JANHCA2N2484 STMICROELECTRONICS [STMicroelectronics], JANHCA2N2484 Datasheet - Page 9

• Manufacturer Part Number: JANHCA2N2484
• Description: SEMICONDUCTOR DEVICE, TRANSISTOR, NPN, SILICON, LOW-POWER TYPES 2N2484, 2N2484UA, 2N2484UB, JAN, JANTX, JANTXV, JANS, JANHC, AND JANKC
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

MIL-PRF-19500, and as specified herein. The following measurements shall be made in accordance with table I
herein. Devices that exceed the limits of table I herein shall not be acceptable.
Power shall be applied to achieve T
maximum rated P
with method 3131 of MIL-STD-750.
The maximum limit for Z
for 2N2484UA and 2N2484UB.
4.3 Screening (JANS, JANTX, and JANTXV levels only). Screening shall be in accordance with table IV of
4.3.1 Power burn-in conditions. Power burn-in conditions are as follows: V
NOTE: No heat sink or forced air cooling on the devices shall be permitted.
4.3.2 Thermal impedance (Z
Screen (see table
a. I
b. I
c. t
d. t
e. V
of MIL-PRF-
H
19500)
M
H
md
CE
heating time -------------------------25 - 30 ms.
forward heating current -----------50 mA (min).
measurement current -------------5 mA.
10
11
12
13
IV
3c
9
measurement delay time ------60 s max.
collector-emitter voltage ------10 V dc minimum.
T
(see 1.3). T
Thermal impedance (see 4.3.2)
I
48 hours minimum
I
whichever is greater.
See 4.3.1
240 hours minimum
Subgroups 2 and 3 of table I herein;
whichever is greater;
CBO2
CBO2
I
h
I
h
JX
CBO2
CBO2
FE4
FE4
under these test conditions are Z
, h
; h
=
= 15%
= 100% of initial value or 2 nA dc,
FE4
A
= 100% of initial value or 2 nA dc,
JX
FE4
= room ambient as defined in 4.5 of MIL-STD-750.
15%
;
measurements). The Z
J
= 135 C minimum and a minimum power dissipation = 75 percent of
JANS level
MIL-PRF-19500/376E
9
JX
JX
Measurement
measurements shall be performed in accordance
(max) = 150 C/W for 2N2484, Z
Thermal impedance (see 4.3.2)
Not applicable
48 hours minimum
I
See 4.3.1
80 hours minimum
Subgroup 2 of table I herein;
dc, whichever is greater;
CBO2
I
h
CBO2
FE4
,h
CB
JANTX and JANTXV levels
= 25%
= 100% of initial value or 2 nA
FE4
= 10 to 30 V dc:
JX
(max) = 67 C/W