1、AMSC N/A FSC 5930 INCH-POUND MIL-PRF-22885/112A 21 March 2013 MIL-PRF-22885/112 1 April 2005 PERFORMANCE SPECIFICATION SHEET SWITCHES, PUSHBUTTON, WHITE LIGHT EMITTING DIODE (LED) ILLUMINATED, STANDARD, NIGHT VISION IMAGING SYSTEM (NVIS) AND SUNLIGHT READABLE DISPLAYS, DIMMABLE, SPDT AND DPDT, LOW L
2、EVEL TO 7 AMPERES, SEALED AND UNSEALED, SOLDER AND COMMON TERMINATION SYSTEM (CTS) TERMINATIONS This specification is approved for use by all Departments and Agencies of the Department of Defense. The complete requirements for acquiring the switch described herein shall consist of this specification
3、 and the latest issue of MIL-PRF-22885. NOTES 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerance is .03. 4. Pushbutton design shall provide a means to prevent incorrect installation and a means of retention with switch
4、body during service. 5. See figure 8 for recommended mounting panel cutouts and thickness ranges. Inches .03 .14 .20 mm 0.8 3.6 5.1 Inches .24 .35 mm 6.1 8.9 Inches .39 .52 mm 9.9 13.2 Inches .75 1.21 mm 19.1 30.7 FIGURE 1. Switches - type I (unsealed, solder terminals) and type II (dripproof seal(s
5、), solder terminals). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-22885/112A 2 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerance is .03. 4. Pushbutto
6、n design shall provide a means to prevent incorrect installation and a means of retention with switch body during service. 5. See figure 8 for recommended mounting panel cutouts and thickness ranges. Inches .03 .14 mm 0.8 3.6 Inches .24 .43 mm 6.1 10.9 Inches .45 .52 mm 11.4 13.2 Inches .90 1.05 mm
7、22.9 26.7 FIGURE 2. Switches - type III (watertight and splashproof seal, solder terminals). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-22885/112A 3 Contact Part Number Dimension A (inches) M39029/22-192 1.46 M39029/16-168 1.59 NOTES: 1.
8、 Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerance is .03. 4. Pushbutton design shall provide a means to prevent incorrect installation and a means of retention with switch body during service. 5. The CTS receptacle assem
9、bly shall be removable from switch module and switch housing unit assembly. 6. The switch module is an integral part of the switch housings and CTS unit assembly. 7. The CTS pins shall be M39029/22-192 or M39029/16-168 and shall be removable from the CTS module assembly. The CTS pins accept 20, 22,
10、or 24 gauge wire. 8. See figure 8 for recommended mounting panel cutouts and thickness ranges. Inches .20 .24 .35 mm 5.1 6.1 8.9 Inches .43 .44 mm 10.9 11.2 Inches .52 .75 mm 13.2 19.1 Inches 1.46 1.59 mm 37.1 40.4 FIGURE 3. Switches, common termination system - type IV (unsealed) and type V (drippr
11、oof seal(s). M39029/22-192 OR M39029/16-168 NOT SUPPLIED WITH CONNECTOR Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-22885/112A 4 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless o
12、therwise specified, tolerance is .03. 4. Pushbutton design shall provide a means to prevent incorrect installation and a means of retention with switch body during service. 5. The CTS receptacle assembly shall be removable from switch module and switch housing unit assembly. 6. The switch module is
13、an integral part of the switch housings and CTS unit assembly. 7. The CTS pins shall be M39029/22-192 or M39029/16-168 and shall be removable from the CTS module assembly. The CTS pins accept 20, 22, or 24 gauge wire. 8. See figure 8 for recommended mounting panel cutouts and thickness ranges. Inche
14、s .39 .44 .52 mm 9.9 11.2 13.2 Inches .98 1.30 1.43 mm 24.9 33.0 36.3 FIGURE 4. Switch - type Vl (watertight and splashproof seal, common termination system). M39029/22-192 OR M39029/16-168 NOT SUPPLIED WITH CONNECTOR Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
15、se from IHS-,-,-MIL-PRF-22885/112A 5 FIGURE 5. Terminal location and identification. NOTES: 1. Terminals five and seven are normally closed (NC). 2. Terminals one and four are normally open (NO). 3. Terminals eight and ten are common (C). 4. For indicator only, terminals one, four, five, seven, eigh
16、t, and ten are omitted. 5. For SPDT switch, terminals four, seven, and ten are omitted. FIGURE 6. Switch circuits. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-22885/112A 6 5 VOLT LED WITHOUT VOLTAGE DIMMING 28 VOLT LED WITHOUT VOLTAGE DIM
17、MING FIGURE 7. Light emitting diode circuit schematics. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-22885/112A 7 28 VOLT LED WITH VOLTAGE DIMMING FIGURE 7. Light emitting diode circuit schematics - Continued. Provided by IHSNot for Resale
18、No reproduction or networking permitted without license from IHS-,-,-MIL-PRF-22885/112A 8 Mounting panel thickness Switch body types Panel thickness ranges I and IV flush .00 to .92 (0.0 to 23.4) I and IV extended .00 to .77 (0.0 to 19.6) II and V flush .00 to .88 (0.0 to 22.4) II and V extended .00
19、 to .73 (0.0 to 18.5) III and VI .00 to .77 (0.0 to 19.6) NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. FIGURE 8. Recommended mounting panel cutouts and thickness ranges. Provided by IHSNot for ResaleNo reproduction or networking permitted without
20、license from IHS-,-,-MIL-PRF-22885/112A 9 FIGURE 9. Common termination system mechanical details. REQUIREMENTS: Design and construction: See figures 1 through 9. Complete switch and pushbutton assembly includes the following: Switch body: Type I switch bodies include a mounting sleeve and two panel
21、mounting spacers. See figure 1. Type II switch bodies include a mounting sleeve, two panel mounting spacers, and dripproof panel seals. See figure 1. Type III switch bodies include a mounting sleeve, panel mounting spacer, splashproof/watertight seal, seal retainer, and gasket. See figure 2. Type IV
22、 switch bodies include a mounting sleeve, two panel mounting spacers, and CTS module/receptacle. See figure 3. Type V switch bodies include a mounting sleeve, two panel mounting spacers, dripproof panel seal, and CTS module/receptacle. See figure 3. SOCKET CONTACT, CRIMP TYPE, M39029/22-192 or M3902
23、9/16-168 PER SAE-AS39029/22 OR /16 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-22885/112A 10 Type Vl switch bodies include a mounting sleeve, panel mounting spacer, splashproof/watertight seal, seal retainer, gasket, and CTS module/recept
24、acle. See figure 4. Pushbutton: All pushbutton assemblies include a display faceplate and legend assembly, display segment divider, replaceable LED light source assembly, pushbutton faceplate seal, retainer/ bezel, and optional captive pushbutton retainer. Other parts, when applicable, are NVIS comp
25、atible filters, EMI/RFI shielding, and dripproof or splashproof/watertight seals. Enclosure designs: Symbol Switch type 1 (unsealed) 1 and IV 2 (dripproof) II and V 3 (watertight) and 4 (splashproof). III and Vl Temperature characteristic: Symbol 1 (-55 C to +85 C). Vibration grade: Symbol 3 (10 to
26、2,000 Hz, 15 g peak). Operation: Symbol A (momentary action switch). Symbol B (alternate action switch). Symbol H (indicator light). Display types: N - Legend is white on nonreflective matte black background when LED is not lighted. Legend is colored on black background when LED is lighted. W - Lege
27、nd is opaque black on white background when LED is not lighted. Legend is opaque black on colored background when LED is lighted. S - Sunlight readable contrast requirements apply. Background is nonreflective matte black. Legend is not visible when LED is not lighted. Legend appears in color on blac
28、k background when LED is lighted. Material: Finish: When used, shall be selected to enable the switch to meet performance requirements of this specification. It may be Aluminum alloy black anodized per MIL-A-8625, Type II, Class 2, or chemical filmed per MIL-C-5541, Class 3. Operating characteristic
29、s: Actuating force: 5 pounds (22.2 N) max. Plunger travel: .130 .030. Pushbutton removal force: 2 to 5 pounds (8.9 N to 22.2 N). Not applicable to type III or type Vl (sealed) switches. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-22885/11
30、2A 11 Shock: All switch types: Method I (75 g). Switch types III and Vl (sealed switches): High impact shock in accordance with MIL-S-901, grade A, class II (for deck-mounted equipment) when attached to the anvil plate of the shock machine by means of standard mounting (figure 11-C) with simulated c
31、onsole, which provides resilient mounting typical of in-service use within ”deck-mounted” electronic cabinets or panels. These units are not recommended for direct ”hull mounted” applications. Salt spray: Test condition A (96 hours). Sand and dust: Applicable. Terminal strength: Solder terminals, ap
32、plied force and direction of force: 3 pounds perpendicular to the long axis, and 5 pounds parallel to the long axis. Electrical endurance: 25,000 cycles at the following electrical ratings: Silver contacts: Sea level 50,000 feet 28 V dc: Resistive 7.0 A 4.0 A Inductive 4.0 A 2.5 A Lamp 2.5 A 2.5 A 1
33、15 V ac, 60 Hz: Resistive 7.0 A Inductive 7.0 A Lamp 2.0 A Gold plated contacts: 28 V dc: Resistive 1.0 A Inductive. 0.5 A Low-level life: Applicable to switches with gold plated contacts. Intermediate current: Applicable to switches with silver contacts. Mechanical endurance: 100,000 cycles consist
34、ing of 5,000 cycles of operation at -55C 2C, 10,000 cycles of operation at +85C 2C, and 85,000 cycles of operation at room temperature. Voltage Dimming Control: Applicable to 28 VDC lighting circuits with dimming devices only. These control circuits allow to adjust LED pushbutton display brightness
35、with variable voltage, similar to displays with incandescent lamps. The Nominal Dimming Curve with high and low limits is shown in figure 10. It starts at about 8.4 V where LED current is approximately 0.002 mA and continues to 28 V where current reaches 20 mA 2 mA. Note, that display brightness (lu
36、minance) is directly proportional to LED current. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-22885/112A 12 FIGURE 10. Voltage dimming curve. Illuminated color and luminance: See table I for color limits. See table III for luminance requi
37、rements. TABLE I. Illuminated color limits (except NVIS). 1/ WHITE Code WH RED Code RD GREEN Code GR AVIATION YELLOW Code AY LEMON YELLOW Code LY BLUE Code BL x y x y x y x y x y x y 0.300 0.270 0.695 0.285 0.300 0.560 0.545 0.425 0.450 0.500 0.140 0.100 0.300 0.305 0.705 SL 2/ 0.300 SL 2/ 0.560 SL
38、2/ 0.475 SL 2/ 0.140 0.190 0.365 0.395 0.650 0.330 0.375 0.560 0.590 0.382 0.505 0.445 0.220 0.100 0.365 0.360 0.660 SL 2/ 0.375 SL 2/ 0.604 SL 2/ 0.530 SL 2/ 0.220 0.190 1/ The colors are expressed as “x“ and “y“ coordinates on the standard 1931 CIE chromaticity diagram. Illuminated colors, measure
39、d as specified herein, shall be within the limits bounded by the coordinates listed for each color (see figure 11). 2/ The term “SL“ indicates where intersections occur with the spectrum locus on the CIE chromaticity diagram. 0.000.250.500.751.001.251.500.00 4.00 8.00 12.00 16.00 20.00 24.00 28.00No
40、rmalized LuminanceInput Voltage (Volts) High Limit Low Limit Nominal Luminance Value Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-22885/112A 13 FIGURE 11. LED display colors - CIE 1931 chromaticity diagram. Provided by IHSNot for ResaleNo
41、reproduction or networking permitted without license from IHS-,-,-MIL-PRF-22885/112A 14 TABLE II. NVIS chromaticity requirements. 1/ NVIS WHITE Code NW NVIS RED Code NR NVIS GREEN A Code GA NVIS GREEN B Code GB NVIS YELLOW Code NY NVIS BLUE Code NB u1v1r u1v1r u1v1r u1v1r u1v1r u1v1r 0.190 0.490 0.0
42、40 0.450 0.550 0.060 0.088 0.543 0.037 0.131 0.623 0.057 0.274 0.622 0.083 0.175 0.167 0.040 1/ The colors are expressed as “ u1“, “ v1“ and “ r “ on the CIE 1976 UCS chromaticity diagram. Illuminated colors, measured as specified herein, shall be within the limits bounded by the coordinates listed
43、for each color. TABLE III. Luminance performance. Display type Symbol Color Description Minimum average luminance (foot-lamberts) N White 530 N Red 75 N Green 170 N Aviation Yellow 410 N Lemon Yellow 850 N Blue 85 W White 530 W Red 75 W Green 170 W Aviation Yellow 410 W Lemon Yellow 850 W Blue 85 S
44、White 740 S Red 180 S Green 490 S Aviation Yellow 630 S Lemon Yellow 990 S Blue 220 S NVIS Blue 180 S NVIS Red 180 S NVIS Green B 180 S NVIS Yellow, Class B 350 S NVIS White 600 S NVIS Yellow, Class A 250 S NVIS Green A 350 Sunlight readability: Applicable to display type S switches. Units shall be
45、tested for 1= 45 and 2= 0 only. This procedure does not test readability in direct reflected specular sunlight (glare). The average contrast ratio of each lighted legend character to the background shall be 0.6 minimum. In the unlighted legend condition, the average contrast ratio of each legend cha
46、racter to the background shall have an absolute value of less than 0.1. The legend used for testing shall have a character height of approximately 0.1 inch. The stroke width shall be characteristic of each manufacturers standard military product. Provided by IHSNot for ResaleNo reproduction or netwo
47、rking permitted without license from IHS-,-,-MIL-PRF-22885/112A 15 NVIS compatibility: When switches are tested as specified below, the chromaticity, luminance and spectral radiance output of the illuminated display shall be NVIS compatible as specified in MIL-L-85762 or MIL-STD-3009 as applicable.
48、The following equipment requirements apply: NVIS green A and B: Shall meet all class A and class B equipment requirements for illuminated controls. NVIS yellow: Shall meet all class A and class B equipment requirements for caution and warning signals. NVIS red: Shall meet type I and type II class B equipment requirements for warning signals. NVIS white: Shall meet all class A and class B equipment requirements for electronic and el
