The documentation and process conversion measures
necessary to comply with this document shall be
completed by 24 June 2007.
INCH-POUND
MIL-PRF-19500/255V
24 March 2007
SUPERSEDING
MIL-PRF-19500/255U
26 July 2005
PERFORMANCE SPECIFICATION SHEET
*
SEMICONDUCTOR DEVICE, TRANSISTOR, NPN, SILICON, SWITCHING,
TYPES 2N2221A, 2N2221AL, 2N2222A, 2N2222AL, 2N2221AUA, 2N2222AUA, 2N2221AUB, 2N2222AUB,
2N2221AUBC, AND 2N2222AUBC, JAN, JANJ, JANTX, JANTXV, JANTXVM, JANTXVD, JANTXVP, JANTXVL,
JANTXVR, JANTXVF, JANTXVG, JANTXVH, JANS, JANSM, JANSD, JANSP, JANSL, JANSR, JANHCF, JANHCG,
JANSH, JANHC, JANHCM, JANHCD, JANHCP, JANHCL, JANHCR, JANHCF, JANHCG, JANHCH, JANKC,
JANKCM, JANKCD, JANKCP, JANKCL, JANKCR, JANKCF, JANKCG, AND JANKCH
This specification is approved for use by all Departments
and Agencies of the Department of Defense.
The requirements for acquiring the product described herein shall consist of
this specification sheet and MIL-PRF-19500.
1. SCOPE
1.1 Scope. This specification covers the performance requirements for NPN, silicon, switching transistors. Five
levels of product assurance are provided for each encapsulated device type as specified in MIL-PRF-19500, and two
levels of product assurance are provided for each unencapsulated device type. Provisions for radiation hardness
assurance (RHA) to four radiation levels is provided for JANTXV, JANS, JANHC, and JANKC product assurance
levels. RHA level designators “M”, “D”, “P“, “L”, “R”, “F’, “G” and “H” are appended to the device prefix to identify
devices, which have passed RHA requirements.
* 1.2 Physical dimensions. See figure 1 (similar to TO-18), figures 2, 3, and 4 (surface mount case outlines UA,
UB, and UBC), and figures 5 and 6 (JANHC and JANKC).
Comments, suggestions, or questions on this document should be addressed to Defense Supply Center,
Columbus, ATTN: DSCC-VAC, P.O. Box 3990, Columbus, OH 43218-3990, or emailed to
Semiconductor@dscc.dla.mil.
Since contact information can change, you may want to verify the currency of this
address information using the ASSIST Online database at
http://assist.daps.dla.mil
.
AMSC N/A
FSC 5961
MIL-PRF-19500/255V
*
1.3 Maximum ratings. Unless otherwise specified T
A
= +25°C.
I
C
mA dc
800
V
CBO
V dc
75
P
T
T
A
= +25°C
(1) (2)
W
0.50
0.50
0.50 (4)
0.50 (4)
0.50 (4)
0.50 (4)
V
CEO
V dc
50
P
T
T
C
= +25°C
(1) (2)
W
1
1
N/A
N/A
N/A
N/A
V
EBO
V dc
6
P
T
T
SP(IS)
=
+25°C (1) (2)
W
N/A
N/A
1
1
1
1
T
J
and T
STG
°C
-65 to +200
P
T
T
SP(AM)
=
+25°C (1) (2)
W
N/A
N/A
1.5
1.5
N/A
N/A
Types
2N2221A, AL
2N2222A, AL
2N2221AUA
2N2222AUA
2N2221AUB and UBC
2N2222AUB and UBC
R
θJA
(2) (3)
°C/W
325
325
325 (4)
325 (4)
325 (4)
325 (4)
R
θJC
(2) (3)
°C/W
150
150
N/A
N/A
N/A
N/A
R
θJSP(IS)
(2) (3)
°C/W
N/A
N/A
110
110
90
90
R
θJSP(AM)
(2) (3)
°C/W
N/A
N/A
40
40
N/A
N/A
(1)
(2)
(3)
(4)
For derating, see figures 7, 8, 9, 10, and 11.
See 3.3 for abbreviations.
For thermal impedance curves, see figures 12, 13, 14, 15, and 16.
For non-thermal conductive PCB or unknown PCB surface mount conditions in free air, substitute figures 7
and 12 for the UA, UB, and UC package and use R
θ
JA
.
*
1.4 Primary electrical characteristics. Unless otherwise specified, T
A
= +25°C.
h
FE
at V
CE
= 10 V dc
h
FE1
I
C
= 0. 1 mA dc
AL, UA, UB, UBC,
2N2221A, 2N2222A
Min
Max
Types
30
50
h
FE2
I
C
= 1.0 mA dc
AL, UA, UB, UBC,
2N2221A, 2N2222A
35
150
Limit
75
325
/h
fe
/
f = 100 MHz
V
CE
= 20 V dc
I
C
= 20 mA dc
h
FE3
I
C
= 10 mA dc
AL, UA, UB, UBC,
2N2221A, 2N2222A
40
100
h
FE4
(1)
I
C
= 150 mA dc
AL, UA, UB, UBC,
2N2221A, 2N2222A
40
120
100
300
h
FE5
(1)
I
C
= 500 mA dc
AL, UA, UB, UBC,
2N2221A, 2N2222A
20
30
C
obo
100 kHz
≤
f
≤
1 MHz
V
CB
= 10 V dc
I
E
= 0
pF
Switching (saturated)
t
on
See figure 17
ns
t
off
See figure 18
ns
2N2221A, 2N2222A
AL, UA, UB, and UBC
Types
Min
Max
Limit
2.5
8
V
CE(sat)1
(1)
I
C
= 150 mA dc
I
B
= 15 mA dc
V dc
V
CE(sat)2
(1)
I
C
= 500 mA dc
I
B
= 50 mA dc
V dc
35
V
BE(sat)1
(1)
I
C
= 150 mA dc
I
B
= 15 mA dc
V dc
0.6
1.2
300
V
BE(sat)2
(1)
I
C
= 500 mA dc
I
B
= 50 mA dc
V dc
2N2221A, 2N2222A
AL, UA, UB, and UBC
Min
Max
0.3
1.0
2.0
(1) Pulsed see 4.5.1.
2
MIL-PRF-19500/255V
Symbol
CD
CH
HD
LC
LD
LL
LU
L
1
L
2
P
Q
TL
TW
r
α
Dimensions
Inches
Millimeters
Min
Max
Min
Max
.178
.195
4.52
4.95
.170
.210
4.32
5.33
.209
.230
5.31
5.84
.100 TP
2.54 TP
.016
.021
0.41
0.53
.500
.750
12.70 19.05
.016
.019
0.41
0.48
.050
1.27
.250
6.35
.100
2.54
.030
0.76
.028
.048
0.71
1.22
.036
.046
0.91
1.17
.010
0.25
45° TP
45° TP
1, 2, 9, 11, 12, 13
Note
6
7,8
7,8,13
7,8
7,8
7,8
5
3,4
3
10
6
NOTES:
1. Dimensions are in inches.
2. Millimeters are given for general information only.
3. Beyond r (radius) maximum, TL shall be held for a minimum length of .011 inch (0.28 mm).
4. Dimension TL measured from maximum HD.
5. Body contour optional within zone defined by HD, CD, and Q.
6. Leads at gauge plane .054 +.001 -.000 inch (1.37 +0.03 -0.00 mm) below seating plane shall be within .007
inch (0.18 mm) radius of true position (TP) at maximum material condition (MMC) relative to tab at MMC.
7. Dimension LU applies between L
1
and L
2
. Dimension LD applies between L
2
and LL minimum. Diameter
is uncontrolled in L
1
and beyond LL minimum.
8. All three leads.
9. The collector shall be internally connected to the case.
10. Dimension r (radius) applies to both inside corners of tab.
11. In accordance with ASME Y14.5M, diameters are equivalent to
φx
symbology.
12. Lead 1 = emitter, lead 2 = base, lead 3 = collector.
13. For L suffix devices, dimension LL = 1.5 inches (38.10 mm) min. and 1.75 inches (44.45 mm) max.
FIGURE 1. Physical dimensions (similar to TO-18).
3
MIL-PRF-19500/255V
UA
Symbol
BL
BL2
BW
BW2
CH
L3
LH
LL1
LL2
LS
LW
LW2
Pin no.
Transistor
Dimensions
Inches
Millimeters
Min
Max
Min
Max
.215
.225
5.46
5.71
.225
5.71
.145
.155
3.68
3.93
.155
3.93
.061
.075
1.55
1.90
.003
.007
0.08
0.18
.029
.042
0.74
1.07
.032
.048
0.81
1.22
.072
.088
1.83
2.23
.045
.055
1.14
1.39
.022
.028
0.56
0.71
.006
.022
0.15
0.56
1
Collector
2
Emitter
3
Base
Note
3
5
5
4
N/C
NOTES:
1. Dimensions are in inches.
2. Millimeters are given for general information only.
3. Dimension CH controls the overall package thickness. When a window lid is used, dimension CH must increase
by a minimum of .010 inch (0.254 mm) and a maximum of .040 inch (1.020 mm).
4. The corner shape (square, notch, radius) may vary at the manufacturer's option, from that shown on the
drawing.
5. Dimensions LW2 minimum and L3 minimum and the appropriate castellation length define an unobstructed
three-dimensional space traversing all of the ceramic layers in which a castellation was designed.
(Castellations are required on the bottom two layers, optional on the top ceramic layer.) Dimension LW2
maximum and L3 maximum define the maximum width and depth of the castellation at any point on its surface.
Measurement of these dimensions may be made prior to solder dipping.
6. The co-planarity deviation of all terminal contact points, as defined by the device seating plane, shall not exceed
.006 inch (0.15mm) for solder dipped leadless chip carriers.
7. In accordance with ASME Y14.5M, diameters are equivalent to
φx
symbology.
FIGURE 2. Physical dimensions, surface mount (UA version).
4
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