Home > Products > Coaxial Connector (RF) Accessories >Coaxial Connector (RF) Adapters > SMP3 SMPM SMP Miniature Connectors Including Bel Fuse 127-1901-822 Compliant with Military Standards

SMP3 SMPM SMP Miniature Connectors Including Bel Fuse 127-1901-822 Compliant with Military Standards

Manufacturer:
Bel Fuse
Description:
Coaxial Connector (RF) Adapters RoHS
Category:
Coaxial Connector (RF) Accessories/Coaxial Connector (RF) Adapters
Specifications
Mfr. Part #:
127-1901-822
Model Number:
127-1901-822
Introduction

High Speed Miniature Connectors: SMP3, SMPM, and SMP

Cinch Connectivity Solutions, a Bel group company, offers a comprehensive range of high-speed miniature connectors including SMP3, SMPM, and SMP series. These sub-miniature, push-on style connectors are designed for high-frequency applications, offering blind-mate capabilities, excellent electrical performance, and suitability for dense packaging. They are ideal for demanding environments with high shock and vibration, commonly found in networking, telecommunications, military, aerospace, and test equipment industries.

Product Attributes

  • Brand: Cinch Connectivity Solutions (Johnson)
  • Origin: USA
  • Family of Connectors: SMP3, SMPM, SMP
  • Interface Standards: MIL-STD-348A
  • Certifications: Meets or exceeds applicable paragraphs of MIL-PRF-39012

Technical Specifications

General Environmental Specifications

Specification Details
Operating Temperature -65C to +165C
Thermal Shock MIL-STD-202, Method 107, Condition B
Corrosion/Salt Spray MIL-STD-202, Method 101, Condition B
Vibration MIL-STD-202, Method 204, Condition D
Mechanical Shock MIL-STD-202, Method 213, Condition I
Moisture Resistance MIL-STD-202, Method 106 (except step 7b omitted)

SMP3 Series

Specification Details
Introduction Next generation of sub-miniature push-on style connectors, approximately 30% smaller than SMPM, operates to 67 GHz. Ideal for high shock and vibration applications. Features a floating bullet for misalignment compensation.
Mechanical Interface Design MIL-STD-348A, Series SMP3
Engagement Force (max, mated pair) Full Detent (FD): 2.5 lbs
Disengagement Force (min, mated pair) Full Detent (FD): 4.5 lbs
Mated Radial Misalignment 0.010 (between centerlines of mating planes)
Mated Axial Misalignment (between mating planes)
Durability (mating cycles min) Full Detent: 100 cycles
Surface Mount Connectors (Examples)
  • End Launch Male, Full Detent: VSWR 1.5 Max, Freq. DC - 50 GHz
  • End Launch Male, 2 Port, Full Detent: VSWR 1.5 Max, Freq. DC - 67 GHz
  • Vertical Surface Mount, Full Detent: VSWR 1.4 Max, Freq. DC - 50 GHz
Bullet Adapter
  • SMP3 Female to Female: Impedance 50 Ohms, VSWR 1.4 Max, Freq. DC - 67 GHz
Between Series Adapters (Examples)
  • 1.85mm Male to SMP3 Male: Passivated, 50 Ohms, VSWR 1.30 Max, Freq. DC - 67 GHz
  • 2.4mm Male to SMP3 Male: Passivated, 50 Ohms, VSWR 1.25 Max, Freq. DC - 50 GHz
  • 2.92mm Male to SMP3 Male: Passivated, 50 Ohms, VSWR 1.25 Max, Freq. DC - 40 GHz

SMPM Series

Specification Details
Introduction Sub-miniature, push-on style micro interfaces, approximately 35% smaller than SMP. Operates up to 65 GHz. Offers higher-density connection points and solid Return Loss performance. Available in PC mount, End Launch, Vertical Launch, and cabled styles. Offered in full detent or smooth bore designs.
Key Features & Benefits 35% smaller than SMP connectors; DC-65GHz; Bullet adapter provides blind mate capabilities; Excellent electrical performance with axial and radial misalignment.
Electrical Specifications
  • Impedance: 50 Ohms
  • Frequency Range: Bullet adapter, semi-rigid straight cabled connectors 0-40 GHz; All other in-series adapters and connectors 0-18 GHz
  • VSWR (max): Varies by frequency (e.g., 1.15 for 0-18 GHz, 1.45 for 40-65 GHz)
  • Insertion Loss (max, at 10GHz): 0.10 F (GHz)
  • Working Voltage: 335 Vrms max (sea level)
  • Dielectric Withstanding Voltage: 500 Vrms min (sea level)
  • RF High Potential Withstanding Voltage: 325 Vrms min (sea level)
  • Contact Resistance (max initial): Inner conductor 6.0 mOhms, Outer conductor 2.0 mOhms
  • Insulation Resistance: 5000 megohms min
  • RF Leakage: -80 dB
Mechanical Specifications
  • Interface Design: MIL-STD-348A, Series SMPM
  • Engagement Force (max, mated pair): Full Detent (FD) 15.0 lbs, Limited Detent (LD) 10.0 lbs, Smooth Bore (SB) & Catcher's Mitt (CM) 2.0 lbs
  • Disengagement Force (min, mated pair): FD 5.0 lbs, LD 2.0 lbs, SB & CM 0.5 lbs
  • Mated Radial Misalignment: 0.010 (FD, LD, SB), 0.020 (CM only)
  • Mated Axial Misalignment: 0.010 (female adapters only)
  • Durability (mating cycles min): FD 100, LD 500, SB & CM 1000
  • Contact Retention: 1.5 lbs min axial force
  • Cable Retention: Varies by cable type (e.g., 30 lbs axial for 0.086 semi-rigid)
PCB Mount Connectors (Examples)
  • Straight PC Mount, Female: VSWR Dependent, Freq. 0 - 40 GHz
  • Straight PC Mount, Male, Full Detent: VSWR Dependent, Freq. 0 - 40 GHz
  • Low Profile Straight PC Mount, Male, Full Detent (0.150 height): VSWR Dependent, Freq. 0 - 20 GHz
End Launch Connectors (Examples)
  • End Launch Male, Full Detent: VSWR Dependent, Freq. 0 - 40 GHz
Vertical Launch Connectors (Examples)
  • Vertical Launch, Microstrip: Impedance 50 Ohms, VSWR 1.4 Typical, Freq. DC - 65 GHz
0.047 Cable Connectors (Examples)
  • Straight Male for 0.047 semi-rigid cable, Full Detent: VSWR 1.15 Max to 26.5 GHz, 1.30 Max to 40 GHz, Freq. DC - 40 GHz
0.086 Cable Connectors (Examples)
  • Straight Male for 0.086 semi-rigid cable, Full Detent: VSWR 1.15 Max (18 GHz), 1.25 Max (40 GHz), 1.45 Max (65 GHz)
Flange Mount Connectors (Examples)
  • 2-hole flange mount male shroud, full detent: Freq. DC - 40 GHz
Ganged Edge Mount Connectors (Examples)
  • 2 Ports, Full Detent: VSWR 1.15 Max, Freq. 0 - 65 GHz
Blind Mate Interconnects (Examples)
  • Bullet adapter, 0.210 Length: VSWR 1.15 Max (DC-18 GHz), 1.45 Max (40-65 GHz)
Between Series Adapters (Examples)
  • SMA Plug to SMPM Plug: VSWR 1.20 Max (DC-20 GHz), 1.25 Max (20-26.5 GHz)
Tools (Examples)
  • SMPM extraction tool for cabled connectors
  • SMPM bullet adapter installation/extraction tool
  • SMPM bullet extraction removal tool

SMP Series

Specification Details
Introduction Industry standard sub-miniature, push-on connector interface known for micro miniature size and blind mate capability. Accommodates up to 9 degrees axial and radial misalignment with minimal impact on VSWR. Intermateable with Corning Gilbert GPO and other industry SMP connectors. Offers excellent return loss performance from DC to 40 GHz.
Electrical Specifications
  • Impedance: 50 Ohms
  • Frequency Range: Bullet adapter, semi-rigid straight cabled connectors 0-40 GHz; All other in-series adapters and connectors 0-18 GHz
  • VSWR (max): Varies by frequency (e.g., 1.10 for 0-18 GHz, 1.70 for 26.5-40 GHz)
  • Insertion Loss (max, at 10GHz): 0.10 F (GHz)
  • Working Voltage: 335 Vrms max (sea level)
  • Dielectric Withstanding Voltage: 500 Vrms min (sea level)
  • RF High Potential Withstanding Voltage: 325 Vrms min (sea level)
  • Contact Resistance (max initial): Inner conductor 6.0 mOhms, Outer conductor 2.0 mOhms
  • Insulation Resistance: 5000 megohms min
  • RF Leakage: -80 dB
Mechanical Specifications
  • Interface Design: MIL-STD-348A, Series SMP
  • Engagement Force (max, mated pair): FD 15.0 lbs, LD 10.0 lbs, SB & CM 2.0 lbs
  • Disengagement Force (min, mated pair): FD 5.0 lbs, LD 2.0 lbs, SB & CM 0.5 lbs
  • Mated Radial Misalignment: 0.010 (FD, LD, SB), 0.020 (CM only)
  • Mated Axial Misalignment: 0.010 (female adapters only)
  • Durability (mating cycles min): FD 100, LD 500, SB & CM 1000
  • Contact Retention: 1.5 lbs min axial force
  • Cable Retention: Varies by cable type (e.g., 30 lbs axial for 0.086 semi-rigid)
PCB Mount Connectors (Examples)
  • Straight PC Mount Male Receptacle: Passivated, Full Detent, Freq. 0-12GHz
  • Male, Straight Surface Mount, Full Detent: Freq. 0-18GHz
End Launch Connectors (Examples)
  • End Launch Male Receptacle Surface Mount, Full Detent: Freq. 0-18GHz
Vertical Launch Connectors (Examples)
  • Vertical Launch Connectors: Impedance 50 Ohms, VSWR 1.3 Max, Freq. DC - 40 GHz
Flange Mount Connectors (Examples)
  • 2-Hole Flange Mount Male Shroud - Without Contact, Full Detent
  • 2-Hole Flange Mount Male Field Replaceable, Full Detent: VSWR 1.15 typical, Freq. 0-18 GHz
0.047 Cable Connectors (Examples)
  • Straight Female Solder Style for 0.047 OD Semi-Rigid Cable
0.086 Cable Connectors (Examples)
  • Straight Female Solder Style for 0.086 OD Semi-Rigid Cable
Ganged Connectors (Examples)
  • Male, Full Detent, Vertical PCB Surface Mount: 4 Ports, VSWR 1.25 Max, Freq. 0 - 18 GHz
Ganged Edge Mount Connectors (Examples)
  • Male, Full Detent, PCB Edge Mount: 4 Ports, VSWR 1.5 Max, Freq. 0 - 40 GHz
Same Series Adapters (Examples)
  • Bullet Adapter Female to Female: VSWR 1.10 Max (0-18 GHz), 1.70 Max (26.5-40 GHz)
Between Series Adapters (Examples)
  • SMA Plug to SMP Plug: VSWR 1.20 max (0-20 GHz), 1.25 max (20-26.5 GHz)
Tools (Examples)
  • SMP bullet extraction tool
  • SMP cabled connector removal tool
  • Soldering vise components
  • Shroud centering tools
Assembly Instructions Detailed step-by-step instructions provided for various cable types (0.047 and 0.086 OD Semi-Rigid) and connector styles (Straight Female Solder Style, Right Angle Female Solder Style). Includes tool identification, cable preparation, soldering procedures, and interface alignment.
Competitor Cross Reference Cross-reference tables provided for various connector types against Tensolite, Corning Gilbert, Micro-Mode, SV Microwave, AEP, and Rosenberger part numbers.

About Cinch Connectivity Solutions: For over 100 years, Cinch Connectivity Solutions has manufactured high-quality and reliable high-performance connectors and cable assemblies. Cinch is recognized as a world-class connectivity supplier of RF, fiber optic, hybrid, microwave components, circular, d-subminiatures, modular rectangular, electronic enclosures and cable assemblies. Cinch provides innovative solutions to the military, commercial aerospace, networking, telecommunication, test and measurement, oil and gas and other harsh environment industries.


2411220435_Bel-Fuse-127-1901-822_C3340252.pdf

Related Products
Image Part # Description
quality Durable circuit protection device Bel Fuse 27-8250 designed for industrial electrical applications factory

Durable circuit protection device Bel Fuse 27-8250 designed for industrial electrical applications

Coaxial Connector (RF) Adapters RoHS
quality High Frequency Quick Connect Adapter Bel Fuse 142-1901-831 for Laboratory and R D Test Cable Applications factory

High Frequency Quick Connect Adapter Bel Fuse 142-1901-831 for Laboratory and R D Test Cable Applications

Coaxial Connector (RF) Adapters RoHS
quality High frequency RF coaxial connector Bel Fuse 134-1000-023 designed for data transmission applications factory

High frequency RF coaxial connector Bel Fuse 134-1000-023 designed for data transmission applications

Coaxial Connector (RF) Adapters RoHS
quality snap on coaxial connectors and cable assemblies Bel Fuse 134-1019-371 offering DC to 6 GHz performance factory

snap on coaxial connectors and cable assemblies Bel Fuse 134-1019-371 offering DC to 6 GHz performance

Coaxial Connector (RF) Adapters RoHS
quality fuse solution Bel Fuse 26-8009 designed to maintain electrical system integrity and prevent failures factory

fuse solution Bel Fuse 26-8009 designed to maintain electrical system integrity and prevent failures

Coaxial Connector (RF) Adapters RoHS
quality High reliability Bel Fuse 25-7140 component engineered for consistent circuit protection performance factory

High reliability Bel Fuse 25-7140 component engineered for consistent circuit protection performance

Coaxial Connector (RF) Adapters RoHS
quality Industrial grade Bel Fuse CPAD580 component ideal for safeguarding electronic circuits and equipment factory

Industrial grade Bel Fuse CPAD580 component ideal for safeguarding electronic circuits and equipment

Coaxial Connector (RF) Adapters RoHS
quality Industrial waterproof connectors Bel Fuse 134-1001-441 designed for harsh environment marine transportation and IoT cases factory

Industrial waterproof connectors Bel Fuse 134-1001-441 designed for harsh environment marine transportation and IoT cases

Connector 6GHz 50Ω Coaxial Connector (RF) Adapters RoHS
quality Nickel material component Bel Fuse TN2 ideal for specialized industrial and engineering applications factory

Nickel material component Bel Fuse TN2 ideal for specialized industrial and engineering applications

Connector 500MHz Coaxial Connector (RF) Adapters RoHS
quality Johnson 1.0mm Series Connector Bel Fuse 134-1000-016 designed for demanding RF applications operating beyond 110 GHz factory

Johnson 1.0mm Series Connector Bel Fuse 134-1000-016 designed for demanding RF applications operating beyond 110 GHz

Connector 50GHz 50Ω Coaxial Connector (RF) Adapters RoHS
Send RFQ
Stock:
MOQ: