U441
vs
U257
feature comparison
| Pbfree Code |
No
|
No
|
| Rohs Code |
No
|
No
|
| Part Life Cycle Code |
Obsolete
|
Obsolete
|
| Ihs Manufacturer |
NATIONAL SEMICONDUCTOR CORP
|
NATIONAL SEMICONDUCTOR CORP
|
| Part Package Code |
TO-71
|
|
| Package Description |
CYLINDRICAL, O-MBCY-W8
|
CYLINDRICAL, O-MBCY-W7
|
| Pin Count |
8
|
|
| Reach Compliance Code |
unknown
|
unknown
|
| ECCN Code |
EAR99
|
EAR99
|
| Configuration |
SEPARATE, 2 ELEMENTS
|
SEPARATE, 2 ELEMENTS
|
| FET Technology |
JUNCTION
|
JUNCTION
|
| Feedback Cap-Max (Crss) |
0.5 pF
|
|
| JEDEC-95 Code |
TO-71
|
TO-78
|
| JESD-30 Code |
O-MBCY-W8
|
O-MBCY-W7
|
| JESD-609 Code |
e0
|
e0
|
| Number of Elements |
2
|
2
|
| Number of Terminals |
8
|
7
|
| Operating Mode |
DEPLETION MODE
|
DEPLETION MODE
|
| Operating Temperature-Max |
150 °C
|
150 °C
|
| Package Body Material |
METAL
|
METAL
|
| Package Shape |
ROUND
|
ROUND
|
| Package Style |
CYLINDRICAL
|
CYLINDRICAL
|
| Polarity/Channel Type |
N-CHANNEL
|
N-CHANNEL
|
| Power Dissipation-Max (Abs) |
0.35 W
|
0.25 W
|
| Qualification Status |
Not Qualified
|
Not Qualified
|
| Surface Mount |
NO
|
NO
|
| Terminal Finish |
TIN LEAD
|
TIN LEAD
|
| Terminal Form |
WIRE
|
WIRE
|
| Terminal Position |
BOTTOM
|
BOTTOM
|
| Transistor Application |
AMPLIFIER
|
|
| Transistor Element Material |
SILICON
|
SILICON
|
| Base Number Matches |
4
|
1
|
|
|
|
Compare U441 with alternatives
Compare U257 with alternatives