| 1603721 | TP336A | Thermopile sensor | OPTO TECH |
| 1603722 | TP336E | Thermopile sensor | OPTO TECH |
| 1603723 | TP339U | Thermopile sensor | OPTO TECH |
| 1603724 | TP339UG | THERMOPILE | etc |
| 1603725 | TP339UG | Thermopile sensor | OPTO TECH |
| 1603726 | TP3400 | 0.2W 960MHz 12dB Gain 24V Class A | TRW |
| 1603727 | TP3401 | DASL Digital Adapter for Subscriber Loops | National Semiconductor |
| 1603728 | TP3402 | DASL Digital Adapter for Subscriber Loops | National Semiconductor |
| 1603729 | TP3403 | DASL Digital Adapter for Subscriber Loops | National Semiconductor |
| 1603730 | TP3403 | DASL Digital Adapter for Subscriber Loops 28-PLCC 0 to 70 | Texas Instruments |
| 1603731 | TP3403V/NOPB | DASL Digital Adapter for Subscriber Loops 28-PLCC 0 to 70 | Texas Instruments |
| 1603732 | TP3404 | QDASL Quad Digital Adapter for Subscriber Loops | National Semiconductor |
| 1603733 | TP3404 | Quad Digital Adapter for Subscriber Loops (QDASL) 28-PLCC | Texas Instruments |
| 1603734 | TP3404V | Quad Digital Adapter for Subscriber Loops (QDASL) | National Semiconductor |
| 1603735 | TP3404V/63SN | Quad Digital Adapter for Subscriber Loops (QDASL) 28-PLCC | Texas Instruments |
| 1603736 | TP3404V/NOPB | Quad Digital Adapter for Subscriber Loops (QDASL) 28-PLCC | Texas Instruments |
| 1603737 | TP3406 | DASL Digital Adapter for Subscriber Loops | National Semiconductor |
| 1603738 | TP3406N | DASL Digital Adapter for Subscriber Loops | National Semiconductor |
| 1603739 | TP3406V | DASL Digital Adapter for Subscriber Loops | National Semiconductor |
|
| 1603740 | TP3410 | ISDN Basic Access Echo-Cancelling 2B1Q U Transceiver | National Semiconductor |
| 1603741 | TP3410J | TP3410 ISDN Basic Access Echo-Cancelling 2B1Q U Transceiver | National Semiconductor |
| 1603742 | TP3410J304 | ISDN Basic Access Echo-Cancelling 2B1Q U Transceiver | National Semiconductor |
| 1603743 | TP3410J304-X | ISDN Basic Access Echo-Cancelling 2B1Q U Transceiver | National Semiconductor |
| 1603744 | TP3410WG304 | ISDN Basic Access Echo-Cancelling 2B1Q U Transceiver [Preliminary] | National Semiconductor |
| 1603745 | TP3420A | ISDN S/T Interface Device | National Semiconductor |
| 1603746 | TP3420A | ISDN S/T Interface Device 20-PLCC | Texas Instruments |
| 1603747 | TP3420AJ | ISDN S/T Interface Device | National Semiconductor |
| 1603748 | TP3420AN | ISDN S/T Interface Device | National Semiconductor |
| 1603749 | TP3420AN308 | ISDN S/T Interface Device | National Semiconductor |
| 1603750 | TP3420AV | ISDN S/T Interface Device | National Semiconductor |
| 1603751 | TP3420AV308 | ISDN S/T Interface Device | National Semiconductor |
| 1603752 | TP3420AV308/NOPB | ISDN S/T Interface Device 20-PLCC | Texas Instruments |
| 1603753 | TP3420AV309 | ISDN S/T Interface Device | National Semiconductor |
| 1603754 | TP3420AV309/63SN | ISDN S/T Interface Device 20-PLCC | Texas Instruments |
| 1603755 | TP3420AV309/NOPB | ISDN S/T Interface Device 20-PLCC | Texas Instruments |
| 1603756 | TP3421J | 7 V, ISDN S/T interface device with GCI ( general citcuit interface ) | National Semiconductor |
| 1603757 | TP3421N | 7 V, ISDN S/T interface device with GCI ( general citcuit interface ) | National Semiconductor |
| 1603758 | TP3451J | 7 V, ISDN HDLC and GCI ( general citcuit interface ) controller | National Semiconductor |
| 1603759 | TP3451N | 7 V, ISDN HDLC and GCI ( general citcuit interface ) controller | National Semiconductor |
| 1603760 | TP3460 | 7 V, ISDN interface USART | National Semiconductor |
