Example 1:
MICROCIRCUITS, MIL-PRF-38535
QML - One Part-One Part Number SMD
MIL-PRF-38535 Part Number Explanation.
5962A9215305#*X where,
5962 | Federal Stock Class Designator (1) |
A | "A" indicates no Radiation Hardness Assurance (RHA) |
92153 | Drawing Designator |
05 | Device Type |
# | Device Class: |
V = Level 1 | |
Q
= Level 2 M = Level 3 |
|
* | Case Outline (For specific choices of package styles refer to detail device drawing or Standard Military Drawing (SMD) |
X | Lead Finish (MIL-PRF-38535) |
(1) | Drawings initiated prior to 1986 may not contain a federal stock class designator |
Example 2:
MICROCIRCUITS, MIL-PRF-38535
(MIL-M-38510)
MIL-M-38510 Part Number Explanation.
M38510/65001#*X where,
M38510 | Military Specification Number (MIL-M-38510 has been incorporated into MIL-I-38535) |
/, - | A "/" or "-" indicates no Radiation Hardness Assurance (RHA). |
650 | Detail Device Procurement Specification Number |
01 | Device Type |
# | Device Class: |
S = Level 1 | |
B = Level 2 | |
* | Case Outline (For specific choices of package styles refer to detail device procurement specification) |
X | Lead Finish (MIL-PRF-38535) |
Example 3:
MICROCIRCUITS, MIL-PRF-38534 (HYBRIDS)
QML - One Part-One Part Number SMD
MIL-PRF-38534 Part Number Explanation.
5962H9215305#*X where,
5962 | Federal Stock Class Designator (1) |
H | Indicates Radiation Hardness Assurance (RHA) level. |
92153 | Drawing Designator |
01 | Device Type |
# | Device Class: |
K = Level 1 | |
H = Level 2 | |
* | Case Outline (For specific choices of package styles refer to detail device procurement specification) |
X | Lead Finish (MIL-PRF-38535) |
(1) | Drawings initiated prior to 1986 may not contain a federal stock class designator |
LEAD FINISH | |
Lead Finish Designator | Finish |
A | Hot solder dip |
B | Tin plating |
C | Gold plating |
D | Palladium plating |
RHA Designator | Total
Ionizing Dose
[RAD (Si)] |
Neutron
Fluence
(n/cm2) |
A, /, or - | No RHA | No RHA |
M | 3 x 103 | 2 x 1012 |
D | 1 x 104 | 2 x 1012 |
P | 3 x 104 | 2 x 1012 |
L | 5 x 104 | 2 x 1012 |
R | 1 x 105 | 2 x 1012 |
F | 3 x 105 | 2 x 1012 |
G | 5 x 105 | 2 x 1012 |
H | 1 x 106 | 2 x 1012 |
NOTE: Unless specifically stated within the parts selection tables of the NPSL, listing of a device technology herein does NOT imply/guarantee Radiation Hardness Assurance (RHA). Applications concerned with a device's ability to tolerate exposure to various forms of space radiation (e.g., total ionizing dose, single event effects, etc.) should be reviewed and have the device assessed by the Program's radiation assurance experts. The following resources may also be consulted for initial guidance:
NASA
Goddard Radiation Effects and Analysis
Jet Propulsion Laboratory
Radiation Effects