Weidmüller 1785850000 Terminal Block - Equivalent & Substitute Parts

Part Overview

The Weidmüller 1785850000 is a 6-position wire-to-board terminal block with vertical mating orientation and 0.200" (5.08mm) pitch spacing. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance and new design implementations. The part operates at 10 A current capacity with 300 V voltage rating and accommodates wire gauges from 14-22 AWG through screw-clamp termination.

Key Parameters

Parameter	Value
Manufacturer Part Number	1785850000
Manufacturer	Weidmüller
Series	Omnimate TOP1.5GS
Product Status	Obsolete
Positions Per Level	6
Pitch	0.200" (5.08mm)
Mating Orientation	Vertical with Board
Current Rating	10 A
Voltage Rating	300 V
Wire Gauge	14-22 AWG
Mounting Type	Through Hole
Wire Termination	Screw - TOP Clamp
Operating Temperature	-20°C ~ 100°C
Housing Material	Polyamide (PA66), Nylon 6/6
Contact Material - Plating	Brass - Tin Plated
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 1785850000 is determined by the following critical parameters: number of positions (6), pitch spacing (0.200" / 5.08mm), through-hole mounting compatibility, voltage rating (300 V minimum), and wire gauge accommodation (14-22 AWG minimum). The substitute parts are grouped into two categories based on mating orientation and termination method compatibility:

Category 1 - Direct Functional Replacement (Recommended): Weidmüller 1331160000 maintains the same pitch, position count, and through-hole mounting while offering enhanced current capacity (20 A) and extended operating temperature range (-50°C ~ 120°C). This part uses screwless push-in spring termination rather than screw clamps.

Category 2 - Mechanical Orientation Variants: Parts 1776266-6 (TE Connectivity), ED500/6DS (On Shore Technology), and OSTTC060162 (On Shore Technology) feature horizontal mating orientation with 0.197" (5.00mm) pitch spacing. These parts maintain 6-position configuration, through-hole mounting, 300 V voltage rating, and 14-22 AWG wire gauge compatibility but require PCB layout modifications due to orientation and pitch differences.

Parameter Comparison

Parameter	1785850000 (Main)	1331160000 (MFR Recommended)	1776266-6 (TE Connectivity)	ED500/6DS (On Shore)	OSTTC060162 (On Shore)
Positions Per Level	6	6	6	6	6
Pitch	0.200" (5.08mm)	0.200" (5.08mm)	0.197" (5.00mm)	0.197" (5.00mm)	0.197" (5.00mm)
Mating Orientation	Vertical with Board	Vertical with Board	Horizontal with Board	Horizontal with Board	Horizontal with Board
Current Rating	10 A	20 A	10 A	15 A	15 A
Voltage Rating	300 V	300 V	300 V	300 V	300 V
Wire Gauge	14-22 AWG	12-24 AWG	14-22 AWG	14-22 AWG	14-22 AWG
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Wire Termination	Screw - TOP Clamp	Screwless - Leg Spring, Push-In Spring	Screw - Leaf Spring, Wire Guard	Screw - Leaf Spring, Wire Guard	Screw - Leaf Spring, Wire Guard
Operating Temperature	-20°C ~ 100°C	-50°C ~ 120°C	-55°C ~ 105°C	-30°C ~ 105°C	-30°C ~ 105°C
Housing Material	Polyamide (PA66), Nylon 6/6	Thermoplastic, Wemid	Polyamide (PA66), Nylon 6/6	Polyamide (PA), Nylon	Thermoplastic
Contact Material - Plating	Brass - Tin Plated	Copper Alloy - Tin Plated	Brass - Copper Tin Plated	Brass	Tin Plated
RoHS Status	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active

Engineering Selection Recommendations

For Direct Replacement (No PCB Redesign): The Weidmüller 1331160000 is the manufacturer-recommended substitute. It maintains identical pitch spacing (0.200" / 5.08mm) and vertical mating orientation, eliminating PCB layout modifications. The part is currently in active production status with RoHS compliance certification. Enhanced specifications include 20 A current capacity (versus 10 A) and extended operating temperature range (-50°C ~ 120°C versus -20°C ~ 100°C). The transition from screw-clamp to push-in spring termination requires assembly procedure changes but eliminates torque specification requirements.

For Applications Requiring Horizontal Orientation: Parts 1776266-6, ED500/6DS, and OSTTC060162 are suitable only when PCB layout permits horizontal wire entry. All three maintain 6-position configuration, 300 V voltage rating, and 14-22 AWG wire gauge compatibility. These parts are in active production with ROHS3 compliance. Selection among these three depends on current capacity requirements (10 A for 1776266-6; 15 A for ED500/6DS and OSTTC060162) and operating temperature range specifications.

Compliance Considerations: All substitute parts maintain RoHS compliance status. The 1331160000 carries RoHS Compliant designation; horizontal-entry alternatives carry ROHS3 Compliant designation. All parts are classified under HTSUS 8536.90.4000 and ECCN EAR99.

Frequently Asked Questions (FAQ)

Q: Can the 1331160000 be used as a direct replacement for the 1785850000 without PCB modifications? A: Yes. Both parts maintain 0.200" (5.08mm) pitch spacing and vertical mating orientation. PCB hole patterns are compatible. Assembly procedures differ due to push-in spring termination versus screw-clamp termination.

Q: What is the primary difference between the 1785850000 and horizontal-entry alternatives? A: Mating orientation and pitch spacing differ. The 1785850000 uses vertical orientation with 0.200" (5.08mm) pitch. Horizontal alternatives (1776266-6, ED500/6DS, OSTTC060162) use 0.197" (5.00mm) pitch and require PCB redesign for hole pattern accommodation.

Q: Are all substitute parts rated for 300 V operation? A: Yes. All listed substitute parts maintain 300 V voltage rating, matching the original 1785850000 specification.

Q: Which substitute part offers the highest current capacity? A: The Weidmüller 1331160000 provides 20 A current capacity, double the original 10 A rating. Horizontal-entry alternatives provide 10 A (1776266-6) or 15 A (ED500/6DS and OSTTC060162).

Q: Do all substitute parts support 14-22 AWG wire gauges? A: Yes. All substitute parts accommodate 14-22 AWG wire gauges. The 1331160000 extends this range to 12-24 AWG.

Q: What is the operating temperature range difference between the main part and substitutes? A: The 1785850000 operates from -20°C to 100°C. The 1331160000 extends this to -50°C to 120°C. Horizontal alternatives operate within -55°C to 105°C (1776266-6) or -30°C to 105°C (ED500/6DS and OSTTC060162).

Q: Are screw torque specifications available for all substitute parts? A: The 1331160000 uses push-in spring termination and does not require torque specification. Horizontal alternatives specify torque values: 0.51 Nm (1776266-6), 0.4 Nm (ED500/6DS), and 0.3 Nm (OSTTC060162).

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