Mi SFP Transceiver Module
SKU: TN-GLC-FE-100BX-D-40
Price: $793.43
TN-SFP-LXB41 - Transition Network 1000Base-LX 40km 1310nm-TX/1550nm-RX SFP Transceiver Module
SKU: TN-SFP-LXB41
Price: $307.05
SFP-GD-BD53 - Gigatech MRV 1Gbps 1000Base-BX-D Bi-Directional 40km Single-mode Fiber 1550nm/1310nm SFP Transceiver
SKU: SFP-GD-BD53
Price: $290.54
TN-CWDM-SFP-1550 - Transition 1Gbps 1000Base-LX/ZX CWDM Fibre Channel Single-mode Fiber 1550NM LC Connector SFP (mini-GBIC) Transceiver Module
SKU: TN-CWDM-SFP-1550
Price: $1,662.17
TN-CWDM-SFP-1490-40 - Transition 1Gbps 1000Base-LX Single-mode Fiber 1490nm 40km LC Connector SFP (mini-GBIC) Transceiver Module
SKU: TN-CWDM-SFP-1490-40
Price: $960.72
TN-CWDM-SFP-1570-40 - Transition 1Gbps 1000Base-LX/ZX CWDM Single-mode Fiber 40km 1570nm LC Connector SFP (mini-GBIC) Transceiver Module
SKU: TN-CWDM-SFP-1570-40
Price: $1,651.05
TN-CWDM-SFP-1270-40 - Transition 1Gbps 1000Base-LX 1000Base-ZX Single-mode Fiber 40km 1270nm LC Connector SFP (mini-GBIC) Transceiver Module
SKU: TN-CWDM-SFP-1270-40
Price: $3,495.34
TN-SFP-OC3SB41 - Transition 100Mbps 100Base-FX 1310nm TX/1550nm RX SM (LC) 40km Transceiver Module
SKU: TN-SFP-OC3SB41
Price: $244.95
TN-CWDM-SFP-1310 - Transition 1Gbps 1000Base-LX/ZX CWDM Fibre Channel Single-mode Fiber 80km 1310nm LC Connector SFP (mini-GBIC) Transceiver Module
SKU: TN-CWDM-SFP-1310
Price: $1,662.17
TN-SFP-OC3SB81 - Transition 100Mbps 100Base-FX Single-mode Fiber 1310nm TX/1550nm RX SM (LC) 80km Transceiver Module
SKU: TN-SFP-OC3SB81
Price: $205.26
TN-SFP-LXB12T - Transition 1000Base-LX Single-mode Fiber 1550nm TX/1310nm RX (LC) 10 km Transceiver Module
SKU: TN-SFP-LXB12T
Price: $205.91
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.