Telecom
Explore Telecom parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.
| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Package/Case | Packaging | Product Status | Function | Interface | Number of Circuits | Voltage - Supply | Current - Supply | Power (Watts) | Operating Temperature | Grade | Qualification | Mounting Type | Supplier Device Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
HT18LG-GIC TELECOM INTERFACE 8SOIC |
4,897 |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Switch | - | 1 | - | - | - | 0°C ~ 50°C | - | - | Surface Mount | 8-SOIC |
|
HT19LG-GIC TELECOM INTERFACE 8SOIC |
1,392 |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Switch | - | 1 | - | - | - | 0°C ~ 50°C | - | - | Surface Mount | 8-SOIC |
|
MT88L70AN1IC TELECOM INTERFACE 20SSOP |
3,270 |
|
Datasheet | - | 20-SSOP (0.209", 5.30mm Width) | Tube | Active | DTMF Receiver | - | 1 | 2.7V ~ 3.6V | 2mA | - | -40°C ~ 85°C | - | - | Surface Mount | 20-SSOP |
|
U4037B-NFLG3YIC TELECOM INTERFACE 24SO |
3,175 |
|
Datasheet | - | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Speech and Ringer Circuit | - | 1 | 3.1V ~ 3.6V | - | 520 W | -25°C ~ 75°C | - | - | Surface Mount | 24-SO |
|
U4037B-NFLYIC TELECOM INTERFACE 24SO |
1,066 |
|
Datasheet | - | 24-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Speech and Ringer Circuit | - | 1 | 3.1V ~ 3.6V | - | 520 W | -25°C ~ 75°C | - | - | Surface Mount | 24-SO |
|
U3761MB-XFNGIC TELECOM INTERFACE 44SSO |
2,804 |
|
Datasheet | - | 44-BSOP (0.295", 7.50mm Width) | Tube | Obsolete | Universal Telephone Circuit | - | 1 | - | 3.8mA | 900 mW | -25°C ~ 75°C | - | - | Surface Mount | 44-SSO |
|
U3761MB-XFNG3GIC TELECOM INTERFACE 44SSO |
1,823 |
|
Datasheet | - | 44-BSOP (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Universal Telephone Circuit | - | 1 | - | 3.8mA | 900 mW | -25°C ~ 75°C | - | - | Surface Mount | 44-SSO |
|
PEF41078VV11DATA COMM PEF41078VV11 VQFN48 SL |
3,705 |
|
Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - |
|
PEF31001VSV12CODEC |
4,054 |
|
Datasheet | - | - | Tray | Active | - | - | - | - | - | - | - | - | - | - | - |
|
PEF32001VSV12DATA COMM PEF32001VSV12 VQFN44 S |
4,156 |
|
Datasheet | - | - | Tray | Active | - | - | - | - | - | - | - | - | - | - | - |
|
MT8870DN1IC TELECOM INTERFACE 20SSOP |
3,620 |
|
Datasheet | - | 20-SSOP (0.209", 5.30mm Width) | Tube | Active | DTMF Receiver | - | 1 | 4.75V ~ 5.25V | 3mA | - | -40°C ~ 85°C | - | - | Surface Mount | 20-SSOP |
|
LE87271EQCIC TELECOM INTERFACE |
4,630 |
|
Datasheet | - | - | Tray | Active | - | - | - | - | - | - | - | - | - | - | - |
|
MT88L70ANR1IC TELECOM INTERFACE 20SSOP |
3,292 |
|
Datasheet | - | 20-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | DTMF Receiver | - | 1 | 2.7V ~ 3.6V | 2mA | - | -40°C ~ 85°C | - | - | Surface Mount | 20-SSOP |
|
SI32391-B-FM1RIC TELECOM INTERFACE 48QFN |
1,570 |
|
Datasheet | ProSLIC® | 48-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Subscriber Line Interface Concept (SLIC) | - | 1 | 3.15V ~ 3.45V | - | - | 0°C ~ 70°C | - | - | Surface Mount | 48-QFN (7x7) |
|
|
VSC8540XMV-03IC TELECOM INTERFACE 68QFN |
4,975 |
|
Datasheet | - | 68-VFQFN Exposed Pad | Tray | Obsolete | Ethernet | RMII | 1 | - | - | - | -40°C ~ 125°C | - | - | Surface Mount | 68-QFN (8x8) |
|
MC34017A-1PIC TELECOM INTERFACE 8DIP |
3,165 |
|
Datasheet | - | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Tone Ringer | - | 1 | 5V | 20mA | 1 W | -20°C ~ 60°C | - | - | Through Hole | 8-PDIP |
|
MC34017A-2PIC TELECOM INTERFACE 8DIP |
3,901 |
|
Datasheet | - | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Tone Ringer | - | 1 | 5V | 20mA | 1 W | -20°C ~ 60°C | - | - | Through Hole | 8-PDIP |
|
MC34017A-3PIC TELECOM INTERFACE 8DIP |
1,010 |
|
Datasheet | - | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Tone Ringer | - | 1 | 5V | 20mA | 1 W | -20°C ~ 60°C | - | - | Through Hole | 8-PDIP |
|
LE87557NQCIC TELECOM INTERFACE 1CH |
4,350 |
|
Datasheet | * | - | Tray | Active | - | - | - | - | - | - | - | - | - | - | - |
|
SI32391-B-FMRIC TELECOM INTERFACE 48QFN |
1,718 |
|
Datasheet | ProSLIC® | 48-VFQFN Exposed Pad | Tape & Reel (TR) | Not For New Designs | Subscriber Line Interface Concept (SLIC) | - | 1 | 3.15V ~ 3.45V | - | - | 0°C ~ 70°C | - | - | Surface Mount | 48-QFN (7x7) |
Frequently Asked Questions
What are Telecom components used for?
Telecom components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right Telecom part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can JIEXIN Electronics help source obsolete or hard-to-find Telecom parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.