PAM Connectors. PAM Bayonet Connectors

Similar documents
Amphenol C 091 A/B/D. Circular Connectors. Amphenol-Tuchel Electronics GmbH

Now Available in Black Zinc Nickel

Mini USB and USB 2.0-IP67 Connector System

Glenair Military and Industrial Power and Signal Connectors

AC SERIES-C TYPE DUAL CONNECTORS JACK/XLR

Outdoor Use Waterproof I/O Connectors (Optical / Modular / Electrical) FO-BH, FO-BC, NT5, JN2 / W Series

Quick Connect Boxes Inside Gloveboxes

Directory chapter 04

Waterproof Connectors for Outdoor Use

AC SERIES DUAL 1/4 (6.35mm) / XLR

14 PHOENIX CONTACT Courtesy of Power/mation Energy Lane, Saint Paul, MN

400 Series Buccaneer BUCCANEER POWER. bulgin

RJF TV Ethernet connection system for harsh environment

VG96929 Reverse Bayonet Single-Pole Connectors

QM (1.78mm-.070") CONNECTORS-"MICRO 70"

INNOVATION SUPPORTED BY A TRULY SOLID INDUSTRIAL ORGANIZATION.

DL AND DBA SERIES CONNECTORS QUALIFIED TO MIL-DTL SERIES III Weight-saving aluminum connectors designed for rugged use and high temperatures

CONEC SnapLock. 1 Introduction

400 Series - Mini USB Buccaneer

The Wild Children of D38999

Sealed Industrial Ethernet Circular IP67 Cat. 5e RJ45 Connector System

System 8. ü ( System 8

Jack to Jack adapters Plug to Plug U-Link connectors PCB Right angle plastic PCB Right angle - metal. Ordering Codes

HIROSE ELECTRIC U.S.A. Fiber Optic VAR July, 2015

Standard Buccaneer - Ethernet

BNC, N, TNC Connectors

CIN::APSE MICROMINIATURE D-SUB

INSTALLATION INSTRUCTIONS: Viewline 52 mm

Name: Bicycle Cellphone Charger Circuit Assembly Manual Device: Nokia/Blackberry List of Components:

IEC Connectors. Introduction

SMA Series Subminiature RF Connectors

Assembly Instruction CAI- Connector with universal Endbell

MDM. High performance Microminiature connectors, ESA qualified, for space applications.

SOURIAU s discrete wire sealing

ODU MINI-SNAP. Miniature Cylindrical Connectors with Push-Pull-Locking Series F

VOYAGER 570G. 744A Sprayer Control

ODU MEDI-SNAP. Miniature Circular Connectors with Push-Pull Locking Made of Plastic or Metal.

FASTON Terminals and Connectors

SMZ type 43 INTRODUCTION. The Radiall Type 43 coaxial connector range. Type 43 series - Features and benefits

Shortform Catalogue. Solutions for appliance & electronic applications. rocker switches. lever. switches. push. switches.

Industrial circular connectors

TINY xlr Plugs Jacks Phono "RCA" & DIN Connectors Patch Box & Stage Box Dual Banana Plug Technical Data...

C O N V E Y O R C O M P O N E N T S C H A I N S B E L T S B E A R I N G S

19-PIN. PLS 19-pin connector series. Features: SOLDER TYPE CRIMP TYPE PLS-5219LM PLS-5219CLM PLS-5219CLF PLS-5219LF PLS-5219SM PLS-5219CSM

Depending on which elastic support you have you can secure the V2 power unit to the following seat bracket tubes: EXTERNAL DIAMETER 27.

EPIC CIRCON M23 Series Circular Signal Connectors

Givare NC-SRS 280 och 880

User s Manual. BNC Mini-High Res, 75 Ohm Termination Kit Connector Installation Guide ( )

Clear Glass Sensor. Ordering Information E3S-CR67/62. Optimum Sensor for Detecting Transparent Glass and Plastic Bottles

PPS-PPQ-BT-PIAS RESIN INSULATORS FOR OIL INSULATED ELECTRICAL MACHINES

This product can be assembled to the baseplate maintaining 5 mm center-to-center spacing. Thus any number of poles can end-to-end stack.

VAQ. Built-in V-series Miniature Basic Switch for Compatibility with Business and Consumer Equipment. Pushbutton Switch (Cylindrical 10.5-dia.

SMA Connectors. RF Coax Connectors. Product Facts

HG600/HG800. Hydro-Power Unit. Installation and Operation Guide

ISO VIEW OF AX SERIES XLR CABLE CONNECTOR

BBWX1 Satellite Weather Receiver. Installation and Maintenance Guide

tidesmarine Smart Seal Temperature Alarm System Generation II Installation Instructions Starboard side cable

ELECTRIC KNIFE SHARPENER

Trapezoidal-Connectors Series TMC

Furniture Fittings Furniture Handles and Knobs

Cooktop Low-Profile Ventilation Hoods

POWER WAVE 455M/STT & (CE)

Directory chapter 02 - DIN Power (to 6 A) Types D, E, F, FM, 2F, F9, interface connectors I/U Technical characteristics types D and E

Document number RS-PRD Revision 05 Date 20/10/2009 Page 1/30

GISMA UNDERWATER CONNECTORS SERIES 40

Series Connectors for PCB

Elecraft K3 KPA3 Power Connector Replacement Revision A Review, April 16, 2012 Copyright 2012, Elecraft, Inc. All Rights Reserved

Custom Cable Assemblies for Medical Applications and more.

HARTING Ethernet Cabling 4-poles Overview

STANDARD MICRO-D CONNECTORS

HARTING Ethernet Cabling 8-poles Overview

Cables. Accessories. For Force, Torque and Strain Sensors

Type K current limiting fuse canister Technical information and installation guide

Optolite Indicators. General Purpose INDICATOR LIGHTS. Sub-Miniature. Miniature, Neon

D e s c r i p t i o n a n d De s i g n Fe a t u r e s

MANUAL TRANSMISSION CONTENTS ...

Hose and Tube Fittings Series 1-3

Temperature Sensors. Accessories. for Injection Molding. Types 6192B, 6193B,

Terminal Block WR-TBL

Universal MATE-N-LOK Connectors

Ordering Information. Cylindrical Proximity Sensor E2E/E2E2

SMD Rework Station TABLE OF CONTENTS

Standard Buccaneer - USB

Nordson Automatic Spray Gun Support Kits


Toroidal Conductivity Sensor

SMA Interface Mating Dimensions (Per MIL-STD-348)

INSTALLATION INSTRUCTIONS: Viewline 85 mm

08. SEK IDC CONNECTORS

NYS216. Technical Information. Product. Electrical. Mechanical. Material. Environmental. Product specific

Installation, operation and maintenance manual TX 35A

picomax The Pluggable Connection System

AM/FM ANTENNA KIT (TOUR-PAK MOUNT)

Guide rail bracket (for adjustable heads)

DIAMOND Retractable Rodding Robot Model SPRAYROD-R

Contactless Encoder RI360P0-QR24M0-INCRX2-H1181

Installation Instructions

Terminal Boxes Series 8146

TBi Industries. MIG / MAG Welding torches TBi Expert 0. 1

USB 3.0 Cables. Color. Black Black Black Black Black Black Black Black Black Black

Transcription:

PAM Bayonet Tel : 33 (0)1 60 84 21 40 Fax : 33 (0)1 60 84 43 81 info@bernier.tm.fr www.bernier.tm.fr

Overview Miniature audio connectors with bayonet locking system, equipped with 07 or 10 contacts, and making it possible to provide interfacing between a radiocommunication device and the audio accessories. The PAM connectors are specially appreciated for their reliability in harsh environnements. The connectors are compatible with the following standards : VG 95351 for the PAM 07 VG 96934 for the PAM 17 and they are registered on the GAM T1 list. Mechanical and Climatic Specification Cylindrical shell : Dull Black stainless steel Locking system : 3 pins bayonet Insulator : Thermoset Contacts : Self cleaning, gold plated contacts Temperature range : -55 C / +85 C Watertightness : Under 4m of water /2 hours Mechanical endurance : 5000 operations Electrical Specification : Working voltage : PAM 07/PAM17 -> 42 Veffmax/30 mvmini -> 100 Veffmax/30 mvmini Rating current : PAM 07/PAM 17 -> 500 mamax/30 µamini -> 1,5 Amaxi/30 µamini Contact resistance : 20 mohms at 25 C Insulation : >5000 MOhms Crosstalk at 20KHz : 80dB Dielectric rigidity : 500 V RMS,50Hz 1. Receptacle body 2. Flange O ring 3. Washer 4. Notch nut 5. Female insulator 6. O ring 7. Mobile contact 8. O ring 9. Plug body PAGE 3 : PAM 07 connectors PAGE 8 : PAM 17 connectors PAGE 13 : connectors 10. Male insulator 11. Straight backhell 12. Solder contact 13. Ring provision for screening 14. Cable stop 15. O ring 16. Friction washer 17. Backnut 18. Sleeve To receive a paper edition, the documentation updates and information on the new products, send us an email with your references at info@bernier.tm.fr. 2

PAM 07 Line PLUGS and EXTENSIONS Connector with 07 contacts Type : F : Plug P : Extension Polarization : N, W, X, Y Backshell type : M : Standard backshell R : Knurling for heat shrinkable sleeve B : Backshell for heat shrinkable sleeve and shielding Plating : 1 : Dull black Chromium plating 2 : Navy stainless steel 3 : Shot-peening Cable Diameter for the M backshell type (4, 5, 6 or 7mm) Part numbers PAM 07 F N M 1. 7 Line Connector with 07 contacts Type : S : Receptacle R : Dummy receptacle V : Wall mounting receptacle Polarization : N, W, X, Y see page 21 Nut type : E : Notch nut H : Hexagonal nut Plating : 1 : Dull black Chromium plating 2 : Navy stainless steel 3 : Shot-peening Contacts type : S : Studs to be soldered C : Contacts for PCB RECEPTACLES PAM 07 S N E 1 S Caps See page 18 Polarization See page 21 Printed circuit holing diagram See page 22 Panel holing See page 22 Tooling See page 23 3

PAM PAM 07 Synoptic Plugs PAM 07 FNM1.7 Receptacles PAM 07 SNE1C PAM 07 FNM3.7 PAM 07 SNE1S PAM 07 FNB1 PAM 07 VN1S PAM 07 FNR1 Caps for receptacles and extensions Extensions PAM 07 PNM1.7 PAM 07 BKCAF PAM 07 PNB1 PAM 07/17 BKCV Caps for plugs PAM 07 AKCT PAM 07 BNG1AF PAM 07 ANG1T Examples of PAM 07 connectors, more references available, easy customization and development possible, contact us. 4 Tel : 33 (0)1 60 84 21 40 Fax : 33 (0)1 60 84 43 81 info@bernier.tm.fr www.bernier.tm.fr PAM 07 BNG1E

PAM 07 Plugs PAM 07 FNB1* Bayonet audio plug 07 contacts polarization N with backshell for heat shrinkable sleeve and shielding PAM 07 FNM1.7* Bayonet audio plug 07 contacts polarization N black chromium with straight backshell diam. 7mm 53 19 100 PAM 07 FNR1* Bayonet audio plug 07 contacts polarization N black chromium for heat-shrinkable sleeve In order to increase the ground continuity between the PAM 07 connector bodies : the plug can be equipped with a ground ring contact us for more information. * Those references are examples, for other types : refer to page 3, easy customization and development contact us 5

PAM 07 Receptacles PAM 07 SNE1S* Bayonet audio receptacle with 07 solder contacts polarization N black chromium PAM 07 SNE1C* Bayonet audio receptacle with 07 contacts for PCB polarization N black chromium PAM 07 VN1S* Bayonet audio receptacle with 07 solder contacts polarization N screw support PAM 07 RNE1* Dummy receptacle 6 * Those references are examples, for other types : refer to page 3, easy customization and development contact us

PAM 07 Extensions PAM 07 PNB1* Bayonet audio extension 07 contacts polarization N backshell for heat shrinkable sleeve and shielding PAM 07 PNM1.7* Bayonet audio extension 07 contacts polarization N Black Chromium straight backshell diameter 7mm 103.4 19 56.3 * Those references are examples, for other types : refer to page 3, easy customization and development contact us 7

PAM 17 Line PLUGS and EXTENSIONS Connector with 10 contacts Type : F : Plug P : Extension L : Panel plug Polarization : N, W, X, Y, Z Backshell type : M : Standard backshell R : Backshell for heat shrinkable sleeve and shielding RA : Long backshell for heat shrinkable sleeve and shielding V : Wall mounting plug Plating : 1 : Dull black Chromium plating 2 : Navy stainless steel 3 : Shot-peening Cable Diameter for the M backshell type (4, 5, 6 or 7mm) Part Numbers PAM 17 F N M 1. 7 RECEPTACLES PAM 17 S N E R 1 S Line Connector with 10 contacts Type : S : Receptacle R : Dummy receptacle V : Wall mounting receptacle Polarization : N, W Nut type : E : Notch nut H : Hexagonal nut Backshell : R : With backshell for heat shrinkable sleeve and shielding (Only S contacts type do not mention-) Plating : 1 : Dull black Chromium plating 2 : Navy stainless steel 3 : Shot-peening Contacts type : S : Studs to be soldered C1, C2, C3 : Contacts for PCB 8 Caps See page 18 Polarization See page 21 Printed circuit holing diagram See page 22 Panel holing See page 22 Tooling See page 23

PAM PAM 17 Synoptic Plugs Receptacles PAM 17 FNM1.7 PAM 17 SNE1C1 PAM 17 FNM3.7 PAM 17 FNR1 PAM 17 SNE1S Extensions PAM 17 PNM3.7 PAM 17 FNRA1 Caps for receptacles and extensions PAM 17 BKCAF PAM 17 SNER1 PAM 17 BKCV Caps for plugs PAM 17 AKCT PAM 17 BNG1AF PAM 17 ANG1T Examples of PAM 17 connectors, more references available, easy customization and development possible, contact us. Tel : 33 (0)1 60 84 21 40 Fax : 33 (0)1 60 84 43 81 info@bernier.tm.fr www.bernier.tm.fr 9 PAM 17 BNG1E

PAM 17 Plugs PAM 17 FNR1* Mini bayonet audio plug 10 contacts polarization N with backshell for heat shrinkable sleeve and shielding PAM 17 FNRA1* Mini bayonet audio plug 10 contacts polarization N with long backshell for heat shrinkable sleeve and shielding 53 19 PAM 17 FNM1.7* Mini bayonet audio plug with 10 contacts polarization N black chromium straight backshell diam. 7mm 100 PAM 17 LNE1S* Wall mounting plug with solder contacts PAM 17 LNV1C* Wall mounting plug with grounding fingers * Those references are examples, for other types : refer to page 7, easy customization and development contact us 10

PAM 17 Receptacles PAM 17 SNE1S* Mini bayonet audio receptacle with 10 solder contacts polarization N black chromium PAM 17 SNE1C1* Mini bayonet audio receptacle with 10 contacts for PCB polarization N black chromium Contact type L A ØB C1 4.35 3.5 0.53 C2 8.95 3 0.5 C3 5 3.5 0.53 PAM 17 VN1S* Wall mounting receptacle PAM 17 RNE1* Dummy receptacle * Those references are examples, for other types : refer to page 8, easy customization and development contact us 11

PAM 17 Extensions PAM 17 PNR1* Mini bayonet audio extension 10 contacts polarization N with backshell for heat shrinkable sleeve and shielding PAM 17 PNM1.7* Mini bayonet audio extension 10 contacts polarization N standard backshell 103.4 19 56.3 12 * Those references are examples, for other types : refer to page 8, easy customization and development contact us

Line Type : F : Plug P : Extension L : Panel plug Part Numbers. PLUGS and EXTENSIONS F N M 1 Connector with 10 contacts Polarization : N, W, X, Y, Z Backshell type : M : Standard backshell C : Elbow backshell R : Backshell for heat shrinkable sleeve B : Backshell for heat shrinkable sleeve and shielding RA03-10 : Backshell heat-shrinkable sleeve and shielding Plating : 1 : Dull black Chromium plating 2 : Navy stainless steel 3 : Shot-peening Cable Diameter M and C backshell type (4, 5, 6 or 7mm) 7 Line Connector with 10 contacts Type : S : Receptacle R : Dummy receptacle Polarization : N, W, X, Y RECEPTACLES Nut type : E : Notch nut H : Hexagonal nut Plating : 1 : Dull black Chromium plating 2 : Navy stainless steel 3 : Shot-peening Contacts type : S : Studs to be soledered C or C2 : Contacts for PCB S N E 1 S Caps See page 18 Polarization See page 21 Printed circuit holing diagram See page 22 Panel holing See page 22 Tooling See page 23 13

PAM Synoptic Plugs FNM1.7 Receptacles SNE1S FNM3.7 SNE1C FNRA03-10 RNE1 FNC1.7 Extensions PNM1.7 FNR1 Caps for receptacles and extensions BKCAF Caps for plugs BKCT AKCT BNG1AF ANG1T Examples of connectors, more references available, easy customization and development possible, contact us. 14 Tel : 33 (0)1 60 84 21 40 Fax : 33 (0)1 60 84 43 81 info@bernier.tm.fr www.bernier.tm.fr BNG1E

Plugs FNM1.7* Bayonet audio plug 10 contacts polarization N straight backshell diameter 7mm FNC1.7* Bayonet audio plug 10 contacts polarization N elbow backshell diameter 7mm FNB1* Bayonet audio plug 10 contacts polarization N Backshell for heat shrinkable sleeve and shielding FNR1* Bayonet audio plug 10 contacts polarization N for heat shrinkable sleeve LNE1S* Wall mounting plug with solder contacts * Those references are examples, for other types : refer to page 14, easy customization and development contact us 15

Receptacles SNE1S* Bayonet audio receptacle with 10 solder contacts polarization N black chromium Receptacle A 8.5 ØB 1.15 SNE1C* Bayonet audio receptacle with 10 contacts for PCB polarization N black chromium Contact Type L A ØB C C2 5.7 9.6 3 4.4 0.7 RNE1* Dummy receptacle 16 * Those references are examples, for other types : refer to page 14, easy customization and development contact us

Extensions PNB1* Bayonet audio extension 10 contacts polarization N with backshell for heat shrinkable sleeve and shielding PNM1.7* Bayonet audio extension 10 contacts polarization N straight backshell diameter 7mm * Those references are examples, for other types : refer to page 14, easy customization and development contact us 17

Metallic Caps METALLIC CAPS Part numbers PAM 07 B N G 1 AF Line Size : 07, 17, 10 Type : A : For plug B : For receptacle and extension Polarization : N, W, X, Y, Z Material : G : Stainless steel D : Aluminium alloy Finish : 1 : Dull BlackChromium 3 : Shot peening Fixing type for caps type A and B : V : Terminal for screw T : Fastener Fixing type for caps type B : E : Vertical plastic flange E.H : Horizontal plastic flange AF : Vertical metallic ring with nut locking AF.H : Horizontal metallic ring wih nut locking EM : Simple Metallic ring Watertight metallic cap for receptacle and extension Receptacle type A maxi ØB maxi C PAM 07 / PAM 17 12.5 18 18.8 12.5 23 19.8 Watertight metallic cap for plugs Plug type A Maxi ØB maxi PAM 07 / PAM 17 18.7 17.7 18.7 23 18

Plastic Caps Part numbers PLASTIC CAPS PAM 07 B K C V Line Size : 07, 17, 10 Type : A : For plug B : For receptacle and extension Polarization : K : All polarization mateable Material : Thermoplastic elastomer Fixing type for caps type A and B : V : Terminal for screw T : Fastener Fixing type for caps type B : E : Vertical plastic flange E.H : Horizontal plastic flange AF : Vertical metallic ring with nut locking AF.H : Horizontal metallic ring with nut locking EM : Simple metallic ring Plastic cap for plug, receptacle and extension Type Size A ØB C A PAM 07 / PAM 17 15 15 20.4 25 14.1 16.1 B PAM 07 / PAM 17 14.5 15 15.5 20.4 11.5 14.1 19

Fixing for Caps V Metallic terminal for caps type A and B T Fixing for caps type A and B E Vertical Plastic flange for B type cap Receptacle type A +0,1 0 B ØC +0,1 0 R PAM 07 / PAM 17 12.75 13.5 14.2 10.75 18 18 20 12 E.H Horizontal For notch nut only AF Vertical Metallic ring with nut locking for B type cap Receptacle type A +0,1 0 B ØC +0,1 0 D PAM 07 / PAM 17 12.8 18.1 11 14.5 14.2 20.5 21 24 AF.H Horizontal 20

Polarization PAM 07 Part numbers A B C Color Type N 150 90 120 Red Type W 150 120 90 Yellow Type X 115 110 135 Green Type Y 95 100 165 Pink Front drawings - PAM 17 Part numbers A B C Color Type N 125 135 100 Red Type W 130 110 120 White PAM 17 Type N 125 95 140 White Type W 160 85 115 Blue Type X 155 100 105 Purple Type Y 130 110 120 Chrome Type Z 135 80 145 Dark Red 21

Printed Circuit Holing Diagram and Panel Holing Printed circuit holing diagram PAM 07 Welding side PAM 17 Welding side Contact Type C1 C2 C3 0.6 Welding side ØY +0,1 Contact Type ØY +0,1 0 0 C C2 0.8 Panel Holing Receptacle type A +0,1 0 B maxi ØC +0,1 0 ØD +0,1 0 PAM 07/17 12.9 3 14.2 14.2 18.2 3.5 20.2 21.2 Panel mounting diagram for clamp receptacle and wall mounting plugs 22

Tooling Locking key for notch nut Size Key part number ØA maxi B maxi PAM 07 /17 97002 19.2 23.4 90006 25.7 23.4 Tool case reference : B522 Locking torque Material Locking torque for nut receptacle type S and R Locking torque for nut receptacle type L Locking torque for backshells end type M and C Standard : Stainless Steel PAM 07/17 9 N.m 13N.m PAM 17 6N.m 9N.m PAM 07/17 6N.m 9N.m Weight Shell type Circular flange receptacle Plug Extension Dummy receptacle Wall mounting plug Size PAM 07 /17 PAM 07 /17 PAM 07 /17 PAM 07 /17 PAM 07 /17 Weights (grams) 14 26 Straight backshell : 34 - Straight backshell : 52 Elbow Backshell : 72 34 46 8 16 16 24 23

Cabling Operation Assembly of the plug straight backshell - Slide components on the cable following fig 1. - Backshell nut Item 1 - Washer Item 2 -SleeveItem 3 - Ring for screening Item 4 -Body Item 5 Fig 1 - Prepare the cable following fig A and fig B Fig A Fig B Adhesif ribbon Nylon cord Spread the shield along the cable and maintain it with an adhesif ribbon. Then make a node on the nylon cord - Connect the plug (Item 7) to a receptacle, solder the wires. - Introduce the node of the nylon cord in the split of the plastic ring (Item 6), - Get the wires through this part. - Cut the surplus of nylon cord. - Screw by hand the body (Item 5) on the plug (Item 7) - Spread the cable shield and maintain it against the body (Item 5) with the ring for screening (Item 4) - Slide the washer (item 2) on the sleeve (Item 3) - Screw the backshell nut (Item 1) with a dynamometric key - Tightening torque : 9N.m 24

NATO CODE PAM From the BERNIER company creation, many customers have used the BERNIER products for their high reliability in military projects, a lot of products have been registered in the NATO database, this list in non exhaustive. By Bernier part number By NATO code PAM 07 BKCE 5935 14 485 0267 5935 14 390 2228 FNM1.7 PAM 07 FNM1.6 5935 14 426 0691 5935 14 391 0385 FWM1.7 PAM 07 FNM1.7 5935 14 409 5632 5935 14 409 5632 PAM 07 FNM1.7 PAM 07 S1NE2C 5935 14 484 5008 5935 14 419 3225 PAM 07 SNE2S PAM 07 SNE2S 5935 14 419 3225 5935 14 426 0691 PAM 07 FNM1.6 ANG1T 5935 14 533 5851 5935 14 440 4393 PNM1.7 BKCE 5935 14 485 0267 5935 14 448 7364 PAM 17 FNR1 BKCV 5935 14 501 9145 5935 14 455 2378 SNE1S BNG1AF 5935 14 456 6943 5935 14 456 2542 SNE1C FNM1.7 5935 14 390 2228 5935 14 456 6943 BNG1AF FWM1.7 5935 14 391 0385 5935 14 484 5008 PAM 07 S1NE2C PNM1.7 5935 14 440 4393 5935 14 485 0267 PAM 07 BKCE SNE1C 5935 14 456 2542 5935 14 485 0267 BKCE SNE1S 5935 14 455 2378 5935 14 501 9145 BKCV PAM 17 FNR1 5935 14 448 7364 5935 14 518 0486 PAM 17 PNR1 PAM 17 PNR1 5935 14 518 0486 5935 14 533 5851 ANG1T 25