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Transistor - OC141, Germanium, SO-2 glass case, NPN
OC141 NPN germanium transistors. The OC141 is a popular NPN for fuzz pedals and boost effects. This transistor is in a glass SO-2 package with long leads commonly found on germanium transistors. The NPN polarity allows for use with standard pedal power supplies. The dot indicates the collector lead.
Pinout (bottom view):
SKU:
P-QOC141
Item ID:
046474
Brand:
Philips
Element:
Matched Pair:
Package:
Polarity:
Series:
Type:
| Element | Ge | |
| Max. Collector-Base Voltage | 20 V | |
| Max. Collector-Emitter Voltage | 15 V | |
| Max. Collector Current | 0.4 A | |
| Max. Operating Junction Temperature | 75 °C | |
| Min. Forward Current Transfer Ratio (hFE) | 40 | |
| Polarity | NPN | |
| Transition Frequency | 20 MHz |
| Packaging Dimensions | 0.212 in. × 0.212 in. × 2.222 in. | |
| Weight (Packaging) | 0.001 lbs. |
 Pinout (bottom view) | All Models |
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1 answers
Hello, one of my OC41s reads as a JFET on my transistor tester. The others all show NPN. How is this? Thanks!
Asked by oregon4418 on December 31st, 2022.
January 3rd, 2023
Staff Member
Since we are not familiar with your tester's parameters, we can't say why it is incorrectly identifying the germanium transistor as a JFET.
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