| 型号 | 厂商 | 描述 |
| pt4141c | Texas Instruments | CONV DC-DC 3.3V 5A SMD |
| pt4141ct | Texas Instruments | CONV DC-DC 24VIN 3.3V 5A SMD T/R |
| pt4142a | Texas Instruments | CONVERTER DC-DC 5V 4A HORZ |
| pt4142c | Texas Instruments | CONVERTER DC-DC 5V 4A HORZ SMD |
| pt4143a | Texas Instruments | CONVERTER DC-DC 12V 1.6A HRZ |
| pt4143c | Texas Instruments | CONVERTER DC-DC 12V 1.6A HRZ SMD |
| pt4143ct | Texas Instruments | CONV DC-DC 24VIN 12V 16A SMD T/R |
| pt4144a | Texas Instruments | CONVERTER DC-DC 15V 1.3A HRZ |
| pt4144c | Texas Instruments | CONVERTR DC-DC 15V 1.3A HRZ SMD |
| pt4146a | Texas Instruments | CONV DC-DC 1.5V 5A HORZ |
| pt4146c | Texas Instruments | CONV DC 1.5V 5A 24VIN HZ SMD |
| pt4147a | Texas Instruments | CONV DC-DC 1.8VOUT 5A 24VIN HZ |
| pt4147c | Texas Instruments | CONV DC 1.8VOUT 24VIN 5A HZ SMD |
| pt4148a | Texas Instruments | CONV DC-DC 2.5VOUT 24VIN 5A HZ |
| pt4148c | Texas Instruments | CONV DC 2.5VOUT 24VIN 5A HZ SMD |
| pt-4175wq | Mallory Sonalert Products Inc | BUZZER PIEZO 750HZ 44MM FLANGE |
| pt4212a | Texas Instruments | CONVERTER DC-DC 3.3VIN 1.5A HRZ |
| pt4212c | Texas Instruments | CONV DC-DC 3.3V 1.5A SMD |
| pt4213a | Texas Instruments | CONVERTER DC-DC 5VIN 1.2A HRZ |
| pt4213c | Texas Instruments | CONVERTER DC-DC 5VIN 1.2A SMD |
| pt4214a | Texas Instruments | CONV DC-DC 12V .6A HORZ |
| pt4214c | Texas Instruments | CONV DC-DC 12V .6A SMD |
| pt4221a | Texas Instruments | CONV DC/DC 1.8V 3A HZ 10-SIP |
| pt42-21b/tr8 | Everlight Electronics Co Ltd | PHOTOTRANSISTOR 1.8MM RND BK SMD |
| pt42-21b/tr8 | Everlight Electronics Co Ltd | PHOTOTRANSISTOR 1.8MM RND BK SMD |
| pt42-21b/tr8 | Everlight Electronics Co Ltd | PHOTOTRANSISTOR 1.8MM RND BK SMD |
| pt4221c | Texas Instruments | CONVERTER DC-DC 1.8VIN 3.0A SMD |
| pt4221n | Texas Instruments | CONVERTER DC-DC 1.8VIN 3.0A VRT |
| pt4222a | Texas Instruments | CONV DC/DC 3.3V 3A HZ 10-SIP |
| pt4222c | Texas Instruments | CONV DC/DC 3.3V 3A SMD 10-SIP |
| pt4222n | Texas Instruments | CONVERTER DC-DC 3.3VIN 3.0A VRT |
| pt4223a | Texas Instruments | CONV DC/DC 5V 2A HZ 10-SIP |
| pt4223c | Texas Instruments | CONV DC/DC 5V 2A SMD 10-SIP |
| pt4223n | Texas Instruments | CONVERTER DC-DC 5VIN 2.0A VRT |
| pt4224a | Texas Instruments | CONV DC/DC 12V .85A HZ 10-SIP |
| pt4224c | Texas Instruments | CONV DC/DC 12VIN .85A SMD 10-SIP |
| pt4224n | Texas Instruments | CONV DC/DC 12V .85A VERT 10-SIP |
| pt4225a | Texas Instruments | CONVERTER DC-DC 2.5VIN 3.0A HRZ |
| pt4225c | Texas Instruments | CONVERTER DC-DC 2.5VIN 3.0A SMD |
| pt4225n | Texas Instruments | CONVERTER DC-DC 2.5VIN 3.0A VRT |
| pt4226a | Texas Instruments | CONVERTER DC-DC 1.5VIN 3.0A HRZ |
| pt4226c | Texas Instruments | CONVERTER DC-DC 1.5VIN 3.0A SMD |
| pt4226n | Texas Instruments | CONVERTER DC-DC 1.5VIN 3.0A VRT |
| pt4227a | Texas Instruments | CONV DC/DC 1.3V 3A HZ 10-SIP |
| pt4227c | Texas Instruments | CONV DC/DC 48VIN 1.3V 3A 10-SIP |
| pt4227n | Texas Instruments | CONV DC/DC 48VIN 1.3V 3A 10-SIP |
| pt4241a | Texas Instruments | CONVERTER DC-DC 24VIN 3.0A HRZ |
| pt4241c | Texas Instruments | CONVERTER DC-DC 24VIN 3.0A SMD |
| pt4241n | Texas Instruments | CONVERTER DC-DC 24VIN 3.0A VRT |
| pt4242a | Texas Instruments | CONV DC/DC 3.3V 3A HZ 10-SIP |